Panasonic WH-ADC0309J3E5UK User manual

1
ENGLISH
SAFETY PRECAUTIONS
•
Read the following “SAFETY PRECAUTIONS” carefully before installation of Air-To-Water Hydromodule + Tank (here after referred to as “Tank Unit”).
•
Electrical works and water installation works must be done by licensed electrician and licensed water system installer respectively. Be sure to use
the correct rating and main circuit for the model to be installed.
•
The caution items stated here must be followed because these important contents are related to safety. The meaning of each indication used is as
below. Incorrect installation due to ignorance or negligence of the instructions will cause harm or damage, and the seriousness is classified by the
following indications.
•
Please leave this installation manual with the unit after installation.
WARNING
This indication shows the possibility of causing death or serious injury.
CAUTION
This indication shows the possibility of causing injury or damage to properties only.
The items to be followed are classified by the symbols:
Symbol with white background denotes item that is PROHIBITED.
Symbol with dark background denotes item that must be carried out.
•
Carry out test run to confirm that no abnormality occurs after the installation.Then, explain to user the operation, care and maintenance as stated in instructions.
Please remind the customer to keep the operating instructions for future reference.
•
If there is any doubt about the installation procedure or operation, always contact the authorized dealer for advice and information.
WARNING
Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer. Any unfit method or using incompatible material
may cause product damage, burst and serious injury.
Do not use unspecified cord, modified cord, joint cord or extension cord for power supply cord. Do not share the single outlet with other electrical appliances. Poor contact,
poor insulation or over current will cause electrical shock or fire.
Do not tie up the power supply cord into a bundle by band. Abnormal temperature rise on power supply cord may happen.
Keep plastic bag (packaging material) away from small children, it may cling to nose and mouth and prevent breathing.
Do not use pipe wrench to install refrigerant piping. It might deform the piping and cause the unit to malfunction.
Do not purchase unauthorized electrical parts for installation, service, maintenance and etc.. They might cause electrical shock or fire.
Do not pierce or burn as the appliance is pressurized. Do not expose the appliance to heat, flame, sparks, or other sources of ignition.
Else, it may explode and cause injury or death.
Installation Manual
AIR-TO-WATER HYDROMODULE + TANK
WH-ADC0309J3E5UK
CAUTION
R32
REFRIGERANT
This AIR-TO-WATER HYDROMODULE + TANK contains and
operates with refrigerant R32.
THIS PRODUCT MUST ONLY BE INSTALLED OR SERVICED
BY QUALIFIED PERSONNEL.
Refer to National, State, Territory and local legislation,
regulations, codes, installation & operation manuals, before
the installation, maintenance and/or service of this product.
Explanation of symbols displayed on the indoor unit or outdoor unit.
WARNING
This symbol shows that this equipment uses
a flammable refrigerant. If the refrigerant is
leaked, together with an external ignition
source, there is a possibility of ignition.
CAUTION This symbol shows that the Installation
Manual should be read carefully.
CAUTION This symbol shows that a service personnel
should be handling this equipment with
reference to the Installation Manual.
CAUTION This symbol shows that there is information
included in the Operation Manual and/or
Installation Manual.
Required tools for Installation Works
1 Philips screw driver
2 Level gauge
3 Electric drill, hole core drill
(ø70 mm)
4 Hexagonal wrench (4 mm)
5 Spanner
6 Pipe cutter
7 Reamer
8 Knife
9 Gas leak detector
10 Measuring tape
11 Thermometer
12 Megameter
13 Multimeter
14 Torque wrench
18 N•m (1.8 kgf•m)
55 N•m (5.5 kgf•m)
58.8 N•m (5.8 kgf•m)
65 N•m (6.5 kgf•m)
117.6 N•m (12.0 kgf•m)
15 Vacuum pump
16 Gauge manifold
ACXF60-37631-AB

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ENGLISH
Do not add or replace refrigerant other than specified type. It may cause product damage, burst and injury etc.
Do not place containers with liquids on top of the Tank Unit. It may cause Tank Unit damage and/or fire could occurs if they leak or spill onto the Tank Unit.
Do not use joint cable for Tank Unit / Outdoor Unit connection cable. Use specified Tank Unit / Outdoor Unit connection cable, refer to instruction
4CONNECT THE CABLE TO THE TANK UNIT and connect tightly for Tank Unit / Outdoor Unit connection. Clamp the cable so that no external force will be acted on
the terminal. If connection or fixing is not perfect, it will cause heat up or fire at the connection.
For electrical work, follow the national regulation, legislation and this installation instructions. An independent circuit and single outlet must be used. If electrical circuit
capacity is not enough or defect found in the electrical work, it will cause electrical shock or fire.
For water circuit installation work, follow to relevant European and national regulations (including EN61770) and local plumbing and building regulation codes.
Engage authorized dealer or specialist for installation. If installation done by the user is incorrect, it will cause water leakage, electrical shock or fire.
•
This is a R32 model, use piping, flare nut and tools which is specified for R32 refrigerant. Using of existing (R22) piping, flare nut and tools may cause abnormally high
pressure in the refrigerant cycle (piping), and possibly result in explosion and injury.
•
Thickness for copper pipes used with R32 must be more than 0.8 mm. Never use copper pipes thinner than 0.8 mm.
•
It is desirable that the amount of residual oil is less than 40 mg/10 m.
When installing or relocating Tank Unit, do not let any substance other than the specified refrigerant, eg. air etc. mix into refrigeration cycle (piping). Mixing of air etc. will
cause abnormal high pressure in refrigeration cycle and result in explosion, injury etc.
For refrigeration system work, install according to this installation instructions strictly. If installation is defective, it will cause water leakage, electrical shock or fire.
Install at a strong and firm location which is able to withstand weight of the set. If the strength is not enough or installation is not properly done, the set will drop and
cause injury.
This equipment is strongly recommended to be installed with Residual Current Device (RCD) on-site according to the respective national wiring rules or country–specific
safety measures in terms of residual current.
During installation, install the refrigerant piping properly before running the compressor. Operation of compressor without fixing refrigeration piping and valves at opened
position will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc.
During pump down operation, stop the compressor before removing the refrigeration piping. Removal of refrigeration piping while compressor is operating and valves are
opened will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc.
Tighten the flare nut with torque wrench according to specified method. If the flare nut is over tightened, after a long period, the flare may break and cause refrigerant
gas leakage.
After completion of installation, confirm there is no leakage of refrigerant gas. It may generate toxic gas when the refrigerant contacts with fire.
Ventilate if there is refrigerant gas leakage during operation. It may cause toxic gas when the refrigerant contacts with fire.
Use the attached accessories parts and specified parts for installation. Otherwise, it will cause the set to fall, water leakage, fire or electrical shock.
If there is any doubt about the installation procedure or operation, always contact the authorized dealer for advice and information.
Select a location where in case of water leakage, the leakage will not cause damage to other properties.
When installing electrical equipment at wooden building of metal lath or wire lath, in accordance with electrical facility standard, no electrical contact between equipment
and building is allowed. Insulator must be installed in between.
Any work carried out on the Tank Unit after removing any panels which is secured by screws, must be carried out under the supervision of authorized dealer and licensed
installation contractor.
This system is multi supply appliance. All circuits must be disconnected before accessing the unit terminals.
For cold water supply has a backflow regulator, check valve or water meter with check valve, provisions for thermal expansion of water in the hot water system must be
provided. Otherwise it will cause water leakage.
The piping installation work must be flushed before Tank Unit is connected to remove contaminants. Contaminants may damage the Tank Unit components.
This installation may be subjected to building regulation approval applicable to respective country that may require to notify the local authority before installation.
The Tank Unit must be shipped and stored in upright condition and dry environment. It may laid on its back when being moved into the building.
Work done to the Tank Unit after remove the front plate cover that secured by screws, must be carried out under the supervision of authorized dealer, licensed installation
contractor, skilled person and instructed person.
Be aware that refrigerants may not contain an odour.
This equipment must be properly earthed. Earth line must not be connected to gas pipe, water pipe, earth of lightning rod and telephone. Otherwise, it may cause electrical
shock in case of equipment breakdown or insulation breakdown.
CAUTION
Do not install the Tank Unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding of the unit, it may cause fire.
Prevent liquid or vapor from entering sumps or sewers since vapor is heavier than air and may form suffocating atmospheres.
Do not release refrigerant during piping work for installation, re-installation and during repairing a refrigeration parts. Take care of the liquid refrigerant, it may cause
frostbite.
Do not install this appliance in a laundry room or other high humidity location. This condition will cause rust and damage to the unit.
Make sure the insulation of power supply cord does not contact hot part (i.e. refrigerant piping, water piping) to prevent from insulation failure (melt).
Do not apply excessive force to water pipes that may damage the pipes. If water leakage occurs, it will cause flooding and damage to other properties.
Do not transport the Tank Unit with water inside the unit. It may cause damage to the unit.
Carry out drainage piping as mentioned in installation instructions. If drainage is not perfect, water may enter the room and damage the furniture.
Select an installation location which is easy for maintenance.
Incorrect installation, service or repair of this Tank Unit may increase the risk of rupture and this may result in loss damage or injury and/or property.
Power supply connection to Tank Unit.
•
Power supply point should be in easily accessible place for power disconnection in case of emergency.
•
Must follow local national wiring standard, regulation and this installation instruction.
•
Strongly recommended to make permanent connection to a circuit breaker.
- Power Supply 1: For WH-UD03JE5 and WH-UD05JE5, use approved 15/16A 2-poles circuit breaker with a minimum contact gap of 3.0mm.
For WH-UD07JE5 and WH-UD09JE5, use approved 25A 2-poles circuit breaker with a minimum contact gap of 3.0mm.
- Power Supply 2: Use approved 16A 2-poles circuit breaker with a minimum contact gap of 3.0mm.

3
ENGLISH
Ensure the correct polarity is maintained throughout all wiring. Otherwise, it will cause electrical shock or fire.
After installation, check the water leakage condition in connection area during test run. If leakage occurs, it will cause damage to other properties.
If the Tank Unit not operates for long time, the water inside the Tank Unit should be drained.
Installation work.
It may need three or more people to carry out the installation work. The weight of Tank Unit might cause injury if carried by one person.
PRECAUTION FOR USING R32 REFRIGERANT
• The basic installation work procedures are the same as conventional refrigerant (R410A, R22) models.
However, pay careful attention to the following points:
When connecting flare at indoor side, make sure that the flare connection is used only once, if torqued up and released, the flare must be remade. Once the flare connection
was torqued up correctly and leak test was made, thoroughly clean and dry the surface to remove oil, dirt and grease by following instructions of silicone sealant. Apply
neutral cure (Alkoxy type) & ammonia-free silicone sealant that is non-corrosive to copper & brass to the external of the flared connection to prevent the ingress of moisture
on both the gas & liquid sides. (Moisture may cause freezing and premature failure of the connection)
The appliance shall be stored, installed and operated in a well ventilated room with comply to Indoor Floor Area Requirement and without any continuously operating
ignition source. Keep away from open flames, any operating gas appliances or any operating electric heater. Else, it may explode and cause injury or death.
Refer to “PRECAUTION FOR USING R32 REFRIGERANT” in outdoor unit installation manual for other precautions that need to pay attention to.
INDOOR FLOOR AREA REQUIREMENT
• If the total refrigerant charge in the system is <1.84 kg, no additional minimum floor area is required.
• If the total refrigerant charge in the system is ≥1.84 kg, additional minimum floor area requirements is complied as described below:
Symbol Description Unit
mc Total refrigerant charge in system kg
mmax Maximum refrigerant charge allowed kg
mexcess mc- mmax kg
H Installation height m
VAmin Minimum ventilation opening area cm2
A) Determine Maximum refrigerant charge allowed,
mmax
1. Calculate Installation Room Area, Aroom .
2. Based on Table I, select
mmax which corresponds to the calculated Aroom value.
3. If
mmax > mc , the unit can be installed in the installation room with
the specified installation height ( H=600mm ) in Table I and without additional room area or any additional ventilation.
4. Else, proceed to B) and C).
B) Determine Total Floor Area of
Aroom and Broom compliance to Amin total
1. Calculate the Broom area adjacent to the Aroom .
2. Determine the
Amin total based on the Total Refrigerant Charge, mc from Table II.
3. The total floor area of both
Aroom and Broom must exceed Amin total .
C) Determine Minimum Venting Opening Area,
VAmin for natural ventilation
1. From Table III, calculate mexcess .
2. Then determine
VAmin corresponding to the calculated mexcess
for natural ventilation between Aroom and Broom .
3. The unit can be installed at specific room only when the following conditions are fulfilled:
• Two permanent openings, one at bottom, another at top, for ventilation purposes are made between
Aroom and Broom .
• Bottom opening: - Must comply to the minimum area requirement of
VAmin .
- Opening must be located 300mm from the floor.
- At least 50% of required opening area must be 200mm from the
floor.
- The bottom of the opening shall not be higher than the point of
release when the unit is installed and must be situated 100mm
above the floor.
- Must be as close as possible to the floor and lower than
H .
• Top opening: - The total size of the Top opening must be more than
50% of VAmin .
- Opening must be located 1500mm above the floor.
• The height of the openings must more than 20mm.
• A direct ventilation opening to outside is NOT encouraged for ventilation opening (the user can block the opening when it is cold).
• The value of
H is considered as 0.6m to comply to IEC 60335-2-40:2018 Clause GG2.
Total refrigerant charge in system, mc (kg)
= Pre-charged refrigerant amount in unit (kg)
+ Additional refrigerant amount after installation (kg)
Adjacent
Room
( Broom)
Installation
Room
( Aroom)
>0.5 VAmin
> VAmin
>1500mm

4
ENGLISH
Table I – Maximum refrigerant charge allowed in a room
Aroom (m2)
Maximum refrigerant charge in a room
(
mmax ) (kg)
H =0.6m
1 0.138
2 0.276
3 0.414
4 0.553
5 0.691
6 0.829
7 0.907
8 0.970
9 1.028
10 1.084
11 1.137
12 1.187
13 1.236
14 1.283
15 1.328
16 1.371
17 1.413
18 1.454
19 1.494
20 1.533
21 1.571
22 1.608
23 1.644
24 1.679
25 1.714
26 1.748
27 1.781
28 1.814
29 1.846
30 1.877
31 1.909
32 1.939
33 1.969
34 1.999
35 2.028
36 2.057
37 2.085
38 2.113
39 2.141
40 2.168
41 2.195
42 2.221
43 2.248
44 2.274
• For
H values lower than 0.6m, the value of H is considered as 0.6m
to comply to IEC 60335-2-40:2018 Clause GG2.
• For intermediate
Aroom values, the value that corresponds to the
lower
Aroom value from the table is considered.
Example:
For
Aroom = 10.5 m2, the value that corresponds to
“ Aroom = 10 m2” is considered.
Table II – Minimum floor area
mc (kg)
Minimum floor area
(
Amin total (m2))
H =0.6m
1.84 28.81
1.86 29.44
1.88 30.08
1.90 30.72
1.92 31.37
1.94 32.03
1.96 32.70
1.98 33.37
2.00 34.04
2.02 34.73
2.04 35.42
2.06 36.12
2.08 36.82
2.10 37.53
2.12 38.25
2.14 38.98
2.16 39.71
2.18 40.45
2.20 41.19
2.22 41.94
2.24 42.70
2.26 43.47
2.27 43.86
•
For H values lower than 0.6m, the value of H is considered as 0.6m to
comply to IEC 60335-2-40:2018 Clause GG2.
•
For intermediate mc values, the value that corresponds to the higher
mc value from the table is considered.
Example:
If
mc = 1.85 kg, the value that corresponds to “ mc = 1.86 kg” is considered.
•
Systems with total refrigerant charge lower than 1.84 kgare not
subjected to any room area requirements.
•
Charges above 2.27 kgare not allowed in the unit.
Table III – Minimum venting opening area for natural ventilation
mc
(kg)
mmax
(kg)
mexcess (kg) =
mc- mmax
Minimum venting
opening area
( VAmin ) (cm2)
H =0.6m
2.27 0.1 2.17 878
2.27 0.3 1.97 797
2.27 0.5 1.77 716
2.27 0.7 1.57 635
2.27 0.9 1.37 570
2.27 1.1 1.17 538
2.27 1.3 0.97 485
2.27 1.5 0.77 414
2.27 1.7 0.57 326
2.27 1.9 0.37 224
•
For H values lower than 0.6m, the value of H is considered as 0.6m to
comply to IEC 60335-2-40:2018 Clause GG2.
•
For intermediate mexcess values, the value that corresponds to the higher
mexcess value from the table is considered.
Example:
mexcess = 1.45 kg, the value that corresponds to “ mexcess = 1.6 kg” is considered.

5
ENGLISH
Attached accessories
No. Accessory part Qty. No. Accessory part Qty.
1
Adjustable Feet
44
Packing
1
2Reducing Adapter 1
5
Remote Controller
Cover
1
3
Drain Elbow
1
Optional Accessories
No. Accessories part Qty.
6Optional PCB (CZ-NS4P) 1
7Network Adaptor (CZ-TAW1) and
Extension Cable (CZ-TAW1-CBL) 1
Tube Connector Function Connector Size
a
Water Inlet (From Space Heating/Cooling) R 1¼"
bWater Outlet (To Space Heating/Cooling) R 1¼"
cCold Water Inlet (Domestic Hot Water Tank) R ¾"
dHot Water Outlet (Domestic Hot Water Tank) R ¾"
eRefrigerant Gas 7/8-14UNF
fRefrigerant Liquid 7/16-20UNF
gDomestic Hot Water Tank Discharge (Drain Tap)
Type: Ball Valve Rc 1/2"
hPressure Relief Valve Drainage ---
iDrain Water Hole ---
Tube Position Diagram
a b
d
c
g
h
1775
e f
153
262
370
450
412
427
29
612
668
675
i
Main Components Diagram
c
0
8
e
g
f
k
j
i
a
9
7
l
h
2
b
1
d
3
4
5-1
6
5-2
Dimension Diagram
Field Supply Accessories (Optional)
No. Part Model Specifications Maker
i2-way valve kit
*Cooling model
Electromotoric Actuator SFA21/18 AC230V Siemens
2-port Valve VVI46/25 Siemens
ii Room thermostat Wired PAW-A2W-RTWIRED AC230V –
Wireless PAW-A2W-RTWIRELESS
iii Mixing valve – 167032 AC230V Caleffi
iv Pump – Yonos 25/6 AC230V Wilo
v Buffer tank sensor – PAW-A2W-TSBU – –
vi Outdoor sensor – PAW-A2W-TSOD – –
vii Zone water sensor – PAW-A2W-TSHC – –
viii Zone room sensor – PAW-A2W-TSRT – –
ix Solar sensor – PAW-A2W-TSSO – –
 It is recommended to purchase the field supply accessories listed in above table.
598
1800
234
230
74 544 102
51 496 51
167
Adjustable
Feet [1]
position
FRONT VIEW SIDE VIEW
BOTTOM VIEW TOP VIEW
Part Name Part No.
1Remote Controller
2Water Pump
3Control Board Cover
4Main PCB
5-1
Single Phase RCCB/ELCB
(Main Power)
5-2
Single Phase RCCB/ELCB
(Backup Heater)
6Magnetic Water Filter Set
7Heater Assembly ACXA34K00460 /
ACXA34K00480
83-Way Valve
9Overload Protector (Not Visible) A151074
0Expansion Vessel B141073 /
B141039 /
ACXB14-00610
aAir Purge Valve ACXB62-00130
bPressure Relief Valve B621136 /
ACXB62-00100 /
ACXB62-00740
cFlow Sensor
dWater Pressure Gauge
eFront Plate
fTop Plate
gRight Plate
hLeft Plate
iRear Plate
jTemperature and Pressure Relief Valve B621135
kAccess Plate (Not Visible)
lTank Sensor (Not Visible) ACXA50C14750
Checklist of Components
717
141
204
269
1332
295
Temperature
and Pressure
Relief Valve

6
ENGLISH
SELECT THE BEST LOCATION
1
Before choosing the installation site, obtain user approval.
Install the Tank Unit in indoors with frost free weather proof
location only.
Must install on a flat horizontal and solid hard surface.
There should not be any heat source or steam near the Tank Unit.
A place where air circulation in the room is good.
A place where drainage can be easily done
(e.g. Utility room).
A place where Tank Unit’s operation noise will not cause discomfort
to the user.
A place where Tank Unit is far from door way.
A place where accessible for maintenance.
Ensure to keep minimum distance of spaces as illustrated below
from wall, ceiling, or other obstacles.
A place where flammable gas leaking might not occur.
Secure the Tank Unit to prevent it being knocked over accidentally
or during earthquakes.
Please avoid installations which expose the Tank Unit to any of the
following conditions:
Extraordinary environment conditions; installation in frost or
exposure to unfavorable weather conditions.
Voltage input exceeding the specified voltage.
Required space for installation
(Unit : mm)
Min.
100
Min.
700
Min. 350
Min.
100
Min.
100
Transport and Handling
• Be careful during transportating the unit so that it is not damaged
by impact.
• Only remove the packaging material once it
has reached it is desired installation location.
• It may need three or more people to carry
out the installation work. The weight of Tank
Unit might cause injury if carried by
one person.
• The Tank Unit can be transported
either in vertical or horizontal.
-If it transported in horizontal, make
sure Front of packaging material
(printed with “FRONT”) must facing
upwards.
-If it transported in vertical, use the hand holes on sides, slide
and move to the desired location.
• Fix the Adjustable Feet 1, if the Tank unit installed on a uneven
surface.
Hold
Hold
Hold arrow section
to slide and move
TO DRILL A HOLE IN THE WALL
AND INSTALL A SLEEVE OF
PIPING
2
1. Make a Ø70 mm through hole.
2. Insert the piping sleeve to the hole.
3. Fix the bushing to the sleeve.
4. Cut the sleeve until it extrudes about 15 mm from the wall.
CAUTION
When the wall is hollow, please be sure to use the sleeve for
tube assembly to prevent dangers caused by mice biting the
connection cable.
5. Finish by sealing the sleeve with putty or caulking compound at
the final stage.
15 mm
Putty or caulking compound
ø70 mm through hole
Indoor Outdoor
Sleeve for tube
assembly
Approx. 5 - 7 mm
Bushing for tube assemblys
Wall
PIPING INSTALLATION
3
WATER QUALITY
REQUIREMENT
Must use water that complies with European water quality standard
98/83 EC. The lifespan of the Tank Unit will be shorter if groundwater
(include spring water and well water) is used.
The Tank Unit shall not be used with the tap water containing
contaminants such as salt, acid, and other impurities which may
corrode the tank and its component.
Typical Piping Installation
Main
Water
Supply
Faucet
Fan Coil Unit
2-Way Valve
Tab /
Shower
Air-to-Water Heatpump
Outdoor Unit
Pressure
Relief
Valve
Drainage
Expansion
Vessel
Radiator /
Floor Heater
Tank Water
Discharge
Tundish
Pressure
Reducing
Valve
Shut
Off
Valve
Check
Valve
Drain
Water
T&P Valve Drainage
Tundish

7
ENGLISH
Access to Internal Components
WARNING
This section is for authorized and licensed electrician/water system
installer only. Work behind the front plate secured by screws
must only be carried out under supervision of qualified contractor,
installation engineer or service person.
CAUTION
Open or close the Front Plate carefully.
The heavy Bottom Front Plate may injures
the fingers.
Hook
2X (screw)
Open and Close Front Plate e
1. Remove the 2 mounting screws of Bottom Front Plate e.
2. Slide it upwards to unhook the Bottom Front Plate ehook.
3. Reverse above steps 1~2 for close it.
Refrigerant Piping Installation
This Tank Unit is designed for combination with Panasonic
Air-to-Water Heat Pump Outdoor Unit. If Outdoor Unit from
other manufacturer are being used in combination with
Panasonic Tank Unit, optimum operation and reliability of
the system is not guaranteed. Thus warranty cannot be
given in such case.
Spanner
Torque
wrench
1. Connect Tank Unit to Air-to-Water Heatpump Outdoor
Unit with correct piping size. Use Reducing Adapter
2for Outdoor Unit WH-UD03JE5 and WH-UD05JE5
Refrigerant Gas kpiping connection.
Model Piping size (Torque) Use Reducing
Adapter 2
Tank Unit Outdoor Unit Gas Liquid
WH-ADC0309J3E5UK
WH-UD03JE5,
WH-UD05JE5
ø12.7mm (1/2")
[55 N•m]
ø6.35mm (1/4")
[18 N•m] Yes
WH-UD07JE5,
WH-UD09JE5
ø15.88mm (5/8")
[65 N•m]
ø6.35mm (1/4")
[18 N•m] No
CAUTION
Do not overtighten, overtightening may cause gas leakage.
Do not pull and push refrigerant piping excessively. Deformed
pipe may cause refrigerant leak.
2. Please make flare after inserting flare nut (located at joint portion of
tube assembly) onto the copper pipe. (In case of using long piping)
3. Do not use pipe wrench to open refrigerant piping. Flare nut may
be broken and cause leakage. Use proper spanner or ring wrench.
4. Connect the piping:
• Align the centre of piping and sufficiently tighten the flare nut
with fingers.
• Further tighten the flare nut with torque wrench in specified
torque as stated in the table.
Additional Precautions For R32 Models when connecting by flaring
at indoor side
Ensure to do the re-flaring of pipes before connecting to units
to avoid leaking.
Connections made between components of refrigerant
system shall be accessible for ease of maintenance.
Seal sufficiently the flare nut (both gas and liquid sides) with neutral
cure (Alkoxy type) & ammonia-free silicone sealant and insulation
material to avoid the gas leak caused by freezing.
Apply neutral cure
(Alkoxy type) and
ammonia-free silicone
sealant along the
circumference
Neutral cure (Alkoxy type) & ammonia-free silicone sealant is only to be
applied after pressure testing and cleaning up by following instructions
of sealant, only to the outside of the connection. The aim is to prevent
moisture from entering the connection joint and possible occurrence
of freezing. Curing sealant will take some time. Make sure sealant will
not peel off when wrapping the insulation.
Checking for gas leakage
• Check for leakage of gas after air purging.
• See the in the installation manual for the outdoor.
CUTTING AND FLARING
THE PIPING
1. Please cut using pipe cutter and then remove the burrs.
2. Remove the burrs by using reamer. If burrs is not removed, gas
leakage may be caused. Turn the piping end down to avoid the
metal powder entering the pipe.
3. Please make flare after inserting the flare nut onto the copper pipes.
1. To cut 2. To remove burrs 3. To flare
Bar
Red arrow mark
Handle
Core
Yoke
Clamp handle
Bar 0 – 0.5 mm
Copper
pipe
Reamer
Point down
Pipe
When properly flared, the internal surface
of the flare will evenly shine and be of even
thickness. Since the flare part comes into
contact with the connections, carefully check
the flare finish.
Improper flaring 
Inclined Surface
damaged
Cracked Uneven
thickness
Water Piping Installation
•
Please engage a licensed water circuit installer to install this water circuit.
•
This water circuit must comply with relevant European and national
regulations (including EN61770), and local building regulation codes.
•
Ensure the components installed in the water circuit could withstand water
pressure during operation.
•
Do not use worn out tube.
•
Do not apply excessive force to pipes that may damage the pipes.
•
Choose proper sealer which can withstand the pressures and temperatures
of the system.
•
Make sure to use two spanners to tighten the connection. Further tighten
the nuts with torque wrench in specified torque as stated in the table.
•
Cover the pipe end to prevent dirt and dust when inserting it through a wall.
•
Choose proper sealer which can withstand the pressures and temperatures
of the system.
•
If non-brass metallic piping is used for installation, make sure to insulate
the pipes to prevent galvanic corrosion.
•
Do not connect galvanised pipes, this will cause galvanic corrosion.
•
Use correct nut for all Tank Unit tube connections and clean all tubes
with tap water before installation. See Tube Position Diagram for detail.
Tube Connector Nut Size Torque
g& hRP 1¼" 117.6 N•m
i& jRP ¾" 58.8 N•m
Torque wrench
Tank Unit
Spanner

8
ENGLISH
CAUTION
Do not overtighten, overtightening may cause water leakage.
• Make sure to insulate the water circuit pipes to prevent reduction
of heating capacity.
• After installation, check the water leakage condition in connection
area during test run.
• Failure to connect the tube appropriately might cause the Tank
Unit malfunction.
• Protection From Frost:
If the Tank Unit is being exposed to frost while power supply
failure or pump operating failure, drain the system. When water is
idle inside the system, freezing up is very likely to happen which
could damage the system. Make sure the power supply is turned
off before draining. Heater Assembly 7may be damaged under
dry heating.
• Corrosion Resistance:
Duplex stainless steel is naturally corrosion resistant to mains
water supply. No specific maintenance is required to maintain
this resistance. However, please note that Tank Unit is not
guaranteed for use with a private water supply.
• It is recommended to use a tray (field supply) to collect water
from the Tank Unit if water leakage occur.
(A) Space Heating/Cooling Pipework
•
Connect Tank Unit Tube Connector gto outlet connector of Panel/
Floor heater.
•
Connect Tank Unit Tube Connector hto inlet connector of Panel/
Floor heater.
• Failure to connect the tube appropriately might cause the Tank
Unit malfunction.
• Refer below table for the rated flow rate of each particular
Outdoor Unit.
Model Rated Flow Rate (l/min)
Tank Unit Outdoor Unit Cool Heat
WH-ADC0309J3E5UK
WH-UD03JE5 9.2 9.2
WH-UD05JE5 12.9 14.3
WH-UD07JE5 17.6 20.1
WH-UD09JE5 20.1 25.8
(B) Domestic Hot Water Tank Pipework
• It’s strongly recommended to install an expansion vessel (field
supply) in the Domestic Hot Water Tank circuit. Refer Typical Piping
Installation section to locate the expansion vessel.
 Expansion Vessel type and specifications:
- Size : Not more than 3/4"
- Pre-charge pressure : 0.35MPa (3.5 bars)
• If secondary return circuits are used then an additional expansion
vessel may be required.
• In high water pressure or water supply is above 500kPa, please
install the Pressure Reducing Valve for water supply. If the pressure
higher than that, it might damage the Tank Unit.
• A Pressure Reducing Valve (field supply) and Pressure Relief Valve
(field supply) with below specification must be installed along the
line of the tube connector iof Tank Unit. Refer Typical Piping
Installation section to locate both of these valves.
 Pressure Reducing Valve type and specifications:
-Size : Not more than 3/4"
-Set Pressure : 0.35MPa (3.5 bars)
 Pressure Relief Valve type and specifications:
-Size : Not more than 3/4"
-Set Pressure : 0.8MPa (8.0 bars)
• The pressure after pressure reducing valve is less than 0.35MPa
(3.5 bars).
• Must connect a faucet to Tank Unit Tube Connector jand urban
water supply, in order to supply water with appropriate temperature
for shower or tap usage. Failure to do so might cause scalding.
• Failure to connect the tube appropriately might causing the Tank
Unit malfunction.
(C) Pressure Relief Valve Drainage Pipework
• Connect a drain hose to the Pressure Relief Valve hose outlet h.
• The hose must be installed in a continuously downward direction
and left open to the frost-free atmosphere.
• If drain hose is long, use a metal support fixture along the way to
eliminate the wavy pattern of drain tube.
• The water may drip from this
discharge hose. Therefore must
guide the hose without close or block
the outlet of the hose.
• Do not insert this hose into sewage
hose or cleaning hose that may
generate ammonia gas, sulphuric
gas etc.
• If necessary, use a hose clamp
to tighten the hose at drain hose
connector to prevent it from leaking.
• Guide the drain hose to outdoor as
illustrated at the right figure.
(D) Domestic Hot Water Tank Discharge Pipework
• Use R½" male connector for Domestic Hot Water Tank Discharge
(Drain Tap) gconnection.
• Piping must to be installed in a continuously downward direction
and in a frost-free environment.
• Discharge pipes must be visible and away from electrical
components.
• Guide the drain hose to outdoor as illustrated at the right figure.
• It is recommended to fit a tundish into this gpipework. Tundish
should be visible and positioned away from frost environment and
electrical components.
(E) Drain Elbow and Hose Installation
• Fix the Drain Elbow 3and Packing 4to the bottom of Drain
Water Hole i.
• Use inner diameter 17 mm drain hose in the market.
• This hose must to be installed in a continuously downward
direction and in a frost-free environment. Improper drain piping
may cause water leakage hence damage the furnitures.
• Guides this hose outlet to outdoor only.
• Do not insert this hose into sewage or drain pipe that may
generate ammonia gas, sulphuric gas, etc.
• If necessary, use hose clamp to further tighten the hose at drain
hose connector to prevent leakage.
• Water will drip from this hose, therefore the outlet of this hose must
be installed in an area where the outlet cannot become blocked.
Packing 4
Drain Elbow 3
(F) Temperature and Pressure Relief Valve j
The Temperature and Pressure Relief Valve j need appropriate
discharge pipework. In accordance with Building Regulations a tundish
must be fitted into the pipework within 600mm of the safety device. Due
to the distance between the two safety devices it may be necessary
to fit each safety device with its own tundish before run the pipework
together to a safety discharge. The Right Plate g has a window so
that the connection can be made to the factory fitted Temperature and
Pressure Relief Valve j. For access, first remove the 4 screws on
the Access Plate k. Then connect the Temperature and Pressure
Relief Valve j to the discharge pipework (15mm). Finally, reinstall
the Access Plate k. Always replace the plate so that no gaps exist
between the plate and Right Plate g to avoid heat loss. The following
instructions are a requirement of UK Building Regulations and must
be adhere to. For the other countries please refer to local legislation.
If there is any doubt the insulation procedure, always contact local
building office.
Discharge below
fixed grating
Fixed grating
Trapped gulley
Possible wall
Illustration of guide drain
hose to outdoor

9
ENGLISH
Cold water supply Pressure reducing valve
(field supply)
Safety valve
Inlet pipe
Expansion vessel
(field supply)
Tee Joint
(field supply)
Drain valve
(field supply)
Tee Joint
(field supply)
>300mm
<600mm
<600mm
Tundish
(field supply)
1. Connect the tundish and route the discharge pipe as shown
above. Tundish should be visible and positioned away from frost
environment and electrical components.
2. The tundish should be fitted vertically and as close to the safety
device as possible and within 600mm of the device.
3. The tundish should be visible to users and positioned away from
electrical devices.
4. The discharge pipe from the tundish should be terminate in a safe
place where there is no risk to person nearby to the discharge, be
of metal construction and:
A) Be at least one pipe size larger than the nominal outlet size of
the safety device unless its total equivalent hydraulic resistance
exceeds that of a straight pipe 9m long. Bends must be taken
into account in calculating the flow resistance.
B) Have a vertical section of pipe at least 300mm long, below the
tundish before any elbows or bends in the pipework.
C) Be installed with a continuous fall.
D) Have discharges visible at both the tundish and final point of
discharge.
CONNECT THE CABLE TO THE
TANK UNIT
4
WARNING
This section is for authorized and licensed electrician only. Work
behind the Control Board Cover 3secured by screws must only
be carried out under supervision of qualified contractor, installation
engineer or service person.
Fixing of Power Supply Cable and Connecting Cable
1. Connecting cable between Tank Unit and Outdoor Unit shall be
approved polychloroprene sheathed flexible cord, type designation
60245IEC 57orheavier cord.Seebelowtablefor cablesizerequirement.
Model Connecting
Cable Size
Tank Unit Outdoor Unit
WH-ADC0309J3E5UK WH-UD03JE5, WH-UD05JE5 4 x min 1.5 mm
2
WH-UD07JE5, WH-UD09JE5 4 x min 2.5 mm
2
• Ensure the colour of wires of Outdoor Unit and the terminal no.
are the same to the Tank Unit respectively.
• Earth wire shall be longer than the other wires as shown in the
figure for the electrical safety in case of the slipping out of the
cord from the Holder (Clamper).
2. An isolating device must be connected to the power supply cable.
• Isolating device (disconnecting means) should have minimum
3.0 mm contact gap.
• Connect the approved polychloroprene sheathed power supply
1 cord and power supply 2 cord and type designation 60245
IEC 57 or heavier cord to the terminal board, and to the other
end of the cord to isolating device (Disconnecting means).
See below table for cable size requirement.
Model Power
Supply
Cord
Cable Size Isolating
Devices
Recommended
RCD
Tank Unit Outdoor Unit
WH-ADC0309J3E5UK
WH-UD03JE5,
WH-UD05JE5
1 3 x min 1.5 mm
2
15/16A 30mA, 2P, type A
2 3 x min 1.5 mm
2
15/16A 30mA, 2P, type AC
WH-UD07JE5,
WH-UD09JE5
1 3 x min 2.5 mm
2
25A 30mA, 2P, type A
2 3 x min 1.5 mm
2
15/16A 30mA, 2P, type AC
3. To avoid the cable and cord being damaged by sharp edges, the cable
and cord must be passed through a bushing (located at the bottom
of Control Board) before terminal board. The bushing must be used
and must not be removed.
Terminals on the Outdoor Unit 123
Colour of wires (Connecting cables)
Terminals on the Tank unit LN L1N1123
(Power Supply Cord)
Terminals on the isolating devices
from power supply (Disconnecting
means)
LN L1N1
Tank Unit/
Outdoor Unit
connection
Power Supply 1 Power Supply 2
Power Supply Cable
Holder (Clamper)
Terminal Board
RCCB/ELCB
*1
Connecting Cable
Terminal screw Tightening torque cN•m {kgf•cm}
M4 157~196 {16~20}
M5 196~245 {20~25}
*1 - Earth wire must be longer than other cables for safety reasons
WIRE STRIPPING AND CONNECTING REQUIREMENT
5mm or more
(gap between wires)
Indoor/outdoor
connecting
terminal board
Wire stripping
No loose strand
when insert
10 ± 1mm
ACCEPT PROHIBITED
Conductor
over insert
Conductor not
fully insert
Conductor
fully insert
PROHIBITED
CONNECTING REQUIREMENT
For Tank Unit with WH-UD03JE5, WH-UD05JE5, WH-UD07JE5,
WH-UD09JE5
• The equipment’s Power Supply 1 complies with IEC/EN 61000-3-2.
• The equipment’s Power Supply 1 complies with IEC/EN 61000-3-3
and can be connected to current supply network.
• The equipment’s Power Supply 2 complies with IEC/EN 61000-3-2.
• The equipment’s Power Supply 2 complies with IEC/EN 61000-
3-11 and shall be connected to suitable supply network, with the
following maximum permissible system impedance Zmax = 0.352
ohm () at the interface. Please liaise with supply authority to
ensure that the Power Supply 2 is connected only to a supply of
that impedance or less.

10
ENGLISH
CHARGING AND DISCHARGING
THE WATER
5
• Make sure all the piping installations are properly done before
carry out below steps.
CHARGE THE WATER
For Domestic Hot Water Tank
1. Set the Domestic Hot Water Tank Discharge (Drain Tap) gto
“CLOSE”.
“CLOSE” “OPEN”
Domestic Hot Water Tank Discharge (Drain Tap) g
2. Set all Tap / Shower “OPEN”.
3. Start filling water to the Domestic Hot Water Tank via Tube
Connector i.
After 20~40min, water should flow out from Tap / Shower.
Else, please contact your local authorized dealer.
4. Check and make sure no water leaking at the tube connecting
points.
For Space Heating / Cooling
1. Turn the plug on the Air Purge Valve aoutlet anticlockwise by
one complete turn from fully closed position.
Air purge valve a
Plug (turn
anticlockwise by
one complete turn)
2. Set the Pressure Relief Valve blever “DOWN”.
Pressure relief valve b
Pressure relief valve b
Lever
Turn down
or
Pressure relief valve b
Lever
Turn down
Pressure relief valve b
3. Start filling water (with pressure more than 0.1 MPa (1 bar)) to the
Space Heating / Cooling circuit via Tube Connector g. Stop filling
water if the free water flow through Pressure Relief Valve Drainage
h
.
4. Turn ON the Tank Unit and make sure Water Pump 2is running.
5. Check and make sure no water leaking at the tube connecting points.
DISCHARGE THE WATER
For Domestic Hot Water Tank
1. Turn OFF power supply.
2. Set the Domestic Hot Water Tank Discharge (Drain Tap)
g
to “OPEN”.
3. Open Tap / Shower to allow air inlet.
4. After discharge, set Domestic Hot Water Tank Discharge (Drain
Tap)
g
to “CLOSE”.
RECONFIRMATION
6
WARNING
Be sure to switch off all power supply before performing each of
the below checkings.
CHECK WATER PRESSURE *(0.1 MPa = 1 bar)
Water pressure should not lower than 0.05 MPa (with inspects the
Water Pressure Gauge d). If necessary add water into Tank Unit
(via Tube Connector g).
CHECK PRESSURE RELIEF VALVE b
• Check for correct operation of Pressure Relief Valve bby turning
on the lever to become horizontal.
• If you do not hear a clacking sound (due to water drainage), contact
your local authorized dealer.
• Push down the lever after finish checking.
• In case the water keep on draining out from the Tank Unit, switch off
the system, and then contact your local authorized dealer.
EXPANSION VESSEL 0PRE PRESSURE CHECKING
For Space Heating / Cooling
• Expansion Vessel 0with 10 L air capacity and initial pressure of
1 bar is installed in this Tank Unit.
• Total amount of water in system should be below 200 L.
(Inner volume of Tank Unit’s piping is about 5 L)
• If total amount of water is over 200 L, please add another expansion
vessel. (field supply)
• Please keep the installation height difference of system water
circuit within 10 m.
CHECK RCCB/ELCB
Ensure the RCCB/ELCB set to “ON” condition before check RCCB/ELCB.
Turn on the power supply to the Tank Unit.
This testing could only be done when power is supplied to the Tank Unit.
WARNING
Be careful not to touch parts other than RCCB/ELCB test button when
the power is supplied to Tank Unit. Else, electrical shock may happen.
• Push the “TEST” button on the RCCB/ELCB. The lever would turn
down and indicate “0”, if it functions normal.
• Contact authorized dealer if the RCCB/ELCB malfunction.
• Turn off the power supply to the Tank Unit.
• If RCCB/ELCB functions normal, set the lever to “ON” again after
testing finish.
INSTALLATION OF REMOTE
CONTROLLER AS ROOM
THERMOSTAT
7
• Remote Controller 1mounted to the Tank Unit can be moved to
the room and serve as Room Thermostat.
Installation Location
• Install at the height of 1 to 1.5 m from the floor (Location where
average room temperature can be detected).
• Install vertically against the wall.
• Avoid the following locations for installation.
1. By the window, etc. exposed to direct sunlight or direct air.
2. In the shadow or backside of objects deviated from the room
airflow.
3. Location where condensation occurs (The Remote Controller
is not moisture proof or drip proof.)
4. Location near heat source.
5. Uneven surface.
• Keep distance of 1 m or more from the TV, radio and PC. (Cause
of fuzzy image or noise)
Remote Controller Wiring
1
2
Terminal for Remote Controller wiring
Remote Controller
Tank Unit
Remote Controller wiring
(field supply)
•
No polarity

11
ENGLISH
• Remote Controller cable shall be (2 x min 0.3 mm²), of double
insulation PVC-sheathed or rubber sheathed cable. Total cable
length shall be 50 m or less.
• Be careful not to connect cables to other terminals of Tank Unit (e.g.
power source wiring terminal). Malfunction may occur.
• Do not bundle together with the power source wiring or store in the
same metal tube. Operation error may occur.
Remove The Remote Controller From Tank Unit
1. Remove the top case from the bottom case.
Bottom case
Flat-blade
screwdriver
Insert the
driver and
slightly turn.
2. Remove the wiring between Remote controller and Tank Unit
terminal.
Disconnect the
Remote controller
wiring
Claw
(2 places)
Mounting The Remote Controller
For exposed type
Preparation: Make 2 holes for screws using a driver.
UP
Cut here with
a nipper and
remove the burr
with a file.
Mount the top case.
•
Align the claws of the top
case and then align the claws
of the bottom case.
Hole for screw
Screw
(field supply)
Claw (2 places)
Pass through
the hole
Bottom case
(Back side)
Top case
(Back side)
Remote controller terminal board
Remove the coating. Approx. 6 mm
Remove the sheath. Approx. 180 mm.
Make sure the wiring connection is in
the correct direction.
Clamper
(field supply)
Claw (2 places)
Wall to which
the remote
controller is
fixed
Mount the bottom case to
the wall.
Connect the remote control
wiring
•
Arrange the wires along the groove
of the case.
For embedded type
Preparation: Make 2 holes for screws using a driver.
UP
Avoid the wire
being caught.
Mount the top case.
•
Align the claws of the top
case and then align the claws
of the bottom case.
Hole for
screw
Screw
(field supply)
Claw (2 places)
Bottom case
(Back side)
Top case
(Back side)
Remote controller
terminal board
Remove the coating.
Approx. 6 mm
Make sure the wiring
connection is in the correct
direction.
Claw (2 places)
Mount the bottom case
to the wall.
•
Pass the wire through the hole
in the centre of the bottom case.
Connect the remote
control wiring
Replace The Remote Controller Cover
• Replace the existing Remote controller cover with Remote controller
cover 5to close the hole left after remove the Remote controller.
1. Release the Remote controller cover’s hooks from behind the
Front Plate e.
Front Plate e
Hook (6 places)
Existing Remote
controller cover
2. Press from front to fix the Remote controller cover 5on the front
plate.
Front Plate e
Hook (6 places)
Remote
controller
cover 5

12
ENGLISH
TEST RUN
8
1. Before test run, make sure below items have been checked:-
a) Pipework are properly done.
b) Electric cable connecting work are properly done.
c) Tank Unit is filled up with water and trapped air is released.
d) Please turn on the power supply after filling the tank until full.
2. Switch ON the power supply of the Tank Unit. Set the Tank
Unit RCCB /ELCB to “ON” condition. Then, please refer to the
Operation Instruction for operation of Remote Controller 1.
3. For normal operation, Water Pressure Gauge dreading should
be in between 0.05 MPa and 0.3 MPa. If necessary, adjust the
Water Pump 2SPEED accordingly to obtain normal water
pressure operating range. If adjust Water Pump 2SPEED
cannot solve the problem, contact your local authorized dealer.
4. After test run, please clean the Magnetic Water Filter Set 6.
Reinstall it after finish cleaning.
CHECK WATER FLOW OF WATER CIRCUIT
Confirm the maximum water flow during main pump operation not
less than 15 l/min.
*Water flow can be check through service setup (Pump Max Speed)
[Heating operation at low water temperature with lower water flow
may trigger “H75” during defrost process.]
RESET OVERLOAD PROTECTOR 9
Overload Protector 9a serves the safety purpose to prevent the
water over heating. When the Overload Protector 9a trip at high
water temperature, take below steps to reset it.
1. Take out the cover.
2. Use a test pen to push the centre button gently in order to reset
the Overload Protector 9.
3. Fix the cover to the original fixing condition.
Use test pen to push
this button for reset
Overload protector 9.
MAINTENANCE
9
• In order to ensure safety and optimal performance of the Tank Unit,
seasonal inspections on the Tank Unit, functional check of RCCB/
ELCB, field wiring and piping have to be carried out at regular
intervals. This maintenance should be carried out by authorized
dealer. Contact dealer for scheduled inspection.
Maintenance for Magnetic Water Filter Set 6
1. Turn OFF power supply.
2. Set the two valves for the Magnetic Water Filter Set 6to “CLOSE”.
3. Drain the Space Heating / Cooling circuit water with set the Pressure
Relief Valve blever UP, so that water pressure drop below 0.5 bar.
4. Take off the clip, then gently pull out the mesh. Beware of small
amount water drain out from it.
5. Clean the mesh with warm water to remove all the stain. Use soft
brush if necessary.
6. Remove the bolt with magnet on brass cap with screwdriver to
remove all iron powder.
7. Reinstall the magnet and mesh to the Magnetic Water Filter Set 6
and set back the clip on it.
8. Set the two valves for the Magnetic Water Filter Set 6to “OPEN”.
9. Re-charging the water to Space Heating / Cooling circuit (refer
Section 5 for details.)
10. Turn ON power supply.
Maintenance for Temperature and Pressure Relief Valve j
• Manually operate the Temperature and Pressure Relief Valve j
by turn the knob counter clockwise to ensure free water flow through
discharge pipe at regular intervals to ensure it is not blocked and
to remove lime deposit.
PROPER PUMP DOWN PROCEDURE
WARNING
Strictly follow the steps below for proper pump down procedure.
Explosion may occur if the steps are not followed as per sequence.
1. When the Tank Unit is not in operation (standby), enter the
Service setup menu in the Remote Controller and select Pump
down operation to turn it ON. (See APPENDIX for detail)
2. After 10~15 minutes, (after 1 or 2 minutes in case very low
ambient temperatures (< 10°C)), fully close 2 way valve on
Outdoor Unit.
3. After 3 minutes, fully close 3 way valve on Outdoor Unit.
4. Press the “OFF/ON” switch on the Remote Controller 1to stop
pump down operation.
5. Remove the refrigerant piping.
TECHNICAL DATA
• Model
WH-ADC0309J3E5UK
• Tank Capacity
- Nominal
• - Actual
200 L
185 L
• Weight
- Empty
- Full
122 kg
307 kg
• Maximum Operating Pressure
- Primary
- Secondary
3.0 bar
3.5 bar
• Maximum Operating Temperature 65°C
• Operating Pressure
- Tank Unit
- Expansion Relief Valve
3.5 bar
8.0 bar
• Maximum Working / Design Pressure
- Space Heating / Cooling
- Tank Circuit
3.0 bar
10.0 bar
• Standing Heat Loss 1.35 kWh/24h
• Reheat Time 87m 54s
• Temperature and Pressure Relief Valve
- Size
- Pressure Relief
- Temperature Relief
1/2" x 15mm
10 bar
90°C - 95°C
• Primary Heater Pressure Drop 0.2 bar
• Primary Flow Rate (Nominal) 9.2 - 25.8 L/min
• Primary Heating Power Input / Flow Rate 32.2 kW /
15 L/min
• Hot Water Capacity as per EN 12897 177 L
This Tank Unit comply with EN 12897.
COLK100080 - Panasonic G3 Unvented Control Kit
Part Code Description WRAS Approval Number
CWIC355045 COMPACT INLET CONTROL
2.1/8.0 BAR 1702335
TUND219005 15*22MM TUNDISH SLIMLINE
STRAIGHT BLACK 1805353
XVES050052 18L VERT POT VESSEL WHITE
2.2B 1102334
ZKIT510506 OSO HOTWATER ACCESSORY
PACK 912308
HOSE202106A
3/4" BSP HOSE C/W SEALING
WASHER-1000mm 1012358

13
ENGLISH
Control of Water Temperature : PCB, Limit Thermostat
WIRING DIAGRAM
CN2
CN1
CN-PWR4
(BLK)
5
3
1
1W
W
W
W
W
W
W
W
BL
W
B
R
1
1
4
2
2
31
1
1
2
2
3
CN-PWR3
(GRN)
CN-PWR204
(YLW)
CN-PWR202
(YLW)
CN-COMM
(YLW)
DCN
(BLU)
DCP
(RED)
CN-CNT
(WHT)
CN-PWR2
(BLU)
RY-V2
RY-V3
ROOM THERMO 1
1
1
CN-OLP1
(WHT)
CN-FLWSEN
(WHT)
CN-TH1
(WHT)
CN-TH3
(WHT)
FLOW
SENSOR
2B
B
1
1
4
6
BR
W
B
BL
2
t˚
t˚
OPTIONAL
ELECTRONIC CONTROLLER
(SUB)
W77
44
33
22
11
BL
R
BR
B
W
BL
R
BR
B
M
WATER OUTLET TEMP. SENSOR (THERMISTOR)
REFRIGERANT TEMP. SENSOR (THERMISTOR)
WATER INLET TEMP. SENSOR (THERMISTOR)
LEAD WIRE FIXING FOR OLP
BLUE
BLUE
BLACK
POOL WATER
PUMP
CN-CNT
(WHT)
CN205 CN204
DC
GND DC 10V
VCC BIT2 BIT1
CN207 CN206 CN210
1
5
L N COOL
ROOM THERMO 2 ROOM THERMO 1
MIXING
VALVE 1 MIXING VALVE 2
HEATL N COOL HEAT
SOLAR WATER
PUMP
ERROR
SIGNAL
WATER PUMP
ZONE 1
WATER PUMP
ZONE 2
ROOM TEMP. ZONE 2
ROOM TEMP. ZONE 1
BUFFER TANK SENSOR
POOL TEMP. SENSOR
WATER TEMP. ZONE 2
WATER TEMP. ZONE 1
DEMAND SIGNAL
SOLAR TEMP. SENSOR
SG SIGNAL
HEAT/COOL SWITCH
EXTERNAL COMP. SW
BLACK
WATER
PUMP WATER
PUMP
CIRCUIT
1
(BL)
2
(W)
3
(R)
AC1-L3
(BLK)
AC1-N
(WHT)
G
RED WHITE
W
WW
W
DATA
(RED)
G02
(GRN)
CN-PUMP1
(WHT)
1
4
5
6
7
HT1-L3
(RED)
AC2-L3
(BLK)
AC2-N2
(WHT)
RY-HT (L3)
SW1 SW2
OUTDOOR AIR
SENSOR
EXTERNAL
CONTROL 1
BOILER CONTACT / DEFROST SIGNAL
EXTRA PUMP
RY-CONTACT1
TANK
SENSOR
t˚
t˚
80±3°C
TERMINAL
BOARD
GROUNDING
GROUNDING
TO OUTDOOR UNIT
BACKUP HEATER (3kW)
OLP BOOSTER
HEATER
ROOM TEMP.
ZONE 1
OLP
80±3°C
CN6
CN5
CN4
CN3
SSR1
BL
BL
BL
BL
W
W
AB
(L1)
(N1)
GROUNDING
TERMINAL BOARD
ELCB
BL W
BL
RR
11
22
CONTROL
PANEL
G01
(GRN)
RECTIFICATION
CIRCUIT
SIGNAL
DETECTION
CIRCUIT
SIGNAL
DETECTION
CIRCUIT
ELECTRONIC CONTROLLER
(MAIN)
HEX WATER OUTLET TEMP. SENSOR
(THERMISTOR)
HEAT COOL N L
REMARKS:
W:WHITE BR :BROWN
O:ORANGE G :GREEN
R:RED GR :GRAY
B:BLUE Y/G :YELLOW/GREEN
BL :BLACK
Y:YELLOW
L2
(WHT)
G03
(GRN)
L1
(WHT)
2
1
1
2
REACTOR
OLP
G
G
FUSE1
T6.3A L250V FUSE 3
T3.15A L250V
NOISE FILTER
CIRCUIT
NOISE
FILTER
CIRCUIT
NOISE
FILTER
CIRCUIT
COMMUNICATION
CIRCUIT
RECTIFICATION
CIRCUIT
BL
W
230V 30A~40A
I n=30mA
POWER SUPPLY 1
Single phase AC230V 50Hz
POWER SUPPLY 2
Single phase AC230V 50Hz
BL
W
230V 30A~40A
In=30mA
R
LEAD WIRE FIXING FOR HEATER
CLOSE CLOSENNOPEN OPEN
1
1
3
CN-PWR
(BLK)
ACN
(WHT)
ACL
(BLK)
CN209
SSR202
SSR203
CN208
SSR200
SSR201
RY1
CN20 CN202
SSR204 SSR205 SSR206 SSR207
CN203
SIGNAL
DETECTION
CIRCUIT
SIGNAL
DETECTION
CIRCUIT
CN1
2-WAY
VALVE
BBLBR
3-WAY
VALVE
CLOSE NOPEN
M
1
~
CLOSE
N
OPEN
ELCB :EARTH LEAKAGE CIRCUIT
B
1
CN-TH2
(WHT)4
TANK TEMP. SENSOR 1 (THERMISTOR)
TANK TEMP. SENSOR 2 (THERMISTOR)
t˚
t˚
(L)
(N)
ELCB
ELECTRONIC CONTROLLER
(MAIN)
WATER OUTLET TEMP. SENSOR (THERMISTOR)
REFRIGERANT TEMP. SENSOR (THERMISTOR)
WATER INLET TEMP. SENSOR (THERMISTOR)
HEX WATER OUTLET TEMP. SENSOR
(THERMISTOR)
TANK TEMP. SENSOR 1 (THERMISTOR)
TANK TEMP. SENSOR 2 (THERMISTOR)
REMARKS:
W : WHITE
O : ORANGE
R : RED
B : BLUE
BL : BLACK
Y : YELLOW
EXTRA PUMP
BOILER CONTACT / DEFROST SIGNAL
ROOM THERMO 1
3-WAY
VALVE
2-WAY
VALVE
CLOSE OPEN N
EXTERNAL
CONTROL 1
EXTERNAL COMP. SW HEAT/COOL SWITCH WATER TEMP. ZONE 1 WATER TEMP. ZONE 2
WATER PUMP
ZONE 2
WATER PUMP
ZONE 1
POOL WATER
PUMP
WATER
PUMP
SOLAR WATER
PUMP
ERROR
SIGNAL
POOL TEMP. SENSOR BUFFER TANK SENSOR ROOM TEMP. ZONE 1 ROOM TEMP. ZONE 2
DEMAND SIGNAL
SG SIGNAL SOLAR TEMP. SENSOR
TANK
SENSOR
OUTDOOR AIR
SENSOR
ROOM TEMP.
ZONE 1
OLP BOOSTER
HEATER
BACKUP HEATER (3kW)
TERMINAL BOARD
TERMINAL
BOARD
GROUNDING
GROUNDING
GROUNDING
OLP
80±3°C
WHITE
WHITE
REACTOR
RED
BLUE
BLUE
BLACK
BLACK
ELCB
ELCB
POWER SUPPLY 2
Single phase AC230V 50Hz
POWER SUPPLY 1
Single phase AC230V 50Hz
TO OUTDOOR UNIT
ELECTRONIC CONTROLLER
(SUB)
OPTIONAL
SIGNAL
DETECTION
CIRCUIT
SIGNAL
DETECTION
CIRCUIT
SIGNAL
DETECTION
CIRCUIT
SIGNAL
DETECTION
CIRCUIT
RECTIFICATION
CIRCUIT
NOISE
FILTER
CIRCUIT
NOISE
FILTER
CIRCUIT
WATER
PUMP
CIRCUIT
RECTIFICATION
CIRCUIT
NOISE FILTER
CIRCUIT
COMMUNICATION
CIRCUIT
FLOW
SENSOR
CONTROL
PANEL
LEAD WIRE FIXING
FOR HEATER
LEAD WIRE FIXING FOR OLP
HEAT COOL N L
L N COOL HEAT L N COOL HEAT
CLOSE
CN1
CN-PWR3
(GRN)
CN-PWR4
(BLK)
CN-PWR2
(BLU)
CN-CNT
(WHT)
CN-PWR
(BLK)
MIXING
VALVE 1
ROOM THERMO 1ROOM THERMO 2
MIXING
VALVE 2
B
CN2
BR BL
OPEN N
BR : BROWN
G : GREEN
GR : GRAY
Y/G : YELLOW/GREEN
ELCB : EARTH LEAKAGE CIRCUIT BREAKER
N OPEN CLOSEN OPEN CLOSE
CHECK ITEMS
Is the Tank Unit properly installed on the concrete floor?
Is there any gas leakage at flare nut connections?
Has the heat insulation been carried out at flare nut connection?
Is the Pressure Relief Valve boperation normal?
Is water pressure higher than 0.05 MPa?
Is the water drainage work properly done?
Is the power supply voltage within the rated voltage range?
Is the cables being fixed to RCCB/ELCB and terminal board firmly?
Is the cables being clamped firmly by holder (clamper)?
Is the earth wire connection properly done?
Is the RCCB/ELCB operation normal?
Is the Remote Controller 1LCD operation normal?
Is there any abnormal sound?
Is the heating operation normal?
Is the Tank unit water leak free on test run?

14
ENGLISH
APPENDIX
This section introduces variation of various systems using Air-To-Water Heatpump and actual setting method.
1-1 Introduce application related to temperature setting.
Temperature setting variation for heating
1. Remote Controller
Floor heating
Indoor
Outdoor
Connect floor heating or radiator directly to the Tank Unit.
Remote controller is installed on Tank Unit.
This is the basic form of the most simple system.
2. Room Thermostat
Outdoor
Tank Unit receive Room Thermo signal (ON/OFF) from Remote controller
to control HP and circulation pump.
There is a build-in thermistor in the remote controller.
Floor heating
Indoor
Connect floor heating or radiator directly to the Tank Unit.
Remove remote controller from Tank Unit and install it in the room where floor heating is installed.
This is an application that uses remote controller as Room Thermostat.
3. External Room Thermostat
Outdoor
Room
Thermostat
(Field supply)
Floor heating
Indoor
Connect floor heating or radiator directly to Tank Unit.
Remote controller is installed on Tank Unit.
Install separate external Room Thermostat (field supply) in the room where floor heating is installed.
This is an application that uses external Room Thermostat.
Setting of remote controller
Installer setting
System setup
Optional PCB connectivity - No
Zone & Sensor:
Water temperature
Setting of remote controller
Installer setting
System setup
Optional PCB connectivity - No
Zone & Sensor:
Room thermostat
Internal
Setting of remote controller
Installer setting
System setup
Optional PCB connectivity - No
Zone & Sensor:
Room thermostat
(External)
1 Variation of system

15
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Outdoor
Max: 30m
Thermistor
Tank Unit compare between room temperature and setting temperature
on the Remote controller to control HP and circulation pump.
Floor heating
Indoor
Connect floor heating or radiator directly to Tank Unit.
Remote controller is installed on Tank Unit.
Install separate external room thermistor (specified by Panasonic) in the room where floor heating is installed.
This is an application that uses external room thermistor.
There are 2 kinds of circulation water temperature setting method.
Direct: set direct circulation water temperature (fixed value)
Compensation curve: set circulation water temperature depends on outdoor ambient temperature
In case of Room thermo or Room thermistor, compensation curve can be set.
In this case, compensation curve is shifted according to the thermo ON/OFF situation.
• (Example) If room temperature increasing speed is;
very slow shift up the compensation curve
very fast shift down the compensation curve
Examples of installations
Floor heating 1 + Floor heating 2
Outdoor
Room Thermostat
(field supply)
Thermistor 2
Thermistor 1
Buffer tank
Pump 2
Pump 1
Mixing valve 2
Mixing valve 1
Indoor
Floor heating 2Floor heating 1
Connect floor heating to 2 circuits through buffer tank as shown in the figure.
Install mixing valves, pumps and thermistors (specified by Panasonic) on both circuits.
Remove remote controller from Tank Unit, install it in one of the circuit and use it as Room Thermostat.
Install external Room Thermostat (field supply) in another circuit.
Both circuits can set circulation water temperature independently.
Install buffer tank thermistor on buffer tank.
It requires connection setting of buffer tank and T temperature setting at heating operation separately.
This system requires Optional PCB (CZ-NS4P).
Outdoor
Radiator
Thermistor 1
Thermistor 2
Buffer tank
Pump 2
Pump 1
Mixing valve 1
Indoor
Floor heating
Connect floor heating or radiator to 2 circuits through buffer tank as shown in figure.
Install pumps and thermistors (specified by Panasonic) on both circuits.
Install mixing valve in the circuit with lower temperature among the 2 circuits.
(Generally, if install floor heating and radiator circuit at 2 zones, install mixing valve in floor heating circuit.)
Remote controller is installed on Tank Unit.
For temperature setting, select circulation water temperature for both circuits.
Both circuits can set circulation water temperature independently.
Install buffer tank thermistor on buffer tank.
It requires connection setting of buffer tank and T temperature setting at heating operation separately.
This system requires the Optional PCB (CZ-NS4P).
Mind that if there is no mixing valve at the secondary side, the circulation water temperature may get higher than setting temperature.
Setting of remote controller
Installer setting
System setup
Optional PCB connectivity - No
Zone & Sensor:
Room thermistor
Setting of remote controller
Installer setting
System setup
Optional PCB connectivity - Yes
Zone and Sensor - 2 Zone system
Zone 1:Sensor
Room thermostat
Internal
Zone 2:Sensor
Room
Room thermostat
(External)
Floor heating + Radiator
4. Room Thermistor
Setting of remote controller
Installer setting
System setup
Optional PCB connectivity - Yes
Zone and Sensor - 2 Zone system
Zone 1:Sensor
Water temperature
Zone 2:Sensor
Room
Water temperature

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Floor heating + Swimming pool
Outdoor
Thermistor 1 Heat EXT
Thermistor 3
Thermistor 2
Buffer tank
Pump 2
Pump 3
Pump 1
Mixing valve 1
Mixing valve 2
Indoor
Floor heating 1 Swimming pool
Connect floor heating and swimming pool to 2 circuits through buffer tank as shown in figure.
Install mixing valves, pumps and thermistors (specified by Panasonic) on both circuits.
Then, install additional pool heat exchanger, pool pump and pool sensor on pool circuit.
Remove remote controller from Tank Unit and install in room where floor heating is installed. Circulation water temperature of floor heating
and swimming pool can be set independently.
Install buffer tank sensor on buffer tank.
It requires connection setting of buffer tank and T temperature setting at heating operation separately. This system requires the Optional
PCB (CZ-NS4P).
 Must connect swimming pool to “Zone 2”.
If it is connected to swimming pool, operation of pool will stop when “Cooling” is operated.
Thermistor
Pump
Swimming pool
Heat EXT
This is an application that connects to the swimming pool only.
Connects pool heat exchanger directly to Tank Unit without
using buffer tank.
Install pool pump and pool sensor (specified by Panasonic) at secondary side of the pool heat exchanger.
Remove remote controller from Tank Unit and install in room where floor heating is installed.
Temperature of swimming pool can be set independently.
This system requires the Optional PCB (CZ-NS4P).
In this application, cooling mode cannot be selected. (not display on remote controller)
Indoor
Outdoor
Simple 2 zone (Floor heating + Radiator)
Thermistor 2
Thermistor 1
Pump 2
Mixing valve
Indoor
Outdoor
Radiator
This is an example of simple 2 zone control without using buffer tank.
Built-in pump from Tank Unit served as a pump in zone 1.
Install mixing valve, pump and thermistor (specified by Panasonic) on zone 2 circuit.
Please be sure to assign high temperature side to zone 1 as temperature of zone 1 cannot be adjusted.
Zone 1 thermistor is required to display temperature of zone 1 on remote controller.
Circulation water temperature of both circuits can be set independently.
(However, temperature of high temperature side and low temperature side cannot be reversed)
This system requires the Optional PCB (CZ-NS4P).
(NOTE)
• Thermistor 1 does not affect operation directly. But error happens if it is not installed.
• Please adjust flow rate of zone 1 and zone 2 to be in balance. If it is not adjusted correctly, it may affects the performance.
(If zone 2 pump flow rate is too high, there is possibility that no hot water flowing to zone 1.)
Flow rate can be confirmed by “Actuator Check” from maintenance menu.
Setting of remote controller
Installer setting
System setup
Optional PCB connectivity - Yes
Zone and Sensor - 2 Zone system
Zone 1:Sensor
Room thermostat
Internal
Zone 2
Swimming pool
T
Setting of remote controller
Installer setting
System setup
Optional PCB connectivity - Yes
Zone and Sensor - 2 Zone system
Zone 1:Sensor
Water temperature
Zone 2:Sensor
Room
Water temperature
Operation setup
Heat
T for heating ON – 1°C
Cool
T for cooling ON – 1°C
Setting of remote controller
Installer setting
System setup
Optional PCB connectivity - Yes
Zone and Sensor - 1 Zone system
Zone :Swimming pool
T
Swimming pool only

17
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Buffer tank connection
Outdoor
Thermistor
Buffer tank
Pump
Indoor
Floor heating
This is an application that connects the buffer tank to the Tank Unit.
Buffer tank’s temperature is detected by buffer tank thermistor (specified by Panasonic).
This system requires Optional PCB (CZ-NS4P).
Buffer tank + Solar Solar thermistor
Thermistor
Solar pump
Mixing valve
Floor heating
Pump
Buffer tank
Outdoor
Indoor
This is an application that connects the buffer tank to the Tank Unit before connecting to the solar water heater to heat up the tank.
Buffer tank’s temperature is detected by buffer tank thermistor (specified by Panasonic).
Solar panel’s temperature is detected by solar thermistor (specified by Panasonic).
Buffer tank shall use tank with built-in solar heat exchange coil independently.
During winter season, solar pump for circuit protection will be activated continuously. If does not want to activate the solar pump operation,
please use glycol and set the anti-freezing operation start temperature to -20°C.
Heat accumulation operates automatically by comparing the temperature of tank thermistor and solar thermistor.
This system requires Optional PCB (CZ-NS4P).
Boiler connection
Thermistor
Boiler
Mixing
valve
Floor heating
Pump
Buffer tank
Outdoor
Indoor
This is an application that connects the boiler to the Tank Unit, to compensate for insufficient capacity by operate boiler when outdoor
temperature drops & heat pump capacity is insufficient.
Boiler is connected parallel with heat pump against heating circuit.
Besides that, an application that connects to the DHW tank’s circuit to heat up tank ‘s hot water is also possible.
Boiler output can be control by either SG ready input from optional PCB or Auto control by 3 modes selection pattern.
(Operation setting of boiler shall be responsible by installer.)
This system requires Optional PCB (CZ-NS4P) for SG ready input control or buffer tank temperature control.
Depending on the settings of the boiler, it is recommended to install buffer tank as temperature of circulating water may get higher. ( It must
connect to buffer tank especially when select Advanced Parallel setting.)
WARNING
Panasonic is NOT responsible for incorrect or unsafe situation of the boiler system.
CAUTION
Make sure the boiler and its integration in the system complies with applicable legislation.
Make sure the return water temperature from the heating circuit to the Tank Unit does NOT exceed 55°C.
Boiler is turned off by safety control when the water temperature of the heating circuit exceed 85°C.
Setting of remote controller
Installer setting
System setup
Optional PCB connectivity - Yes
Buffer Tank connection - Yes
T for buffer tank
Setting of remote controller
Installer setting
System setup
Optional PCB connectivity - Yes
Buffer Tank connection - Yes
T for buffer tank
Solar connection - Yes
Buffer tank
T turn ON
T turn OFF
Antifreeze
Hi limit
Setting of remote controller
Installer setting
System setup
Optional PCB connectivity - Yes
Bivalent - Yes
Turn ON: outdoor temp
Control pattern

18
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2 How to fix cable
Connecting with external device (optional)
• All connections shall follow to the local national wiring standard.
• It is strongly recommended to use manufacturer-recommended
parts and accessories for installation.
• For connection to main PCB 4
1. Two-way valve shall be spring and electronic type, refer to “Field
Supply Accessories” table for details. Valve cable shall be (3 x min
1.5 mm
2
), of type designation 60245 IEC 57 or heavier, or similarly
double insulation sheathed cable.
*note: - Two-way Valve shall be CE marking compliance
component.
-Maximum load for the valve is 9.8VA.
2. Room thermostat cable must be (4 or 3 x min 0.5 mm2), of type
designation 60245 IEC 57 or heavier cord, or similarly double
insulation sheathed cable.
3. Extra pump cable shall be (2 x min 1.5 mm²), of type designation
60245 IEC 57 or heavier.
4. Boiler contact cable shall be (2 x min 0.5 mm²), of type
designation 60245 IEC 57 or heavier.
5. External control shall be connected to 1-pole switch with min
3.0 mm contact gap. Its cable must be (2 x min 0.5 mm2), double
insulation layer of PVC-sheathed or rubber-sheathed cable.
*note: - Switch used shall be CE compliance component.
-Maximum operating current shall be less than 3Arms.
6. Room sensor zone 1 cable shall be (2 x min 0.3 mm²) double
insulation layer of PVC-sheathed or rubber-sheathed.
7. Outdoor air sensor cable shall be (2 x min 0.3 mm²) double
insulation layer of PVC-sheathed or rubber-sheathed.
Bind optional
cables with
these bands
Power Supply 1
RCCB/ELCB
Power Supply 2
RCCB/ELCB
Holder (Clamper)
Indoor
terminal for
connecting
cables
Bind optional
cables with
these bands
Main PCB 4
How to guide the optional cables and power supply cord
(view without internal wiring)
Optional cables:
• External control
cable
• Room sensor
zone 1
• Outdoor air sensor
cable
• Remote controller
cable
Optional cables:
• 2-way valve
cable
• Room thermostat zone
1 cable
• Extra pump cable
• Boiler contact cable
• Power Supply 1 cord
• Power Supply 2 cord
• Indoor Unit/Outdoor Unit Connecting cable
• For connection to Optional PCB 6
1. By connecting Optional PCB, 2 Zone temperature control can
be achieved. Please connect mixing valves, water pumps and
thermistors in zone 1 and zone 2 to each terminals in Optional
PCB.
Temperature of each zone can be controlled independently by
remote controller.
2.
Pump zone 1 and zone 2 cable shall be (2 x min 1.5 mm²), of type
designation 60245 IEC 57 or heavier.
3. Solar pump cable shall be (2 x min 1.5 mm²), of type designation
60245 IEC 57 or heavier.
4. Pool pump cable shall be (2 x min 1.5 mm²), of type designation
60245 IEC 57 or heavier.
5. Room thermostat zone 1 and zone 2 cable shall be (4 x min
0.5 mm²), of type designation 60245 IEC 57 or heavier.
6. Mixing valve zone 1 and zone 2 cable shall be (3 x min 1.5 mm²),
of type designation 60245 IEC 57 or heavier.
7. Room sensor zone 1 and zone 2 cable shall be (2 x min 0.3 mm²),
double insulation layer (with insulation strength of minimum 30V)
of PVC-sheathed or rubber-sheathed cable.
8. Buffer tank sensor, pool water sensor and solar sensor cable
shall be (2 x min 0.3 mm²), double insulation layer (with insulation
strength of minimum 30V) of PVC-sheathed or rubber-sheathed
cable.
9. Water sensor zone 1 and zone 2 cable shall be (2 x min 0.3 mm²),
double insulation layer of PVC-sheathed or rubber-sheathed cable.
10. Demand signal cable shall be (2 x min 0.3 mm²), double insulation
layer of PVC-sheathed or rubber-sheathed cable.
11. SG signal cable shall be (3 x min 0.3 mm²), double insulation layer
of PVC-sheathed or rubber-sheathed cable.
12. Heat/Cool switch cable shall be (2 x min 0.3 mm²), double insulation
layer of PVC-sheathed or rubber-sheathed cable.
13. External compressor switch cable shall be (2 x min 0.3 mm²),
double insulation layer of PVC-sheathed or rubber-sheathed cable.
Bind optional
cables with
these bands
Optional
PCB 6
Bind all
optional cables
with these
bands
Bind optional
cables with
these bands
Bind all optional
cables with these
bands
Power Supply 1
RCCB/ELCB
Power Supply 2
RCCB/ELCB
Holder (Clamper)
Indoor
terminal for
connecting
cables
How to guide the optional cables and power supply cord
(view without internal wiring)

19
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Optional cables:
• External control cable
• Outdoor air sensor cable
• Remote controller cable
• Room sensor zone 1 cable
• Room sensor zone 2 cable
• Buffer tank sensor cable
• Pool sensor cable
• Water sensor zone 1 cable
• Water sensor zone 2 cable
• Demand signal cable
• Solar sensor cable
• SG signal cable
• Heat/Cool switch cable
• External Compressor switch cable
Optional cables:
• 2-way valve cable
• Extra pump cable
• Boiler contact cable • Power Supply 1 cord
• Power Supply 2 cord
• Indoor Unit/Outdoor
Unit Connecting cable
Optional cables:
• Pump zone 1 cable
• Pump zone 2 cable
• Solar pump cable
• Pool pump cable
• Room thermostat zone 1 cable
• Room thermostat zone 2 cable
• Mixing valve zone 1 cable
• Mixing valve zone 2 cable
from Optional
PCB
from Optional PCB
Terminal screw on PCB Maximum tightening torque cN•m {kgf•cm}
M3 50 {5.1}
M4 120 {12.24}
Connecting Cables Length
When connecting cables between Tank Unit and external devices,
the length of the said cables must not exceed the maximum length
as shown in the table.
External device Maximum cables length (m)
Two-way valve 50
Mixing valve 50
Room thermostat 50
Extra pump 50
Solar pump 50
Pool pump 50
Pump 50
Boiler contact 50
External control 50
Room sensor 30
Outdoor air sensor 30
Buffer tank sensor 30
Pool water sensor 30
Solar sensor 30
Water sensor 30
Demand signal 50
SG signal 50
Heat/Cool switch 50
External compressor switch 50
Connection of the main PCB
Zone 1 room sensor
Outdoor air sensor
Tank sensor
External control
Remote controller
Boiler contact /
Defrost Signal
Extra pump
H C N LC O N C O N
Optional
Thermostat 1
3-way
valve
2-way
valve
 Signal inputs
Optional Thermostat
L N =AC230V, Heat, Cool=Thermostat heat, Cool
terminal
 It does not function when using the Optional PCB
External control
Dry contact Open=not operate, Short=operate
(System setup necessary)
Able to turn ON/OFF the operation by external
switch
Remote controller
Connected (Please use 2 cores wire for relocation
and extension. Total cable length shall be 50m
or less.)
 Outputs
3-way valve AC230V N=Neutral Open, Close=direction (For
circuit switching when connected to DHW tank)
2-way valve AC230V N=Neutral Open, Close (Prevent water
circuit pass through during cooling mode)
Extra pump AC230V (Used when Tank Unit pump capacity is
insufficient)
Boiler contact Dry contact (System setup necessary)
 Thermistor inputs
Zone 1 room
sensor
PAW-A2W-TSRT  It does not work when using
the Optional PCB
Outdoor air
sensor
AW-A2W-TSOD (Total cable length shall be 30m
or less)
Connection of Optional PCB (CZ-NS4P)
Ext.
comp.
SW
Heat/
Cool
SW
SG
signal
Vcc
Bit1
Bit2
Solar
sensor
Mixing
valve 2
Mixing
valve 1
Optional
Thermostat 2
Optional
Thermostat 1
Demand
signal
Zone 1
water
sensor
Zone 2
water
sensor
Pool
water
sensor
Buffer
Tank
sensor
Zone 1
room
sensor
Zone 2
room
sensor
Zone 1
Pump
Error
signal
Pool
Pump
Solar
Pump
Zone 2
Pump
N O CN O CL N Cool Heat L N Cool Heat

20
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 Signal inputs
Optional Thermostat L N =AC230V, Heat, Cool=Thermostat heat, Cool
terminal
SG signal
Dry contact Vcc-Bit1, Vcc-Bit2 open/short
(System setup necessary)
Switching SW (Please connect to the 2 contacts
controller)
Heat/Cool SW Dry contact Open=Heat, Short=Cool (System
setup necessary)
External comp.SW Dry contact Open=Comp.ON, Short=Comp.OFF
(System setup necessary)
Demand signal DC 0~10V (System setup necessary)
Please connect to the DC 0~10V controller.
 Outputs
Mixing valve AC230V N=Neutral Open, Close=mixture direction
Operating time: 30s~120s
Pool pump AC230V
Solar pump AC230V
Zone pump AC230V
 Thermistor inputs
Zone room
sensor PAW-A2W-TSRT
Buffer tank
sensor PAW-A2W-TSBU
Pool water
sensor PAW-A2W-TSHC
Zone water
sensor PAW-A2W-TSHC
Solar sensor PAW-A2W-TSSO
Recommended External Device Specification
• This section explains about the external devices (optional)
recommended by Panasonic. Please always ensure to use the
correct external device during system installation.
• For optional sensor.
1. Buffer tank sensor: PAW-A2W-TSBU
Use for measurement of the buffer tank temperature.
Insert the sensor into the sensor pocket and paste it on the
buffer tank surface.
40
black
brown
blue
Dimensions (mm)
Ø6
2. Zone water sensor: PAW-A2W- TSHC
Use to detect the water temperature of the control zone.
Mount it on the water piping by using the stainless steel metal
strap and contact paste (both are included).
93
70
35
Dimensions (mm)
3. Outdoor sensor: PAW-A2W-TSOD
If the installation location of the outdoor unit is exposed to direct
sunlight, the outdoor air temperature sensor will be unable to
measure the actual outdoor ambient temperature correctly.
In this case, optional outdoor temperature sensor can be fixed
at a suitable location to more accurately measure ambient
temperature.
70
93
46
Dimensions (mm)
4. Room sensor: PAW-A2W- TSRT
Install the room temperature sensor to the room which requires
room temperature control.
Dimensions (mm)
86
86
6030
5. Solar sensor: PAW-A2W-TSSO
Use for measurement of the solar panel temperature.
Insert the sensor into the sensor pocket and paste it on the solar
panel surface.
40
black
brown
blue
Dimensions (mm)
Ø6
6. Please refer to the table below for sensor characteristic of the
sensors mentioned above.
Temperature
(°C)
Resistance
(k
Ω )
Temperature
(°C)
Resistance
(k Ω )
30 5.326 150 0.147
25 6.523 140 0.186
20 8.044 130 0.236
15 9.980 120 0.302
10 12.443 110 0.390
5 15.604 100 0.511
0 19.70 90 0.686
-5 25.05 80 0.932
-10 32.10 70 1.279
-15 41.45 65 1.504
-20 53.92 60 1.777
-25 70.53 55 2.106
-30 93.05 50 2.508
-35 124.24 45 3.003
-40 167.82 40 3.615
35 4.375
• For optional pump.
Power supply: AC230V/50Hz, <500W
Recommended part: Yonos 25/6: made by Wilo
• For optional mixing valve.
Power supply: AC230V/50Hz (input open/output close)
Operating time: 30s~120s
Recommended part: 167032: made by Caleffi