Panasonic WH-MDC05H3E5 User manual

© Panasonic Corporation 2017.
Order No: PAPAMY1709003CE
Mono Bloc Unit
WH-MDC05H3E5
WH-MDC07H3E5
WH-MDC09H3E5
Destination
Europe
Turkey
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to
service or repair the products dealt with in this service information by anyone else could result in serious injury or death.
In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.
PRECAUTION OF LOW TEMPERATURE

54
11.Installation Instruction
11.1 Mono Bloc Unit
11.1.1 Select the Best Location
Install the Mono bloc unit in outdoor locations only.
Avoid installations in areas where the ambient
temperature may drop below -20°C.
The Mono bloc unit must be installed on a flat,
solid surface.
A place removed from any heat source or steam
which may effect the operation of the Mono bloc
unit.
A place where air circulation is good.
A place where drainage can be easily done.
A place where Mono bloc unit’s operation noise
will not cause discomfort to the user.
A place which is accessible for maintenance.
Ensure to keep minimum distance of spaces as
illustrated above from wall, ceiling, or other
obstacles.
A place where flammable gas leaking might not
occur.
A place where the Mono bloc unit’s piping and
wiring lengths come within reasonable ranges.
If an awning is built over the unit to prevent direct
sunlight or rain, be careful that heat radiation from
the condenser is not obstructed.
Do not place any obstacles which may cause a
short circuit of the discharged air.
Avoid installing the Mono bloc unit at a location
where suction side may be exposed directly to
wind.
If Mono bloc unit installed near sea, region with
high content of sulphur or oily location (e.g.
machinery oil, etc.), it lifespan maybe shorten.
When installing the product in a place where it will
be affected by typhoon or strong wind such as
wind blowing between buildings, including the
rooftop of a building and a place where there is no
building in surroundings, fix the product with an
overturn prevention wire, etc. (Overturn prevention
fitting model number: K-KYZP15C)
11.1.2 Mono Bloc Unit Installation
Mono bloc unit will become heavy when filled with
water. Please install the unit on a strong concrete floor
and consider the weight of the unit and water.
Fix Mono bloc unit on the concrete floor with M12
anchor bolt at 4 locations.
Pull-out strength of these anchor bolts must be
above 15000N.
Disposal of Mono Bloc Unit 11.1.2.1
Drain Water
When a Drain elbow is used, please ensure to
follow below:
oThe unit should be placed on a stand which is
taller than 50mm.
oCover the 8 holes (ø20mm) with Rubber cap
(refer to illustration below)
oUse a tray (field supply) when necessary to
dispose the Mono bloc unit drain water.
If the unit is used in an area where temperature
falls below 0°C for 2 or 3 consecutive days, it is
recommended not to use the Drain elbow and
Rubber cap, for the drain water freezes and the
fan will not rotate.
Grip anchor bolt
Broken stone
Anchor bolt 60mm or more
300mm or
more
Floor
Concrete
Embedded anchor bolt
Anchor bolt
Floor slab (concrete)
Above
20mm
80mm
•
Compress strength of concrete is above 18MPa {180kgf/cm
2
}
Illustration of grip type and embedded type anchor bolt
Drain elbow
1
Ru
b
ber cap
2
x 8

55
11.1.3 Piping Installation
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.
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 apply excessive force to piping that may damage the pipes.
Use Rp 1¼" nut for both water inlet and water outlet connection and clean all piping with tap water before
connecting to the Mono bloc unit.
Cover the pipe end to prevent dirt and dust when inserting it through a wall. If an existing tank is to be connected
to this Mono bloc unit, ensure the pipes are clean before water pipe installation is carried out.
Choose proper sealer which can withstand the pressures and temperatures of the system.
Make sure to use two spanners to tighten the connection. Tighten the nuts with torque wrench: 117.6 N•m.
If non-brass metallic piping is used for installation, make sure to insulate the piping to prevent galvanic corrosion.
Do not use pipes that are crushed or deformed. If these inferior pipes are used, it may cause unit malfunction.
Make sure to insulate the water circuit piping (insulator thickness : 20mm or more) to prevent condensation
during cooling operation and reduction of heating capacity, as well as avoid freezing of the outdoor water circuit
piping during winter season.
After installation, check the water leakage condition in connection area during test run.
In case of a power supply failure or pump operating failure, drain the system (as suggested in the figure below).
Drainage piping installation
Use a drain hose with inner diameter of 15 mm.
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.
Water will drip from this hose, therefore the outlet
of this hose must be installed in an area where the
outlet cannot become blocked.
Do not insert this hose into sewage or drain pipe
that may generate ammonia gas, sulfuric gas, etc.
If necessary, use a hose clamp to tighten the hose
at drain hose connector to prevent it from leaking.
H< H
When water is idle inside the system, freezing up is very likely to
ha
pp
en which could dama
g
e the s
y
stem.
CAUTION
Do not over tighten, over tightening cause water leakage.
Illustration of how to fix
d
r
ain hose to Mono bloc uni
t
D
r
ain hose
connector
Drain hose

56
11.1.4 Connect the Cable to Mono Bloc Unit
WARNING
This section is for authorised and licensed electrician only. Work behind the cabinet front plate secured by screws must only be carried out
under supervision of qualified contractor, installation engineer or service person.
Remove The Cabinet Front 11.1.4.1
Plate
1. Remove the 5 mounting screws as shown in the
illustration.
2. Slide the cabinet front plate downward to release
the pawls.
Then, pull it toward front to remove it.
Remove The Cabinet Top Plate 11.1.4.2
1. Remove the 12 mounting screws as shown in the
illustration.
2. Lift the cabinet top plate upward to remove it.
Fixing of Power Supply Cord 11.1.4.3
(REFER TO WIRING DIAGRAM AT UNIT FOR DETAIL)
1. An isolating device must be connected to the power supply cable.
oIsolating device (Disconnecting means) should have minimum 3.0 mm contact gap.
oConnect 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
WH-MDC05H3E5 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-MDC07H3E5 and WH-MDC09H3E5 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
2. To avoid the cable and cord being damaged by sharp edges, the cable and cord must be passed through the
designated holes before being connected to the terminal block.
3. Secure the cable onto the control board with the holder (clamper).
Wire Stripping and Connecting Requirement 11.1.4.4
Mounting screws
Mounting
screws
Cabinet front plate
f
Cabinet top plate 6
Mounting
screws
Terminal on the Mono bloc unit L N L
1
N
1
(Power Supply Cord)
Terminals on the isolating device from
power supply (Disconnecting means)
LN L
1
N
1
P
o
w
er Su
pp
l
y
2
P
o
w
er Su
pp
l
y
1
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.
P
o
wer Supply Cord
*1
5 mm or
more
(gap between wires)
Te r m i n a l
board
Wire stripping
No loose strand
when insert
10 ± 1 mm
ACCEPT
Conductor
over insert
Conductor not
fully insert
Conductor
fully insert
PROHIBITED PROHIBITED

57
Connecting Requirement 11.1.4.5
For WH-MDC05H3E5
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 = 0.257 ohm (Ω) 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.
For WH-MDC07H3E5 and WH-MDC09H3E5
This equipment’s Power Supply 1 complies with IEC61000-3-12 provided that the short circuit power Ssc is
greater than or equal to 750.00kW at the interface point between the user’s supply and the public system. It is the
responsibility of the installer or user of the equipment to ensure, by consultation with the distribution network
operator if necessary, that the equipment is connected only to a supply with a short circuit power Ssc greater than
or equal to 750.00kW.
The equipment’s Power Supply 1 complies with IEC/EN 61000-3-11 and shall be connected to a suitable supply
network, having services current capacity ≥100A per phase. Please liaise with supply authority that the service
current capacity at the interface point is sufficient for the installation of the equipment.
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 = 0.257 ohm (Ω) 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.
Connecting with external device (optional) 11.1.4.6
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
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 mm2), 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 Three-way valve shall be spring and electronic type. Valve cable shall be (3 x min 1.5 mm2), of type
designation 60245 IEC 57 or heavier, or similarly double insulation sheathed cable.
* note: - Shall be CE marking compliance component.
- It shall be directed to heating mode when it is OFF.
- Maximum load for the valve is 9.8VA.
3 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.
4 Maximum output power of booster heater shall be ≤3 kW. Booster heater cable must be (3 x min 1.5 mm2),
of type designation 60245 IEC 57 or heavier.
5 Extra pump cable shall be (2 x min 1.5 mm2), of type designation 60245 IEC 57 or heavier.
6 Boiler contact cable shall be (2 x min 0.5 mm2), of type designation 60245 IEC 57 or heavier.
7 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.

58
8 Tank sensor shall be resistance type, please refer to graph below for the characteristic and details of sensor.
Its cable shall be (2 x min 0.3 mm2), double insulation layer (with insulation strength of min 30V) of PVC-
sheathed or rubber-sheathed cable.
9 Room sensor zone 1 cable shall be (2 x min 0.3 mm2) double insulation layer of PVC-sheathed or rubber-
sheathed.
10 Outdoor air sensor cable shall be (2 x min 0.3 mm2) double insulation layer of PVC-sheathed or rubber-
sheathed.
11 Tank OLP cable must be (2 x min 0.5 mm2), double insulation layer of PVC-sheathed or rubber-sheathed
cable.
-30 -20 -10 0 10 20 30
16000
14000
12000
10000
8000
˚C
6000
4000
2000
0
Tank sensor characteristic
Resistance Ω
Tank Sensor Resistance Vs Temperatur
e
Optional cables:
•
External control cable
•
Tank sensor cable
•
Room sensor zone 1
•
Outdoor air sensor cable
•
Tank OLP cable
Optional cables:
•
3-way valve cable
•
2-way valve cable
•
Room thermostat zone 1 cable
•
Booster heater cable
•
Extra pump cable
•
Boiler contact cable
•
Remote controller cable
•
Power Supply 2 cord
•
Power Supply 1 cord
•
Power supply 2 cord
O
ptional cables:
•
3-way valve cable
•
2-way valve cable
•
Room thermostat
zone 1 cable
•
Booster heater cable
•
Extra pump cable
•
Boiler contact cable
•
Remote controller
cable
Guide cables
through
this hole to
bushing e
Bind all power supply cords and external
device cables to the pipe (cover with
foam) with band strap (field supply)
Make sure
these cords/
cables do not
touch any
portion of
pump body
•
Power supply 1 cord

59
For connection to optional PCB
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.
How to guide optional cables and power supply cords to control board
Bind optional
cables with
these bands
Bind optional
cables with
these bands
PCB 1
Power supply 2
RCCB
Power supply 1
RCCB
Holder
(Clamper)
How to guide optional cables and power supply cords
(view without internal wiring)
Optional cables:
•
Pump zone 1 cable
•
Pump zone 2 cable
•
Solar pump cable
•
Pool pump cable
•
Error signal cable
from
optional
PCB
Optional cables:
•
Room thermostat zone 1
cable
•
Room thermostat zone 2
cable
•
Mixing valve zone 1 cable
•
Mixing valve zone 2 cable
from
optional
PCB
Optional cables:
•
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
f
rom
optional
PCB

60
Terminal screw on PCB Maximum tightening torque cN•m {kgf•cm}
M3 50 {5.1}
M4 120 {12.24}
11.1.5 Installation of Remote Controller
Installation Location
11.1.5.1
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)
Guide cables through
this hole to bushing e
How to guide optional cables to bushing
Guide cables through
this hole to bushing e
How to guide optional cables to control board
Guide cables through
this hole to bushing eGuide cables through
this hole to bushing e
Bind optional
cables with
this band
How to guide optional cables (view without internal wiring)

61
Remote Controller Wiring 11.1.5.2
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 (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.
Mounting The Remote Controller 11.1.5.3
For exposed type
Preparation: Make 2 holes for screws using a driver.
1
2
Terminal for Remote Controller wiring
Remote Controlle
r
Mono
b
loc unit
Remote Controller
wiring (field supply)
•
No polarity
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)
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.

62
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
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)
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.