Panasonic Aquarea WH-SDC05H3E5-1 User manual

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Operating Instructions
Air-to-Water Heatpump
Model No.
Indoor Unit Outdoor Unit
WH-SDC03H3E5-1
WH-SDC05H3E5-1
WH-SDC07H3E5-1
WH-SDC09H3E5-1
WH-UD03HE5-1
WH-UD05HE5-1
WH-UD07HE5-1
WH-UD09HE5-1
WH-SDC12H6E5
WH-SDC16H6E5
WH-UD12HE5
WH-UD16HE5
WH-SDC09H3E8
WH-SDC12H9E8
WH-SDC16H9E8
WH-UD09HE8
WH-UD12HE8
WH-UD16HE8
WH-SQC09H3E8
WH-SQC12H9E8
WH-SQC16H9E8
WH-UQ09HE8
WH-UQ12HE8
WH-UQ16HE8
WH-SXC09H3E5
WH-SXC12H6E5
WH-UX09HE5
WH-UX12HE5
WH-SXC09H3E8
WH-SXC12H9E8
WH-SXC16H9E8
WH-UX09HE8
WH-UX12HE8
WH-UX16HE8
Operating Instructions
Air-to-Water Heatpump 2-27
Thank you for purchasing Panasonic
product.
Before operating the system, please read these
operating instructions thoroughly and keep them for
future reference.
Installation Instructions attached.
Instrucciones de funcionamiento
Bomba de calor Aire-Agua 28-53
Gracias por comprar un producto
Panasonic.
Antes de utilizar la unidad, sírvase leer
atentamente estas instrucciones de funcionamiento
y conservarlas para futuras consultas.
Instrucciones de instalación adjuntas.
Istruzioni operative
Pompa di calore Aria-acqua 54-79
Grazie per aver acquistato un prodotto
Panasonic.
Prima di utilizzare l’unità, leggere attentamente le
istruzioni e conservare questo opuscolo per potervi
fare riferimento in futuro.
Istruzioni per l’installazione allegate.
Gebruiksaanwijzing
Air-to-Water Warmtepomp 80-105
Hartelijk dank voor het aanschaffen van
een Panasonic-product.
Lees voor u het apparaat gebruikt deze
gebruikshandleiding grondig en bewaar deze voor
toekomstig gebruik.
De instructies voor installatie zijn bijgevoegd.
ACXF55-21971
Manufactured by:
Panasonic AVC Networks Czech, s.r.o.
U Panasoniku 1, 320 84 Plzeň, Czech Republic

2
Table of contents
Safety precautions .........................................................4-6
Remote Controller buttons and display .........................7-9
Initialization .......................................................................9
Quick Menu ....................................................................10
Menus ........................................................................10-23
For user
1 Function setup ...................................................10-11
1.1 Weekly timer
1.2 Holiday timer
1.3 Quiet timer
1.4 Room heater
1.5 Tank heater
1.6 Sterilization
2 System check ....................................................11-12
2.1 Energy monitor
2.2 Water temperatures
2.3 Error history
2.4 Compressor
2.5 Heater
3 Personal setup ...................................................12-13
3.1 Touch sound
3.2 LCD contrast
3.3 Backlight
3.4 Backlight intensity
3.5 Clock format
3.6 Date & Time
3.7 Language
3.8 Unlock password
4 Service contact .......................................................13
4.1 Contact 1 / Contact 2
For installer
5 Installer setup > System setup ...........................14-18
5.1 Optional PCB connectivity
5.2 Zone & Sensor
5.3 Heater capacity
5.4 Anti freezing
5.5 Tank connection
5.6 Buffer tank connection
5.7 Tank heater
5.8 Base pan heater
5.9 Alternative outdoor sensor
5.10 Bivalent connection
5.11 External SW
5.12 Solar connection
5.13 External error signal
5.14 Demand control
5.15 SG ready
5.16 External compressor SW
5.17 Circulation liquid
5.18 Heat-Cool SW
5.19 Force heater
6 Installer setup > Operation setup .......................18-22
6.1 Heat
6.2 Cool
6.3 Auto
6.4 Tank
7 Installer setup > Service setup ...........................22-23
7.1 Pump maximum speed
7.2 Pump down
7.3 Dry concrete
7.4 Service contact
Cleaning instructions ......................................................24
Troubleshooting .........................................................25-26
Information ......................................................................27

3
English
Outdoor
Unit
Power Supply
Solar Panel
Radiator
Shower
Fan Coil
Unit
Floor
Heating
Water Tank Unit
Indoor Unit
Remote Controller
The illustrations in this manual are for explanation purposes only and may differ from the actual unit.
They are subject to change without notice for future improvement.
System overview
Before use, make sure the system has been installed correctly by an
authorised dealer according to the given instructions.
• Panasonic Air-to-Water Heatpump is a split system, consisting of two units: indoor and outdoor units. This system
is designed to operate with Panasonic Water Tank Unit. Unless used together with the Panasonic Water Tank Unit,
Panasonic does not guarantee any normal operation nor the reliability of the system.
• These operating instructions describe how to operate the system using the indoor and outdoor units.
• As for the operation of other products such as water tank, radiator, external thermo controller, and underfloor units, refer
to the operating instructions of each product.
• Some functions described in this manual may not be applicable to your system.
• Consult your nearest authorised dealer for further information.
*1 The system is locked to operate without COOL mode. It can be unlocked only by authorised installers or our authorised
service partners.
*2 Only displayed when COOL mode is unlocked (This means when COOL mode is available)
Operating conditions
HEATING
*1COOLING
For H (series) WH-SDC series WH-SXC series, WH-SQC series
Water outlet temperature (°C)
(Min. / Max.)
20 / 55 20 / 55 (Below Ambient -15°C) *3
20 / 60 (Above Ambient -10°C) *35 / 20
Outdoor ambient temperature (°C)
(Min. / Max.)
-20 / 35 -28 / 35 16 / 43
When the outdoor temperature is out of the range in the table, the heating capacity will drop significantly and the outdoor unit
may stop operating for its protection.
The unit will restart automatically after the outdoor temperature returns to the specified range.
*3 Between outdoor ambient -10°C and -15°C, the water outlet temperature gradually decreases from 60°C to 55°C.

4
To prevent personal injury, injury to
others or property damage, please
comply with the following:
Incorrect operation due to failure to
follow instructions below may cause
harm or damage, the seriousness of
which is classified as below:
WARNING This sign warns of death or serious
injury.
CAUTION This sign warns of injury or damage
to property.
The instructions to be followed are
classified by the following symbols:
This symbol denotes
an action that is
PROHIBITED.
These symbols denote
actions COMPULSORY.
WARNING
Indoor unit and outdoor unit
This appliance may be used by
children aged from 8 years and
above and persons with reduced
physical, sensory or mental
capabilities or lack of experience
and knowledge if they have been
given supervision or instruction
concerning use of the appliance
in a safe way and understand
the hazards involved. Children
shall not play with the appliance.
Cleaning and user maintenance
shall not be made by children
without supervision.
Please consult an authorised
dealer or specialist to clean the
internal parts, repair, install,
remove and reinstall the unit.
Improper installation and
handling will cause leakage,
electric shock or fire.
Confirm with an authorised
dealer or specialist on usage of
any specified refrigerant type.
Using refrigerant type other than
the specified may cause product
damage, burst and injury etc.
Do not install the unit in
a potentially explosive or
flammable atmosphere. Failure
to do so could result in fire.
Do not insert your fingers
or other objects into the
indoor or outdoor unit; the
rotating parts may cause
injury.
Safety precautions

5
English
Do not touch the outdoor unit
during lightning, it may cause an
electric shock.
Do not sit or step on the
unit, you may fall down
accidentally.
Do not install the indoor unit
outdoors. This is designed for
indoor installation only.
Power supply
Do not use a
modified cord, joint
cord, extension
cord or unspecified
cord to prevent
overheating and fire.
To prevent overheating, fire or
electric shock:
• Do not share the same power
outlet with other equipment.
• Do not operate with wet hands.
• Do not bend or twist power
supply cord.
If the supply cord is damaged,
it must be replaced by the
manufacturer, service agent or
similarly qualified persons in
order to avoid a hazard.
This unit is equipped with
Residue Current Circuit Breaker
(RCCB). Ask an authorised
dealer to check RCCB operation
regularly, especially after
installation, inspection, and
maintenance. RCCB malfunction
may result in electric shock and/
or fire.
It is strongly recommended that
Install Residual Current Device
(RCD) on-site to prevent electric
shock and/or fire.
Before obtaining access to
terminals, all supply circuits must
be disconnected.
Stop using the product if any
abnormality/failure occurs and
disconnect the power supply.
(Risk of smoke/fire/electric
shock)
Examples of abnormality/failure
• RCCB trips frequently.
• Burning smell is observed.
• Abnormal noise or vibration of
the unit is observed.
• Hot water leaks from the indoor
unit.
Contact your local dealer
immediately for maintenance/
repair.
Wear gloves during inspection
and maintenance.
This equipment must be earthed
to prevent electrical shock or fire.
Prevent electric shock by
disconnecting the power supply
- Before cleaning or servicing.
- When extended non-use.
This appliance is for multiple
uses. To avoid electric shock,
burn and/or fatal injury, make
sure to disconnect all power
supplies before accessing any
terminal in the indoor unit.
Safety precautions

6
CAUTION
Indoor unit and outdoor unit
Do not wash the indoor unit
with water, benzine, thinner
or scouring powder to avoid
damage or corrosion on the unit.
Do not install the unit close
to any combustibles or in a
bathroom. Otherwise, it may
cause electric shock and/or fire.
Do not touch the water discharge
pipe of the indoor unit during
operation.
Do not place any material on the
unit or under it.
Do not touch the sharp
aluminium fin; sharp parts
may cause injury.
Do not use the system during
sterilization in order to prevent
scalding with hot water, or
overheating of shower.
Prevent water leakage by
ensuring that the drainage pipe
is connected properly.
After a long period of use, make
sure the installation rack is not
deteriorated. The deteriorated
rack may cause the unit to fall
down.
Ask an authorised dealer
to determine the level of
sterilization function field settings
according to the local laws and
regulations.
Remote Controller
Do not wet the Remote
Controller. Failure to do so may
result in electric shock and/or
fire.
Do not press the buttons on the
Remote Controller using hard
and sharp objects. Failure to do
so may cause damage to the
unit.
Do not wash the Remote
Controller using water, benzine,
thinner or scouring powder.
Do not inspect or maintain the
Remote Controller by yourself.
Consult an authorised dealer in
order to prevent personal injury
caused by incorrect operation.
Safety precautions

7
English
Remote Controller buttons and display
Buttons / Indicator
1
Quick Menu button
(For more details, refer to the separate
Quick Menu Guide.)
2Back button
Returns to the previous screen
3LCD Display
4Main Menu button
For function setup
5ON/OFF button
Starts/Stops operation
6
Operation indicator
Illuminates during operation, blinks during
alarm.
Press centre
No glove
No pen
2
1
4
5
6
3
Cross key buttons
Selects an item.
Enter button
Fixes the selected content.
Up
Down
Left Right
Safety precautions / Remote Controller buttons and display

8
Remote Controller buttons and display
Display
1Mode selection
*1, *2 AUTO
• Depending on the preset outdoor
temperature, the system selects
HEAT or *
1,
*
2
COOL operation mode.
Auto Heat Auto Cool
*1, *2 COOL • COOL operation is either turned
ON or OFF.
• The outdoor unit provides cooling
to the system.
*1, *2 AUTO
+ TANK
• Depending on the preset outdoor
temperature, the system selects
HEAT + TANK or *1, *2COOL +
TANK operation mode.
Auto Heat Auto Cool
*1, *2 COOL
+ TANK
• The outdoor unit provides cooling
to the system.
• The outdoor unit provides heating
when boiling tank.
HEAT
• HEAT operation is either turned
ON or OFF.
• The outdoor unit provides heat to
the system.
TANK • TANK operation is either turned
ON or OFF.
• The outdoor unit provides heat to
the water tank.
HEAT
+ TANK
• The outdoor unit provides heat to
the water tank and the system.
• This mode can be selected only
when the water tank is installed.
* The direction icons point to the currently
active mode.
• Room operation / Tank operation.
• Deice operation.
2Operation icons
The status of operation is displayed.
Icon will not display (under operation OFF screen) whenever operation is OFF except weekly timer.
Holiday operation status Weekly Timer operation status Quiet operation status
Zone:Room Thermostat
→Internal sensor status Powerful operation status Demand Control or SG ready or SHP status
Room Heater status Tank Heater status Solar status
Bivalent status
(Boiler)
2 43
1
5
6
7
*1 The system is locked to operate without COOL mode. It can be unlocked only by authorised installers or our authorised service partners.
*2 Only displayed when COOL mode is unlocked (This means when COOL mode is available).

9
English
Initialization
Before starting to install the various menu settings, please initiate the Remote Controller by selecting the language of
operation and installing the date and time correctly.
When power is turned on for the first time, it becomes the setting screen automatically. It can also be set from personal
setting of the menu.
Selecting the language LCD blinking
Wait while the display is initializing.
When initializing screen ends, it turns to
normal screen.
When any button is pressed, language setting
screen appears.
1Scroll with and to select the language.
2Press to confirm the selection.
Setting the clock
1Select with or how to display the time,
either 24h or am/pm format (for example, 15:00
or 3:00 pm).
2Press to confirm the selection.
3Use and to select year, month, day, hour
and minutes. (Select and move with and
press to confirm.)
4Once the time is set, time and day will appear
on the display even if the Remote Controller is
turned OFF.
3Temperature of each zone
4Time and day
5Water Tank temperature
6Outdoor temperature
7Sensor type/Set temperature type icons
Water Temperature
→Compensation curve
Water Temperature
→Direct Pool only
Room Thermostat
→External
Room Thermostat
→Internal
Remote Controller buttons and display / Initialization

10
Menus For user
Select menus and determine settings according to the system
available in the household. All initial settings must be done by an
authorised dealer or a specialist. It is recommended that all alterations
of the initial settings are also done by an authorised dealer or a
specialist.
• After initial installation, you may manually adjust the settings.
• The initial setting remains active until the user changes it.
• The Remote Controller can be used for multiple installations.
• Ensure the operation indicator is OFF before setting.
• The system may not work properly if set wrongly.
Please consult an authorised dealer.
To display <Main Menu>:
To select menu:
To confirm the selected content:
After the initial settings have been completed, you can select a quick menu from the following options and edit the setting.
1Press to display the quick menu.
Force DHW Powerful Quiet Force Heater
Weekly Timer Force Defrost Error Reset R/C Lock
2Use to select menu.
3Press to turn on/off the select menu.
Quick Menu
Menu Default Setting Setting Options / Display
1Function setup
1.1 Weekly timer
Once the weekly timer is set
up, User can edit from Quick
Menu.
To set up to 6 patterns of
operation on a daily basis.
• Disabled if Heat-Cool SW
is select “Yes” or if Force
Heater is on.
Timer setup
Select day of the week and
set the patterns needed
(Time / Operation ON/OFF / Mode)
Timer copy
Select day of the week

11
English
Menu Default Setting Setting Options / Display
1.2 Holiday timer
To save energy, a holiday
period may be set to either turn
OFF the system or lower the
temperature during the period.
OFF
ON
Holiday start and end.
Date and time
OFF or lowered temperature
• Weekly timer setting may be temporarily disabled during Holiday timer setting
but it will be restored once the Holiday timer is completed.
1.3 Quiet timer
To operate quietly during the
preset period.
6 patterns may be set.
Level 0 means the mode is off.
Time to start Quiet :
Date and time
Level of quietness:
0 ~ 3
1.4 Room heater
To set the room heater ON
or OFF. OFF
1.5 Tank heater
To set the tank heater ON or
OFF. OFF
• Available only if connected to the tank.
1.6 Sterilization
To set the auto sterilization ON
or OFF. OFF
• Available only if connected to the tank.
• Do not use the system during sterilization in order to prevent scalding with hot water, or overheating of shower.
• Ask an authorised dealer to determine the level of sterilization function field settings according to the local laws and
regulations.
2System check
2.1 Energy monitor
Present or historical chart
of energy consumption,
generation or COP.
Present
Select and retrieve
Historical chart
Select and retrieve
• COP= Coefficient of Performance.
• For historical chart, the period is selected from 1 day/1 week/1year.
• Energy consumption (kWh) of heating, *1, *2cooling, tank and total may be retrieved.
• The total power consumption is an estimated value based on AC 230 V and may
differ from value measured by precise equipment.
2.2 Water temperatures
Shows all water temperatures
in each area.
Actual water temperature of 8 items:
Inlet / Outlet / Zone 1 / Zone 2 / Tank / Buffer
tank / Solar / Pool
Select and retrieve
Menus For user
Quick Menu / Menus
*1 The system is locked to operate without COOL mode. It can be unlocked only by authorised installers or our authorised service partners.
*2 Only displayed when COOL mode is unlocked (This means when COOL mode is available).

12
Menus For user
Menu Default Setting Setting Options / Display
2.3 Error history
• Refer to Troubleshooting for
error codes.
• The most recent error code is
displayed at the top. Select and retrieve
2.4 Compressor
Shows the compressor
performance.
Select and retrieve
2.5 Heater
Total hours of ON time for
Room heater/Tank heater.
Select and retrieve
3Personal setup
3.1 Touch sound
Turns the operation sound
ON/OFF. ON
3.2 LCD contrast
Sets the screen contrast.
3
3.3 Backlight
Sets the duration of screen
backlight.
1 min
3.4 Backlight intensity
Sets screen backlight
brightness.
4
3.5 Clock format
Sets the type of clock display.
24h

13
English
Menu Default Setting Setting Options / Display
3.6 Date & Time
Sets the present date and
time.
Year / Month / Day / Hour / Min
3.7 Language
Sets the display language for
the top screen.
• For Greek, please refer to the
English version.
ENGLISH / FRANÇAIS /
DEUTSCH / ITALIANO /
ESPAÑOL / DANISH /
SWEDISH / NORWEGIAN /
POLISH / CZECH /
NEDERLANDS / TÜRKÇE /
SUOMI / MAGYAR /
SLOVENŠČINA / HRVATSKI
3.8 Unlock password
4 digit password for all the
settings.
0000
4Service contact
4.1 Contact 1 / Contact 2
Preset contact number for
installer.
Select and retrieve
Menus

14
Menus For installer
Menu Default Setting Setting Options / Display
5Installer setup System setup
5.1 Optional PCB connectivity
To connect to the external PCB
required for servicing. No
• If the external PCB is connected (optional), the system will have following additional functions:
1Buffer tank connection and control over its function and temperature.
2Control over 2 zones (including the swimming pool and the function to heat water in it).
3
Solar function (the solar thermal panels connected to either the DHW (Domestic Hot Water) Tank or the Buffer Tank.
4External compressor switch.
5External error signal.
6SG ready control.
7Demand control.
8Heat-Cool SW
5.2 Zone & Sensor
To select the sensors and to
select either 1 zone or 2 zone
system.
Zone
• After selecting 1 or 2 zone system, proceed to
the selection of room or swimming pool.
• If the swimming pool is selected, the
temperature must be selected for
T temperature between 0 °C ~10 °C.
Sensor
* For room thermostat, there is a further
selection of external or internal.
5.3 Heater capacity
To reduce the heater power if
unnecessary.*
3 kW / 6 kW / 9 kW 3 kW / 6 kW / 9 kW
* Options of kW vary
depending on the model.
5.4 Anti freezing
To activate or deactivate the
water freeze prevention when
the system is OFF.
Yes
5.5 Tank connection
To connect tank to the system. No
5.6 Buffer tank connection
To connect tank to the system
and if selected YES, to set
T temperature.
• The optional PCB
connectivity must be selected
YES to enable the function.
• If the optional PCB
connectivity is not selected,
the function will not appear
on the display.
No
Yes
5 °C Set T for Buffer Tank

15
English
Menu Default Setting Setting Options / Display
5.7 Tank heater
To select external or internal
tank heater and if External is
selected, set a timer for the
heater to come on.
* This option is available if
Tank connection is selected
(YES).
Internal
External
0:20 Tank heater ON time
set.
5.8 Base pan heater
To select whether or not
optional base pan heater is
connected.
* Type A -The base pan heater
activates only during
deice operation.
* Type B -The base pan heater
activates when
outdoor ambient
temperature is 5 °C
or lower.
No
Yes
ASet base pan heater
type*.
5.9 Alternative outdoor sensor
To select an alternative
outdoor sensor. No
5.10 Bivalent connection
To select a bivalent connection
to allow an additional heat
source such as a boiler to
heat-up the buffer tank and
domestic hot water tank
when heatpump capacity is
insufficient at low outdoor
temperature. The bivalent
feature can be set-up either in
alternative mode (heatpump
and boiler operate alternately),
or in parallel mode (both
heatpump and boiler operate
simultaneously), or in advance
parallel mode (heatpump
operates and boiler turns on
for buffer-tank and/or domestic
hot water depending on the
control pattern setting options).
No
Yes
-5 °C
Set outdoor temperature
for turn ON Bivalent
connection.
Yes After selecting the outdoor temperature
Control pattern
Alternative / Parallel / Advanced parallel
• Select advanced parallel for bivalent use of
the tanks.
Menus

16
Menu Default Setting Setting Options / Display
Control pattern Advanced parallel
Heat Selection of the tank
• “Heat” implies Buffer Tank and “DHW” implies
Domestic Hot Water Tank.
Control pattern Advanced parallel Heat Yes
• Buffer Tank is activated only after selecting
“Yes”.
-8 °C
Set the temperature
threshold to start the
bivalent heat source.
0:30
Delay timer to start the
bivalent heat source
(in hour and minutes).
-2 °C
Set the temperature
threshold to stop the
bivalent heat source.
0:30
Delay timer to stop the
bivalent heat source
(in hour and minutes).
Control pattern Advanced parallel DHW Yes
• DHW Tank is activated only after selecting
“Yes”.
0:30
Delay timer to start the
bivalent heat source
(in hour and minutes).
Menus For installer

17
English
Menu Default Setting Setting Options / Display
5.11 External SW
No
5.12 Solar connection
• The optional PCB
connectivity must be selected
YES to enable the function.
• If the optional PCB
connectivity is not selected,
the function will not appear
on the display.
No
Yes
Buffer tank Selection of the tank
Yes After selecting the tank
10 °C Set T ON temperature
Yes After selecting the tank T ON temperature
5 °C Set T OFF
temperature
Yes After selecting the tank T ON temperature T OFF temperature
5 °C Set Antifreeze
temperature
Yes After selecting the tank T ON temperature T OFF temperature
After setting the antifreeze temperature
80 °C Set Hi limit
Menus

18
Menu Default Setting Setting Options / Display
5.13 External error signal
No
5.14 Demand control
No
5.15 SG ready
No
Yes
120 %
Capacity (1) & (2) of
Buffer Tank and DHW
Tank (in %)
5.16 External compressor SW
No
5.17 Circulation liquid
To select whether to circulate
water or glycol in the system.
Water
5.18 Heat-Cool SW
No
5.19 Force heater
To turn on Force heater either
manually (by default) or
automatically. Manual
6Installer setup Operation setup
To access to the four major
functions or modes. 4 main modes
Heat / *1, *2Cool / *1, *2Auto / Tank
Menus For installer
*1 The system is locked to operate without COOL mode. It can be unlocked only by authorised installers or our authorised service partners.
*2 Only displayed when COOL mode is unlocked (This means when COOL mode is available).

19
English
Menu Default Setting Setting Options / Display
Installer setup Operation setup
6.1 Heat
To set various water &
ambient temperatures for
heating.
Water temp. for heating ON /
Outdoor temp. for heating OFF /
T for heating ON /
Outdoor temp. for heater ON
Water temp. for heating ON
Compensation
curve
Heating ON
temperatures in
compensation curve or
direct input.
Water temp. for heating ON Compensation curve
X axis: -5 °C, 15 °C
Y axis: 55 °C, 35 °C
Input the 4 temperature
points
(2 on horizontal X axis,
2 on vertical Y axis).
• Temperature range: X axis: -15 °C ~ 15 °C, Y axis: See below
• Temperature range for the Y axis input depends on the model:
1. WH-SDC model : 20°C ~ 55°C
2. WH-SHF model & Back up heater is enabled: 25°C ~ 65°C
3. WH-SHF model & Back up heater is disabled: 35°C ~ 65°C
4. WH-SXC/SQC model : 20°C ~ 60°C
• If 2 zone system is selected, the 4 temperature points must also be input for Zone 2.
• “Zone 1” and “Zone 2” will not appear on the display if only 1 zone system.
Water temp. for heating ON Direct
35 °C Temperature for heating
ON
• Min. ~ Max. range is conditional as follows:
1. WH-SDC model : 20°C ~ 55°C
2. WH-SHF model & Back up heater is enabled: 25°C ~ 65°C
3. WH-SHF model & Back up heater is disabled: 35°C ~ 65°C
4. WH-SXC/SQC model : 20°C ~ 60°C
• If 2 zone system is selected, temperature set point must input for Zone 2.
• “Zone 1” and “Zone 2” will not appear on the display if only 1 zone system.
Outdoor temp. for heating OFF
24 °C Temperature for heating
OFF
Menus

20
Menu Default Setting Setting Options / Display
T for heating ON
5 °C Set T for heating
ON.
Outdoor temp. for heater ON
0 °C Temperature for
heater ON
6.2 *1, *2Cool
To set various water & ambient
temperatures for cooling. Water temperatures for cooling ON
and T for cooling ON.
Water temp. for cooling ON
Compensation curve
Cooling ON
temperatures in
compensation curve or
direct input.
Water temp. for cooling ON Compensation curve
X axis: 20 °C, 30 °C
Y axis: 15 °C, 10 °C
Input the 4 temperature
points
(2 on horizontal X axis,
2 on vertical Y axis)
• If 2 zone system is selected, the 4 temperature points must also be input for Zone 2.
• “Zone 1” and “Zone 2” will not appear on the display if only 1 zone system.
Water temp. for cooling ON Direct
10 °C Set temperature for
Cooling ON
• If 2 zone system is selected, temperature set point must input for Zone 2.
• “Zone 1” and “Zone 2” will not appear on the display if only 1 zone system.
T for cooling ON
5 °C Set T for cooling ON
Menus For installer
*1 The system is locked to operate without COOL mode. It can be unlocked only by authorised installers or our authorised service partners.
*2 Only displayed when COOL mode is unlocked (This means when COOL mode is available).