Panasonic WH-SXC09H3E8 Service Manual page 90

17. Circulation Liquid
Set circulation of heating water.
There are 2 types of settings, water and anti-freeze function.
(CAUTION) Please set glycol when using anti-freeze function.
It may cause error if setting is wrong.
18. Heat-Cool SW
Able to switch (fix) heating & cooling by external switch.
(Short) : Fix at Heating (Heating +DHW)
(Open) : Fix at Cooling (Cooling +DHW)
(CAUTION) This setting is disabled for model without Cooling.
(CAUTION) Does not display if there is no Optional PCB.
Timer function cannot be used. Cannot use Auto mode.
11.3.4 Operation Setup
Heat
19. Water temp. for heating ON
Set target water temperature to operate heating operation.
Compensation curve: Target water temperature change in conjunction with
outdoor ambient temperature change.
Direct: Set direct circulation water temperature.
In 2 zone system, zone 1 and zone 2 water temperature can be set separately.
20. Outdoor temp. for heating OFF
Set outdoor temp to stop heating.
Setting range is 5°C ~ 35°C
21. ∆T for heating ON
Set temp difference between out temp & return temp of circulating water of
Heating operation.
When temp gap is enlarged, it is energy saving but less comfort. When the
gap gets smaller, energy saving effect gets worse but it is more comfortable.
Setting range is 1°C ~ 15°C
22. Outdoor temp. for heater ON
Set outdoor temp when back-up heater starts to operate.
Setting range is -15°C ~ 20°C
User shall set whether to use or not to use heater.
Initial setting: Water
Initial setting: Disable
Initial setting: compensation curve
Initial setting: 24°C
Initial setting: 5°C
Initial setting: 0°C
System setup
Demand control
SG ready
External compressor SW
Circulation liquid
Select
System setup
SG ready
External compressor SW
Circulation liquid
Heat-Cool SW
Select
55°C
Hot water temperature
35°C
-5°C
compensation curve
ON
24°C
Out
Return
Out — Return = 1°C ~ 15°C
ON
0°C
90
17:26, Wed
Confirm
17:26, Wed
Confirm
Decide temperature
of 4 points as shown
in diagram
Outdoor
15°C
temperature
OFF
OFF