Heater On/Off; Water Temp. For Cooling On; Outdoor Temp. For (Heat To Cool) - Panasonic WH-ADC0309J3E5UK Installation Manual

25. Heater ON/OFF

a. Outdoor temp. for heater ON
Set outdoor temp when back-up heater starts to operate.
Setting range is -20°C ~ 15°C
User shall set whether to use or not to use heater.
b. Heater ON delay time
Set delay time from compressor ON for heater to turn ON if not achieve water
set temperature.
Setting range is 10 minutes ~ 60 minutes
c. Heater ON: T of target Temp
Set water temperature for heater to turn on at heat mode.
Setting range is -10°C ~ -2°C
d. Heater OFF: T of target Temp
Set water temperature for heater to turn off at heat mode.
Setting range is -8°C ~ 0°C
Cool

26. Water temp. for cooling ON

Set target water temperature to operate cooling 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.
27. ∆T for cooling ON
Set temp difference between out temp & return temp of circulating water of
Cooling 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
Auto

28. Outdoor temp. for (Heat to Cool)

Set outdoor temp that switches from heating to cooling by Auto setting.
Setting range is 5°C ~ 25°C
Timing of judgement is every 1 hour
32
Initial setting: 0°C
Initial setting: 30 minutes
Initial setting: -4°C
Initial setting: -2°C
Initial setting: compensation curve
Initial setting: 5°C
Initial setting: 15°C
ON
OFF
0°C
Heater ON
Compressor
ON
0 : 30
Water
Set
Temp.
Heater OFF
-4°C
Heater ON
20°C
5°C
20°C
compensation curve
Out
Return
Return — Out = 1°C ~ 15°C
Heat
Outdoor temp. rising
Cool
15°C
-2°C
30°C