Panasonic WH-UD07JE5 - Page 106

106
20. Defrost signal
System setup
Heat-Cool SW
Force heater
Force defrost
Select
T
System setup
Force heater
Force defrost
Pump flowrate
Select
Initial setting: No
Defrost signal sharing same terminal as bivalent contact in main board. When
defrost signal set to YES, bivalent connection reset to NO. Only one function can
be set between defrost signal and bivalent.
When defrost signal set to YES, during defrost operation is running at outdoor
unit defrost signal contact turn ON. Defrost signal contact turn OFF after defrost
operation end.
(Purpose of this contact output is to stop indoor fan coil or water pump during
defrost operation).
12:00am,Mon
12:00am,Mon
Defrost signal
Confirm
Confirm
21. Pump flowrate
Initial setting:
If pump flowrate setting is T, unit adjust pump duty to get different of water inlet
and outlet base on setting on * T for heating ON and * T for cooling ON in
operation setup menu during room side operation.
If pump flowrate setting is set to Max. duty, unit will set the pump duty to the set
duty at *Pump maximum speed in service setup menu during room side operation.
Defrost signal
12.4.3.4 Operation Setup
Heat
22. Water temp. for heating ON
35°C
-5°C 15°C
55°C
Hot water temperature
Outdoor
temperature
In 2 zone system, zone 1 and zone 2 water temperature can be set separately.
23. Outdoor temp. for heating OFF
24°C
OFF
ON
24. T for heating ON
Out
Return
Out — Return = 1°C ~ 15°C
Initial setting: compensation curve
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.
Decide temperature
of 4 points as shown
in diagram
compensation curve
Initial setting: 24°C
Set outdoor temp to stop heating.
Setting range is 5°C ~ 35°C
Initial setting: 5°C
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