Panasonic AQUAREA WH-ADC0912K6E5AN Service Manual page 105

15. External Compressor SW
Set when external compressor SW is connected.
SW is connected to external devices to control power consumption, Open Signal will
stop compressor's operation. (Heating operation etc. are not cancelled).
(NOTE) Does not display if there is no Optional PCB.
If follow Swiss standard power connection, need to turn on DIP SW (SW2 pin3) of main
unit PCB. Short/Open signal used to ON/OFF tank heater (for sterilization purpose)
16. Circulation Liquid
Set circulation of heating water.
There are 2 types of settings, water and glycol.
(NOTE) Please set glycol when using anti-freeze liquid.
It may cause error if setting is wrong.
17. Heat-Cool SW
Initial setting: Disable
Able to switch (fix) heating & cooling by external switch.
(Open) : Fix at Heating (Heating +DHW)
(Short) : Fix at Cooling (Cooling +DHW)
(NOTE) This setting is disabled for model without Cooling.
(NOTE) Does not display if there is no Optional PCB.
Timer function cannot be used. Cannot use Auto mode.
18. Force Heater
Initial setting: Manual
Under manual mode, user can turn on force heater through quick menu.
If selection is 'auto', force heater mode will turn automatically if pop up error
happen during operation.
Force heater will operate follow the latest mode selection, mode selection is
disable under force heater operation.
Heater source will ON during force heater mode.
19. Force Defrost Initial setting: Manual
Under manual code, user can turn on force defrost through quick menu.
If selection is 'auto', outdoor unit will run defrost operation once if heat pump have
long hour of heating without any defrost operation before at low ambient condition.
(Even auto is selected, user still can turn on force defrost through quick menu)
20. Defrost signal
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).
Initial setting: No
Initial setting: Water
System setup
External error signal
Demand control
SG ready
External compressor SW
Select
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
System setup
External compressor SW
Circulation liquid
Heat-Cool SW
Force Heater
Select
System setup
Circulation liquid
Heat-Cool SW
Force heater
Force defrost
Select
System setup
Heat-Cool SW
Force heater
Force defrost
Defrost signal
Select
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