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
Initial setting: Water
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 (fi x) 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)
Initial setting: No
System setup
External error signal
Demand control
SG ready
External compressor SW
Select
Confi rm
System setup
Demand control
SG ready
External compressor SW
Circulation liquid
Select
Confi rm
System setup
SG ready
External compressor SW
Circulation liquid
Heat-Cool SW
Select
Confi rm
System setup
External compressor SW
Circulation liquid
Heat-Cool SW
Force Heater
Select
Confi rm
System setup
Circulation liquid
Heat-Cool SW
Force heater
Force defrost
Select
Confi rm
12:00am,Mon
12:00am,Mon
12:00am,Mon
12:00am,Mon
12:00am,Mon
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