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Hydro Unit
Installation Manual
Setting DIP switches on the board in second remote controller
(option)
• Detach the front cover of the Remote controller.
• Set the DIP switches on the main board
11
1
Used to activate Hydro Unit back up heaters.
OFF = Back up heaters activated;
ON = back up heaters de-activated
OFF
2
Used to activate hot water cylinder electrical heater.
OFF = hot water cylinder heater activated;
ON = hot water cylinder heater de-activated
OFF
3
Used to activate external booster heater output.
OFF = external booster heater output activated;
ON = external booster heater output de-activated
OFF
4
Not Used
–
–
–
–
–
12
1
Used when a hot water cylinder is connected to
system.
OFF = hot water cylinder connected;
ON = hot water cylinder not connected
OFF
2
Used to activate Zone 1 Operation.
OFF = Zone 1 activated;
ON = Zone 1 de-activated
OFF
3
Used to activate Zone 2 Operation.
OFF = Zone 2 de-activated;
ON = Zone activated
OFF
4
Not Used
–
–
–
–
–
13
1
Used to determine type of 3 way diverting valve
used on system.
OFF = 2 wire/spring return or SPST type valve;
ON = SPDT type valve
OFF
2
Used to activate external boiler output.
OFF = external boiler output de-activated;
ON = external boiler output activated
OFF
3
Used to activate system auto restart after power
failure.
OFF = auto restart activated;
ON = auto restart de-activated
OFF
4
Not Used
ON
–
–
–
–
DIP No.
Description
Default
After
Commissioning
Change 1 Change 2 Change 3
1
Used to when a second remote controller is connected
OFF=Header remote controller; ON=Second remote
controller
OFF
–
–
–
–
2
Used to determine control target when use second
remote controller
OFF=water temperature;
ON=room temperature
OFF
–
–
–
–
3
Not Used
–
–
–
–
–
4
Not Used
–
–
–
–
–
SW No. DIP No.
Description
Default
After
Commissioning
Change 1 Change 2 Change 3
30-EN
Содержание HFC series
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