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B) Valve, Heat and Fan priority selection
Jumper
Fan Priority Jumper
Heat Jumper
Valve Jumper
C) Others
The controller board comes with other option.
i) Unoccupied Mode
If the dry contact is closed, the Unoccupied mode is activated and vice versa. When Timer On is active, system
goes back to Occupied mode.
The dry contact connection points can be connected parallel with other fan coil unit (FCU) boards. If the dry
contact is closed, Unoccupied mode will be activated on all fan coil units that are connected parallel as shown in
figure below.
With Jumper (Default)
User set speed or lower fan if auto
mode is selected
For Heat pump
For Valve control (Model 1,2,3 & 4)
Without Jumper
Fan stop when thermostat cut off
For cooling only
For valveless control (Model 1 & 2)
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