McQuay A Serie Manual Del Usuario página 9

B) VALVE, HEAT AND FAN PRIORITY SELECTION
Jumper
Fan Priority Jumper
Heat Jumper
Valve Jumper
C ) OTHERS
The controller board comes with other option.
L
HTR
TRANSFORMER
i) Unoccupied Mode
If the dry contact is closed , the Unoccupied mode is activated and vise versa. When Timer On is active, system goes back to Occupied
mode.
The dry contact connection points can be connected in parallel with other fan coil unit ( FCU ) boards. If the dry contact is closed,
Unoccupied mode will be activated on all the fan coil units which are connected in parallel as shown in figure above.
L
HTR
TRANSFORMER
User set speed or lower fan if auto
mode is selected
For Heat pump
For valve control
FAN_P VALVE HEAT
Fan Priority Jumper
Valve Jumper
With Jumper
(Default)
8
Heat Jumper
Without Jumper
Fan Stop when thermostat cut off
For Cooling only
For valveless control
Unoccupied Mode
Anti Freeze Mode
Windows Open Mode
Connect to Level Switch
Load Shedding Mode