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CONNECTION
Important: Respect the color code for all the system elements.
1.- Connecting the thermostat
If using a wired thermostat, connect it to the corresponding terminal of the main control board. Use (2x0.5+2x0.22 mm
2
)
Airzone wire. In case of Wireless thermostat, check it has the battery on.
2.- Connection with the unit through control relays
Connect the main control board with the unit to control according the installation type:
2-pipe installation 4-pipe installation
Control relay specs: I
max
= 10 A at 110/230 Vac, voltage-free. Note that to control elements with a greater power, it is
recommended to use contactors in accordance with the power required.
SW2 (only for wireless main control board)
Thermostat connection (only for wired main control board)
Fancoil control
relays
Cooling air demand
Heating air demand
Fan control