17
ES
EN
FR
IT
PT
DE
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.
Wired thermostat
UNO main control board
N˚
Meaning
Power supply
SW2
(only for wireless main control board)
Probe input
Window contact input
Presence contact input
Thermostat connection
(only for wired main control board)
Fancoil control
relays
Y-O
Cooling air demand
W-O
Heating air demand
ON/OFF-O
Fan demand
Fan control
Wireless thermostat
