47
Electrical connections
CMethod B
Double zone system with two zone thermostats managing
ON/OFF, user interface managing the unit's mode change.
The hydraulic module is connected with two external
temperature controllers.
• Zone 1 On-Off from input HT - COM
• Zone 2 On-Off from input CL - COM
• Heat-Cool from user interface
CL
HT
COM
RT1
POWER IN
RT2
POWER IN
CN61
CN63
CN31
CN66
CL
COM
HT
The electrical connection of the thermostat should match
the user interface settings. The power supply of the unit
and that of the room thermostat must be connected to
the same neutral line and to the phase line (L2) N (thre-
e-phase units only).
To Next Page
Loading...
Need help?
General