Immergas V2 - Page 39

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2.6 CONNECTING THE ZONES CONTROL UNIT KIT TO THE BOILER BY MEANS OF A ZONE SIGNAL STATE
Eliminate jumper X40 on the boiler terminal board (see boiler instruction booklet).
IMMERGAS MODELS WITH ZONE SIGNAL STATE OUTLET
Key:
1 - Zones control unit
2 - Boiler terminal board
3 - External probe (optional)
4 - External probe (optional)
5 - 230Vac 50Hz power supply
BR - Brown
BL - Blue
Y/G - Yellow/Green
On boiler models preset for communication with the zones control unit via a signal state, the Zones control unit can be connected to
boiler terminals 40, 41 and 21.
e Zones control unit will receive the following from the boiler:
- Enabling zone mode (Summer, Winter mode, etc.);
- Zone activation request from external devices connected to the boiler.
e boiler will receive the following from the Zones control unit:
- Central heating request from zones.
e Zones control unit must be connected to its own external probe (if necessary).
e mixed zone ow temperature must be adjusted on the zones control unit trimmers.
STD.009285/001