Electrical Connections To A Zonal Heating System - Baxi Luna 3+ Operating And Installation Instructions

26. ELECTRICAL CONNECTIONS TO A ZONAL HEATING SYSTEM

The relay board is not a standard boiler component as it is supplied as an accessory. Connect terminals 1-2-3 (common
- normally closed - normally open) of connector Cn1 on the relay board to the respective terminals 10-9-8 on the boiler
terminal board M2 (figure 13).
RELAY BOARD
Figure 13
Connect the contact relative to heating requests in zones that are not controlled by the remote control device in parallel
to terminals 1-2 "TA" on terminal board M1. Remove the jumper.
The zone controlled by the remote control device is managed by the zone 1 solenoid, as illustrated in figure 14.
Figure 14
INSTRUCTIONS PERTAINING TO THE INSTALLER
26.1 CONNECTING THE RELAY BOARD
RELAY BOARD ACCESSORY
RELAY 2
RELAY 1
26.2 CONNECTING THE ZONES
ZONE 1
ZONE 1
REMOTE CONTROL
SOLENOID
ZONE 1
47
ZONE 2 ZONE 3
AMBIENT THERMOSTAT AMBIENT THERMOSTAT
ZONE N
AMBIENT THERMOSTAT
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