Electrical Connections To A Multi-Zone System - Baxi LUNA3COMFORT Installers And Users Instructions

27. ELECTRICAL CONNECTIONS TO A MULTI-ZONE SYSTEM

27.1 - RELAY CARD (SUPPLIED AS AN ACCESSORY) CONNECTION)
The relay card is not included but is supplied as an accessory.
Connect terminals 1-2-3 (common-normally closed - normally open) of connector CN1 to terminals 10-9-8 of the boiler
terminal block M2 (figure 18).
BOILER CARD
Figure 18
Connect the switch controlling those zones not controlled by the remote control in parallel to the "TA" terminals 1-2 of
terminal board M1 as shown in figure below. The zone controlled by the remote control is supplied by the zone 1 sole-
noid valve, as shown in figure 18.1.
The remote control automatically controls room temperature in its own zone.
Figure 18.1
IMPORTANT: For a multi-zone system be sure that parameter F04 = 2 (as described in section 20).
RELAY CARD ACCESSORY
RELAY 2
RELAY 1
27.2 - CONNECTION OF ZONES
2 zone
(room
1 zone
thermostat)
solenoid
valve1 zone
32
3 zone N zone
(room (room
thermostat) thermostat)
925.220.4 - EN