Electrical Connections To A Multi-Zone System - Baxi LUNA 3 COMFORT MAX Installers And Users Instructions

26. electrical connections to a multi-zone system

26.1 - 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).
instructions pertaininG to the installer
RELAy CARD ACCESSORy
RELAY 2
RELAY 1
26.2 - connection of zones
2 zone
(room
1 zone
thermostat)
solenoid
valve1 zone
70
3 zone n zone
(room (room
thermostat) thermostat)
925.480.1 - GB