Baxi Luna 3 Comfort, Installers And Users Instructions

Page: 68 / 288

68
926.427.1 - GB inStructionS Pertaining to the inStaller
26. electrical connections to a multi-zone system
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.
0711_2805 /
c
G_1825
iMportant: For a multi-zone system be sure that parameter F04 = 2 (as described in section 20).
Figure 18.1
26.1 - relay card connection
Figure 18
26.2 - connection of zones
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).
RELAy CARD ACCESSORy
bOILER CARD
0711_2804 /
c
G_1840
N zone
(room
thermostat)
3 zone
(room
thermostat)
2 zone
(room
thermostat)
1 zone
solenoid
valve1 zone
rELAY 2
rELAY 1