MULTIPLE ZONE MANAGEMENT WIRING DIAGRAM
WITH CAR
AND ROOM THERMOSTATS
V2
CAR
can only control zone 1.
V2
To control more zones in addition to the one controlled by CAR
it is necessary to connect in parallel the zone enabling contacts
on the zone 2 room thermostat input terminal boards (57-58).
Relay 2 must be configured as "Zone2".
Please note that the consent to switch on the heating of each zone
is managed in 'AND' between the Room Thermostat contact and
the zone program. If you want to use only the Room Thermostat
1
4
9
Key:
1 - Integrated P.C.B.
2 - Relay board
3 - Relay settings:
Relay 1 = Zone 1
Relay 2 = Zone 2
4 - Connection terminal board 230 V
5 - Low voltage connection terminal
board
6 - External probe (optional)
7 - Flow probe (optional)
8 - CAR
must be connected to termi-
V2
nal boards 44 and 41 respecting the
polarity WITHOUT ELIMINATING
jumper X40
V2
2
3
5
6
7
8
9 - 230 Vac - 50 Hz power supply
10 - Room Thermostat portion A of zone
2
11 - Room Thermostat portion B of zone
2
12 - Room Thermostat portion N of zone
2
13 - Zone Valve portion A of zone 2
14 - Zone Valve portion B of zone 2
15 - Zone Valve portion N of zone 2
16 - Line
17 - Neutral
18 - Zone 1 valve
58
control, the operating mode of each zone must be set on the
boiler zone menu as 'MAN' (see the boiler instruction book).
The jumper must be kept on terminals 40 and 41.
For this type of connections, the CAR
have adequate feedback when there is a request for CAR
While using CAR
it is not possible to use the Dominus device
V2
(optional).
10
13
modulating function will
V2
11
12
14
15
18
Colour code key:
BK - Black
BL - Blue
BR - Brown
G - Green
GY - Grey
OR - Orange
P - Purple
PK - Pink
R - Red
W - White
Y - Yellow
Fig. 7-5
only.
V2
16
17