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TWO-ZONE MANAGEMENT WIRING DIAGRAM WITH
CAR
AND WIRELESS ROOM PROBE
V2
CAR
can only control zone 1.
V2
The CAR
combined with these boilers together with wireless
V2
room probes can maintain modulating control over the zone
flow temperature.
When using wireless room probes and CAR
terminal boards 40-41 and 57-58 must be maintained.
1
4
10
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 - Wireless Concentrator (optional)
7 - External probe (optional)
, the jumpers on
V2
3
2
5
7
6
8
8 - Flow probe (optional)
9 - CAR
must be connected to termi-
V2
nal boards 44 and 41 respecting the
polarity WITHOUT ELIMINATING
jumper X40
10 - 230 Vac - 50 Hz power supply
11 - Zone 2 Room Thermostat
12 - CAR
(optional)
V2
13 - Zone 1 valve
14 - Zone 2 valve
57
The operating mode of zone 1 must be set on CAR
operating mode of zone 2 shall be set on the boiler zone menu
(see the boiler instruction book).
While using CAR
it is not possible to use the Dominus device
V2
(optional).
14
9
V2
11
12
13
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
, while the
Fig. 7-4
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