Connecting Electrical Supplies 49
9.6.2 Connecting the Junction Box Connection (Y Plan)
The boiler is designed to be connected to a junction box (Y Plan). The Junction box cables are connected to the terminals 1-5 of the
CONM4 in the AC application part and the CONZ3 (POWER OUT) in the AC power line part.
Cylinder Stat
Gr
ey
Orange
3-Port Mid
Position
Zone Valve
1
2
C
White
Room Stat
2
1
3
1
2
3
4
5
6
7
8
9
10
Gr
een/Y
ello
w
Blue
1
2
3
4
1
2
3
$0/.
$0/; 108&3065
Boiler
Terminal
Block
CH_ON
DHW_ON
DHW_OFF
Switched
Live
L
N
PE
L
N
PE
AC Application and
AC Power Line Parts
Wiring
Centre
L
5
CH_ON
DHW_ON
DHW_OFF
Switched Live
L
Summary of Contents for LCB700-21RS
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