
Typical combination boiler installation with Secure
SHP011 time switch and SRT323 room thermostat
This diagram is schematic and should be used for
guidance only.
16
COMBINATION BOILER TERMINALS
E
N
L
REMOVE
LINK IF
FITTED
MAINS
SUPPLY
E
N
L
1
2
3
4
For precise terminal
connection information
please refer to boiler
manufacturer’s instructions
1
4
SRT323
ROOM
STAT
BOILER LIVE OUT
SHP011
TERMINALS
TERMINALS L-5
SHOULD NOT
BE LINKED
5
6
L
N