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9.4 - sIlver utIlIty - WIrIng
eleCtrICal suPPly
230v 50Hz mains electric supply protected with a 5a fuse.
this appliance must be earthed.
a qualified electrician must carry out all electric wiring in accordance with current I.e.e Regulations and any local
regulations which may apply.
The mains electrical supply must be taken from a double pole isolating switch with a 5a fuse, positioned somewhere close
to the boiler. a heat resisting cable must be used which can be routed into the boiler through the access provided on either
side of the base. ancillary controls may be provided for with terminal connections in the control panel.
Use heat resistant cable. Protect supply with 5A fuse.
Pump live
Earth
Neutral
Permanent live
Timed / Switch live
Neutral
Earth
Power to burner
High temperture limit thermostat.
Reset pin inside. Screw off cover.
Temperture
control dial.
Max. 80˚C.
Min. 60 ˚C
IMIT dual thermostat
L1 switch live
Pump over run thermostat 87
˚C
L2 remote lockout lamp
• Please note that a permanent live
connection is required for the
pump over-run thermostat.
• If a permanent live supply is not
provided, the circulating pump
will stop should the boiler
temperature exceed 87˚C.
Mains connection
Pump connection
Power to burner
High temperture limit thermostat.
Reset pin inside. Screw off cover.
Temperture
control dial.
Max. 80˚C.
Min. 60 ˚C
IMIT dual thermostat
Pump over run thermostat 87
˚C
L1 switch live
• Please note that a permanent live
connection is required for the
pump over-run thermostat and
post-purge function on the burner.
• If a permanent live supply is not
provided, the burner will not
operate.
Pump live
Earth
Neutral
Permanent live
Timed / Switch live
Neutral
Earth
L3 permanent live
Mains connection
Pump connection
4 PIn (analogue)
5 PIn (dIgItal)
