9
29
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 over run
thermostat 87
˚C
• Please note that a permanent live
connection is required to enable
the pump over run and frost
protection. It is also required to
operate the post-purge function
on the burner, when applicable.
• If a permanent live supply is not
provided, the burner will not
operate.
L3
L1
N
L2
C
2
1
L1
N
B4
T1
S3 T2
c
21
C
21
C
L1
N
B4
T1
S3
T2
L1
N
B4
T1
S3 T2
L1 = Switch live
L3 = Permanent live
(5 pin plug)
High temperture limit
thermostat. Reset pin inside.
Screw off cover.
Temperture
control dial.
Max. 80˚C.
Min. 60 ˚C
IMIT dual thermostat
Pump live
Earth
Neutral
Permanent live
Timed / Switch live
Neutral
Earth
Mains connection
Pump connection
5 PIn (dIgItal)