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4
4.2 systeMPaC - installeR guiDelines
Power to burner
Pressure
switch
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
Pump live
Earth
Neutral
Permanent live
Timed / Switch live
Neutral
Earth
Burner plug
L3 = Permanent live
L1 = Switch live
Please note a permanent live connection is
required to operate the post-purge function on
the burner and the pump over-run thermostat.
If a permanent live supply is not provided,
the burner will not operate. There is no frost
protection and the pump will stop working if
the temperature in the boiler exceeds 87˚C.
Bi metal frost
thermostat
5˚C/14˚C
Mains Connection
Pump Connection
25
WiRing
electrical supply
the boiler and controls require a 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 ETCI / IET Regulations and any local
regulations which may apply.
The boiler must have a permanent power supply to enable
overrun and frost protection. The hot water and central
heating should be timed separately.
tHeRMostat teMPeRatuRe ContRol
The Systempac has a build in frost protection (unit only).
Pump live
Earth
Neutral
Permanent live
Timed / Switch live
Neutral
Earth
Mains Connection
Pump Connection
Bi metal frost
thermostat
5˚C/14˚C
Pump over run thermostat 87
˚C
High temperture
limit thermostat.
Reset pin inside.
Screw off cover.
Temperture
control dial.
Max. 80˚C.
Min. 60 ˚C
IMIT dual thermostat
Power to burner
4 Pin (analogue)
4
5 PIN (DIgITAL)