Heatpac - FireBird Envirogreen Heatpac 12-18kW Technical Manual

9
9.1 envIrogreen HeatPaC - WIrIng
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.
5 PIn (dIgItal)
Bi metal frost
thermostat
5˚C/14˚C
eleCtrICal suPPly
Pump over run thermostat 87˚C
Timed / Switch live
Neutral
Temperature control
Burner plug
Use heat resistant cable. Protect supply with 5A fuse.
L1 switch live
L3 permanent live
Power to burner (5 pin plug)
Permanent live
Neutral
Earth
Earth
Pump live
Mains connection Pump connection
High limit re-set button
7 pin plug
Power supply & pump
27
High temperture limit thermostat.
Reset pin inside. Screw off cover.
IMIT dual thermostat
Temperture
control dial.
Max. 80˚C.
Min. 60 ˚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.