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926.116.5 - en
INSTRUCTIONS FOR FITTERS
Figure 9
0712_1208 / CG_2008
IMPORTANT:
if fitting a single flue duct, make sure it is adequately insulated (e.g.: with glass wool) wherever the duct
passes through building walls. For detailed installation instructions, consult the technical data provided with the accesso-
ries.
17. ELECTRICAL CONNECTIONS
This machine is only electrically safe if it is correctly connected to an efficient earth system in compliance with current
safety regulations.
Connect the boiler to a 230V single-phase earthed power supply using the supplied three-pin cable, observing correct
LIVE-NEUTRAL polarity.
Use a double-pole switch with a contact separation of at least 3 mm.
When replacing the power supply cable, fit a harmonised HAR H05 VV-F’ 3x0.75mm2 cable with a maximum diameter
of 8 mm.
…Access to the power supply terminal block
r EJTDPOOFDUUIFCPJMFSGSPNUIFNBJOTQPXFSTVQQMZVTJOHUIFUXPQPMFTXJUDI
r SFNPWFUIFUXPTDSFXTàYJOHUIFDPOUSPMQBOFMUPUIFCPJMFS
r SPUBUFUIFDPOUSPMQBOFM
r SFNPWFUIFDPWFSBOEBDDFTTUIFXJSJOHBSFB àHVSF
The 2A fast-blowing fuse is incorporated in the power supply terminal block (to check and/or replace the fuse, pull out
the black fuse carrier).
IMPORTANT:
respect polarity
L
(LIVE) -
N
(NEUTRAL).
(L) =
Live
(brown)
(N) =
Neutral
(blue)
=
Earth
(yellow-green)
(1) (2) =
Contact for ambient thermostat
18. CONNECTING THE ROOM THERMOSTAT
r BDDFTTUIFQPXFSTVQQMZUFSNJOBMCMPDL àHVSFBTEFTDSJCFEJOUIFQSFWJPVTTFDUJPO
r SFNPWFUIFKVNQFSPOUFSNJOBMT BOE
r UISFBEUIFUXPXJSFDBCMFUISPVHIUIFHSPNNFUBOEDPOOFDUJUUPUIFTFUXPUFSNJOBMT