INSTALLATION
INSTALLATION & SERVICING INSTRUCTIONS
PRE-COMMISSION CHECKS
28
8 716 115 216b (09.2008)
PRE-COMMISSION CHECKS
CAUTION: ISOLATE THE MAINS SUPPLIES
BEFORE STARTING ANY WORK AND
OBSERVE ALL RELEVANT SAFETY
PRECAUTIONS.
1 Check that the service and water pipes
are connected to the correct valve on the
manifold;
A - CH flow (28mm)
B - Gas inlet (22mm)
C - CH return (28mm)
2
Check all system and boiler drain points
are closed.
3
Check the gas type specified on the
identification plate matches that of the
gas supply.
Turn on the main gas supply and purge
the gas supply to the boiler ensuring that
the room is well ventilated.
Test the gas supply for soundness as
described in BS 6891.
4
Check the flue is correctly fitted and the
connections are secure.
5
Check the condensate pipework is
correctly fitted and connected.
6
Refit inner case cover (J) and secure
with four screws (H).
IMPORTANT: If the boiler is not to be
commissioned immediately then:
after successfully completing all of the
checks and any rectification work, shut
off the gas supply and electrically isolate
the boiler.
Complete the installation part of the
Guarantee Registration Card.
5
2
3
4
H
J
1
ABC
28mm 22mm
28mm
6
COMMISSIONING
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