COMMISSIONING
INSTALLATION & SERVICING INSTRUCTIONS
32
PRE-COMMISIONING CHECKS
8 716 115 219c (03.2010)
PRE-COMMISIONING 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 (22mm)
B - DHW flow (22mm)
C - Gas inlet (22mm)
D - Mains water inlet (22mm)
E - CH return (22mm)
2
Check the gas type specified on the
identification plate matches that of the
gas supply.
Turn on the main gas supply, check the
gas pipework, connections and rectify any
leaks.
3 Check the flue is correctly fitted and the
connections are secure.
4
Check the condensate pipework is
correctly fitted and connected.
5
Check the CH circulating pump is set to
3.
Note: The CH circulating heating pump is preset
to number '3' and should not be altered.
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.
1
3
4
5
2
ABCDE
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