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7
COMMISSIONING
7.1
Warnings
The commissioning of this boiler and
system must only be undertaken by a
professionally qualified person in ac-
cordance with the requirements of the
Gas Safe Installation and Use Regula-
tions and be approved by Gas Safe.
Ensure that the Benchmark Checklist is
satisfactorily completed during the com-
missioning process. The Checklist is
located at the end of this manual. This
manual should be handed to the User
following completion of the installation
and commissioning process. Failure to
comply with these requirements may in-
validate the manufacturers guarantee.
For Ireland (IE), it is necessary to com-
plete a "Declaration of Conformity" to
indicate compliance to I.S.813.2002.
7.2
Electrical installation
Preliminary electrical system checks to en-
sure electrical safety shall be carried out by
a competent person. i.e. polarity, earth con-
tinuity, resistance to earth and short circuit.
If a fault has occurred on the appliance the
fault finding procedure should be followed
as specified in the service manual.
7.3
Gas supply installation
• Inspect the entire installation including the
gas meter, test for tightness and purge, all
as described in BS 6891;
For Ireland (IE), refer to I.S.813.2002.
• Open the gas cock 13 (Fig. 7.1) on the ap-
pliance and check the gas connector on
COMMISSIONING
the appliance for leaks.
Fig. 7.1
7.4
• Close all hot water draw-off taps.
• Open the cold water inlet valve 12 (Fig. 7.1).
• Slowly open each draw-off tap and close
it only when clear water, free of bubbles,
flows out.
7.5
• Open the c.h. flow and return valves.
• Remove the front and side panels of the
case (section "Dismantling the external
panels" to page 55) and the sealed cham-
ber lid.
• Unscrew the condensing heat exchanger
air purger valve 17 (Fig. 7.2).
13
Open position
Filling the d.h.w. system
Initial filling of the system
12
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