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7
COMMISSIONING
7.1
Warnings
The commissioning of this boiler and sys-
tem must only be undertaken by a Gas
Safety registered engineer in accordance
with the requirements of the Gas Safe In-
stallation and Use Regulations and be ap-
proved 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 fol-
lowing completion of the installation and
commissioning process. Failure to comply
with these requirements may invalidate the
manufacturers guarantee.
For Ireland (IE), it is necessary to complete
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 continu-
ity, 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 5 (Fig. 7.1) on the appli-
ance and check the gas connector on the
- 62 -
COMMISSIONING
appliance for leaks.
Fig. 7.1
7.4
• Close all hot water draw-off taps.
• Open the valves located in the lower part of
the boiler (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 pan-
els" to page 80) and the sealed chamber lid.
• Lift the plug on the automatic air purger
valve 31 in Fig. 7.2 and leave open perma-
nently.
5
Open
position
Filling the d.h.w. system
Initial filling of the system
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