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7
COMMISSIONING
7.1
Warnings
The commissioning of this boiler and
system must only be undertaken by a
Gas Safety registered engineer 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 Log Book is
satisfactorily completed during the com-
missioning process. The Log Book 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 fi nding procedure should be followed
as specifi ed 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 ap-
pliance and check the gas connector on
COMMISSIONING
the appliance for leaks.
Fig. 7.1
7.4
• Open the c.h. fl ow and return valves.
• Remove the front and side panels of the
case ( section "Dismantling the external
panels" to page 73 ) and the sealed cham-
ber lid.
• Unscrew the condensing heat exchanger
air purger valve 18 ( Fig. 7.2 ).
Fig. 7.2
5
Open
position
Initial fi lling of the system
When fi tting the boiler into a
sealed system, it will be neces-
sary to fi t an expansion vessel,
pressure gauge and pressure
relief valve, external to the boil-
er. These items are available
from most plumbing suppliers.
18
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