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Installation and Servicing
Section 2 - Installation
INST
ALLA
TION
2.24 COMMISSIONING AND TESTING
IMPORTANT:
A condition of the manufacturer’s warranty is that Benchmark
commissioning process is completed
.
A. Electrical Installation
Complete preliminary electrical system checks.
B. Gas Installation
1.
The whole of the gas installation, including the meter,
should be inspected and tested for tightness and purged
in accordance with the recommendations of BS.6891.
2.
Purge air from the gas installation by the approved
methods only.
General
The combustion for this appliance has been checked,
adjusted and preset at the factory for operation on the gas
type defined on the appliance data plate.
Do not adjust the air / gas ratio valve.
Check the following:
1. The boiler has been installed in accordance with these
instructions.
2. The integrity of the flue system and the flue seals, as
described in the Flue Installation Section.
Proceed to put the boiler into operation as follows:
1. Check the operational gas inlet pressure.
2. Set up the boiler to operate at maximum rate by opening
hot tap to maximum flow.
3. With the boiler operating in the maximum rate condition
check that the operational gas pressure at the inlet gas
pressure test point complies with the requirements.
4. Ensure that this inlet pressure can be obtained with all
other gas appliances in the property working.
Refer to Gas Supply
page 9
Gas Pressure
Test Point
Gas
Supply
WARNING:
Electrical safety checks should be
carried out by a qualified person.
WARNING:
Open windows, doors and extinguish
flames before starting the next steps. Do not smoke.
Refer to Flow Chart
Page 61