WARNING. Whilst effecting the required gas tightness test and purging air from the gas installation,
open all windows and doors, extinguish naked lights and DO NOT SMOKE.
32
COMMISSIONING AND TESTING
GENERAL
Please Note: The combustion for this appliance has
been checked, adjusted and preset at the factory for
operation on the gas type dened on the appliance
data plate. No measurement of the combustion is
necessary. DO NOT adjust the air/gas ratio valve.
Having checked:
- That the boiler has been installed in accordance
with these instructions.
- The integrity of the ue system and the ue seals,
as described in the Flue Installation section.
Proceed to put the boiler into operation as follows:
CHECK THE OPERATIONAL (WORKING) GAS
INLET PRESSURE
Set up the boiler to operate at maximum rate by
referring to Frame 38, Service
Mode Maximum Rate. this mode
will operate the boiler at maximum
heat output to ensure the boiler is
operating at maximum this must
be carred out when the system is
cool.
With the boiler operating in the
maximum rate condition check
that the operational (working)
gas pressure at the inlet gas
pressure test point complies with
the requirements - refer to “Gas
Supply” on page 8.
Ensure that this inlet pressure
can be obtained with all other gas appliances in the
property working.
ATTENTION !
IT IS A CONDITION OF THE MANUFACTURERS WARRANTY THAT THE
BENCHMARK COMMISSIONING CHECKLIST IS FULLY COMPLETED
AND LEFT WITH THE APPLIANCE
A. Electrical Installation
1. Checks to ensure electrical safety should be carried out by a
competent person.
2. ALWAYS carry out the preliminary electrical system checks,
i.e. earth continuity, polarity, resistance to earth and short
circuit, using a suitable test meter.
3. After wiring the boiler, all grommets in the bottom panel
MUST be in place to ensure that boiler case sealing is
maintained.
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.
In IE refer to IS.813:2002.
2. Purge air from the gas installation by the approved methods
only.
INSTALLATION