Potterton Derwent Compact Plus Installation, Operation & Maintenance Manual page 14

SECTION 5
PAGE 12
Potterton Commercial Customer Commissioning
Check List
The items listed below have been put together as a
guide to what actions should be completed before the
commissioning of a boiler takes place.
1 Site access available for persons carrying out
the proposed work.
2 Site Managers/Personnel aware that work will
be taking place.
3 Boilers correctly erected and cased.
4 Risk Assessments carried out on possible risks
which may effect the persons carrying out the
proposed work.
5 Site wiring complete to boilers.
6 Boilers filled & vented.
7 Controls connected, operable and calling for
heat.
8 Sufficient system heating load available to run
the boilers in order to complete combustion
checks.
9 All system pumps operational and available.
10 Gas supply completed, purged and ready for
use.
11 Flue system complete, adequate and fully
functional.
12 Permanent ventilation complete and adequate.
13 All safety systems fitted and fully operational
(e.g. safety valves, fuel shut off devices, flue
fans interlocked, etc.).
14 Safe working environment provided.
Contravention of Regulations
PLEASE NOTE THAT SHOULD ANY ITEMS BE
INSTALLED ON A TEMPORARY BASIS, E.G.
VENTILATION, FLUES
COMMISSIONING ENGINEER WILL NOT BE ABLE
TO COMMISSION THE BOILER
Commissioning
IMPORTANT: The boiler must be commissioned
following completion of installation. Operation of
an uncommissioned appliance may cause injury
POTTERTON COMMERCIAL PRODUCTS DIVISION
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
ETC, THEN THE
DERWENT COMPACT PLUS - CONDENSING
to personnel and damage to the boiler/burner unit
and could invalidate
warranties.
Commissioning should only be carried out by
personnel approved and competent to do so. This
facility is available from Potterton Commercial Service
Offices at the addresses as listed on the back page of
this manual.
Before commencing
following.
1 Electrical supply is of correct voltage and
polarity and earthing
certification that all electrical checks have been
carried out.
2 Gas supply is tested for soundness and purged
of air. Ensure that the burner is suitable for
connected gas supply and pressure.
3 Test for gas soundness of gas trains.
4 Appliance gas cocks are all turned off.
5 Gas supply is turned on at the meter.
6 Boiler and system are filled with water and
operating pressure is within appliance range.
7 Flow and return valves are open.
8 Any external controls and the on/off switch are
in the "ON" position.
9 The circulating pumps are operational. Check
that the pump is scheduled to run and not on
pump overrun if the boiler has previously been
fired. Check that any flow proving interlocks are
functional.
10 Check that the high limit thermostat has not
tripped by pressing the green reset button
underneath the hexagon cap nut on the fascia.
11 Ventilation is adequate and, in the case of
mechanical ventilation systems, operation of
the boiler is inhibited unless the ventilation fan
is proved.
12 On mechanically assisted flue systems the
operation of the boiler plant should be inhibited
unless the mechanical
operational and flow proved.
13 The safety valve should be checked to ensure
that it is the correct size and pressure.
the manufacturer's
to commission check
is available
flue system
the
with
is