Boiler Commissioning - Potterton NXR4 Installation, Operation & Maintenance Manual

POTTERTON COMMERCIAL PRODUCTS DIVISION
INSTALLATION, OPERATION & MAINTENANCE MANUAL
NXR4
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 and 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
(if applicable).
11 Oil supply completed, bled and ready for use (if
applicable).
12 Flue system complete, adequate and fully
functional.
13 Permanent ventilation complete and adequate.
14 All safety systems fitted and fully operational (e.g.
safety valves, fuel shut off devices, flue fans
interlocked, etc.)
15 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 LEAVE THE BOILERS
COMPLETION OF
BOILERS WILL NEED TO BE SHUT DOWN
MAKING THEM INOPERABLE AND SHUT DOWN
AND WARNING NOTICES WILL BE ISSUED.
ETC, THEN THE
RUNNING UPON
COMMISSIONING. THE

BOILER COMMISSIONING

A lifetime guarantee is available on this boiler when
erection and commissioning is carried out by the
Potterton service department. Please refer to our
standard terms and conditions for further details.
IMPORTANT: The boiler must be commissioned
following completion of the installation. Operation
of an uncommissioned appliance may cause
injury to personnel
boiler/burner unit and
manufacturers 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.
Commissioning of the burner unit should be carried
out in accordance with the burner manufacturers
handbook provided with combustion adjustments in
accordance with the Potterton burner card also
provided.
Before commencing to commission the burner check
the following.
1 Electrical supply is of correct voltage and polarity
and earthing is available with certification that all
electrical checks have been carried out.
2 Fuel supply is tested for leakage and purged of
air. Ensure the burner is suitable for the
connected fuel supply and pressure, and purging
certificates have been filled in.
3 Boiler and system are filled with water and the
operating pressure is within the appliance range.
4 Pumps are operational and any flow proving
interlocks are functional. The operation of the
pump should be checked, particularly on sealed
systems, to ensure that operation does not cause
a reduction in pressure within the system below
the minimum operating pressure.
5 Ventilation is adequate and, in the case of
mechanical ventilation systems, operation of the
boiler is inhibited unless the ventilation fan is
proved.
6 On mechanically assisted flue systems the
operation of the boiler plant should be inhibited
unless the mechanical flue system is operational
and flow proved.
SECTION 5
PAGE 25
and damage to the
could invalidate the