page no. 36 of 68
CP
x Range Users, Installation & Servicing Instructions Doc Ref M201 issue 2.9 Nov 2018.
Gas Safety (Installation & Use) (Amendment)
Regulations
It is law that all gas appliances are installed,
adjusted and, if necessary, converted by
qualified persons* in accordance with the
current issue of the above regulations.
Failure to install appliances correctly can lead to
prosecution. It is in your own interests and that of safety
to ensure that the law is complied with.
* Gas Safe Registered Engineer
The CPx cabinet heater will be despatched preset and fully
tested to our most up to date test procedures.
Checks to ensure electrical safety must be carried out by
a qualified person.
For new installations, the whole of the gas installation,
including the meter, should be inspected and tested
for soundness and purged in accordance with the
recommendations of IGE/UP/1 (Edition 2) or IGE/UP/2A
as appropriate.
The whole of the oil installation, including the tank,
should be inspected and tested in accordance with the
recommendations of OFTEC.
The system should be checked to ensure that the
installation work has been carried out in accordance with
the design requirements.
Particular attention should be given to the correct
arrangement of delivery ducts and registers, return air
ducts and grills and general adequacy of return air paths.
For CPx*/D heaters ensure that the total duct system
resistance does not exceed the available air pressure of
the equipment supplied - refer to section 1.2. If the duct
system resistance is less than the available air pressure
of the equipment supplied additional resistance must
be introduced e.g. by adjustment of duct outlet nozzles
and balancing of the duct system. Conversely if the
duct system resistance is greater than the available air
pressure of the heater supplied the system resistance
must be reduced.
NOTE:
The limit thermostat interlock relay may
require resetting after loss of the electrical
supply to the heater regardless of whether the
limit thermostat has operated.
NOTE:
Refer also to the burner instruction
booklet supplied with the heater. This provides
information on how to adjust the burner,
setting up the air pressure switches, system
checks and fault finding detail.
IMPORTANT:
DO NOT use burner settings from the
burner instruction booklet. The burners are
specifically adjusted for Powrmatic heaters,
only use the settings in these instructions.
1. Ensure the gas service valve at the inlet to the gas
controls assembly is shut.
2. To prove soundness of the first main safety shut-off
valve:-
a) Connect pressure gauge to the inlet pressure test point
on the main valve block or inlet pipework.
b) Open gas service valve and allow pressure to stabilize
before shutting it again. The valves are sound if no
pressure drop is observed. If a pressure drop is observed
do not proceed until the fault has been rectified. Remove
pressure gauge and refit sealing screw in pressure test
point. If any adjustments have been made, re-check both
high and low fire once more.
1. Ensure that the gas service valve is closed and that the
main electrical supply to the heater is switched off.
2. Start the burner by setting the time clock and
thermostat to call for heat or complete the external
control circuit.
3. Turn ON the main electrical supply and check that the
following sequence of events occurs.
i) Burner fan runs.
ii) Ignition spark is heard.
iii) Main gas valves open and main gas flame is
established.
