© MHG Heating Ltd
50
MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR
Telephone 08456 448802 Fax 08456 448803 Email
Web www.mhgheating.co.uk
020315 Draft
l)
Clean with abrasive material and inspect the ignition electrode. Replace if necessary. Adjust the spark gap to
4mm.
m)
Check the combustion fan blades for debris build-up. Remove any debris with a soft bristle brush or
preferably compressed air.
DO NOT TOUCH OR SPIN THE FAN BLADES WITH YOUR FINGERS AS THIS COULD AFFECT THE BALANCING OF
THE FAN BLADES.
n)
Re-fit the Burners, in the reverse order of dismantling, ensure that all electrical connections are correctly and
securely connected.
o)
Inspect all water joints. Any joints found to be leaking MUST be replaced. It is also advisable when replacing
water joints to also change any adjacent joints at the same time.
p)
Inspect all gas joints with a suitable leak detection method. Any joints found to be leaking MUST be replaced.
It is also advisable when replacing gas joints to also change any adjacent joints at the same time.
q)
Via the tappings on the boiler connector adapter, elbow or straight a flue gas recirculation check must be
undertaken when the boiler is operating on high and low fire modes.
r)
Drain and clean the condensate syphon assembly. Check the operation of the level pressure switch.
s)
If fitted inspect and clean the condensate neutralising tank, replenishing the neutralising granules as
required. Granules available from MHG Heating Ltd Spares Department.
t)
With the use of a suitable Flue Gas Analyser, check and adjust the combustion settings, as detailed in the
previous commissioning section.
u)
Inspect the general condition of the flue system, including the termination, repair as necessary or advise on
any remedial action as required.
