© MHG Heating Ltd
48
MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR
Telephone 08456 448802 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk
020315 Draft
Fan Speeds and Modulation rates
Routine Inspection and Servicing
As with all Gas Appliances, we would highly recommended that a competent heating engineer services the ProCon
MCS, at least every 12 months. This is assuming a normal daily usage of 8 – 10 hours.
If however the boiler is to be operated 24 hours a day, 7 days a week, we would recommend services every 6
months.
If the Installer/Commissioning Engineer is unable to undertake the Routine Service Inspection, as detailed in the
following, please contact the MHG Technical Department, who will be able to arrange the Routine Service Inspection
to be undertaken.
Routine Service Inspection
Before commencing any service/maintenance work, the following tasks must be undertaken.
a) Ask the end user about any problems with the operation of the boiler unit and note their comments.
b) Check the water pressure of the installation.
c) Remove the boiler casing and visually inspect all pipe and water joints for signs of leakage.
d) Inspect the top of the casing and the top of the heat exchangers for signs of water leakage or ingress.
e) Run the unit in Commissioning Mode HIGH FIRE; with the use of a flue gas analyzer record the CO2 level.
f) Run the unit in Commissioning Mode LOW FIRE; with the use of a flue gas analyzer record the CO2 level.
g) Listen to the sound of the combustion fan. Utilizing the appliances fascia review the units Operating Error
Codes, and note the recorded codes onto the Service Report.
h) Undertake a System Water Analysis to check the concentration level of the Water Treatment, and note the
level onto the Service Report.
i) Check the flue route including the terminal position for conformity with prevailing regulations, and trim back
any foliage that may be around the terminal.
j) Check the plant room/compartment ventilation system for conformity with prevailing regulations.
k) Check the Pressure (Safety) Relief Valve size, rating and orientation, for conformity with prevailing regulations.
The results of the Inspections undertaken above must be acted upon, and all discrepancies should be recorded on
the Service Report and brought to the Client / End User’s attention.
Undertake any maintenance, and if necessary any preventative maintenance, that’s required.
Output of 1
st
Module During Ignition
of 2nd
(57 pages)
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