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11.9 User Information
Advise and demonstrate to User the following important
information:
a. Turn Boiler on and off. How to operate system
controls.
b. Importance of annual servicing of boiler to ensure safe
and efficient operation.
c.
Servicing or replacement of parts shall be carried out
by a qualified personnel.
d. Ensure boiler controls and room thermostat, if fitted,
are set to User's requirements.
e. Tell User about sealed system pressure.
f.
Tell User if display is active and boiler has not
operated for 24 hours for heating or hot water, the
pump will automatically operate for 1 minute.
g. Explain to User an internal frost thermostat is fitted in
boiler, and electrical supply to boiler must be left on
for thermostat to operate. Frost protection protects
the boiler, not the system.
h. Show User position of pressure relief valve discharge
pipe.
i.
Leave this Installation, Operation and Maintenance
Manual with User for use on future calls.
11.10 Safety Flue Thermostat -
safety device.
Safety Flue Thermostat found on the flue inside the boiler,
interrupts flow of gas to the burner if the temperature
overheats.
After verifying the cause of the trip, press
seconds.
11 - GENERAL MAINTENANCE AND CLEANING
disable this
DO NOT
for about 2
When servicing the appliance, check the condition and
position of flame sensing electrode and replace it if
necessary.
11.11 Replacement Parts
Perform Combustion Check procedure described in this
manual if one or more of the following components are
replaced. Check and adjust CO2% value as indicated in the
Combustion Table.
Components replaced:
• Primary heat exchanger
• Fan
• Gas valve
• Gas nozzle
• Burner
• Flame sensing electrode
11.12 Gasket Kit
Before beginning service on the boiler ensure that a
maintenance service kit is on hand to replace gaskets that
have been opened.
83
NOTICE
PN 240012363 REV. A [08/31/2018]
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