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11 - GENERAL MAINTENANCE AND CLEANING
11.11 Safety Flue Thermostat -
DO NOT disable this
safety device.
overheats.
After verifying the cause of the trip, press
for about 2
seconds.
11.12 Flue Pressure Switch (125-150 Only)
DO NOT disable this safety device.
This device, positioned inside the sealed chamber,
exceeds 1.6 in w.c. (4 mbar).
Verify if vent is blocked before resetting the boiler.
11.10 User Information
Advise and demonstrated to User the following important
information:
A.
system controls.
B. Importance of annual servicing of boiler to ensure safe
C. Servicing or replacement of parts shall be carried out
D.
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.
boiler, and electrical supply to boiler must be left on
for thermostat to operate.
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.
NOTICE
When servicing the appliance, check the condition and
necessary.
11.13 Replacement Parts
Perform Automatic Calibration procedure described in section
9.8 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
•
• Burner
• Flame sensing electrode
• Control Parameter Key
240013360
REV A [07/01/2021]
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