61
11.11 Safety Flue Thermostat -
DO NOT disable this
safety device.
temperature 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, interrupts ow of
gas to the burner if ue pressure 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
C. Servicing or replacement of parts shall be carried
D. Ensure boiler controls and room thermostat, if
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
must be left on for frost protection 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.
11 - GENERAL MAINTENANCE AND CLEANING
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
• Spark electrode
NOTICE
When servicing the appliance, check the condition
replace it if necessary.
240013375 REV A, [07/01/2021]
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