Strebel S-FX 125, Installation Operating & Maintenance Manual

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15.3 Maintenance Checklist
Allowing the boiler to operate with a dirty combustion chamber will hurt operation. Failure to
clean the heat exchanger as required by the manual and dictated by the operating location
could result in boiler failure, property damage, personal injury, or death.
Such product failures ARE NOT covered under warranty
Periodic maintenance should be performed once a year by a qualified service technician to assure that all the
equipment is operating safely and efficiently. The owner should make necessary arrangements with a qualified
heating contractor for periodic maintenance of the heater. The technician must also inform the owner that the lack
of proper care and maintenance of the boiler may result in a hazardous condition.
Maintenance Table
Inspection Activities Date Last Completed
1
st
Year 2
nd
Year 3
rd
Year 4
th
Year
Near Boiler
Piping
Check system and boiler piping for any sign of
leakage.
Take off boiler cover and inspect connections in
boiler for any leaks or corrosion.
Vent / Flue
Check condition of all vent / flue pipe and joints.
Check to ensure vent termination not blocked or
obstructed.
Gas
Check gas piping, test for leaks and signs of aging.
Record gas pressure and note pressure drop upon
start-up. Record CO2 at high and low fire.
Visual and
Temperature Do visual inspection of all system components and
verify programmed temperature settings.
Connections
Check wire connections and make sure they are tight.
Combustion
chamber
Check burner tube and combustion chamber coils.
Clean with nylon brush and vacuum. Avoid
touching white ceramic fibre. Also see
maintenance section of manual.
Spark igniter
Ensure spacing of igniter prongs are aligned properly.
Condensate
trap
Disconnect condensate hose and trap. Ensure no
blockage, rinse and clean out. Fill completely again
with fresh water and re-install.
Relief Valve
Check to make sure it is not weeping.
Pump and
Fan
Listen to sound of the pump and fan. If either makes
noise during operation, it is recommended to replace
the part.
Low water cut-
off
Check the LWC is not leaking and check for right
pressure value by draining the water from the boiler
and comparing the value with a calibrated meter
Equipment.
Homeowner
Question homeowner before maintenance if they have
any issues and after done, confirm activities
you performed during maintenance visit.
Chemical
additions
Check the chemical additives and add or renew if the
mixing ratio is out of spec.
Mixing Ratio
WARNING