Slant/Fin VHG-100-CH, Installation And Service Manual

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E93.1901EN032 Installation and Service Manual SlantFin VGH-CH / CO
147
Maintenance Checklist
Allowing the boiler to operate with a dirty combustion chamber will be detrimental to its
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 must be performed once a year by a qualified service technician to guarantee that all the
equipment is operating safely and efficiently. The owner must make necessary arrangements with a qualified
heating contractor for yearly maintenance of the boiler. 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
Check condition of all vent pipes and joints.
Check to ensure vent termination is 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 CO
2
at high and low fire.
Visual and
Temperature Do a 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 fiber. See also chapter 18.
Spark igniter Ensure spacing of igniter prongs are aligned properly.
Condensate
trap
Disconnect condensate hose and trap. Ensure there is no
blockage. Rinse and clean out. Fill completely again with
fresh water and re-install.
Relief valve Check to make sure it is not leaking.
Circulator and
fan
Listen to the sound of the circulator and of the fan. If either
makes noise during operation, it is recommended to
replace the part.
Low water cut-
off
Check the low water cut-off (LWCO) is not leaking and
check for right pressure value by draining the water from
boiler and comparing the value with a calibrated meter.
Homeowner
Ask homeowner before maintenance if they have any
issues. After completing maintenance inform homeowner
which activities you performed during maintenance visit.
Chemical
additions
Check the chemical additives and add or renew if the
mixing ratio is out of spec. Check and record the ph of the
fluid in the system
Mixing ratio
Table 18.2
WARNING