Maintenance Checklist - Slant/Fin VGH-299-CH Installation And Service Manual

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.
WARNING
Such product failures ARE NOT covered under warranty
Periodic maintenance must be performed once a year by a qualified service technician to assure that all the
equipment is operating safely and efficiently. The owner must 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
Near boiler
Check system and boiler piping for any sign of
piping
leakage.
Take off boiler cover and inspect connections in boiler
for any leaks or corrosion
Vent
Check condition of all vent 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 Do visual inspection of all system components and
Temperature verify programmed temperature settings
Connections
Check wire connections and make sure they are tight
Combustion
Check burner tube and combustion chamber coils.
chamber
Clean with nylon brush and vacuum. Avoid touching
white ceramic fiber. Also see maintenance section of
manual
Ensure spacing of igniter prongs are aligned properly.
Spark igniter
Replace non-return valve every year. And be sure it
Replace
is not leaking gas after reassembling.
NRV
Condensate
Disconnect condensate hose and trap. Ensure no
trap
blockage, rinse and clean out. Fill completely again
with fresh water and re-install
Relief Valve
Check to make sure it is not weeping
Circulator
Listen to sound of the circulator and fan. If either
and Fan
makes noise during operation, it is recommended to
replace the part.
Check the LWC is not leaking and check for right
Low water
pressure value by draining the water from the boiler
cut-off
and comparing the value with a calibrated meter.
equipment
Question homeowner before maintenance if they have
Homeowner
any issues and after done, confirm activities
you performed during maintenance visit
Check the chemical additives and add or renew if the
Chemical
mixing ratio is out of spec.
additions
Mixing Ratio
E93.1601EN032.C VGH installation manual
Date Last Completed
nd rd
st
2 Year 3
1 Year
th
Year 4 Year
Table 19. 2
117