Weil-McLain CGi 4 Series Manual page 45

CGi
SERIES 4 — GAS-FIRED WATER BOILER —
10b
Service and maintenance — annual start-up
The boiler should be
, at the beginning of the heating season,
ally
qualified service technician
tenance and care of the boiler designated in
page 44, and explained on the following pages must
be performed to assure maximum boiler efficiency
and reliability. Failure to service and maintain the
boiler and system could result in equipment failure.
Eliminate all system or boiler leaks.
fresh makeup water will reduce boiler life. Minerals
can build up in sections, reducing heat transfer, over-
heating cast iron, and causing section failure. Leaking
water may also cause severe property damage.
Do not use
compounds
boiler will occur, resulting in substantial property
damage.
Electrical shock hazard —
boiler before any service operation
except as noted otherwise in this instruction manual.
Failure to turn off electrical power could result in
electrical shock, causing severe personal injury or
death.
❏
Inspect . . .
Reported problems
Inspect any problems reported by owner and correct before proceeding.
Boiler area
1. Verify that boiler area is free of any
and other flammable vapors and liquids.
2. Verify that boiler area (and air intake) is free of any of the
listed in on page 9 of this manual. If any of these are present
Table 1
in the boiler intake air vicinity, they must be removed. If they cannot
be removed, isolate the boiler and provide outside combustion air. See
national, provincial or local codes for further information.
Air openings
1. Verify that combustion and ventilation air openings to the boiler room
and/or building are open and
Part Number 550-142-302/0520
inspected and started annu-
. In addition, the main-
petroleum-based cleaning or sealing
in boiler system. Severe damage to
Turn off power to the
on the boiler
combustible materials
contaminants
.
unobstructed
Boiler Manual
2. Verify that boiler vent discharge is
of obstructions
Flue gas vent system
only by a
1.
Visually inspect entire flue gas venting system
,
Table 8
for blockage, deterioration or leakage. Repair any
joints that show signs of leakage in accordance with
vent manufacturer's instructions.
Continual
Pilot and main burner flames
1. Visually inspect pilot burner and main burner
flames as directed under
manual.
Water piping
1. Check the boiler interior piping and all system pip-
ing for signs of leaks.
2. Repair any leaks before proceeding.
Boiler heating surfaces
1. Disconnect the vent pipe at the boiler inducer outlet
connection after turning off power to the boiler.
2. Use a bright light to inspect the flue pipe interior
and inducer interior.
3. Inspect the boiler vent outlet area and heating sur-
faces by looking through the opening.
4. If the vent pipe or inducer interior show evidence
of soot, follow
on page 48 to remove the flue collector and clean
, gasoline
the boiler if necessary after close inspection of boiler
heating surfaces. If there is evidence of rusty scale
deposits, check the water piping and control system
to make sure the boiler return water temperature is
properly maintained (per this manual).
5. Reconnect vent to inducer outlet and replace all
boiler components before returning to service.
6. Check inside and around boiler for evidence of any
leaks from the boiler. If found, locate source of leaks
and repair.
clean and free
.
for the above
Failure to inspect
conditions and have them repaired
can result in severe personal injury
or death.
, Section
Start-up 7
Cleaning boiler heating surfaces
of this
45