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,
nually
only by a qualified service technician
the maintenance and care of the boiler desig-
nated in
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. Min-
erals can build up in sections, reducing heat
transfer, overheating 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 —
the boiler before any service operation
boiler except as noted otherwise in this instruc-
tion 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 pro-
ceeding.
Boiler area
1. Verify that boiler area is free of any
line and other flammable vapors and liquids.
2. Verify that boiler area (and air intake) is free of any of the
listed in
nants Table 1
are present 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.
Part Number 550-142-302/0124
inspected and started an-
, page 44, and explained on the
Table 8
petroleum-based cleaning or sealing
in boiler system. Severe damage to
Turn off power to
combustible materials
on page 9 of this manual. If any of these
Boiler Manual
Air openings
1. Verify that combustion and ventilation air open-
ings to the boiler room and/or building are open
and
unobstructed
2. Verify that boiler vent discharge is
. In addition,
free of obstructions
Flue gas vent system
1.
Visually inspect entire flue gas venting system
for blockage, deterioration or leakage. Repair
any joints that show signs of leakage in accor-
dance with vent manufacturer's instructions.
Continual
Pilot and main burner flames
1. Visually inspect pilot burner and main burner
flames as directed under
this manual.
Water piping
1. Check the boiler interior piping and all system
piping for signs of leaks.
2. Repair any leaks before proceeding.
Boiler heating surfaces
on the
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
surfaces by looking through the opening.
4. If the vent pipe or inducer interior show evi-
dence of soot, follow
surfaces
tor and clean 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.
, gaso-
6. Check inside and around boiler for evidence
of any leaks from the boiler. If found, locate
source of leaks and repair.
contami-
.
.
for the above
Failure to inspect
conditions and have them re-
paired can result in severe per-
sonal injury or death.
, Section
Start-up
Cleaning boiler heating
on page 48 to remove the flue collec-
clean and
of
7
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