Weil-McLain GOLD CGa Manual page 32

GOLD CGa Gas-Fired Water Boiler — Boiler Manual
6d
Start-up — verify operation
Check burner flames
Pilot burner flame (
PROPER pilot flame
2. Inner cone engulfing thermocouple (standing pilot)
or pilot flame sensor (spark-ignited pilot).
3. Thermocouple or pilot flame sensor glowing cherry
red.
IMPROPER pilot flame
1. Overfired — Large flame lifting or blowing past pilot
flame sensor.
2. Underfired — Small flame. Inner cone not engulfing
pilot flame sensor.
4. Incorrectly heated pilot flame sensor.
Main burner flame (
PROPER main burner flame
dust).
IMPROPER main burner flame:
1. Overfired — Large flames.
2. Underfired — Small flames.
(sooting will occur).
Check vent damper operation
1.
damper actuator will slowly open vent damper.
2.
will open and main burners will ignite. (Spark-ig-
nited pilot controls will first light pilot, then allow
main burners to ignite.)
3.
will go out, then vent damper will close.
4.
operation.
32
or for operation and lighting/operating information.
)
)
— Main gas valve
before main burners light. If vent
damper does not fully open, flue
products such as carbon monoxide
will escape into house, causing se-
vere personal injury or death.
— Main burner flames
several times to verify
Typical pilot burner flame
Typical main burner flame
5. Return thermostat to normal setting.
6. Set thermostat heat anticipator setting indicated on
wiring diagram.
Check vent system operation
heating season. With boiler firing, hold candle or
flame does not blow out, but burns undisturbed,
vent system is functioning properly. If flame blows
out or flickers drastically, inspect vent system for
obstructions or other causes of improper venting
(such as exhaust fans in boiler room).
Part Number 550-101-009/0107