Weil-McLain CGA25SPDN Boiler User Manual


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GOLD CGa Gas-Fired Water Boiler — Boiler Manual
4
Part Number 550-101-009/0107
Contents
Hazard definitions
The following defined terms are used throughout this manual to bring attention to the presence of hazards of
various risk levels or to important information concerning the life of the product.
Indicates presence of hazards that WILLCAUSESEVERE personal injury, death or substantial
property damage.
Indicates presence of hazards that CANCAUSESEVERE personal injury, death or substantial
property damage.
Indicates presence of hazards that WILLORCANCAUSEMINOR personal injury or property dam-
age.
Indicates special instructions on installation, operation or maintenance that are important but
not related to personal injury or property damage.
How is works .................................................... 2-3
Hazard definitions ............................................... 4
Please read before proceeding ............................ 5
1 Prepare boiler location ...................................6–11
2 Prepare boiler ............................................... 12-15
3 Water pi ping ................................................. 16-25
4 Gas pi ping ......................................................... 26
5 Field wiring ....................................................... 27
6 Start-up ........................................................ 28-32
7 Check-out pr ocedure ......................................... 33
8 Operation – standing pilot boilers ................. 34-36
9 Operation – spark-ignited pilot boilers .......... 37-43
10 Service and maintenance ............................. 44-49
11 Troubleshooting:
Standing pilot boilers ............................. 49-50, 51
Spark-ignited pilot boilers .................49-50, 51-59
12 Replacement parts ....................................... 60-65
13 Dimensions and ratings ................................ 66-67
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