Weil-McLain CGS-4E Boiler User Manual


 
Part number 550-110-282/1108
4
GOLD
CGs-4E Gas-Fired Water Boiler — Boiler Manual
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 it works ....................................................2–3
Hazard definitions ............................................... 4
Please read before proceeding ............................ 5
1 Prepare boiler location ...................................6–11
2 Prepare boiler ...............................................12–13
3 Water piping .................................................14–23
4 Venting & combustion air ................................... 24
5 Gas piping ......................................................... 25
6 Field wiring ....................................................... 26
7 Start-up ........................................................27–30
8 Check-out procedure ......................................... 31
9 Operation .....................................................32–36
10 Service and maintenance .............................37–42
11 Troubleshooting ............................................43–53
12 Replacement parts .......................................54–61
13 Dimensions and ratings ................................62–63