Weil-McLain CGS-4E Contents, How it works, Hazard definitions, Please read before proceeding

GOLD CGs-4E Gas-Fired Water Boiler — Boiler Manual

Contents
	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

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.

4

Part number 550-110-282/1108