GOLD CGs 
6 Field wiring
For your safety, turn off electrical power supply at service entrance panel before making any electrical
connections to avoid possible electric shock hazard. Failure to do so can cause severe personal injury or death.
Wiring must be N.E.C. Class 1.
If original wiring as supplied with boiler must be re- placed, use only type 105°C wire or equivalent.
Boiler must be electrically grounded as required by National Electrical Code ANSI/NFPA 70 – latest edi- tion.
Thermostat
1.Connect thermostat as shown on wiring diagram on boiler.
2.Install on inside wall away from influences of drafts, hot or cold water pipes, lighting fixtures, television, sunrays, or fireplaces.
3.If thermostat has a heat anticipator, set heat antici- pator in thermostat to match power requirements of equipment connected to it. If connected directly to boiler, set for 0.4 amps. For other devices, refer to manufacturer’s specifications. Wiring diagram on boiler gives setting for control module and gas valve. Also see instructions with thermostat.
Electrical installation must comply with:
1.National Electrical Code and any other national, state, provincial or local codes or regulations.
2.In Canada, CSA C22.1 Canadian Electrical Code Part 1, and any local codes.
Wiring connections
Boiler is shipped with controls completely wired.
Junction Box (furnished)
1.Connect 120 VAC power wiring as shown in
Figure 15.
2.Fused disconnect or service switch (15 amp. recom- mended) may be mounted on this box. For those installations with local codes which prohibit installa- tion of fused disconnect or service switch on boiler, install a 2 x 4 cover plate on the boiler junction box and mount the service switch remotely as required by the code.
The CGs control module is
Figure 15 Field wiring connections — service switch and thermostat (or end switch) provided by installer
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Part number
