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Part number 550-110-260/0107
26
GOLD CGs Gas-Fired Water Boiler — Boiler Manual
Field wiring6
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.
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.
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.
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.
Figure 15
Field wiring connections —
service switch and thermostat
(or end switch)
provided by installer
The CGs control module is polarity-sensitive. The hot and neutral wires must be connected to
the correct leads. A flashing POWER light usually indicates reversed polarity of 120 VAC lead
wires.