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45
SECTION 10: WIRING
DANGER
Electrical Shock Hazard
Disconnect electric before service.
Heater must be properly earthed.
Failure to follow these instructions can result in
death or electrical shock.
Heaters can be controlled using several methods.
Normally thermostats are used to control the heaters,
but they can also be controlled by an energy
management system. “10.1 Line Voltage Thermostat
Wiring” illustrates the connection for heaters
controlled by a line voltage thermostat.
For heaters on a low voltage thermostat, see “10.2
Low Voltage Thermostat Wiring” on page 46.
Heaters must be grounded in accordance with
applicable codes:
United States:
Refer to National Electrical Code®
NFPA 70 — latest revision.
Canada:
Refer to Canadian Electrical Code CSA C22.1
Part I — latest revision.
If any of the original internal wiring must be replaced,
it must be replaced with wiring materials having a
temperature rating of at least 105 °C and 600 volts.
10.1 Line Voltage Thermostat Wiring
LINE VOLTAGE THERMOSTAT
120 V, 60 HZ
SUPPLY CIRCUIT
L
N
GND.
BURNER 1
BURNER 2
GND.
GND.
ADDITIONAL
BURNERS
MAXIMUM 5 BURNERS
PER THERMOSTAT
N
N
L
L
Summary of Contents for IRH
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