User Manual
Form #43219020
Sept 2012
C. LOW VOLTAGE (24V) THERMOSTAT CONNECTIONS – MULTIPLE HEATERS PER THERMOSTAT –
(POWER SUPPLIED FROM FAN CENTER RELAY)
D. LOW VOLTAGE (24V) THERMOSTAT CONNECTIONS – MULTIPLE HEATERS PER THERMOSTAT –
(POWER SUPPLIED FROM STEP-DOWN TRANSFORMER)
11) VENTILATION
Where unvented infrared heaters are used, natural or mechanical means shall be provided to supply and
exhaust at least 4 cfm per 1000 Btu per hr input of installed heaters.
Exhaust openings for removing flue products shall be above the level of the heaters.
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