Installation and Operation 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.