Thermolec Plenum Heater - Manual (Page 7)

ELECTRICAL SECTION (ALL MODELS)
A. Disconnect all power sources before opening electrical boxes and working within.
B. Read the nameplate and markings carefully and consult the wiring diagram before you start wiring.
C. Wires and protective equipment should be sized according to the National Electrical Code requirements.
D. Use only wires suitable for at least 75°C.
E. Disconnect room thermostat connection to furnace and connect to C and W1 terminals of heater.
F. Connect two (2) wires from BB control terminals of plenum heater to furnace room thermostat connection.
G. Connect the fan relay supplied with the heater (terminals F F) to the existing fan controls in order to permit
the functionnning of the fan in the electric mode.
H. Anticipation. Set the room thermostat heat anticipator at 0.2. Perform start-up and required field tests.
(Please see fig. 10) or schematic wiring.
I. Outdoor thermostat. If required install an outdoor thermostat on an exterior north wall and connect to terminals
S1 and S2 in the plenum heater to allow for automatic transfer in the dual energy mode.
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