Tjernlund HS-3C Canadian 8504002 Rev 2 09/97 User Manual
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MODEL HS-3C WIRING WITH SINGLE APPLIANCE
The HS-3C Power Venter is equipped with 2 relays. One is used to activate the Power Venter while the other is used to isolate the
Fan Proving Switch from the load of the appliance. The relays and Fan Proving Switch are factory wired for easy installation. The
installer needs to complete 3 steps to wire the Power Venter as noted below:
1. Route the metal conduit from the electrical box to the Power Venter motor and connect the Black, White and Ground wires to the
motor.
2. Connect the Red, Blue and Orange wires in the electrical box to the appliance.
3. Supply 115 VAC to the input wires in the electrical box.
NOTE: The HS-3C as viewed from the opposite end of the shaft should rotate clockwise.
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LADDER DIAGRAM OF HS-3C
FACTORY WIRING OF HS-3C ELECTRICAL BOX