PERMANENT WIRING INSTALLATION
WARNING:
TO AVOID ANY RISK OF FIRE AND ELECTRIC SHOCK. Make sure the Main circuit breaker and power
supply cord is disconnected before servicing. Electric shock may cause serious injury. It is
recommended that installation should be conducted by a Licensed Electrician.
PROCEDURE FOR PERMANENT WIRING
POWER SOURCE: 120V AC, 60Hz single phase
1. Turn off the Main circuit breaker. Disconnect power supply cord from the power source.
2. Remove the two (2) screws and Junction box cover on the back side of unit.
3. Disconnect the ground wire (green) from the power supply cord bracket.
4. Disconnect the two power supply wires from Junction box terminal.
5. Squeeze the strain relief bushing with an adjustable pliers to remove the plastic bushing from the unit (right side).
Remove the power supply cord.
6. Remove the Hole cap on the back side of the unit and put it in hole of the right side where the power supply cord
was installed.
7. Use at least AWG 14/2 gauge copper wire to the Junction box, feed wire through hole to the right of Junction box
Cover and use 1/2 inch clamp connector to secure to Heat convector cabinet.
8. Affix the Junction box cover to the unit and insert screws.
Hole cap
POWER SUPPLY 120VAC
SINGLE PHASE 60Hz
GROUND
Junction box cover
Power supply cord
6
HC-20_US.qxd 14.7.1 9:13 ページ 6