Concealed Duct Installation Manual

DURASTAR.COM20
WARNING
All wiring must be performed strictly in accordance with the wiring diagram located
on the inside of the control box lid.
3. Unscrew the cable clamp below the terminal block and place it to the side.
4. Feed the cable through the magnetic ring (some models) and secure the ring in place.
Magnetic ring (if supplied with accessories)
1 2 3
Fix magnetic
ring around
cord
Choose the correct size of cable
The size of the power supply cable, signal cable, fuse, and switch needed is determined by the
maximum current of the unit. The maximum current is indicated on the nameplate located on the
side panel of the unit. Refer to this nameplate to choose the right cable, fuse, or switch.
Wiring the Indoor Unit
1. Prepare the cable for connection:
• Using wire strippers, strip the jacket from both ends of the cable to reveal about 6" of the
wires.
• Strip the insulation from the ends of the wires.
• Using a wire crimper, crimp u-lugs to the ends of the wires.
2. Open the control box lid of the indoor unit and locate the wiring diagram on the inside.
Wiring diagram
Control box
5. Refer to the wiring diagram and connect the u-lugs to the terminal block. Firmly screw the
u-lug of each wire to its corresponding terminal.
6. After checking to make sure every connection is secure, use the cable clamp to fasten the
signal cable to the unit. Screw the cable clamp down tightly.
7. Replace the control box lid.