45MBDAQ: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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INDOOR UNIT WIRING
1. Prepare the cable for connection.
a. Using wire strippers, strip the rubber jacket from both ends of the
signal cable to reveal about 5.9 in (15 cm) of the wire.
b. Strip the insulation from the ends of the wires.
c. Using a wire crimper, crimp the u-lugs to the ends of the wires.
2. Remove the cover of the electric control box on your indoor unit.
3. Connect the u-lugs to the terminals.
4. Match the wire colors/labels with the labels on the terminal block.
Firmly screw the u-lug of each wire to its corresponding terminal.
Refer to the Serial Number and Wiring Diagram located on the cover
of the electric control box.
Fig. 72 —Indoor Unit Control Box and Wiring Diagram
Fig. 73 —Magnetic Ring (if supplied and packed with
accessories)
5. Clamp down the cable with the cable clamp. The cable must not be
loose or pull on the u-lugs.
6. The display box needs to be installed in the electric control box, the
display box needs to be installed inside the electric control, stuck on
the electric control box sheet metal clips.
Fig. 74 —Display Box Installation
•The display box needs to be installed to the outside of the indoor
unit.
•The wiring of the wired controller needs to be completed inside the
electric control box.
•The indoor unit needs to be ceiling mounted.
7. Reattach the electric box cover.
While connecting the wires, please strictly follow the wiring
diagram.
The refrigerant circuit can become very hot.
Keep the interconnection cable away from the copper tube.
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