4. Using the appropriately sized hole saw and a drill, make a hole in the marked location. Be
sure to angle the hole saw at a downward angle to aide with condensation pipe drainage
as shown below.
When drilling the wall hole, be sure to avoid wires, plumbing, and other
sensitive components.
INDOOR UNIT HOLE SAW SIZE
9K & 12K 2.5 in. (65mm)
5. Place the provided wall sleeve in the wall hole. This sleeve helps to prevent damage to the
wiring/pipes that will be installed through the hole in a later step.
5.4 CONNECT SIGNAL CABLE
To prepare the indoor unit for electrical connectivity, install one end of the signal cable to the
electrical connections of the indoor unit.
1. Open the front panel of the unit and locate the wiring box cover on the right side of the unit.
2. Open the wire box cover using a screwdriver to reveal the terminal block.
3. Unscrew the cable clamp below the terminal block and place it to the side.
4. While facing the back of the unit, feed the signal wire through the metal bracket to the
terminal block area on the front side.
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