5.3 DRILL WALL HOLE
A hole must be drilled in the wall for the refrigerant line set, the condensation hose, and the
signal cable that will connect the indoor and outdoor unit.
Steps:
1. Measure 3.25 in. (83mm) horizontally from the middle of the right-side leg and mark this
location with a line. (see image below)
2. Measure 1.75 in. (45mm) vertically from the bottom of the right-side leg of the bracket and
mark this location with a line. (see image below)
3. Mark the location where the lines from steps 1 & 2 intersect. This mark is the center of the
hole that will be drilled in the next section. Please refer to the below image for reference.
The preferred installation method is to drill a hole behind the unit for the piping and
a hole cannot be placed behind the indoor unit, run the piping and wiring through the
knockout panel on the side of the unit as shown below.
Knockout
Rear Wall Hole Installation
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