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INSTALLATION INSTRUCTIONS
STEP 3. DRILLING THE LINE SET BUNDLE HOLE
CAUTION
1.
Using a 2.5 in. (63.5mm) core drill, drill a hole in the wall (Figure 3.1). Make sure that the hole is drilled
at a slight downward angle so that the outdoor end of the hole is lower than the indoor end by about
1/2 in. (5 – 7mm) to ensure proper drainage for water condensation.
2.
From the outside, place the protective wall cuff/sleeve in the hole. This protects the edges of the hole
and seals it when you finish the installation process.
STEP 4. INSTALLING THE WALL UNIT
NOTE:
Your unit comes with a 25 ft. communication cable attached. If you are adding line set length,
you will need to change the communication cable with a longer separately purchased cable.
For more information on how to change the
communication cable for longer runs, scan this QR code
with your smartphone to view our installation videos at
https://perfectaire.us/resource_category/videos/
CABLES
1PRCOM70 = 70 ft.
1PRCOM85 = 85 ft.
The communication cable, the beginning of the drain tube and the beginning of the copper line set is inside
an insulated sleeve attached to the back of the unit. You must prepare the bundle before passing it through
the hole in the wall.
1.
Grip the refrigerant copper piping at the base of the bend.
2.
Slowly, with even pressure, bend the piping perpendicular to the indoor unit. Do not kink or damage
the piping during the process.
3.
CAUTION: Be extremely careful not to kink or damage the piping while bending them away from the
unit. Any kinks in the piping will affect the unit's performance.
When drilling the wall hole, you will need to make sure to avoid electrical wiring,
plumbing, and other sensitive components that may be hidden in the wall.
Figure 3.1
ADDITIONAL LINE SET LENGTHS WITH REFRIGERANT
1DALS14-38-75G (9 and 12K indoor unit)
1DALS14-12-15-75G (18K indoor unit)
(Continued)
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