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5
INSTALLATION INSTRUCTIONS
To ensure that the unit operates safely and efficiently, it must
be installed, operated and maintained according to these instal-
lation and operating instructions and all local codes and ordi-
nances or, in their absence, with the latest edition of the
National Electric Code. The proper installation of this unit is
described in the following sections. Following the steps in the
order presented should ensure proper installation. Rated per-
formance is achieved after 72 hours of operation.
SLEEVE STIFFENER AND REAR CLOSURE PANEL
REMOVAL
Before the chassis can be installed in the wall sleeve, the sleeve
stiffener and the rear closure panel must be removed.
1. Remove the zigzag folded cardboard sleeve stiffener.
2. Remove the rear closure panel by folding the four flaps.
3. Grasping the top and bottom flanges of the rear closure
panel pull the entire panel out diagonally from one side.
DRAIN KIT INSTALLATION (OPTIONAL ACCESSORY)
During normal reverse cycle heating operation, condensate
water will drain out of the rear of the wall sleeve. If this water
is objectionable, a drain kit should be installed. The drain kit has
provisions for draining the water from either the right or left side
of the sleeve externally or from the bottom of the sleeve
internally. The drain kit must be installed before the outdoor
grille is installed. Refer to the Installation Instructions supplied
with the drain kit for a complete description of the installation
procedure.
Sleeve
Stiffene
r
Wall Sleeve with Stiffener
Rear Closure
Panel
Flaps
Stiffener Removal
Rear Enclosure Panel Removal
SLEEVE INSTALLATION
In order for condensate water to drain properly inside the unit,
the sleeve must be installed properly:
• Level from right to left.
• A slight downward pitch from the indoor side to the out-
door side as shown below.
Refer to the Installation Instructions supplied with the PTAC wall
sleeve for a complete description of the installation procedure.
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