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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.
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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