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VERIFY KIT CONTENTS

Before starting installation, make sure that the following 
parts are included:

• One sheet metal wall sleeve adapter.

• Two long and two short pieces of styrofoam insulation 

with adhesive backing.

• Two long and two short adhesive-backed gasket pieces.

• Two Tinnerman's Clips.

• Ten #10 screws.

920-127-01 (1-05)

Installation Instructions

WALL SLEEVE ADAPTER KIT

For Use With Packaged Terminal Units

Please read these instructions completely before attempting installation.

NOTE:  

This kit retrofi ts the earlier shallow "T" series Friedrich wall sleeve to accommodate  more modern, deeper 

"PD" series PTAC units. Refer to Chassis Installation/Operation Manual for additional information.

Model PXSE

WARNING

Electrical shock hazard.

Electrical power 

MUST

 be disconnected.

Failure to disconnect power can result in 
property damage, personal injury and/or death.

STEP 1:  WALL SLEEVE ADAPTER ORIENTATION

The wall sleeve adapter increases the depth of existing wall sleeves to accept deeper PTAC units.  The adapter 
mounts to the front of the existing sleeve inside of the room.  The sleeve should be oriented so that the Stickout 
Flange is inside the existing sleeve and the Fold-over Flange is positioned to the bottom front of the adapter 
as shown in illustration.

Fold-over

Flange

Room

Existing Wall 

Sleeve

Wall 

Sleeve

Adapter

Stickout 

Flange

STEP 2

Insert the stickout flange of the wall sleeve adapter over the bottom flange of the existing sleeve. 
Make sure that the top of the sleeve is level with the top surface of the adapter.  

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