Model PDXDAA & PDXDEA
Installation Instructions
Lateral Duct Accessory Kit
For Use with F Series Packaged Terminal Air Conditioner or Heat Pump
Introduction:
These instructions cover the installation of the Lateral Duct Accessory Kit for Packaged Terminal Air
Conditioner (PTAC) units. Please read these instructions completely before attempting installation.
Package Contents (See Fig 1):
ITEM QUANTITY
Plenum 1
Extension Duct 1
Extension Duct Wall Trim Kit 1
Wall Register 1
End Cap 1
Attachment Screws 14
Right Support Bracket 1
Left Support Bracket 1
Tools Required: Power drill, 1/8” drill bit, hacksaw, Phillips screwdriver and utility knife.
General
The Lateral Duct Accessory Kit allows one PTAC unit to heat or cool two rooms. The kit mounts to
the wall sleeve and can be installed for either right or left side duct applications. The amount of air
that can be diverted to an adjoining room is adjustable from 20 to 30 percent. (See Table 1)
Table 1 – Airflow Adjustments
BAFFLE POSITION UNIT FRONT ADJACENT ROOM
Position 1 (factory default) 80% 20%
Position 2 75% 25%
Position 3 70% 30%
Pre-Installation
Consider the following before installing the Lateral Duct Accessory:
• Maximum duct extension length is 4 feet.
• Duct run must be straight and horizontal; no bends or turns.
• Minimum recommended clearance between unit and adjoining room wall is 6 inches.
• Provisions must be made for return air from the adjoining room.
• The PTAC unit does not have to be removed for lateral duct installation.
PDXDAA & PDXDEA Friedrich Air Conditioning Co. Pg 1/5
Post Office Box 1540 / San Antonio, Texas 78295-1540
(210) 546-0500 / (800) 541-6645 / www.friedrich.com
Figure 1- Components for Lateral Duct Accessory Kit
Model PDXDAA & PDXDEA
Installation
Mount Support Brackets to Wall Sleeve
1. Mark Top Hole location and line up bracket with
the bracket holes. See Fig 2.
Figure 2 – Side View of Metal Wall Sleeve
showing measurements for Top Hole Location.
2. Mark other 2 holes locations. See Fig. 3.
Figure 3 – Location of Attachment Holes
3. Drill all 3 holes with a 1/8-in. drill bit.
ARNING
Electrical Shock Hazard
Disconnect all electrical
power to unit before service
or installation. Failure to do
so can result in property
damage, personal injury
and/or death.
4. Secure bracket (be sure to use correct bracket
as there is a left and right bracket) with 3
screws provided.
Do not over tighten. See Fig. 4.
Figure 4 – Support Bracket Attached to Wall
Sleeve
5. Repeat procedure above for other side bracket
attachment.
Remove Discharge Grille and Control Door
from Front Panel
6. Remove front panel from unit by grasping the
panel firmly near the bottom of both sides, then
pulling the panel forward and upward to release
partition hooks. See Fig 5.
Figure 5 – Removing Front Panel
PDXDAA & PDXDEA Friedrich Air Conditioning Co. Pg 2/5
Post Office Box 1540 / San Antonio, Texas 78295-1540
(210) 546-0500 / (800) 541-6645 / www.friedrich.com