Friedrich PDXDEA Manuale Utente

          

 

 
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

 

Lateral Duct Accessory Kit 

For Use with F Series Packaged Terminal Air Conditioner or Heat Pump  

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):

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. 

 

 

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) 

 

Position 1 (factory default) 

80% 

20% 

Position 2 

75% 

25% 

Position 3 

70% 

30% 

  

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. 

Figure 1- Components for Lateral Duct Accessory Kit