Friedrich PDXDAA Manuale utente

Model PDXDAA & PDXDEA

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

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.

Figure 1- Components for Lateral Duct Accessory Kit

Model PDXDAA & PDXDEA

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

Installation

Mount Support Brackets to Wall Sleeve

1. Mark Top Hole location and line up bracket with

the bracket holes. See Fig 2.

2. Mark other 2 holes locations. See Fig. 3.

3. Drill all 3 holes with a 1/8-in. drill bit.

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.

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.

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.

ARNING

Figure 2 – Side View of Metal Wall Sleeve

showing measurements for Top Hole Location.

Figure 4 – Support Bracket Attached to Wall

Sleeve

Figure 5 – Removing Front Panel

Figure 3 – Location of Attachment Holes

Model PDXDAA & PDXDEA

PDXDAA & PDXDEA Friedrich Air Conditioning Co. Pg 3/5

Post Office Box 1540 / San Antonio, Texas 78295-1540

(210) 546-0500 / (800) 541-6645 / www.friedrich.com

7. Remove and discard discharge grille by

removing attachment screws from inside of

front panel. See Fig 6.

8. Optional – for easy access to control panel,

remove the control door by removing the hinges

pins from inside of front panel that secure

control door in place.

9. Replace the front panel.

Install Extension Duct

(Use for Left or Right Applications)

10. Temporarily secure plenum to support brackets

previously installed.

11. Establish the position where the extension

should intersect the adjacent wall and mark this

location.

12. Measure and cut a 3 3/4 in. x 7 1/8 in. opening

through the wall. See Fig. 7.

13. The Extension Duct Wall Trim Kit can be used

to trim out, up to approximately a 1/2 inch gap

around the Extension Duct.

14. Establish the needed length of the Extension

Duct. Be sure to include the thickness of the

wall in determining the proper length. One

suggested method is to measure from the

support bracket to outer wall surface in the

adjacent room.

15. Cut the Extension Duct to length. Do not cut

flanged end as this is inserted into the plenum.

Only cut the non-flanged end of the Extension

Duct. See Fig 8.

Figure 6 – Back View of Front Panel

Figure 7 – Side View Showing Measurements

for Extension Opening

Figure 8 – Extension Duct Attachment

Model PDXDAA & PDXDEA

PDXDAA & PDXDEA Friedrich Air Conditioning Co. Pg 4/5

Post Office Box 1540 / San Antonio, Texas 78295-1540

(210) 546-0500 / (800) 541-6645 / www.friedrich.com

NOTE: The final length of duct may be cut to up to

½ in. short of outside of wall opening as the

Wall Register inner flange will cover this ½ in.

gap. This is to allow for flush mounting of the

Wall Register to the wall.

16. Trim the Extension Duct interior insulation back

approximately 1 1/2 in. to allow installation of

wall register. See Fig 9.

17. Mount extension duct by sliding extension duct

into the wall opening (or previously installed

wall trim kit mounted in the wall opening) and

secure flanged end with 2 screws provided, to

support bracket. See Fig 8 again.

Install Plenum to Unit

18. Using two screws provided, install End Cap to

Plenum on side opposite from where Extension

Duct is attached.

19. Line hole up with Extension Duct on one side

and the support bracket on other side. Secure

with 4 screws provided. See Fig. 10 for

completed plenum assembly.

NOTE: Be sure plenum is tightly sealed to the front

panel.

IMPORTANT: Unit must be mounted in sleeve

with front panel installed before attaching plenum.

Figure 9 – Trimmed Insulation in Extension Duct

Figure 10 – Completed Assembly of Plenum and Extension

Model PDXDAA & PDXDEA

PDXDAA & PDXDEA Friedrich Air Conditioning Co. Pg 5/5

Post Office Box 1540 / San Antonio, Texas 78295-1540

(210) 546-0500 / (800) 541-6645 / www.friedrich.com

Install Wall Register

20. In adjacent room center the register on the duct

end and push into the duct until the frame is

tight to the wall.

NOTE: The clips on the register are designed to

hold it in place.

Adjust Volume of Airflow Between Rooms

NOTE: The plenum is factory set for maximum

discharge of airflow from front of unit. To adjust

the airflow between 2 rooms, adjust the internal

baffle as follows:

21. Remove plenum discharge grille.

22. Remove 2 screws holding baffle. See Fig 11.

23. Position baffle, and secure for desired airflow

setting. See Table 1.

24. Replace plenum discharge grille.

The Installation of the Lateral Duct Accessory Kit is now complete.

Thank you for purchasing this Friedrich accessory.

Please contact us if you have comments or questions.

Figure 11 – Baffle Attachment Screw Locations

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