Friedrich PXSB26515-20-30, PXSB230-20-30 User Manual

Model PXSBXXXXX

PXSB230/20/30 or PXSB26515/20/30

Installation Instructions

Electrical Sub-base Assembly

For Use with PTAC and PTHP Models

Please read these instructions completely before attempting installation.
NOTE: These instructions apply to the installation of the Electrical Sub-base assembly.
Contents:

1. Sub-base Assembly

2. Side brackets, adjustable

3. Wire nuts (x 3)

4. #10 screws (x 4)

5. Installation instructions

NOTE: All electrical work must conform to local codes and ordinances, the national electrical code,
ANSI/NFPA NO. 70-1993 or current edition, and in Canada, the Canadian electrical code PART I, CSA
STANDARD C22.1-1993 or current edition.

Step 1. Disconnect ALL power to unit.
Step 2. Using Sub-base as a guide, mark the location for the mounting holes (See Figure 2). Drill a

1/8” hole on each side of the Wall Sleeve.

Step 3. Side brackets can be attached to the sub-base to cover the open space between the wall

and sub-base. Bend the bracket to size. Slip the bracket inside the sub-base and use the
adjustable mounting hole to adjust fit against the wall. See Figure 3.

92011402_R00 Friedrich Air Conditioning Co. Page 1/5

10001 Reunion Place, Suite 500 / San Antonio, Texas 78216

[phone] / [phone] / www.friedrich.com

Model PXSBXXXXX

PXSB230/20/30 or PXSB26515/20/30

Step 4. Route building power through knockouts provided for conduit connectors into junction box.

See Figure 4.

Step 5. Remove Left access cover and connect building power wires to the receptacle wires using

wire nuts and replace cover. See Figure 5.

Step 6. Using screws provided, attached sub-base to wall sleeve using the drilled holes from

Step2. Be careful not to over tighten screws.

Step 7. Adjust legs to level the sub-base. See Figure 6.
Step 8. Remove Right access cover. Push excess cord through opening on the right. Plug the

power cord into the receptacle. Re-install access cover making sure cord is routed through
notch in sub-base.

Step 9. Re-connect power to unit

92011402_R00 Friedrich Air Conditioning Co. Page 2/5

10001 Reunion Place, Suite 500 / San Antonio, Texas 78216

[phone] / [phone] / www.friedrich.com