Service & Parts Manual (2019, 2020, 2021, 2022)
Table Of Contents
- INTRODUCTION
- SPECIFICATIONS
- OPERATION
- ROUTINE MAINTENANCE
- REMOVE AND INSTALL THE CHASSIS
- R-410A SEALED SYSTEM REPAIR
- COMPONENT TESTING
- Hermetic Components Check
- Reversing Valve Description And Operation
- Testing The Reversing Valve Solenoid Coil
- Checking The Reversing Valve
- Replace The Reversing Valve
- Touch Test Chart : To Service Reversing Valves
- Compressor Checks
- Compressor Replacement
- Fan Motor
- Capacitors
- Heating Element
- Drain Pan Valve
- Testing the User Interface and Electronic Control Board
- Thermistors Description
- Electronic Control Board Identification
- Replace the Electronic Control Board
- Replace the User Interface
- TROUBLESHOOTING
- WIRING DIAGRAMS
- PARTS CATALOG
- Available Accessories
88 PB
AVAILABLE ACCESSORIES
IMPORTANT:
Operating the air conditioner with incorrect rear grille
or without Bafe Adapter Kit (on 19 ¾" deep sleeve)
will recirculate discharge air and cause compressor
overload to trip.
This will cause the unit to shut down temporarily and
may lead to premature compressor failure.
CORRECT Vertical Louvers
INCORRECT Horizontal Louvers
Optional Architectural Grille- AG
Premium extruded aluminum
grille.
Standard Grille
Premium, expanded metal
grille with powder coat paint.
Ships with WSE sleeve.
DK / Drain Kit
Installed at the back of the unit and allows
for attachment to condensate disposal
system,if necessary or desired.
IDK / Internal Drain Kit
New construction applications
where a condensate drain sys-
tem has been built into the wall
interior.
BAK / Bafe Adapter Kit
Necessary when install-
ing in a sleeve deeper than
16 ¾" deep, such as Fedders
B sleeve
WSE Wall Sleeve
Ships with standard grille
(shown above) and standard
galvanized steel inner panel
WSE sleeve
Steel inner Outer weather panel
Installation Accessories
WSE Sleeve/ Exterior Grilles










