Service & Parts Manual (Non Q) (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
8 PB
INTRODUCTION
Model Number Reference Guide
MODEL TYPE
K - KUHL
W - WALLMASTER
FUNCTION
C - COOL ONLY
E - ELECTRIC HEAT
H - HEAT PUMP
APPLICATION
S - SMALL
M - MEDIUM
L - LARGE
APPROXIMATE COOLING
BTU / HR
ENGINEERING REVSION
LETTER INDICATES AN
ENGINEERING MODIFI-
CATION TO AN EXISTING
MODEL
MARKETING SUFFIX LETTER
INDICATES MODIFICATION TO
AN EXISTING MODEL
HEAT STRIP
0 - STRAIGHT COOL & HEAT
PUMP
3 -3.3 KW HEAT STRIP, NOMINAL
4 - 4.0 KW HEAT STRIP, NOMINAL
5 - 5.2 KW HEAT STRIP, NOMINAL
VOLTAGE
1 - 115 VOLTS
3 - 230 VOLTS
MODEL INTRODUCTORY
CHARACTER
A - 2019
B -
C -
IMPORTANT: It will be necessary for you to accurately identify the unit you are servicing, so you can be certain of a
proper diagnosis and repair.
Figure 104 (Model Number Reference Guide)
K C M 21 A 3 0 A - A