Friedrich Kuhl KCM21A30A Manuals

Manuals and User Guides for Friedrich Kuhl KCM21A30A. We have 1 Friedrich Kuhl KCM21A30A manual available for free PDF download: Service Manual

Friedrich Kuhl KCM21A30A Service Manual

Friedrich Kuhl KCM21A30A Service Manual (91 pages)

Room Air Conditioners R-410A Refrigerant

Brand: Friedrich | Category: Air Conditioner | Size: 6.94 MB

Table of Contents

Table of Contents
2
Introduction
3
Important Safety Information
3
Personal Injury or Death Hazards
4
New Kühl Control Options
6
Component Identification
7
Model and Serial Number Location
7
Model Number Reference Guide
8
Serial Number Reference Guide
9
Specifications
10
Refrigeration Systems Performance Data
10
Installation
12
Electrical Data
13
Operation
15
Airflow Selection and Adjustment
15
User Interface
16
Control Panel
28
Remote Control
29
Unit
30
General Knowledge Sequence of Refrigeration
36
Routine Maintenance
37
Remove and Install the Front Cover
37
Standard Filter Removal / Installation Instructions
39
Remove and Install the Chassis
41
Troubleshooting
43
Cooling Sizing Guide
43
Diagnostic Codes
44
Troubleshooting Tips
45
Component Testing
53
Capillary Tube and Check Valve Assy (Heat Pump Units)
53
Capillary Tube Assy (Cool Only Units)
54
Reversing Valve Description and Operation
55
Testing the Reversing Valve Solenoid Coil
56
Checking the Reversing Valve
57
Touch Test Chart : to Service Reversing Valves
58
Compressor Checks
59
Fan Motor
61
Capacitors
61
Heating Element
62
Drain Pan Valve
62
Testing the User Interface and Electronic Control Board
63
Thermistors Description
63
Electronic Control Board Identification
64
Replace the Electronic Control Board
65
Replace the User Interface
65
R-410A Sealed System Repair
66
Refrigerant Charging
67
Undercharged Refrigerant Systems
68
Overcharged Refrigerant Systems
69
Restricted Refrigerant System
70
Sealed System Method of Charging/ Repairs
71
Compressor Replacement
72
Replace the Reversing Valve
74
Wiring Diagrams
75
Interactive Parts Viewer
86
Available Accessories
87
Appendix
88
Appendix 1 Thermistor Resistence Values (this Table Applies to All Thermistors)
88

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