Friedrich SM21N30 Manuals

Manuals and User Guides for Friedrich SM21N30. We have 1 Friedrich SM21N30 manual available for free PDF download: Service & Parts Manual

Friedrich SM21N30 Service & Parts Manual

Friedrich SM21N30 Service & Parts Manual (95 pages)

Standard Chassis Models Kuhl

Brand: Friedrich | Category: Air Conditioner | Size: 23.75 MB

Table of Contents

Table of Contents
2
Important Safety Information
3
Introduction
6
Model and Serial Number Location
6
Unit Identification
7
Performance Data and Specifications
8
Unit Placement
9
Installation Information/Sleeve Dimensions/Circuit Rating
9
Electrical Data
10
Electrical Shock Hazard
11
Before Operating the Unit
11
Kuhl Control Options
12
Control Panel and Display Identification
13
Control Panel Operation Instructions
14
Remote Control Operation
21
Remote Control Operation
22
Unit Operation
23
Electronic Control Sequence of Operation
24
Fan Operation
29
Removing the Front Cover and Unit Chassis
30
Replacing the ID Coil Thermistor
31
Replacing the Control Board
31
Airflow Selection and Adjustment
32
Components Testing
33
Components Testing
34
Testing the User Interface and Control Board
35
Refrigeration Sequence of Operation
36
R410A Sealed System Repair Considerations
37
Sealed Refrigeration System Repairs
38
Hermetics Components Check
42
Reversing Valve Description/Operation
43
Testing the Coil
44
Checking the Reversing Valve
44
Procedure for Changing Reversing Valve
45
Compressor Checks
46
Compressor Replacement
48
Routine Maintenance
50
- Filter Installation
  52
- Available Accessories
  54
Service and Assistance/Avalaible Accessories
54
How to Check and Erase the Diagnostic Codes
55
Error Codes and Alarm Status
56
Test Mode
57
Thermistors' Resistance Values
58
Performance Test Data Sheet
59
Troubleshooting
60
Electronic Control Board Components Identification & Thermistor Voltage
70
Electronic Control Configuration Instructions
71
Cool Only Models
72
Wiring Diagrams
76
- Wiring Diagram
  77
- Heat Pump Models
  79
- Heat Pump Model
  80
Remote Control Replacement Instructions
81
User Interface Service Kit
83
Parts Section
84
Addendum 1
92
Warranty
93
Authorized Parts Depots
94
Technical Support Contact Information
94

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