Friedrich K?hl+ EM24M35 Manuals

Manuals and User Guides for Friedrich K?hl+ EM24M35. We have 1 Friedrich K?hl+ EM24M35 manual available for free PDF download: Service Manual

Friedrich K?hl+ EM24M35 Service Manual (87 pages)

115 & 208-230-Volt Cool Only, 208-230-Volt Cool with Electric Heat, 208-230-Volt Heat Pump with Electric Heat, 115-Volt Heat Pump

Brand: Friedrich | Category: Air Conditioner | Size: 3 MB

Table of Contents
2
Important Safety Information
3
- Electrical Hazards
  3
- Mechanical Hazards
  4
Introduction
6
Model and Serial Number Location
6
Model Number Code
7
Unit Identiﬁ Cation
7
Specifications
8
Performance Data and Speciﬁ Cations
8
Unit Placement
9
Installation Information/Sleeve Dimensions/Circuit Rating
9
- Electric Shock Hazard
  10
- Fire Hazard
  10
Electrical Data
10
Electrical Shock Hazard
11
Before Operating the Unit
11
Control Panel Operation
12
Special Functions
13
Alerts
13
Remote Effectiveness
16
Remote Control Operation
16
Electronic Control System Maintenance Operation
19
Factory Use Only
21
Unit Operation
22
Cool-Heat Set Points
23
Cooling Mode
24
Electronic Control Sequence of Operation
24
Speed Selection
29
Unit Operation with a Wall-Stat
30
Electric Shock Hazard
31
Removing the Front Cover and Unit Chassis
31
Replacing the ID Coil Thermistor
32
Replacing the Control Board
32
Remote Wall Thermostat
33
Low Voltage Interface Connector
33
Remote Wall Thermostat
34
Airﬂ Ow Selection and Adjustment
34
- Capacitor Check with Capacitor Analyzer
  35
- Capacitor Connections
  35
Components Testing
35
- Components Testing
  36
- Testing the Heating Element
  36
- Drain Pan Valve
  36
Refrigeration Sequence of Operation
37
R-410A Sealed System Repair Considerations
38
- Equipment Required
  39
- Refrigerant Charging
  39
- Method of Charging / Repairs
  40
- Burn Hazard
  40
- Undercharged Refrigerant Systems
  41
- Overcharged Refrigerant Systems
  41
- Restricted Refrigerant System
  42
- Metering Device
  43
- Check Valve
  43
Hermetics Components Check
43
Reversing Valve Description/Operation
44
Testing the Coil
45
Checking the Reversing Valve
45
Compressor Checks
47
- Single Phase Resistance Test
  48
- Ground Test
  48
- Checking Compressor Efficiency
  48
Compressor Replacement
49
- Explosion Hazard
  50
- Special Procedure in the Case of Motor Compressor Burnout
  50
Routine Maintenance / Battery Check / Change
51
Service and Assistance
55
Performance Test Data Sheet and Sizing Guide
56
Error Codes and Alarm Status
57
Troubleshooting
58
Electrical Troubleshooting Chart - Heat Pump
66
Electronic Control Board Components Identiﬁ Cation
68
Remote Wall Thermostat Wiring Diagrams
69
- Cool Only Models
  70
- Wiring Diagram
  71
Thermistors' Resistance Values
77
Remote Control Replacement Instructions
78
- Ribbon Cable Connection
  80
- Mounting Screws
  80
User Interface Service Kit
80
Instructions for Using Cooling Load Estimate Form
81
Cooling Load Estimate Form
82
Heat Load Form
83
Warranty
85
Technical Support Contact Information
86

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