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Manuals
Brands
Friedrich Manuals
Air Conditioner
FSHW243
Service and parts manual
Friedrich FSHW243 Service And Parts Manual
Single zone wall-mounted air conditioning system
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Introduction
Important Safety Information
Personal Injury or Death Hazards
Model Identification Guide
Indoor Units
Outdoor Units
Remote Control
Specifications
Product Specifications
Capacities and Selection Data
9-12K Operation Characteristics Curve
18-24Kk Operation Characteristics Curve
Operation Characteristics Curve
9-12K Capacity Variation Ratio According to Temperature
Capacity Variation Ratio According to Temperature
9-12K Noise Curve
18-24K Noise Curve
Noise Curve
Cooling Data Sheet in Rated Frequency
Heating Data Sheet in Rated Frequency
18-24K Indoor Unit Dimensions
9-12K Outdoor Unit Dimensions
18-24K Outdoor Unit Dimensions
Outdoor Unit Dimensions
Operation
Remote Control Button Identification
Remote Control Description
9-24K Sequence of Operation
Sequence of Operation
9-12K Refrigerant System Diagram
Refrigerant System Diagram
Installation
Installation Tools
Installation Parts Checklist
Selection of Installation Location
Installation of Indoor Unit
Leak Check, Evacuation, and Charging (Triple Evacuation)
Checklist and Operation Test
Check Unit Following Installation
Test Operation
Removal
Indoor Unit
Outdoor Unit
Wired Controller
Display
Buttons
Operation Instructions
Installation Instructions
R-410A Sealed System Repair
Service Valves Appearance
Pumping down
Gas Charging (after Repair)
Components Testing
Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units (15Kω)
Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units (20Kω)
Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units (50Kω)
9-12K Indoor Unit Printed Circuit Board Identification
18-24K Indoor Unit Printed Circuit Board Identification
Indoor Unit Printed Circuit Board Identification
9-12K Outdoor Unit Printed Circuit Board Identification
18-24K Outdoor Unit Printed Circuit Board Identification
Outdoor Unit Printed Circuit Board Identification
Troubleshooting
Diagnostic Codes
Malfunction of Temperature Sensor F1, F2
9-12K Malfunction of Blocked Protection of IDU Fan Motor H6
18-36K Malfunction of Blocked Protection of IDU Fan Motor H6
Malfunction of Protection of Jumper Cap C5
Malfunction of IDU Fan Motor U8
Malfunction of Communication E6
Malfunction of Power Supply from Indoor to Outdoor Unit
Malfunction of Detecting Plate (WIFI) JF
Indoor Fan Does Not Rotate and There Is no Feedback
Temperature Sensor Malfunction
Malfunction Diagnosis of Startup Failure
Diagnosis of Losing Synchronism for Compressor
9-12K, 36K Diagnosis of Overload and Discharge Malfunction
18-24K Diagnosis of Overload and Discharge Malfunction
Capacity Charging Malfunction - Outdoor Unit
9-24K PM Protection, Phase Current Overcurrent
IPM Protection, Out-Of-Step Fault, Compressor Phase Overcurrent
High Temperature and Overload Protection Diagnosis
PFC (Correction Power Factor) Outdor Unit Malfuction
Communication Malfunction: (Following AP1 for Outdoor Unit Control Board)
High-Pressure Protection
Troubleshooting for Malfunction Without Active Error Code
Wiring Diagrams
9-12K Indoor Unit Wiring Diagram
18-24K Indoor Unit Wiring Diagram
Indoor Unit Wiring Diagrams
18-24K Outdoor Unit Wiring Diagrams
Outdoor Unit Wiring Diagrams
Parts Catalog
Indoor Unit
Indoor Unit
Indoor Unit
Indoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Appendix
Appendix 1: Reference Sheet of Celsius and Farenheit
Appendix 2: Configuration of Connection Pipe
Appendix 3: Pipe Expanding Method
Limited Warranty
Friedrich Authorized Parts Depots
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Quick Links
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Remote Control
2
Remote Control Button Identification
3
Diagnostic Codes
Download this manual
Floating Air Select
FSHW091 - 9,000 BTU Single Zone - 110V
FSHW121 - 12,000 BTU Single Zone - 110V
FSHW183 - 18,000 BTU Single Zone - 230V
FSHW243 - 24,000 BTU Single Zone - 230V
FSHW363 - 36,000 BTU Single Zone - 230V
1
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Table of Contents
Troubleshooting
TROUBLESHOOTING
110
Troubleshooting for Malfunction without Active Error Code
140
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