Carrier FK4CNF Manuals

Manuals and User Guides for Carrier FK4CNF. We have 1 Carrier FK4CNF manual available for free PDF download: Service Manual

Carrier FK4CNF Service Manual (52 pages)

Residential Fan Coil Units

Brand: Carrier | Category: Air Conditioner | Size: 0.66 MB

Table of Contents
1
- CES013003-00And -01 PCB

2
Safety Considerations

2
Introduction

2
Unit Identification

2
Fa4A, Fb4A, Fc4B, Ff1D, Fh4A, and Fx4A

2
Circuit Board Function and Troubleshooting

2
Product Offering

4
Fan Motor Speed Taps

4
- Troubleshooting PCB
  4
Circuit Board Function and Troubleshooting

6
Electric Heater Function and Troubleshooting

18
- Description of Electric Heater Components
  19
- Troubleshooting KFA, KFB, KFC, and KFD Series Electric Heaters
  20
Fan Coil Description and Troubleshooting - Fk4B

20
Fan Coil Description and Troubleshooting - Fk4C, Fv4A, 40Fka

28
- Integrated Controls and Motor (ICM2)
  28
- PCB Layout and Description
  29
- Sequence of Operation
  29
- Easy Select Configuration Taps
  32
- Troubleshooting PCB
  33
- Troubleshooting ICM2
  33
- Condensed Version of Troubleshooting
  33
  - FK4C, FV4A, 40FKA Motor and Controls
    33
  - Accessories
    35
- Thermostatic Expansion Valves (Txv)
  
  36
  - Problems Affecting TXV
    36
- Piston Body Cleaning or Replacement
  
  36
- Fa, Fb, Fc, Fk Coil/Condensate Pan
  
  37
- Liquid Tube Strainer
  
  37
  - Fa, Fb, Fc, Fk Coil/Condensate Pan Removal and Replacement
    37
    
    A-Coil Units
    37
    
    Slope Coil Units
    37
- Fx, Fv, 40Fka Coil/Condensate Pan Removal
  
  38
  - And Replacement
    38
- Care and Maintenance
  
  39
- Ff1A/Ff1B/Ff1C Service and Troubleshooting
  
  40
  - Fan Motor
    40
  - Electric Heater Service
    40
  - Cleaning or Replacing Refrigerant Flow-Control Device
    42
  - Liquid Tube Strainer
    42
  - Sequence of Operation
    42
  - Care and Maintenance
    42
Fd3A Service and Troubleshooting

43
- Fan Motor
  43
- Electric Heater Service
  43
- Cleaning or Replacing Refrigerant Flow-Control Device
  43
- Liquid Tube Strainer
  45
- Care and Maintenance
  45
Fg3A Service and Troubleshooting

46
- Service
  46
- Maintenance
  46
Fa4A, Fb4A, Fc4B, Fx4A Smart Heat Circuit Board Function and Troubleshooting

46
Puron® (R-410A) Quick Reference Guide

51

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Air Conditioner Heat Pump Furnace Thermostat Chiller

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Carrier FK4CNF Manuals

Carrier FK4CNF Service Manual (52 pages)

Table of Contents

- CES013003-00And -01 PCB

Safety Considerations

Introduction

Unit Identification

Fa4A, Fb4A, Fc4B, Ff1D, Fh4A, and Fx4A

Circuit Board Function and Troubleshooting

Product Offering

Fan Motor Speed Taps

Circuit Board Function and Troubleshooting

Electric Heater Function and Troubleshooting

Fan Coil Description and Troubleshooting - Fk4B

Fan Coil Description and Troubleshooting - Fk4C, Fv4A, 40Fka

Thermostatic Expansion Valves (Txv)

Piston Body Cleaning or Replacement

Fa, Fb, Fc, Fk Coil/Condensate Pan

Liquid Tube Strainer

Fx, Fv, 40Fka Coil/Condensate Pan Removal

Care and Maintenance

Ff1A/Ff1B/Ff1C Service and Troubleshooting

Fd3A Service and Troubleshooting

Fg3A Service and Troubleshooting

Fa4A, Fb4A, Fc4B, Fx4A Smart Heat Circuit Board Function and Troubleshooting

Puron® (R-410A) Quick Reference Guide

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