User Manuals: Carrier 25HNB948 Air Conditioner

Manuals and User Guides for Carrier 25HNB948 Air Conditioner. We have 1 Carrier 25HNB948 Air Conditioner manual available for free PDF download: Application Manualline

Carrier 25HNB948 Application Manualline

Carrier 25HNB948 Application Manualline (64 pages)

Residential Air Conditioners and Heat Pumps Using R-22 and Puron Refrigerant

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

Table of Contents

Table of Contents
1
Unit Identification
2
Safety Considerations
3
Introduction
3
Installation Guideline
3
Accessories and Descriptions
4
- Required Field- -Installed Accessories for Air Conditioners
  4
- Required Field- -Installed Accessories for Heat Pumps
  4
Accessory Descriptions
5
Low- -Ambient Guideline
6
Long Line Guideline
7
Cabinet Assembly & Components
7
Electrical
11
- Aluminum Wire
  11
- Contactor
  11
- Capacitor
  11
- Cycle Protector
  12
- Crankcase Heater
  12
- Time- -Delay Relay
  12
Pressure Switches
13
- Defrost Control
  14
- Defrost Control Speed- -Up Timing Sequence
  15
Defrost Thermostat
14
Defrost Control Board
16
System Function and Sequence of Operation
16
Fan Motor
17
Copeland Scroll Compressor
18
Lg Scroll Compressor
18
Compressor Troubleshooting
20
- Compressor Failures
  20
- Mechanical Failures
  20
- Electrical Failures
  22
Refrigeration System
23
- Refrigerant
  23
- Servicing Systems on Roofs with Synthetic Materials
  23
- Brazing
  23
- Service Valves and Pumpdown
  23
- Liquid Line Filter Drier
  27
- Suction Line Filter Drier
  27
- Accumulator
  28
- Thermostatic Expansion Valve (TXV)
  29
Make Piping Connections
30
Refrigeration System Repair
31
- Leak Detection
  31
- Coil Removal
  31
- Compressor Removal and Replacement
  32
- System Clean- -Up after Burnout
  32
- Evacuation
  33
Check Charge
33
Troubleshooting with Superheat
43
- R- -22 Superheat Chart
  43
Two- -Stage 25Hnb/24Anb

44
24 Acb7 / 25Hcb6

55
Two Stage Non- -Communicating 24Acb7/25Hcb6

55

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