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Carrier
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R-22
Carrier R-22 User Manual
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Fig.
51
—
TXV
in
Cooling
Mode
A88406
OUTLET
INLET
PUSHRODS
BYPASS TXV
DIAPHRAGM
NEEDLE
VALVE
SPRING
CHECK VALVE
(CLOSED)
BYPASS TUBE
DISTRIBUTOR
FEEDER TUBES
CAPILLARY TUBE
COIL
BULB
EXTERNAL EQUALIZER TUBE
Fig.
52
—
TXV
in
Heating
Mode
A88405
OUTLET
INLET
PUSHRODS
BYPASS TXV
DIAPHRAGM
NEEDLE
VALVE
SPRING
CHECK VALVE
(OPEN)
BYPASS TUBE
DISTRIBUTOR
FEEDER TUBES
CAPILLARY TUBE
COIL
BULB
EXTERNAL EQUALIZER TUBE
44
43
45
Table of Contents
Table of Contents
1
Safety Considerations
2
Introduction
2
Installation Guideline
2
Residential New Construction
2
Add-On Replacement (Retrofit)
2
Seacoast (for Air Conditioners Only)
2
Accessory Descriptions
2
Compressor Crankcase Heater
2
Evaporator Freeze Thermostat
2
Winter Start Control
2
Wind Baffle
3
Coastal Filter
3
Support Feet
3
Liquid-Line Solenoid Valve
3
Thermostatic-Expansion Valve
3
Isolation Relay
3
Low-Ambient Guideline
3
Long-Line Guideline
3
Approved Systems
3
Interconnecting Tubing Sizing
3
Metering Device Sizing
5
Liquid-Line Solenoid and Tubing Configuration
5
Charging Information
6
2-Speed Applications
7
Unit Identification
9
Product Number Stamped on Unit-Rating Plate
9
Serial Number Identification
10
Cabinet
10
Remove Top Cover-Weathermaker
10
Remove Fan-Motor Assembly-Weathermaker
10
Information Plate-Weathermaker
11
Control-Box Cover-Cube Products
11
Remove Top Cover-Cube Products
11
Remove Fan-Motor Assembly-Cube Products
11
Electrical
12
Aluminum Wire
12
Contactors
13
Capacitors
14
Cycle Protector
16
Crankcase Heater
16
Time-Delay Relay
17
Pressure Switches
18
Defrost Thermostats
18
Defrost-Control Board
18
Fan Motors
22
Service Alarm Control Board
23
Outdoor Thermostat(S)
24
Compressor Plug
24
Low-Voltage Terminals
24
Reciprocating Compressor
25
Mechanical Failures
25
Electrical Failures
26
System Cleanup after Burnout
27
Compressor Removal and Replacement
28
Copeland Scroll Compressor
28
Features
28
Troubleshooting
28
Discharge Thermostat
28
Discharge Solenoid Valve
29
Millennium Scroll Compressor
29
Features
29
Compressor Protection
29
Troubleshooting
29
Scroll-Compressor, 3-Phase Monitor
29
Olympia Series Horizontal Units
29
General
29
Remove Fan Motor
31
Cleaning Coil
31
Two-Speed System
31
Cautions and Warnings
31
System Functions
31
Factory Defaults
34
Major Components
34
LED Function/Malfunction Lights
36
Troubleshooting
36
Refrigeration System
38
Refrigeration Cycle
38
Leak Detection
38
Brazing
39
Service Valves
39
Accurater™ (Bypass-Type) Heat Pumps Only
40
Reversing Valve
41
Thermostatic-Expansion Valves (TXV)
42
Thermostatic-Expansion Valve (Bi-Flow TXV)
43
Coil Removal
43
Liquid-Line Strainer (Heat Pumps Only)
43
Accumulator
43
Contaminant Removal
45
System Charging
45
Checking Charge
45
Care and Maintenance
46
Troubleshooting Chart
50
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Carrier R-22 Specifications
General
Brand
Carrier
Model
R-22
Category
Air Conditioner
Language
English
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