Bryant Legacy Manuals

Manuals and User Guides for Bryant Legacy. We have 1 Bryant Legacy manual available for free PDF download: Application Manual And Service Manual

Bryant Legacy Application Manual And Service Manual (70 pages)

Residential Air Conditioners and Heat Pumps

Brand: Bryant | Category: Air Conditioner | Size: 6.21 MB

Table of Contents
1
Unit Identification
3
Safety Considerations
4
Introduction
4
Installation Guideline
4
Residential New Construction
4
Add-On Replacement (Retrofit) - R22 to Puron
4
Seacoast
4
Accessories
5
Required Field-Installed Accessories for Air Conditioners
5
Required Field-Installed Accessories for Heat Pumps
5
Accessory Descriptions
6
Low-Ambient Cooling Guideline
7
Long Line Guideline
8
Cabinet Assembly
8
Basic Cabinet Designs
8
Access Compressor or Other Internal Cabinet Components
9
Labeling
11
Electrical
12
Aluminum Wire
12
Contactor
12
Capacitor
12
Cycle Protector
13
Crankcase Heater
13
Time-Delay Relay (TDR)
14
Pressure Switches
14
Defrost Thermostat
15
Defrost Control Boards
15
Hk32Ea001/007 Defrost Control
15
Defrost Control Speed-Up Timing Sequence
16
Hk32Ea009 Defrost Control
17
Hk32Ea003 / 008 Defrost Control
17
System Function and Sequence of Operation (HK32EA003/008)
17
Troubleshooting (HK32EA003/008)
18
Hk32Ea008 Defrost Control
18
Quiet Shift-2 (Non-Communicating)
18
Hk32Ea010 Defrost Control
18
Hk32Ea011 Defrost Control
18
Outdoor Fan Motors
20
ECM Fan Motor
20
PSC Fan Motor
20
Compressor Plug
20
Low-Voltage Terminals
20
Copeland Scroll Compressor
20
Lg Scroll Compressor
21
Characteristics of the LG Scroll Compressor
21
Compressor Troubleshooting
22
Compressor Failures
22
Mechanical Failures
22
Noisy Compressor
23
Electrical Failures
24
Refrigeration System
25
Refrigerant
25
Servicing Systems on Roofs with Synthetic Materials
25
Brazing
26
Aluminum Brazing
26
Service Valves and Pumpdown
26
Liquid Line Filter Drier
29
Suction Line Filter Drier
29
Accumulator
30
Thermostatic Expansion Valve (TXV)
31
Make Piping Connections
32
Refrigeration System Repair
33
Leak Detection
33
Coil Removal
33
Aluminum Coil Removal
34
Compressor Removal and Replacement
35
System Clean-Up after Burnout
35
Evacuation
35
Check Charge
36
TROUBLESHOOTING with SUPERHEAT
37
Puron Refrigerant Pressure Temperature Chart
41
Single-Stage Communicating Heat Pump System Functions and Sequence of Operation
47
Sequence of Operation
47
Defrost
48
Quiet Shift-2
48
Liquid Line Solenoid Accessory
49
Major Components
49
Troubleshooting
49
Systems Communication Failure
49
Pressure Switch Protection
49
Control Fault
49
24V Brown out Protection
49
Compressor Voltage Sensing
49
Compressor Thermal Cutout or Loss of 230V Power
49
Contactor Shorted Detection
50
No 230V at Compressor
50
Temperature Thermistors
50
Thermistor Sensor Comparison
50
Failed Thermistor Default Operation
50
Status Codes
50
Two-Stage 286B/289B 180B/187B
52
Application Guidelines
52
Model Plug
52
Airflow Selections for 187B / 286B / 180B /289B Using Non-Communicating (Non-Evolution) Thermostats
53
Ing Non-Communicating (Non-Evolution) Thermostats
53
General Information
53
Low Ambient Cooling
53
Defrost
53
Quiet Shift
54
Quiet Shift-2 (Communicating Models) (Part # HK38EA016, HK38EA022, HK38EA023)
54
Liquid-Line Solenoid Accessory
54
Check Charge
54
Heating Check Chart Procedure
54
System Functions and Sequence of Operation (286B/89B/180B/187B)
55
Cooling and Heating Operation
55
Communication and Status Function Lights for Evolution Control Only, Green Communications (COMM) Light
55
Utility Interface with Evolution Control
55
Compressor Operation
55
Fan Motor
55
Time Delays
56
Outdoor Temp (DC Volts, Tolerance +/- 2%)
56
Pressure Switches
57
Muffler, Accumulator, Reversing Valve (RVS)
57
Thermistors
57
Control Box
57
Troubleshooting
58
Troubleshooting Circuit Board
58
Hk38Ea016, 022, 023, 026
58
Systems Communication Failure
58
Model Plug
58
Pressure Switch Protection
58
Control Fault
58
Brown-Out Protection
58
230V Brown-Out Protection Defeated
59
230V Line (Power Disconnect) Detection
59
Compressor Voltage Sensing
59
Contactor Shorted Detection
59
Compressor Thermal Cutout
59
180B/187B/286B/289B
59
Low or High Contactor Open/No 230V at Compressor Contractor
59
Troubleshooting Units for Proper Switching
59
Between Low & High Stages
59
Unloader Test Procedure 180B/187B/286B/289B
59
Temperature Thermistors
60
Thermistor Sensor Comparison
60
Failed Thermistor Default Operation
60
Troubleshooting
61
Two Stage Non-Communicating 127A/CA17/BA17CH17/BH17/226A
62
Operating Ambient
62
Airflow Selections (ECM Furnaces)
62
Airflow Selection for Variable Speed Furnaces (Non-Communicating)
62
Airflow Selection for FV4C Fan Coils (Non-Communicating)
62
Airflow Selection for FZ4A Fan Coils (Non-Communicating)
62
System Function and Sequence of Operation (127A/226A/CA17/CH17/BA17/BH17)
63
Compressor Operation
63
Quiet Shift
63
Quiet Shift-2 (Non-Communicating)
63
Defrost
63
Defrost Speedup
63
Check Charge
64
Heating Check Chart Procedure
64
Verify 226A / CH17 Units for Proper Switching between Low & High Stages
64
Unloader Test Procedure
64
Care and Maintenance
65
Desert and Seacoast Locations
65
Cleaning Coil
65
Cleaning Outdoor Fan Motor and Blade
65
Electrical Controls and Wiring
66
Refrigerant Circuit
66
Final Check-Out
66
Index of Tables
70

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Bryant Legacy Application Manual And Service Manual (70 pages)

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