Bryant HK32EA007 User Manual

Application Guideline and Service Manual
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
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
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
Single-Stage Communicating Heat Pump System Functions and Se-
quence 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
TWO-STAGE 286B/289B 180B/187B . . . . . . . . . . . . . . . . . . . . . . 52
Application Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Model Plug. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Airflow Selections for 187B / 286B / 180B /289B Using Non-Commu-
nicating (Non-Evolution) Thermostats . . . . . . . . . . . . . . . . . . . . 53
Airflow Selection for FV4 Fan Coils for 180B, 187B, 286B, 289B Us-
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
Residential Air Conditioners and Heat Pumps
Using R-22 and Puron® Refrigerant

Bryant HK32EA007 Specifications

General

Brand	Bryant
Model	HK32EA007
Category	Air Conditioner
Language	English

Summary

UNIT IDENTIFICATION

Model Number Nomenclature

Details the nomenclature used for air conditioner and heat pump model numbers.

Serial Number Nomenclature

Explains the structure and meaning of unit serial numbers.

SAFETY CONSIDERATIONS

INSTALLATION GUIDELINE

Residential New Construction

Specific installation guidelines for new residential builds.

Add-On Replacement (Retrofit) - R22 to Puron

Requirements for upgrading R22 systems to Puron refrigerant.

LOW-AMBIENT COOLING GUIDELINE

ELECTRICAL

Pressure Switches

Low-Pressure Switch (AC Only), High-Pressure Switch (AC & HP), Loss of Charge Switch (HP Only)

Defrost Control Boards

HK32EA001/007 Defrost Control

Details the HK32EA001/007 defrost control for Legacy Series heat pumps.

Sequence of Operation & Troubleshooting (HK32EA001/007)

Explains operational sequences and troubleshooting for the HK32EA001/007 control.

HK32EA009 DEFROST CONTROL

HK32EA003 / 008 DEFROST CONTROL

System Function & Sequence of Operation (HK32EA003/008)

Explains system functions and sequences for the HK32EA003/008 control.

Deluxe Defrost Speedup

HK32EA008 DEFROST CONTROL

Quiet Shift-2 (non-communicating)

HK32EA010 DEFROST CONTROL

HK32EA011 DEFROST CONTROL

Outdoor Fan Motors

ECM & PSC Fan Motors

COPELAND SCROLL COMPRESSOR

LG SCROLL COMPRESSOR

LG Scroll Compressor Characteristics & Protection

COMPRESSOR TROUBLESHOOTING

Compressor Failures & Mechanical Failures

Classifies failures and discusses mechanical issues like locked rotor.

Runs, Does Not Pump

Noisy Compressor

Electrical Failures

Single-Phase Motors & Open Circuit

REFRIGERATION SYSTEM

Refrigerant & Servicing Systems on Roofs

Service Valves and Pumpdown

Pumpdown Procedure

Reversing Valve

Liquid Line Filter Drier

Filter Drier Installation (AC & HP)

Suction Line Filter Drier

Thermostatic Expansion Valve (TXV)

TXV Operation & Installation

Installing TXV in Place of Piston (pre-2006)

REFRIGERATION SYSTEM REPAIR

Leak Detection

Describes methods for detecting refrigerant leaks in the system.

Compressor Removal and Replacement

System Clean-Up After Burnout

Evacuation

Deep Vacuum Method

Details the deep vacuum method for system evacuation.

Triple Evacuation Method

Check Charge

TROUBLESHOOTING with SUPERHEAT

Basic Diagnostics & Low Superheat Scenarios

Covers initial diagnostics and troubleshooting for low superheat conditions.

High Superheat Scenarios

Troubleshooting steps for high superheat conditions.

Pseudo Evaporator Superheat Instructions

Single-Stage Communicating Heat Pump System Functions and Sequence of Operation

Sequence of Operation & Status Lights

Low Ambient Cooling

Evolution Controlled low ambient cooling:

DEFROST

Defrost Modes (Hold, Forced, Quiet Shift)

TROUBLESHOOTING

System Communication, Model Plug & Pressure Switch Protection

Covers troubleshooting communication, model plugs, and pressure switches.

Control Fault, Brown-Out, Voltage Sensing & Thermal Cutout

Temperature Thermistors

Thermistor Comparison, Failed Operation & Status Codes

TWO-STAGE 286B/289B 180B/187B

Application Guidelines & Model Plug

GENERAL INFORMATION

Low Ambient Cooling & Defrost

Covers low ambient cooling and defrost features.

Defrost Speedup

CARE AND MAINTENANCE

AIR CONDITIONER TROUBLESHOOTING CHART

HEAT PUMP TROUBLESHOOTING HEATING CYCLE

HEAT PUMP TROUBLESHOOTING COOLING CYCLE