Application Guide and Service Manual

AIR CONDITIONERS AND HEAT PUMPS USING R-22 REFRIGERANT

NOTE: Read the entire instruction manual before starting the installation.

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TABLE OF CONTENTS

 

SAFETY CONSIDERATIONS

1

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

Compressor Start Assist—PTC

2

Compressor Start Assist Capacitor/Relay

2

Low-Ambient Controller

2

MotorMaster™ Control

2

Low-Ambient Pressure Switch

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

6

Liquid-Line Solenoid And Tubing Configuration

7

Charging Information

8

2–Speed Applications

8

UNIT IDENTIFICATION

8

Product Number Stamped on Unit-Rating Plate

8

Serial Number Identification

9

CABINET

10

Remove Top Cover—Before 1/1/92

10

Remove Fan-Motor Assembly—Before 1/1/92

10

Information Plate—Reliant Products

10

Control-Box Cover—Cube Products

10

Remove Top Cover— After 1/1/92

10

Remove Fan-Motor Assembly—After 1/1/92

11

ELECTRICAL

12

Aluminum Wire

12

Contactors

13

Capacitors

14

Cycle Protector

15

Crankcase Heater

16

Time-Delay Relay

16

Pressure Switches

17

Defrost Thermostats

18

Defrost-Control Board

18

—1—

Cancels: AP01-3, SM01,02-4

SM01,02-5

 

 

10-00

Fan Motors

21

Service Alarm Control Board

21

Outdoor Thermostat(s)

22

Compressor Plug

24

Low-Voltage Terminals

25

RECIPROCATING COMPRESSOR

25

Mechanical Failures

25

Electrical Failures

26

System Cleanup After Burnout

27

Compressor Removal And Replacement

27

COPELAND SCROLL COMPRESSOR

28

Features

28

Troubleshooting

28

Discharge Thermostat

28

Discharge Solenoid Valve

28

MILLENNIUM SCROLL COMPRESSOR

29

Features

29

Compressor Protection

29

Troubleshooting

29

Scroll Compressor, 3–Phase Monitor

29

TWO-SPEED SYSTEM

29

Cautions and Warnings

29

System Functions

29

Factory Defaults

33

Major Components

33

LED Function/Malfunction Lights

34

Troubleshooting

34

REFRIGERATION SYSTEM

35

Refrigeration Cycle

35

Leak Detection

35

Brazing

37

Service Valves

38

Check-Flo-Rater™ (Bypass-Type) Heat Pumps Only

...........39

Reversing Valve

39

Thermostatic-Expansion Valves (TXV)

40

Thermostatic-Expansion Valve (Bi-Flow TXV)

41

Coil Removal

41

Liquid-Line Strainer (Heat Pumps Only)

41

Accumulator

43

Contaminant Removal

43

System Charging

43

Checking Charge

43

CARE AND MAINTENANCE

45

SAFETY CONSIDERATIONS

Service and repair of these units should be attempted only by trained service technicians familiar with Bryant standard service instructions and training manual.

All equipment should be installed in accordance with accepted practices and unit Installation Instructions, and in compliance with all national and local codes.

Power should be turned off when servicing or repairing electrical components. Extreme caution should be observed when trouble- shooting electrical components with power on. Observe all warn- ing notices posted on equipment.

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Bryant R-22 service manual Table of Contents, Safety Considerations

R-22 specifications

The Bryant R-22 stands out in the landscape of residential heating and cooling systems with its combination of efficiency, durability, and modern technology. Designed primarily for homeowners seeking comfortable climate control solutions, the R-22 model delivers consistent performance throughout varying seasonal extremes.

One of the main features of the Bryant R-22 is its high energy efficiency. Rated with a SEER (Seasonal Energy Efficiency Ratio) that meets or exceeds industry standards, this air conditioning unit is designed to reduce energy consumption while providing optimal cooling. This not only helps in lowering monthly utility bills but also promotes environmentally responsible usage.

Another notable characteristic is the unit's durability. Constructed with a robust cabinet and high-quality components, the R-22 is built to withstand the rigors of daily use, with protective features that enhance its longevity. The cabinet comes with a powder-coated finish that resists corrosion and harsh weather conditions, ensuring that the unit stays functional and aesthetically pleasing for years.

The Bryant R-22 also incorporates advanced technology to improve user experience. One such innovation is the SmartSet technology, which allows homeowners to program their unit to optimize comfort levels according to their specific needs. This programmable capability enhances energy savings and ensures that the home remains at the desired temperature when residents are present.

Moreover, the unit features a Quiet Operating System that significantly reduces noise levels, making it suitable for residential areas where noise might be a concern. The design minimizes vibrations and optimizes airflow, creating a comfortable environment without disruptive sounds.

For added convenience, the Bryant R-22 is compatible with various thermostat options, including Wi-Fi-enabled models. This allows users to control their home's climate from anywhere using a smartphone app, facilitating effortless adjustments and monitoring of energy usage.

Finally, the Bryant R-22 is backed by a solid warranty, providing peace of mind for homeowners. This commitment to quality and customer satisfaction is a testament to Bryant’s dedication to producing reliable and efficient HVAC solutions. Overall, the Bryant R-22 is an exemplary choice for those looking to enhance their home comfort with the latest in HVAC technology.