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Bryant 559K 08 Series - User Manual

Bryant 559K 08 Series
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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53559012-01 Printed in U.S.A. Form No. SM559K-8-16-01 Pg 1 11-23 Replaces: New
Service and Maintenance Instructions
CONTENTS
Page
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 1
UNIT ARRANGEMENT AND ACCESS . . . . . . . . . . . . . . 2
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Routine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
SUPPLY FAN (BLOWER) SECTION . . . . . . . . . . . . . . . . 4
Supply Fan (Direct-Drive) . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2-Speed Indoor Fan Motor . . . . . . . . . . . . . . . . . . . . . . . . 12
COOLING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Condenser Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Condenser Coil Maintenance and Cleaning
Recommendation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Evaporator Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Evaporator Coil Metering Devices . . . . . . . . . . . . . . . . . . 14
THERMOSTATIC EXPANSION VALVE (TXV) . . . . . 14
TXV Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Replacing TXV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Refrigerant System Pressure Access Ports . . . . . . . . . . . . 14
PURON (R-410A) REFRIGERANT . . . . . . . . . . . . . . . . . 15
Refrigerant Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
COMPRESSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Replacing Compressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Compressor Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Filter Drier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Condenser-Fan Adjustment . . . . . . . . . . . . . . . . . . . . . . . . 21
Troubleshooting Cooling System . . . . . . . . . . . . . . . . . . . . 22
CONVENIENCE OUTLETS . . . . . . . . . . . . . . . . . . . . . . 23
Convenience Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Installing Weatherproof Cover . . . . . . . . . . . . . . . . . . . . . 23
Non-Powered Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Unit-Powered Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Duty Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Fuse on Powered Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
ELECTRIC HEATERS . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Completing Heater Installation . . . . . . . . . . . . . . . . . . . . . 25
SMOKE DETECTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Smoke Detector Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Smoke Detector Locations . . . . . . . . . . . . . . . . . . . . . . . . . 26
Completing Installation of Return Air Smoke
Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
FIOP Smoke Detector Wiring and Response . . . . . . . . . . 29
SENSOR AND CONTROLLER TESTS . . . . . . . . . . . . . 30
Sensor Alarm Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Controller Alarm Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Dirty Controller Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Dirty Sensor Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Changing the Dirt Sensor Test . . . . . . . . . . . . . . . . . . . . . 30
Remote Station Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
SD-TRK4 Remote Alarm Test Procedure . . . . . . . . . . . . 31
Remote Test/Reset Station Dirty Sensor Test . . . . . . . . . 31
Dirty Sensor Test Using an SD-TRK4 . . . . . . . . . . . . . . . 31
Detector Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
PROTECTIVE DEVICES . . . . . . . . . . . . . . . . . . . . . . . . . 32
Compressor Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Relief Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Control Circuit, 24-V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
ECONOMIZER SYSTEMS . . . . . . . . . . . . . . . . . . . . . . . 34
EconoMi$er IV (Field-Installed Accessory) . . . . . . . . . . . 35
Economi$er X (Factory Option) . . . . . . . . . . . . . . . . . . . . 45
PRE-START-UP/START-UP . . . . . . . . . . . . . . . . . . . . . . 57
START-UP, GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Unit Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Additional Installation/Inspection . . . . . . . . . . . . . . . . . . 57
Return-Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Outdoor-Air Inlet Screens . . . . . . . . . . . . . . . . . . . . . . . . . 57
Compressor Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Internal Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Refrigerant Service Ports . . . . . . . . . . . . . . . . . . . . . . . . . 57
Compressor Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Ventilation (Continuous Fan) . . . . . . . . . . . . . . . . . . . . . . 58
FASTENER TORQUE VALUES . . . . . . . . . . . . . . . . . . . 58
GENERAL FAN PERFORMANCE NOTES . . . . . . . . . 63
APPENDIX A — MODEL NUMBER
NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
APPENDIX B — PHYSICAL DATA . . . . . . . . . . . . . . . . 60
APPENDIX C — FAN PERFORMANCE . . . . . . . . . . . . 63
APPENDIX D — WIRING DIAGRAMS . . . . . . . . . . . . . 84
APPENDIX E — LOW AMBIENT CONTROL SENSOR
LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . . . . . CL-1
SAFETY CONSIDERATIONS
Installation and servicing of air-conditioning equipment can be
hazardous due to system pressure and electrical components. Only
trained and qualified service personnel should install, repair, or
service air-conditioning equipment. Untrained personnel can per-
form the basic maintenance functions of replacing filters. Trained
service personnel should perform all other operations.
When working on air-conditioning equipment, observe precau-
tions in the literature, tags and labels attached to the unit, and
other safety precautions that may apply. Follow all safety codes.
Wear safety glasses and work gloves. Use quenching cloth for
unbrazing operations. Have fire extinguishers available for all
brazing operations.
Follow all safety codes. Wear safety glasses and work gloves. Use
quenching cloth for brazing operations. Have fire extinguisher
559K*08-16
Single Package Rooftop Electric Cooling Unit
with Puron® (R-410A) Refrigerant
7.5 to 15 Nominal Tons

Table of Contents

Questions and Answers

  • J
    Joshua ThompsonAug 17, 2025
    What to do if my Bryant 559K 08 compressor operates continuously?
    • S
      Susan RamosAug 17, 2025
      If your Bryant Freezer's compressor is running non-stop, consider these possible causes: * The air filter might be dirty; replace it. * The unit might be undersized for the load; decrease the load or increase the unit size. * The thermostat could be set too low (for cooling); reset the thermostat. * There might be a low refrigerant charge; locate the leak, repair it, and recharge the system. * Air could be in the system; recover the refrigerant, evacuate the system, and recharge. * The outdoor coil could be dirty or restricted; clean the coil or remove the restriction.
  • A
    adam30Aug 20, 2025
    How to fix a Bryant 559K 08 when the compressor won't start but the outdoor fan runs?
    • C
      Cheyenne BrownAug 20, 2025
      If the compressor on your Bryant Freezer isn't starting but the outdoor fan is running, here's what could be happening: * There might be faulty wiring or loose connections in the compressor circuit. Check the wiring and repair or replace as needed. * The compressor motor could be burned out, seized, or have an internal overload open. Determine the cause and replace the compressor, or allow enough time for the internal overload to cool and reset. * A defective run/start capacitor, overload, or start relay could be the issue. Determine the cause and replace the compressor, or allow enough time for the internal overload to cool and reset. * One leg of the 3-phase power might be dead. Replace the fuse or reset the circuit breaker, and determine the cause.
  • J
    Juan LaneAug 25, 2025
    Why does my Bryant Freezer compressor cycle on and off too frequently?
    • S
      Sara DeanAug 25, 2025
      If your Bryant Freezer's compressor is cycling more than it should (not just when satisfying the thermostat), here are some potential causes: * Refrigerant overcharge or undercharge: Recover refrigerant, evacuate system, and recharge to nameplate. * Defective compressor: Replace and determine cause. * Insufficient line voltage: Determine cause and correct. * Blocked outdoor coil or dirty air filter: Determine cause and correct. * Defective Run/Start capacitor, overload, start relay: Determine cause and correct. * Defective thermostat: Replace thermostat. * Faulty outdoor-fan (cooling) or indoor-fan (heating) motor or capacitor: Replace faulty part. * Restriction in refrigerant system: Locate restriction and remove. * Defective loader plug: Determine cause and replace.
  • E
    ehowellAug 27, 2025
    What causes low suction pressure in a Bryant 559K 08 Freezer?
    • T
      Theresa KelleyAug 27, 2025
      Low suction pressure in your Bryant Freezer could be due to several factors: * A dirty air filter (cooling). Replace the filter. * Dirt or a heavily iced outdoor coil (heating). Clean the outdoor coil and check the defrost cycle operation. * Low refrigerant charge. Check for leaks; repair and recharge. * A restricted metering device or low side. Remove the source of restriction. * Insufficient indoor airflow (cooling mode). Increase air quantity and check the filter, replacing it if necessary. * Temperature too low in the conditioned area. Reset the thermostat. * A field-installed filter drier is restricted. Replace it. * Outdoor ambient temperature below 25°F (cooling). Install a low-ambient kit. * Outdoor fan motor(s) not operating (heating). Check fan motor operation.
  • K
    Kyle BrownAug 31, 2025
    How do I troubleshoot excessive head pressure in my Bryant 559K 08 Freezer?
    • J
      Johnny SmithAug 31, 2025
      Excessive head pressure in your Bryant Freezer can stem from: * A dirty filter. Replace the filter. * A dirty outdoor coil (cooling). Clean the coil. * Refrigerant overcharge. Recover excess refrigerant. * Air in the system. Recover refrigerant, evacuate the system, and recharge. * Condensing air restricted or air short-cycling. Determine the cause and correct it.
  • L
    Linda RodriguezSep 2, 2025
    What could cause excessive suction pressure in a Bryant 559K 08 Freezer?
    • W
      wdawsonSep 3, 2025
      Excessive suction pressure in your Bryant Freezer could be caused by: * High heat load. Check for the source and eliminate it. * Defective compressor scroll plates. Replace the compressor. * Refrigerant overcharge. Recover excess refrigerant.
  • L
    Laura RobertsonSep 6, 2025
    What to do if the head pressure is too low in my Bryant 559K 08 Freezer?
    • L
      lskinnerSep 6, 2025
      If the head pressure in your Bryant Freezer is too low, it may be due to: * Low refrigerant charge. Check for leaks, repair, and recharge. * Defective compressor scroll plates. Replace the compressor. * Restriction in the liquid tube. Remove the restriction.
  • B
    Breanna White MDSep 9, 2025
    Why is my Bryant 559K 08 compressor making excessive noise?
    • E
      Emily MercerSep 9, 2025
      If your Bryant Freezer compressor is making excessive noise, it might be rotating in the wrong direction. In this case, reverse the 3-phase power leads as described in Start-Up.
  • J
    Jason FloresNov 13, 2025
    Why won't my Bryant 559K 08 Freezer compressor and outdoor fan start?
    • L
      lowepatriciaNov 13, 2025
      There are several potential reasons why the compressor and outdoor fan on your Bryant Freezer might not start: * There could be a power failure. In this case, you should call your power company. * A fuse might be blown, or a circuit breaker tripped. Replace the fuse or reset the circuit breaker, and determine the root cause. * There may be a defective thermostat, contactor, transformer, control relay, or capacitor, requiring component replacement. * Insufficient line voltage could be the issue; determine the cause and correct it. * Incorrect or faulty wiring could be the problem. Check the wiring diagram and rewire correctly. * The thermostat setting might be too high. Lower the thermostat setting below room temperature. * The high-pressure switch or low-pressure switch mig...

Summary

SAFETY CONSIDERATIONS

UNIT ARRANGEMENT AND ACCESS

Information on unit layout and access points for service and maintenance.

Routine Maintenance

SEASONAL MAINTENANCE

Maintenance tasks specific to the beginning of each operating season.

SUPPLY FAN (BLOWER) SECTION

Supply Fan (Direct-Drive)

Specifics of the direct-drive supply fan and its Axion Fan Technology.

EVALUATING MOTOR SPEED

SELECTING FAN SPEED

FAN SPEED SET UP

TROUBLESHOOTING THE ECM MOTOR

Removing the Motor and Fan Assembly

Disassembling Motor and Fan Assembly

Reassembly of Motor and Fan Assembly

Reinstalling Motor and Fan Assembly

Condenser Coil Maintenance and Cleaning

REMOVE SURFACE LOADED FIBERS

Method for removing surface debris from coil fins.

Separating Coil Sections

Totaline Environmentally Balanced Coil Cleaner Application

Cleaning the Evaporator Coil

THERMOSTATIC EXPANSION VALVE (TXV)

Replacing TXV

Procedure for replacing the thermostatic expansion valve.

PURON (R-410 A) REFRIGERANT

Refrigerant Charge

COOLING CHARGING CHARTS

COMPRESSOR

Compressor Rotation

How to check and ensure correct compressor rotation for 3-phase units.

Filter Drier

Guidelines for replacing the liquid-line filter drier.

Troubleshooting Cooling System

CONVENIENCE OUTLETS

Installing Weatherproof Cover

Steps for installing a weatherproof cover for the convenience outlet.

ELECTRIC HEATERS

Duty Cycle

Guidelines for operating the unit-powered convenience outlet's duty cycle.

Completing Heater Installation

FIELD POWER CONNECTIONS

How to connect field power supply conductors to heater circuits.

SMOKE DETECTORS

Controller

Description of the smoke detector controller, its LEDs, and buttons.

Smoke Detector Sensor

RETURN AIR SMOKE DETECTOR SENSOR WITHOUT ECONOMIZER

RETURN AIR SMOKE DETECTOR SENSOR WITH ECONOMIZER

Completing Installation of Return Air Smoke Detector

FIOP Smoke Detector Wiring and Response

SENSOR AND CONTROLLER TESTS

Sensor Alarm Test

Test to verify sensor's ability to signal an alarm state.

Controller Alarm Test

Test to verify controller's ability to initiate and indicate an alarm.

Dirty Sensor Test

Test to indicate sensor's compensation ability for environmental changes.

Remote Station Test

Detector Cleaning

Procedures for cleaning the duct smoke detector.

ALARM STATE

RESETTING ALARM AND TROUBLE CONDITION TRIPS

Troubleshooting

PROTECTIVE DEVICES

MIXED TEMPERATURE SENSOR

HIGH PRESSURE SWITCH

LOW PRESSURE SWITCH

SUPPLY (INDOOR) FAN MOTOR PROTECTION

ECONOMIZER SYSTEMS

EconoMi$er X Component Locations

Diagram showing component locations for the EconoMi$er X system.

EconoMi$er IV Component Locations

Diagram showing component locations for the EconoMi$er IV system.

EconoMi$er IV (Field-Installed Accessory)

ECONOMISER IV STANDARD SENSORS

Overview of standard sensors used with the EconoMi$er IV.

Outdoor Air Temperature (OAT) Sensor

Supply Air Temperature (SAT) Sensor

ECONOMISER IV CONTROL MODES

Outdoor Dry Bulb Changeover

How to configure outdoor dry bulb for economizer changeover.

Outdoor Enthalpy Changeover

How to configure outdoor enthalpy for economizer changeover.

Indoor Air Quality (IAQ) Sensor Input

Exhaust Set Point Adjustment

Minimum Position Control

Occupancy Control

Demand Controlled Ventilation (DCV)

CO2 Sensor Configuration

DCV MINIMUM AND MAXIMUM POSITION

SUPPLY-AIR SENSOR INPUT

ECONOMISER IV TROUBLESHOOTING COMPLETION

Economi$er X (Factory Option)

SPECIFICATIONS

Technical specifications for the W7220 Economizer Module.

User Interface

Description of the W7220 module's user interface and keypad.

ECONOMIZER MODULE WIRING DETAILS

Table 8 Economizer Module- Left Hand Terminal Blocks

Table 9 Economizer Module- Right Hand Terminal Blocks

S-BUS SENSOR WIRING

Table 10 - HH57 AC081 Sensor Wiring Terminations

Table 11 - HH57 AC081 Sensor DIP Switch

CO2 SENSOR WIRING

User Interface

Menu Structure

Setup and Configuration

Table 12 - W7220 Menu Structurea,b,c,d,e

SETPOINTS

Table 12 - W7220 Menu Structurea,b,c,d,e

SYSTEM SETUP

ADVANCED SETUP

CHECKOUT

ALARMS

ALARMS (cont)

Enthalpy Settings

2 Speed Fan Operation

Table 15 - Economizer Operation - FAN TYPE = 2 SPEED

CHECKOUT

Power Up

Steps for powering up the W7220 module after installation.

Status

How to use the Status menu to check configured parameters and sensors.

Checkout Tests

How to perform checkout tests for damper operation and outputs.

TROUBLESHOOTING

Alarms

How alarm messages are displayed and accessed on the economizer module.

PRE-START-UP;START-UP

PERSONAL INJURY HAZARD

Warnings and safety precautions related to personal injury during service.

ELECTRICAL OPERATION HAZARD

Warnings and precautions related to electrical hazards during service.

START-UP, GENERAL

Unit Preparation

Ensuring the unit is prepared according to installation instructions.

Compressor Rotation

FASTENER TORQUE VALUES

APPENDIX A - MODEL NUMBER NOMENCLATURE

Unit Type

Breakdown of the unit type designation in the model number.

Coil Options (RTPF)

Explanation of outdoor, indoor, and hail guard coil options.

Outdoor Air Options

Explanation of outdoor air and economizer options.

Axion Fan Van Axial Indoor Fan Options; Filter Switch Options

Explanation of fan and filter switch options.

APPENDIX B - PHYSICAL DATA

REFRIGERATION SYSTEM

Physical data related to the refrigeration system.

EVAPORATOR COIL

Physical specifications for the evaporator coil.

CONDENSER COIL

Physical specifications for the condenser coil.

EVAPORATOR FAN AND MOTOR

Physical data for the evaporator fan and motor assemblies.

APPENDIX C - FAN PERFORMANCE

GENERAL FAN PERFORMANCE NOTES

Important notes and guidelines for interpreting fan performance data.

APPENDIX D - WIRING DIAGRAMS

559 K*08-16 - Wiring Diagrams - Standard;Medium SCCR

List of wiring diagrams for standard/medium SCCR units.

559 K*08-16 Wiring Diagrams - High SCCR

List of wiring diagrams for high SCCR units.

APPENDIX E - LOW AMBIENT CONTROL SENSOR LOCATION

START-UP CHECKLIST

I. PRELIMINARY INFORMATION

Section for recording preliminary job and unit information.

II. PRE-START-UP

Checks to perform before initial unit start-up.

III. START-UP

Electrical and temperature checks to perform during initial start-up.

PRESSURES

GENERAL

IV. PERFECT HUMIDITY TM SYSTEM START-UP STEPS

OBSERVE AND RECORD

Steps to observe and record system parameters during operation.

OBSERVE

Observations to make regarding system performance during cooling and dehumidification modes.

Bryant 559K 08 Series Specifications

General IconGeneral
CategoryFreezer
Model559K 08 Series
TypeUpright Freezer
ColorWhite
Energy Star CertifiedNo
Reversible Door SwingYes
Defrost TypeManual