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Amana AU150KW - User Manual

Amana AU150KW
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Service
This manual is to be used by qualified
appliance technicians only. Amana does not
assume any responsibility for property damage
or personal injury for improper service
procedures done by an unqualified person.
RS1500000
Revision 2
November 1999
Upright Freezers
Models and manufacturing
numbers in this manual
ESU12JW P1311101W
ESU15JW P1311102W
ESU17JW P1311103W
ESU20JW P1311104W
ESUF15JW P1311105W
ESUF17JW P1311106W
ESUF20JW P1311107W
ESU12JW P1179615W
ESU15JW P1179616W
ESU17JW P1179617W
ESU20JW P1179618W
ESUF15JW P1179619W
ESUF17JW P1179620W
ESUF20JW P1179621W
AU120KW P1317701WW
AU120KW P1317714WW
AU150KW P1317702WW
AU150KW P1317715WW
AU170KW P1317703WW
AU170KW P1317716WW
AU200KW P1317704WW
AU200KW P1317717WW
AUF150KW P1317705WW
AUF150KW P1317718WW
AUF170KW P1317706WW
AUF170KW P1317719WW
AUF200KW P1317707WW
AUF200KW P1317720WW
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Summary

Model Identification

Installation Instructions

Unpacking

Steps for removing packaging and protective materials from the freezer.

General

General guidelines for handling and moving the freezer safely.

Location

Recommendations for placing the freezer for optimal performance and safety.

Electrical Connection

Instructions for connecting the freezer to a power source.

Door Handle

Steps for installing and securing the freezer door handle.

Leveling

Procedures for leveling the freezer using adjustable legs.

Test After Installation

Checks to perform after the freezer has been installed.

General Instructions

Electrical Requirements

Specifies voltage, amperage, and grounding requirements for safe operation.

Asure Extended Service Plan

Information about purchasing an extended service plan.

Proper Disposal of your Freezer

Guidelines for safely disposing of an old freezer unit.

Operating Instructions

Setting Controls

Guidance on setting the temperature control for efficient operation.

Temperature Control

Detailed explanation of the temperature control dial and its settings.

Audible Alarm (Some models)

Information on the function and settings of the audible alarm system.

Features

Door Lock

Instructions for operating the freezer's door lock mechanism.

Reversible Rack (some models)

How to remove and replace a reversible storage rack.

Freezing Guide

Wrapping

Recommendations for proper food wrapping for freezer storage.

Freezing Guidelines

Recommended storage times for various food items at 0°F.

Care and Cleaning

General

Basic instructions for cleaning interior and exterior surfaces.

Adhesives

Method for removing adhesive residue using toothpaste.

Door Gaskets

How to clean and maintain door gaskets for a proper seal.

Odor Removal

Steps to eliminate odors from the freezer interior.

Defrosting

Procedure for manually defrosting the freezer when frost accumulates.

Light Bulb (some models)

Instructions for replacing the interior light bulb.

General Tips

Energy Tips

Advice on operating the freezer efficiently to save energy.

Vacation Tips

Recommendations for freezer maintenance during long absences.

Normal Operating Sounds

Explanation of common sounds the freezer may make during operation.

Before Calling For Service

Troubleshooting steps for common operational issues before contacting service.

Operating Sounds

Detailed explanation of normal operating sounds with diagrams.

Component Testing

Refrigeration System Test Procedures

Steps for testing the refrigeration system using temperature testers.

Testing Main Condenser

Procedure for testing the main condenser for leaks using nitrogen.

Testing for Leaks

Safety warnings and procedures for testing refrigeration systems for leaks.

Electrical System

Grounding and wiring considerations for electrical components.

Compressor Electrical Tests

Steps for testing compressor electrical connections and voltage.

Testing Compressor Direct

Method for directly testing the compressor's operation.

Overload Protector

Explanation of the overload protector and its function.

Testing Overload Protector

How to test the overload protector for continuity.

PTC Relay

Information about the PTC relay and its role in compressor starting.

Testing PTC Relay

Procedure for testing the PTC relay using an ohmmeter.

Interior Light and Switch

Troubleshooting and replacement of the interior light and switch.

Checking Control Operation

How to check the temperature control for proper operation.

Temperature Control

Testing cut-in and cut-out temperatures for the control.

Defrost Timer

Explanation of the defrost timer's operation and circuits.

Checking Timer

Procedure for testing the defrost timer for continuity and function.

Defrost Heater and Thermostat

Testing the defrost heater and thermostat for proper operation.

Freezer Fan No-Defrosting Models

Description of the freezer fan's function in no-defrost models.

Testing Freezer Fan Motor

Steps to test the freezer fan motor for operation.

Audible Warning System (some models)

Information on the audible alarm system and its settings.

Performance Data at Control Setting #4

Table showing performance data for manual and auto defrost models.

Troubleshooting

Frost build-up on freezer coil

Possible causes and corrections for frost build-up on the freezer coil.

Compressor does not run

Troubleshooting steps when the compressor fails to start.

Excessively noisy but works

Diagnosing and correcting excessive noise during operation.

Compressor runs but freezer temperature is higher than necessary

Reasons for high freezer temperature despite compressor running.

Compressor does not run and no light

Troubleshooting combined issues of compressor failure and no light.

Sweating but freezer is working normally otherwise

Identifying causes of exterior sweating on the freezer.

Compressor runs, but short cycles

Diagnosing short cycling of the compressor.

Compressor runs but does not freeze

Troubleshooting when the freezer fails to reach freezing temperatures.

Compressor runs excessively Freezer too cold

Addressing issues where the freezer becomes excessively cold.

Defrost water disposal problem

Solutions for issues related to defrost water drainage.

Disassembly Procedures

Replacing Dryer

Step-by-step guide for replacing the refrigerant drier.

Replacing Compressor

Procedures for removing and installing a replacement compressor.

Replacing Heat Exchanger Refrigerated Shelf Models

Steps to replace the heat exchanger in refrigerated shelf models.

Replacing Heat Exchanger No-Defrosting Models

Steps to replace the heat exchanger in no-defrosting models.

Replacing Freezer Shelving Refrigerated Shelf Models

How to replace freezer shelving units in refrigerated shelf models.

Replacing Freezer Coil No-Defrosting Models

Procedure for removing and replacing the freezer coil in no-defrost models.

Replacing Light Switch

Instructions for replacing the interior light switch.

Replacing Control

Steps for removing and installing the temperature control assembly.

Replacing Heater

Procedure for replacing the defrost heater element.

Replacing Freezer Fan Motor

Steps to replace the freezer fan motor assembly.

Cabinet Door Assembly

Breakdown of the cabinet door components and assembly.

Removing Cabinet Door Assembly

Steps to remove the entire cabinet door assembly.

Install Cabinet Door Assembly

Procedure for reinstalling the cabinet door assembly.

Install Door Liner And Gasket

How to install the inner door liner and gasket.

Removing the Door Handle

Steps for removing the freezer door handle.

Door Lock Assembly

Explanation of the door lock mechanism and its operation.

Removing Door Lock Assembly

Detailed steps for removing the door lock assembly.

Cabinet Door Alignment

How to align the cabinet door for proper sealing.

Checking Gasket Seal

Methods to test the effectiveness of the door gasket seal.

Improving Gasket Seal

Techniques to improve or correct door gasket sealing.

Hinge Adjustments

Adjustments to hinges for proper door alignment and sealing.

Cabinet Assembly

Overview of the main cabinet shell and its components.

Cabinet Liner (Food)

Description of the cabinet liner and its components.

Drain System

General overview of the freezer's defrost water drain system.

Drain System Refrigerated Shelf Models

Specifics of the drain system for refrigerated shelf models.

Drain System No-Defrost Models

Specifics of the drain system for no-defrost models.

Service Information

System Operation

How the refrigeration system operates and common issues.

Failed Compressor

Symptoms and diagnosis of a failed compressor.

Restricted Capillary Tube

Identifying and diagnosing restrictions in the capillary tube.

Moisture in the System

Problems caused by moisture in the refrigerant system.

Incorrect Refrigerant Charge

Issues related to over or undercharging the refrigerant system.

Partial Restriction in Low Side Tubing

Diagnosing partial restrictions in the low side tubing.

Pressure Unloading in System

Understanding compressor pressure unloading.

Pull Down Over Load

Causes of compressor overload during initial pull-down.

Checking Operating Pressures

Procedures for checking refrigeration system operating pressures.

Operational Testing

Performing operational checks on the freezer.

Service Hints

General tips and advice for servicing the freezer.

Owners Manual

Guidance for acquainting customers with the owner's manual.

Usage

Common abnormal usage patterns leading to service calls.

Compressor On And Off Periods

Understanding normal compressor cycle times and variations.

Noise

Explanation of normal operating noises, including "gurgling".

Voids In Urethane Foam Insulation

Identifying and addressing voids in the freezer's foam insulation.

Refrigeration System Complaints

Common customer complaints and diagnostic steps.

Refrigerant Leaks

Safety warnings and procedures for detecting refrigerant leaks.

Symptoms of refrigerant leaks

Signs indicating a refrigerant leak within the system.

External Or Internal Leak

Differentiating and locating external versus internal refrigerant leaks.

Finding Internal Leak

Method for confirming internal leaks via pressure testing.

Condenser Leak (Internal)

Diagnosis and handling of internal leaks in the condenser.

Evaporator Leak (Internal)

Diagnosis and repair of internal leaks in the evaporator.

Evacuation and Charging Procedures

Steps for evacuating and charging the refrigerant system.

HFC134 a Refrigerant

Information on HFC134a refrigerant properties and handling.

Health, Safety, and Handling

Safety considerations for handling HFC134a refrigerant.

Comparison of CFC12 and HFC134 a

Table comparing CFC12 and HFC134a properties and safety.

Service Equipment

List of tools and equipment required for HFC134a servicing.

Drier Replacement

Procedures for replacing the drier filter in sealed systems.

Replacement HFC134 a Service Compressor

Steps for installing a replacement HFC134a compressor.

Refrigerant Charge

Importance of correct refrigerant charge for performance.

Leak Testing

Methods for testing sealed systems for leaks.

Evacuation and Charging

Safety warnings for evacuation and charging procedures.

Evacuation and Charging Typical Setup

Diagram and steps for typical evacuation and charging setup.

Dehydrating Sealed Refrigeration System

Process for dehydrating sealed refrigerant systems to prevent acid formation.

Brazing

Precautions and materials for brazing refrigeration components.

Refrigerant Precautions

Safety warnings regarding handling refrigerants.

Open Lines

Risks associated with leaving refrigeration lines open to the atmosphere.

Line Piercing Valves

Use and limitations of line piercing valves for diagnosis.

Altitude Adjustment

How to adjust temperature control for altitude variations.

Cabinet Shell

Description of the freezer's outer cabinet construction.

Cabinet Liner (Food)

Description of the cabinet liner and its components.

Drain System

General overview of the freezer's defrost water drain system.

Drain System Refrigerated Shelf Models

Specifics of the drain system for refrigerated shelf models.

Drain System No-Defrost Models

Specifics of the drain system for no-defrost models.

Wiring Diagram and Schematic

Ground schematic

Diagram showing grounding connections for various components.

Ground schematic

Grounding schematic for specific model configurations.

Ground schematic

Grounding schematic illustrating connections for defrost and control systems.

Summary

Model Identification

Installation Instructions

Unpacking

Steps for removing packaging and protective materials from the freezer.

General

General guidelines for handling and moving the freezer safely.

Location

Recommendations for placing the freezer for optimal performance and safety.

Electrical Connection

Instructions for connecting the freezer to a power source.

Door Handle

Steps for installing and securing the freezer door handle.

Leveling

Procedures for leveling the freezer using adjustable legs.

Test After Installation

Checks to perform after the freezer has been installed.

General Instructions

Electrical Requirements

Specifies voltage, amperage, and grounding requirements for safe operation.

Asure Extended Service Plan

Information about purchasing an extended service plan.

Proper Disposal of your Freezer

Guidelines for safely disposing of an old freezer unit.

Operating Instructions

Setting Controls

Guidance on setting the temperature control for efficient operation.

Temperature Control

Detailed explanation of the temperature control dial and its settings.

Audible Alarm (Some models)

Information on the function and settings of the audible alarm system.

Features

Door Lock

Instructions for operating the freezer's door lock mechanism.

Reversible Rack (some models)

How to remove and replace a reversible storage rack.

Freezing Guide

Wrapping

Recommendations for proper food wrapping for freezer storage.

Freezing Guidelines

Recommended storage times for various food items at 0°F.

Care and Cleaning

General

Basic instructions for cleaning interior and exterior surfaces.

Adhesives

Method for removing adhesive residue using toothpaste.

Door Gaskets

How to clean and maintain door gaskets for a proper seal.

Odor Removal

Steps to eliminate odors from the freezer interior.

Defrosting

Procedure for manually defrosting the freezer when frost accumulates.

Light Bulb (some models)

Instructions for replacing the interior light bulb.

General Tips

Energy Tips

Advice on operating the freezer efficiently to save energy.

Vacation Tips

Recommendations for freezer maintenance during long absences.

Normal Operating Sounds

Explanation of common sounds the freezer may make during operation.

Before Calling For Service

Troubleshooting steps for common operational issues before contacting service.

Operating Sounds

Detailed explanation of normal operating sounds with diagrams.

Component Testing

Refrigeration System Test Procedures

Steps for testing the refrigeration system using temperature testers.

Testing Main Condenser

Procedure for testing the main condenser for leaks using nitrogen.

Testing for Leaks

Safety warnings and procedures for testing refrigeration systems for leaks.

Electrical System

Grounding and wiring considerations for electrical components.

Compressor Electrical Tests

Steps for testing compressor electrical connections and voltage.

Testing Compressor Direct

Method for directly testing the compressor's operation.

Overload Protector

Explanation of the overload protector and its function.

Testing Overload Protector

How to test the overload protector for continuity.

PTC Relay

Information about the PTC relay and its role in compressor starting.

Testing PTC Relay

Procedure for testing the PTC relay using an ohmmeter.

Interior Light and Switch

Troubleshooting and replacement of the interior light and switch.

Checking Control Operation

How to check the temperature control for proper operation.

Temperature Control

Testing cut-in and cut-out temperatures for the control.

Defrost Timer

Explanation of the defrost timer's operation and circuits.

Checking Timer

Procedure for testing the defrost timer for continuity and function.

Defrost Heater and Thermostat

Testing the defrost heater and thermostat for proper operation.

Freezer Fan No-Defrosting Models

Description of the freezer fan's function in no-defrost models.

Testing Freezer Fan Motor

Steps to test the freezer fan motor for operation.

Audible Warning System (some models)

Information on the audible alarm system and its settings.

Performance Data at Control Setting #4

Table showing performance data for manual and auto defrost models.

Troubleshooting

Frost build-up on freezer coil

Possible causes and corrections for frost build-up on the freezer coil.

Compressor does not run

Troubleshooting steps when the compressor fails to start.

Excessively noisy but works

Diagnosing and correcting excessive noise during operation.

Compressor runs but freezer temperature is higher than necessary

Reasons for high freezer temperature despite compressor running.

Compressor does not run and no light

Troubleshooting combined issues of compressor failure and no light.

Sweating but freezer is working normally otherwise

Identifying causes of exterior sweating on the freezer.

Compressor runs, but short cycles

Diagnosing short cycling of the compressor.

Compressor runs but does not freeze

Troubleshooting when the freezer fails to reach freezing temperatures.

Compressor runs excessively Freezer too cold

Addressing issues where the freezer becomes excessively cold.

Defrost water disposal problem

Solutions for issues related to defrost water drainage.

Disassembly Procedures

Replacing Dryer

Step-by-step guide for replacing the refrigerant drier.

Replacing Compressor

Procedures for removing and installing a replacement compressor.

Replacing Heat Exchanger Refrigerated Shelf Models

Steps to replace the heat exchanger in refrigerated shelf models.

Replacing Heat Exchanger No-Defrosting Models

Steps to replace the heat exchanger in no-defrosting models.

Replacing Freezer Shelving Refrigerated Shelf Models

How to replace freezer shelving units in refrigerated shelf models.

Replacing Freezer Coil No-Defrosting Models

Procedure for removing and replacing the freezer coil in no-defrost models.

Replacing Light Switch

Instructions for replacing the interior light switch.

Replacing Control

Steps for removing and installing the temperature control assembly.

Replacing Heater

Procedure for replacing the defrost heater element.

Replacing Freezer Fan Motor

Steps to replace the freezer fan motor assembly.

Cabinet Door Assembly

Breakdown of the cabinet door components and assembly.

Removing Cabinet Door Assembly

Steps to remove the entire cabinet door assembly.

Install Cabinet Door Assembly

Procedure for reinstalling the cabinet door assembly.

Install Door Liner And Gasket

How to install the inner door liner and gasket.

Removing the Door Handle

Steps for removing the freezer door handle.

Door Lock Assembly

Explanation of the door lock mechanism and its operation.

Removing Door Lock Assembly

Detailed steps for removing the door lock assembly.

Cabinet Door Alignment

How to align the cabinet door for proper sealing.

Checking Gasket Seal

Methods to test the effectiveness of the door gasket seal.

Improving Gasket Seal

Techniques to improve or correct door gasket sealing.

Hinge Adjustments

Adjustments to hinges for proper door alignment and sealing.

Cabinet Assembly

Overview of the main cabinet shell and its components.

Cabinet Liner (Food)

Description of the cabinet liner and its components.

Drain System

General overview of the freezer's defrost water drain system.

Drain System Refrigerated Shelf Models

Specifics of the drain system for refrigerated shelf models.

Drain System No-Defrost Models

Specifics of the drain system for no-defrost models.

Service Information

System Operation

How the refrigeration system operates and common issues.

Failed Compressor

Symptoms and diagnosis of a failed compressor.

Restricted Capillary Tube

Identifying and diagnosing restrictions in the capillary tube.

Moisture in the System

Problems caused by moisture in the refrigerant system.

Incorrect Refrigerant Charge

Issues related to over or undercharging the refrigerant system.

Partial Restriction in Low Side Tubing

Diagnosing partial restrictions in the low side tubing.

Pressure Unloading in System

Understanding compressor pressure unloading.

Pull Down Over Load

Causes of compressor overload during initial pull-down.

Checking Operating Pressures

Procedures for checking refrigeration system operating pressures.

Operational Testing

Performing operational checks on the freezer.

Service Hints

General tips and advice for servicing the freezer.

Owners Manual

Guidance for acquainting customers with the owner's manual.

Usage

Common abnormal usage patterns leading to service calls.

Compressor On And Off Periods

Understanding normal compressor cycle times and variations.

Noise

Explanation of normal operating noises, including "gurgling".

Voids In Urethane Foam Insulation

Identifying and addressing voids in the freezer's foam insulation.

Refrigeration System Complaints

Common customer complaints and diagnostic steps.

Refrigerant Leaks

Safety warnings and procedures for detecting refrigerant leaks.

Symptoms of refrigerant leaks

Signs indicating a refrigerant leak within the system.

External Or Internal Leak

Differentiating and locating external versus internal refrigerant leaks.

Finding Internal Leak

Method for confirming internal leaks via pressure testing.

Condenser Leak (Internal)

Diagnosis and handling of internal leaks in the condenser.

Evaporator Leak (Internal)

Diagnosis and repair of internal leaks in the evaporator.

Evacuation and Charging Procedures

Steps for evacuating and charging the refrigerant system.

HFC134 a Refrigerant

Information on HFC134a refrigerant properties and handling.

Health, Safety, and Handling

Safety considerations for handling HFC134a refrigerant.

Comparison of CFC12 and HFC134 a

Table comparing CFC12 and HFC134a properties and safety.

Service Equipment

List of tools and equipment required for HFC134a servicing.

Drier Replacement

Procedures for replacing the drier filter in sealed systems.

Replacement HFC134 a Service Compressor

Steps for installing a replacement HFC134a compressor.

Refrigerant Charge

Importance of correct refrigerant charge for performance.

Leak Testing

Methods for testing sealed systems for leaks.

Evacuation and Charging

Safety warnings for evacuation and charging procedures.

Evacuation and Charging Typical Setup

Diagram and steps for typical evacuation and charging setup.

Dehydrating Sealed Refrigeration System

Process for dehydrating sealed refrigerant systems to prevent acid formation.

Brazing

Precautions and materials for brazing refrigeration components.

Refrigerant Precautions

Safety warnings regarding handling refrigerants.

Open Lines

Risks associated with leaving refrigeration lines open to the atmosphere.

Line Piercing Valves

Use and limitations of line piercing valves for diagnosis.

Altitude Adjustment

How to adjust temperature control for altitude variations.

Cabinet Shell

Description of the freezer's outer cabinet construction.

Cabinet Liner (Food)

Description of the cabinet liner and its components.

Drain System

General overview of the freezer's defrost water drain system.

Drain System Refrigerated Shelf Models

Specifics of the drain system for refrigerated shelf models.

Drain System No-Defrost Models

Specifics of the drain system for no-defrost models.

Wiring Diagram and Schematic

Ground schematic

Diagram showing grounding connections for various components.

Ground schematic

Grounding schematic for specific model configurations.

Ground schematic

Grounding schematic illustrating connections for defrost and control systems.

Amana AU150KW Specifications

General IconGeneral
BrandAmana
ModelAU150KW
CategoryFreezer
TypeUpright Freezer
ColorWhite
Energy Star CertifiedNo
Defrost TypeManual
Shelves4

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