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Monogram ZIS42 - User Manual

Monogram ZIS42
36 pages
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Monogratn
Refrigerator
Service
Manual
Models
- ZIS36, 42,
48
THIS MANUAL IS INTENDED
FOR USE BY A QUALIFIED
SERVICER ONLY
WE STRONGLY RECOMMEND THAT
ANY S.ERVICE BE PERFORMED
BY A QUALIFIED SERVICE PERSON.
Pub.
No.
31-5238

Table of Contents

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Summary

Important Safety Notice

Safe Servicing Practices - Part 1

Disconnect power before servicing and handle electrical checks with care.

Avoid Bypassing Features

Do not interfere with or bypass any engineered features, parts, or devices.

Use Specified Replacement Parts

Use specified GE Appliances parts or equivalent for replacements to ensure performance.

Pre-Power Reconnection Checks

Verify all connections, wire dressing, spacing, grounds, water, and panel reassembly before power.

Refer to Service Handbook

Consult the GE Appliance Service Handbook for additional safe servicing practices.

Safe Servicing Practices - Part 2

Repair Confidence Check

Do not attempt repairs if unsure about safe and satisfactory completion.

Injury and Damage Risks

Explains risks like shock, burns, fire, flood from improper servicing.

Preface and Manual Usage

Manual Usage Guidance

Use this manual with the product's Mini-Manual for comprehensive model information.

Wiring Diagram Location

Electrical data, schematics, and wiring diagrams are in the Mini-Manual.

Installation Procedures

Electrical Connection Setup

Details on providing a 115 volt electrical receptacle and precautions when disconnecting the power cord.

Water Connection Setup

Requirements for connecting copper tubing to the water valve and water supply line pressure.

Leveling and Panel Installation

Refrigerator Leveling

Ensuring the refrigerator is level (zero tilt) front-to-back and side-to-side using rollers and adjustment bolts.

Decorative Panel Installation

Information on custom-made decorative panels for doors, top, and sides, and caution regarding servicing them.

Top Panel Mounting

How the top panel is mounted using a trim frame, locator pins, and slotted brackets for adjustment.

Door and Base Panel Servicing

Door Panel Removal

Procedure for removing custom door panels by accessing screws after removing handles and trim.

Base Panel Attachment

Description of the plastic base panel attached to the cabinet with screws for access.

Operation and Performance

Temperature Control Settings

Location and function of freezer and fresh food temperature controls, recommended settings, and stabilization time.

Freezer Control Function

An electrical temperature control sensing air supply to regulate compressor run time.

Fresh Food Control Function

An automatic air damper control sensing air temperature to regulate cold air supply.

Energy Saver Switch Operation

Location and function of the energy saving switch to eliminate moisture on the case flange.

Icemaker Operation

Automatic icemaker cycles can be stopped by raising the feeler arm; ice production rate.

Condenser Cleaning Recommendation

Recommendation to remove the top panel and clean the condenser when servicing.

Refrigeration System Overview

Refrigerant Flow Path

Detailed explanation of the refrigerant path from compressor through condenser, dryer, loop, evaporator, and back to compressor.

Slide-Out Chassis Servicing

Extending the Chassis

Instructions for pulling the chassis forward and cautions about kinking refrigeration tubing.

Optional Hood Removal

Optional removal of the hood for additional access to the refrigeration system during installation.

Compressor and Related Components

Compressor Details

Location, mounting, and terminal configuration of the compressor in the unit compartment.

Overload Protector

Location of the overload protector mounted directly on the compressor common terminal.

Solid State Relay

Location of the solid state (PTC) relay mounted on compressor start and run terminals.

Run Capacitor Specifications

Location and specifications (MF) of the run capacitor for 36/42 and 48" models.

Condenser Unit Description

Description of the condenser construction (5/16-inch copper tubing) and mounting location.

Condenser Loop Details

Description of the condenser loop construction (1/4-inch copper tubing) and its non-replaceable nature.

Cabinet Heating Systems

Purpose and connection of case flange/mullion and auxiliary heaters for preventing dew point issues.

Dryer and Heat Exchanger

Dryer Function and Location

Location of the dryer in the unit compartment, connected between condenser and condenser loop, and to the capillary.

Heat Exchanger Description

Description of the heat exchanger (capillary and suction tube) and its insulation for protection.

Evaporator Access and Servicing

Air Flow System Overview

Unit Compartment Airflow

How the condenser fan circulates air through the unit compartment for cooling the condenser and compressor.

Condenser Fan Servicing

Mounting, access, and removal procedure for the condenser fan motor and blade.

Freezer Compartment Airflow

How the evaporator fan circulates cold air within the freezer compartment.

Fresh Food Compartment Airflow

Distribution of cold air to the fresh food compartment via a duct and air damper control.

Evaporator Fan Assembly

Evaporator Fan Motor and Blade

Mounting location of the evaporator fan assembly and procedure for accessing/replacing the motor and blade.

Evaporator Fan Delay Operation

Fan Delay Thermostat Function

Explanation of the evaporator fan delay operation and the role of the fan delay thermostat.

Thermostat and Temperature Control Servicing

Fan Delay Thermostat Removal

Location and removal procedure for the evaporator fan delay thermostat.

Freezer Temperature Control Access

Location, mounting, and access for the freezer compartment temperature control and its capillary.

Fresh Food Temperature Control

Fresh Food Damper Test Procedure

Procedure to test the fresh food damper control by using an ice cube to check its response.

Defrost System Overview

Defrost Control Servicing

Location, mounting, and removal procedure for the defrost control in the unit compartment.

Drain Trough and Heater Servicing

Defrost Heater Access

Securing and access procedure for the defrost heater attached to the evaporator with brackets.

Defrost Thermostat Location

Drain Tube and Pan

Drain Tube Function and Routing

Function and routing of the drain tube from the drain trough to the defrost water pan, and its securing clips.

Defrost Water Pan Description

Location of the defrost water pan at the front of the slide-out chassis, forming a base for the compressor.

Interior Lighting System

Fresh Food Light Access

Access procedure for fresh food lights by removing the light shield cover.

Storage Bin Illumination

Location and access for illumination lights in the fresh food compartment's storage bins.

Freezer Light Access

Location and access procedure for the freezer light on non-dispenser and dispenser models.

Light Switch Removal

Location and removal procedure for rocker type light switches in the upper trim above the doors.

Light Thermostat Functionality

Cabinet Heater Systems

Case Flange;Mullion Heater

Control of the case flange/mullion heater via the energy saver switch; auxiliary heater for failure.

Icemaker and Water Supply

Icemaker Unit Description

Description of the standard crescent cube icemaker, its mounting, and removal procedure.

Water Fill Adjustment Procedure

Procedure for initiating a test cycle and adjusting the water fill quantity for the icemaker.

Ice Storage Bin Location

Location of the ice storage bin in the freezer compartment on non-dispenser models.

Dispenser Service Procedures

Dispenser Recess Removal

Procedure for completely removing the dispenser recess by removing door end caps and handle trim.

Fill Tube Heater Operation

Water Valve Servicing

Plastic Fill Tubing Installation

Cabinet Door Components

Outer Door Construction

Description of the outer door construction: pre-painted galvanized steel, folded, and toggle-locked.

Inner Door Design

Description of the inner door construction (ABS) and how door modules are positioned on ribs.

Door Assembly Limitations

Components of the door assembly (outer, inner door, gasket retainers) are foamed-in-place and not separately replaceable.

Door Handles and Trim

Door Shelves and Modules

Door Gasket Replacement

Door Hinges Functionality

Door Closure Mechanism Operation

Door Hinge Adjustability

Door Removal Procedures

Dispenser Model Freezer Door Removal

Specific steps for freezer door removal on dispenser models, including water tubing and wiring disconnection.

Interior Components

Breaker Strip Information

Breaker strips are foamed in place and not replaceable.

Fresh Food Shelf Description

Description of the four tempered glass shelves in the fresh food compartment and their positioning.

Freezer Shelf Count

Number of cantilever wire shelves in the freezer compartment for non-dispenser and dispenser models.

Storage Bin Features

Description of fresh food storage bins made of Lexan, their track and roller system, and two wire storage baskets.

Diagnosis Procedures

Electrical System Diagnosis

Testing electrical components using wiring harness connectors, an ohmmeter, and a direct start test for the compressor.

Refrigeration System Diagnosis

Accessing the refrigeration system via service valves for diagnosis using compressor capacity or leak-restriction tests.

Summary

Important Safety Notice

Safe Servicing Practices - Part 1

Disconnect power before servicing and handle electrical checks with care.

Avoid Bypassing Features

Do not interfere with or bypass any engineered features, parts, or devices.

Use Specified Replacement Parts

Use specified GE Appliances parts or equivalent for replacements to ensure performance.

Pre-Power Reconnection Checks

Verify all connections, wire dressing, spacing, grounds, water, and panel reassembly before power.

Refer to Service Handbook

Consult the GE Appliance Service Handbook for additional safe servicing practices.

Safe Servicing Practices - Part 2

Repair Confidence Check

Do not attempt repairs if unsure about safe and satisfactory completion.

Injury and Damage Risks

Explains risks like shock, burns, fire, flood from improper servicing.

Preface and Manual Usage

Manual Usage Guidance

Use this manual with the product's Mini-Manual for comprehensive model information.

Wiring Diagram Location

Electrical data, schematics, and wiring diagrams are in the Mini-Manual.

Installation Procedures

Electrical Connection Setup

Details on providing a 115 volt electrical receptacle and precautions when disconnecting the power cord.

Water Connection Setup

Requirements for connecting copper tubing to the water valve and water supply line pressure.

Leveling and Panel Installation

Refrigerator Leveling

Ensuring the refrigerator is level (zero tilt) front-to-back and side-to-side using rollers and adjustment bolts.

Decorative Panel Installation

Information on custom-made decorative panels for doors, top, and sides, and caution regarding servicing them.

Top Panel Mounting

How the top panel is mounted using a trim frame, locator pins, and slotted brackets for adjustment.

Door and Base Panel Servicing

Door Panel Removal

Procedure for removing custom door panels by accessing screws after removing handles and trim.

Base Panel Attachment

Description of the plastic base panel attached to the cabinet with screws for access.

Operation and Performance

Temperature Control Settings

Location and function of freezer and fresh food temperature controls, recommended settings, and stabilization time.

Freezer Control Function

An electrical temperature control sensing air supply to regulate compressor run time.

Fresh Food Control Function

An automatic air damper control sensing air temperature to regulate cold air supply.

Energy Saver Switch Operation

Location and function of the energy saving switch to eliminate moisture on the case flange.

Icemaker Operation

Automatic icemaker cycles can be stopped by raising the feeler arm; ice production rate.

Condenser Cleaning Recommendation

Recommendation to remove the top panel and clean the condenser when servicing.

Refrigeration System Overview

Refrigerant Flow Path

Detailed explanation of the refrigerant path from compressor through condenser, dryer, loop, evaporator, and back to compressor.

Slide-Out Chassis Servicing

Extending the Chassis

Instructions for pulling the chassis forward and cautions about kinking refrigeration tubing.

Optional Hood Removal

Optional removal of the hood for additional access to the refrigeration system during installation.

Compressor and Related Components

Compressor Details

Location, mounting, and terminal configuration of the compressor in the unit compartment.

Overload Protector

Location of the overload protector mounted directly on the compressor common terminal.

Solid State Relay

Location of the solid state (PTC) relay mounted on compressor start and run terminals.

Run Capacitor Specifications

Location and specifications (MF) of the run capacitor for 36/42 and 48" models.

Condenser Unit Description

Description of the condenser construction (5/16-inch copper tubing) and mounting location.

Condenser Loop Details

Description of the condenser loop construction (1/4-inch copper tubing) and its non-replaceable nature.

Cabinet Heating Systems

Purpose and connection of case flange/mullion and auxiliary heaters for preventing dew point issues.

Dryer and Heat Exchanger

Dryer Function and Location

Location of the dryer in the unit compartment, connected between condenser and condenser loop, and to the capillary.

Heat Exchanger Description

Description of the heat exchanger (capillary and suction tube) and its insulation for protection.

Evaporator Access and Servicing

Air Flow System Overview

Unit Compartment Airflow

How the condenser fan circulates air through the unit compartment for cooling the condenser and compressor.

Condenser Fan Servicing

Mounting, access, and removal procedure for the condenser fan motor and blade.

Freezer Compartment Airflow

How the evaporator fan circulates cold air within the freezer compartment.

Fresh Food Compartment Airflow

Distribution of cold air to the fresh food compartment via a duct and air damper control.

Evaporator Fan Assembly

Evaporator Fan Motor and Blade

Mounting location of the evaporator fan assembly and procedure for accessing/replacing the motor and blade.

Evaporator Fan Delay Operation

Fan Delay Thermostat Function

Explanation of the evaporator fan delay operation and the role of the fan delay thermostat.

Thermostat and Temperature Control Servicing

Fan Delay Thermostat Removal

Location and removal procedure for the evaporator fan delay thermostat.

Freezer Temperature Control Access

Location, mounting, and access for the freezer compartment temperature control and its capillary.

Fresh Food Temperature Control

Fresh Food Damper Test Procedure

Procedure to test the fresh food damper control by using an ice cube to check its response.

Defrost System Overview

Defrost Control Servicing

Location, mounting, and removal procedure for the defrost control in the unit compartment.

Drain Trough and Heater Servicing

Defrost Heater Access

Securing and access procedure for the defrost heater attached to the evaporator with brackets.

Defrost Thermostat Location

Drain Tube and Pan

Drain Tube Function and Routing

Function and routing of the drain tube from the drain trough to the defrost water pan, and its securing clips.

Defrost Water Pan Description

Location of the defrost water pan at the front of the slide-out chassis, forming a base for the compressor.

Interior Lighting System

Fresh Food Light Access

Access procedure for fresh food lights by removing the light shield cover.

Storage Bin Illumination

Location and access for illumination lights in the fresh food compartment's storage bins.

Freezer Light Access

Location and access procedure for the freezer light on non-dispenser and dispenser models.

Light Switch Removal

Location and removal procedure for rocker type light switches in the upper trim above the doors.

Light Thermostat Functionality

Cabinet Heater Systems

Case Flange;Mullion Heater

Control of the case flange/mullion heater via the energy saver switch; auxiliary heater for failure.

Icemaker and Water Supply

Icemaker Unit Description

Description of the standard crescent cube icemaker, its mounting, and removal procedure.

Water Fill Adjustment Procedure

Procedure for initiating a test cycle and adjusting the water fill quantity for the icemaker.

Ice Storage Bin Location

Location of the ice storage bin in the freezer compartment on non-dispenser models.

Dispenser Service Procedures

Dispenser Recess Removal

Procedure for completely removing the dispenser recess by removing door end caps and handle trim.

Fill Tube Heater Operation

Water Valve Servicing

Plastic Fill Tubing Installation

Cabinet Door Components

Outer Door Construction

Description of the outer door construction: pre-painted galvanized steel, folded, and toggle-locked.

Inner Door Design

Description of the inner door construction (ABS) and how door modules are positioned on ribs.

Door Assembly Limitations

Components of the door assembly (outer, inner door, gasket retainers) are foamed-in-place and not separately replaceable.

Door Handles and Trim

Door Shelves and Modules

Door Gasket Replacement

Door Hinges Functionality

Door Closure Mechanism Operation

Door Hinge Adjustability

Door Removal Procedures

Dispenser Model Freezer Door Removal

Specific steps for freezer door removal on dispenser models, including water tubing and wiring disconnection.

Interior Components

Breaker Strip Information

Breaker strips are foamed in place and not replaceable.

Fresh Food Shelf Description

Description of the four tempered glass shelves in the fresh food compartment and their positioning.

Freezer Shelf Count

Number of cantilever wire shelves in the freezer compartment for non-dispenser and dispenser models.

Storage Bin Features

Description of fresh food storage bins made of Lexan, their track and roller system, and two wire storage baskets.

Diagnosis Procedures

Electrical System Diagnosis

Testing electrical components using wiring harness connectors, an ohmmeter, and a direct start test for the compressor.

Refrigeration System Diagnosis

Accessing the refrigeration system via service valves for diagnosis using compressor capacity or leak-restriction tests.

Monogram ZIS42 Specifications

General IconGeneral
BrandMonogram
ModelZIS42
CategoryRefrigerator
LanguageEnglish

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