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Sub-Zero 424HAG/O-2 User Manual

Sub-Zero 424HAG/O-2
57 pages
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General Information 2
Installation Information 10
Controls & Operation 30
subzero.com 800.222.7820
400
Service Manual

Table of Contents

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Sub-Zero 424HAG/O-2 Specifications

General IconGeneral
Product CategoryWine Cooler
Model424HAG/O-2
TypeBuilt-In
Width24 inches
Capacity46 bottles
FinishStainless Steel
Control TypeDigital
Number of Zones2
Shelves6
DoorReversible
Weight150 lbs
Energy Star CertifiedYes
Height34 inches
Depth24 inches
Temperature ZonesDual Zone
Door StyleGlass
Temperature Range38°F to 65°F

Summary

General Information

Introduction to the Service Manual

Overview of the Technical Service Manual's purpose for the 400-2 Series units.

Important Safety Information and Labels

Highlights product safety labels (WARNING, CAUTION, NOTE) and their meaning.

Technical Assistance and Support

Contact information and hours for Sub-Zero customer and technical support.

Warranty Information Summary

Summary of 2, 5, 12-year warranties and special non-residential/display warranties.

Model Descriptions and Numbering

Details the four basic model configurations of the 400-2 Series and their numbering system.

Installation Information

Installation Considerations

Covers common installation issues and their potential to cause service calls.

Anti-Tip Component Installation

Provides step-by-step instructions for installing anti-tip brackets for various models.

Unit Leveling Procedures

Details how to level the unit for different models using leveling legs and instructions.

Door Adjustment Procedures

Explains how to adjust doors for proper alignment and sealing on specific models.

Door Stop Adjustment and Installation

Instructions for adjusting or installing door stops for specific models.

Door Panel Removal and Installation

Covers the removal and installation of various door panel types across different models.

Electronic Control System

Electronic Control System Terminology

Defines key terms and components related to the electronic control system.

Basic System Overview

Illustrates the basic 400-2 Series electronic control system, including components and connections.

Control Board Layout and Summary

Details the control board layout and provides a summary table of its connection points.

Control Panel Operations

Describes how to use the control panel for basic functions like unit ON/OFF and temperature adjustment.

Advanced Control Panel Functions

Covers adjusting set-points, controlling the lighting system, and managing the temperature alarm.

Temperature Unit Selection

Explains how to switch temperature display between Fahrenheit and Celsius.

Special Operating Modes

Details how to activate Sabbath Mode and Showroom Mode for specific purposes.

System Functions Overview

Explains monitoring, regulating, and controlling functions of the electronic control system.

Temperature Regulation and Control

Describes how the system controls compressor, fans, and refrigerant valve based on temperatures.

Off-Cycle Defrost Control

Explains how the system monitors evaporator temperatures to manage off-cycle defrost.

Error Indicators and Alarms

Details potential error indicators like warm/cold temperature alarms and their meanings.

Troubleshooting Input Operations

Guides on using Diagnostic Mode, Manual Valve Activation, and Temperature Log Recall.

Model 427R-2 Specific Controls

Defines terminology and components specific to the 427R-2 refrigerator section.

Model 427R-2 System Operations

Covers basic input operations for the 427R-2 control panel, including ON/OFF and temperature adjustments.

Model 427R-2 Configuration Modes

Explains how to configure the control board for specific models using key strokes.

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