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Norcold N611V SERIES User Manual

Norcold N611V SERIES
30 pages
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DO NOT install this refrigerator in below deck marine applications. Do not
install this refrigerator in xed indoor cabin or other dwelling applications. This
refrigerator must use only NORCOLD designed and approved outside air intake
and exhaust ventilation for correct and safe operation. Any other ventilation
could cause lethal combustion exhaust fumes and/or explosive propane gas
fumes to be in the living area and/or below deck.
Publication No. 636355 A (15-01-2014)
© 2013 NORCOLD, INC. All rights reserved.
Service Manual
N811v Series
N611v Series
MODELS
!
WARNING
Gas / Electric Refrigerators
Questions?/Des questions?/¿Preguntas? 1-800-444-7210

Table of Contents

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Norcold N611V SERIES Specifications

General IconGeneral
BrandNorcold
ModelN611V SERIES
CategoryRefrigerator
LanguageEnglish

Summary

INTRODUCTION AND OVERVIEW

About this Manual

Provides maintenance, diagnostic, and repair information for Norcold models N611v, N811v.

Model Identification

Explains how model numbers identify factory installed accessories.

Information Label

Details information found on the label in the fresh food compartment.

Certification and Code Requirements

Lists standards for installation and compliance.

About Installation

States that installation must conform to the manual and local codes.

Replacement Parts

Emphasizes using authorized Norcold parts for safety and warranty.

Technical Assistance

Provides contact information for Norcold Customer Service.

MODEL IDENTIFICATION DETAILS

Serial Number / Model Number Location

Explains the location of the information label and its components.

Cooling Unit Serial Number

Describes the location of the cooling unit bar code label.

SAFETY AWARENESS

Safety Notice

General safety precautions and equipment to use when servicing the refrigerator.

Attention Statements

Explains the meaning of WARNING and CAUTION symbols used in the manual.

Safety Statements

Lists specific safety warnings and precautions for operation and maintenance.

SPECIFICATIONS

REFRIGERATOR THEORY OF OPERATION BASICS

Overview

Explains the two main systems of the refrigerator and their interaction for cooling.

Cooling Unit

Describes the self-contained gravity flow absorption refrigeration system.

Leveled Operation

Details the importance of leveling and maximum off-level limits for the cooling unit.

Gradual Decrease in Cooling Efficiency

Discusses factors affecting cooling efficiency and troubleshooting approach.

GAS ABSORPTION SYSTEM THEORY

ELECTRONIC CONTROLS AND AUTO MODES

Electronic Controls

Explains how electronic controls manage the cooling unit's heat sources.

Auto AC Mode

Details the operation and logic of the Auto AC mode.

AUTO LP GAS MODE AND BACKGROUND OPERATIONS

Auto LP Gas Mode

Explains the operation and logic of the Auto LP Gas mode.

Interior Light / Door Switch Operation

Explains the function and testing of the interior light and door switch.

ADDITIONAL OPERATIONAL THEORY

Divider Heater Operation

Explains the function and electrical operation of the divider heater.

Backup Operating System (BOS) Mode

Explains the backup operating system when the thermistor fails.

Defrost Operation

Explains the automatic defrost cycle and its operation.

Auxiliary Output

Explains the function and activation of the auxiliary output.

FAULT CODES OVERVIEW

FAULT CODE DIAGNOSTIC PRECHECKS AND PATTERNS

Diagnostic Prechecks

Four prechecks to perform before diagnosing faults.

Fault Code Flash Patterns

Explains how fault codes are displayed using flash patterns.

Solid Red Indicator Light

Details conditions causing a solid red indicator light and verification steps.

SPECIFIC FAULT CODE DESCRIPTIONS PART 1

Fault / Flash Pattern 2 Service Error

Describes fault code 2 and reset procedure.

Fault / Flash Pattern 3 Open High Limit

Describes fault code 3 related to the high limit switch.

Fault / Flash Pattern 4 AC Relay Error

Describes fault code 4 related to AC heater relay.

Fault / Flash Pattern 5 Flame On, Should Not Be On

Describes fault code 5 related to gas valve stuck open.

SPECIFIC FAULT CODE DESCRIPTIONS PART 2

Fault / Flash Pattern 8 LOW DC (1) Error

Describes fault code 8 for low DC voltage to the burner.

Fault / Flash Pattern 9 LOW DC (2) Error

Describes fault code 9 for critically low DC voltage.

Thermister Fault

Explains thermistor faults and system reversion to BOS mode.

Door Fault

Explains the door switch function and its effect on the interior light.

FAULT CODE DISPLAY ISSUES

Blank Display

Explains the cause of a blank display and refers to continuous 12-volt operation.

On-Off Theory of Operation

Explains the theory behind continuous and switched 12-volt power.

LP GAS SYSTEM INTRODUCTION

Pressure Requirements

Details the required propane gas pressure for the system.

Testing for LP Gas Leaks

Provides warnings and procedures for testing LP gas leaks.

LP GAS SYSTEM COMPONENTS

Solenoid Gas Valve

Explains the solenoid gas valve function, shut-off, and connections.

Orifice and Burner Assembly

Details the orifice, burner, and burner tube, including cleaning and maintenance.

LP GAS SYSTEM FLUE AND FLAME

Flue

Describes the flue, its components, and maintenance requirements.

Heat Deflector

Explains the heat deflector's function and its impact on cooling.

Spiral Baffle

Details the spiral baffle's purpose, location, and removal procedure.

Flame Appearance

Describes the correct flame appearance and indicates potential issues.

BURNER CLEANING PROCEDURE

LP GAS LOCKOUT AND SAFETY VALVE TEST

Gas Lockout

Explains conditions causing gas lockout and results.

Reset a Gas Lockout Condition

Provides steps to reset a gas lockout condition.

Gas Safety Valve Test

Details a procedure to test the gas safety valve operation.

ELECTRICAL REQUIREMENTS AND COMPONENTS

DC Voltage Requirements and Polarity

Specifies DC voltage range and polarity for controls.

DC Power Wiring Requirements

Details wire gauge and fuse requirements for DC power.

AC/DC Converter as Power Source

Advises on using filtered DC output from converters.

AC Power Cord

Describes the AC power cord and grounding requirements.

12VDC Ventilation Fan

Explains the function and installation of the 12VDC ventilation fan.

COOLING UNIT MONITORING AND TROUBLESHOOTING

Cooling System Monitoring

Explains hardware monitoring of the cooling system, including thermal switch.

Troubleshooting Cooling Faults

Guides on troubleshooting faulty cooling units.

Poor or No Cooling on LP Gas Mode

Discusses troubleshooting no cooling on propane gas.

Poor or No Cooling on AC Mode

Discusses troubleshooting no cooling on AC power.

Refrigerant Leakage

Describes signs of refrigerant leakage and handling precautions.

Disposal of Cooling Unit

Provides guidance on disposing of the cooling unit according to regulations.

COOLING SYSTEM DIAGNOSTIC FLOWCHART

ELECTRICAL WIRING PICTORIAL

MODES OF OPERATION

Refrigerator Start-Up

Explains how to start the refrigerator and interpret indicator lights.

Refrigerator Shut-Down

Describes the procedure for shutting down the refrigerator.

Effects of High Altitude on Propane Gas Operation

Discusses performance issues at high altitudes and recommendations.

Effects of Freezing Temperatures on Refrigerator Operation

Explains how freezing temperatures can affect operation and warranty.

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