Table of Contents
Section 1 - General Information
Model and Serial Numbers
Warranty
Registration
Coverage
Section 2 - Installation References
Dimensions
Clearance Requirements
Electrical Requirements
Section 3 - Maintenance
Interior and Exterior Cleaning
Light Bulb Replacement
Condenser Cleaning
Section 4 - Component Identification
Reach-In Cabinet
Refrigerator
Electrical Control Box
Evaporator Assembly
Self-Contained
Remote
Refrigeration System
Self-Contained
Remote
Freezer
Electrical Control Box
Evaporator Assembly
Refrigeration System
Self-Contained
Remote
Section 5 - Electrical System
Electrical Sequence of Operation
Refrigerators - Self-Contained
R1, R2, R3
RS1, RS2, RS3
Refrigerators - Remote
RR1, RR2, RR3
Freezers - Self-Contained
F1, F2, F3
FS1, FS2, FS3
Freezers - Remote
FR1, FR2, FR3
Wiring Diagrams
Wiring Diagram Legend
Refrigerators - Self-Contained
R1, R2, R3
RS1, RS2, RS3 - Evaporator Fans Wired Direct
RS1, RS2, RS3 - Evaporator Fans Wired Through Door Switch
Refrigerators - Remote
RR1, RR2, RR3
Freezers - Self-Contained
F1 (50/60 Hz)
F2 (50/60 Hz) and F3 (50 Hz)
F3 (60 Hz)
FS1 and FS2
FS3
Freezers - Remote
FR1, FR2 (50/60 Hz), FR3 (50 Hz)
FR3 (60 Hz)
Section 6 - Refrigeration System
Refrigeration Tubing Diagrams
Refrigerators - Self-Contained
R1, R2, R3 and RS1, RS2, RS3
Freezers - Self-Contained
F1, F2, F3 (R-404A) and FS1, FS2, FS3 (R-502) Without Liquid Injection Valve
FS1, FS2, FS3 (R-402B) With Liquid Injection Valve
Refrigerators and Freezers- Remote
RR1, RR2, RR3 and FR1, FR2, FR3
Section 6 - Refrigeration System (cont.)
Refrigeration Specifications
Refrigerators - Self-Contained
R1, R2, R3 (R-134A)
RS1, RS2, RS3 (R-402B)
RS1, RS2, RS3 (R-22)
Refrigerators - Remote
RR1, RR2, RR3
Freezers - Self-Contained
F1, F2, F3 (R-404A)
FS1, FS2, FS3 (R-402B)
FS1, FS2, FS3 (R-502)
Freezers - Remote
FR1, FR2, FR3
Control Specifications and Diagnostics
High Pressure Cutout (HPCO)
Liquid Injector Valve (R-402B Freezer Only)
Refrigerant Conversion Procedures
Refrigerators - RS1, RS2, RS3 - Converting R-402B to R-22
Freezers - FS1, FS2, FS3 - Converting R-502 to R-402B
Refrigerant Recovery/Evacuating and Recharging
Refrigerant Recovery/Evacuation
Charging Procedures
System Contamination Cleanup
Replacing Pressure Controls Without Removing Refrigerant Charge
Filter Driers
Total System Refrigerant Charges
Refrigerators - Self-Contained
Refrigerators - Remote
Freezers - Self-Contained
Freezers - Remote
Refrigerant Re-Use Policy
Charging R-402B (HP81) Using Charging Cylinders
Refrigerant Definitions
Questions and Answers
R-402B (DuPont SUVA HP81)
HFC Refrigerant
Section 7 - Diagnostics and Component Function/Specification/
Check Procedures
Service Diagnostic Chart
Reach-In Does Not Run
Cabinet Does Not Maintain Proper Temperature
Compressor Does Not Operate
Condensation on Cabinet and/or Floor
Door(s) Difficult to Open
Component Function/Specifications/Check Procedures
Main On/Off Switch
Relay
Temperature Control
Specifications
Refrigerator Sensing Bulb Location
Freezer Sensing Bulb Location
Light/Fan Switch(es)
Self-Contained Refrigerator - Fan Motor Wiring Change
Defrost End and Fan Delay Thermostat
Automatic Defrost Time Clock
Defrost Heater (Calrod Heater)
Mullion (Door Frame) Heater
Mullion (Door Frame) Heater Switch
Drain Tube Heater
Condensate Vaporizer Pan
Diagnosing Compressor and Start Components Electrically
General
External Overload Check
Start Relay Check
Compressor Windings
Capacitor Check
Section 8 - Component Replacement Procedures
Accessing Evaporator Assembly
Evaporator Fan(s)
Evaporator Defrost (Calrod) Heater
Mullion (Door) Heater
Drain Tube Heater
Door Gasket(s)
Reversing Door Swing and Adjusting Door Tension
Solid Door
Glass Door
Temperature/Humidity Chart for Condensation on Glass Doors
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