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Sea Frost DC 5000 User Manual

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1
372 ROUTE 4 BARRINGTON, NH 03825 USA TEL (603) 868-5720 FAX (603) 868-1040 1-800-435-6708
E-Mail:sales@seafrost.com www.seafrost.com
DC 5000 SYSTEM 134a
OPERATION & INSTALLATION
INSTRUCTIONS
NOTICE OF RESPONSIBILITY
It is the SEA FROST/C.F. Horton & Co., Inc. intent to provide the safest, most accurate
and detailed instructions. SEA FROST/C.F. Horton & Co.,Inc. cannot be responsible for
problems or damage caused by omissions, inaccuracy or interpretation of these
instructions.
SEA FROST is a registered trademark of C.F. Horton & Co.,Inc
Aspects of the SEA FROST design are covered by
US Patent #4,356,708
2nd Edition
134 12 volt
Copyright © 1996 by C.F. Horton & Co., Inc.
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Sea Frost DC 5000 Specifications

General IconGeneral
BrandSea Frost
ModelDC 5000
CategoryRefrigerator
LanguageEnglish

Summary

Startup Procedure and Periodic Inspection

Monitoring the Sight Glass

Critical step for checking refrigerant charge and system health.

Operation

Maintenance

Installation Work Habits

Water Pump Installation and Water Circuit

Valve Unit V/U

Notes on Swagelok Fittings

Swagelok Fitting Assembly

Detailed steps for correctly assembling Swagelok fittings, including tightening.

Planning

Thermostat Control Panel Location

Electrical Junction Box

DC 5000 Wiring

Wire Sizes and Specifications

Guidelines for selecting appropriate wire gauges for system connections.

Fuses

Ground Wire

Assembly Inspection Check List

Refrigerant Handling and Safety

General Safety Precautions

Essential safety guidelines for handling refrigerant and working with the system.

Procedures for Working with R-134a

Access to the System: Service Access Ports

Gauges

Connecting Gauges

Disconnecting Gauges

Charging the System

Commissioning Procedure

Evacuation and Leak Testing

Steps for evacuating the system and performing an initial leak check.

New System Charging

Instructions for introducing the initial refrigerant charge into the system.

Leak Checking

Emphasizes the importance of thorough leak checking after charging.

Leak Checking a Charged System

Leak Detection Methods

Describes methods like soap bubbles and electronic detectors for leak checking.

New System Charging

Reading the Sight Glass

Proper Charge Amount

Discharging the System

Troubleshooting

Initial Problem Assessment

Guides on gathering information and inspecting for issues before operating.

Troubleshooting Moisture or Dirt Issues

Changing the RFD

Pressure Charts

DC 5000 Motor and Water Pump Maintenance

Brush Inspection and Replacement

Guidance on checking and replacing motor brushes for the Leeson motor.

DC 5000 Motor and Water Pump Maintenance

DC 5000 Wiring Diagrams

DC 5000 Layout

DC 5000 Water Circuit

Twin Valve Systems Wiring

DC 5000 Wiring with Voltage Monitoring Relay Option

DC 5000 Low Voltage Protection Relay

Setting the Voltage Control

Instructions for adjusting the relay's pickup and dropout voltage settings.