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Champion CRN35 - User Manual

Champion CRN35
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SERVICE DEPARTMENT: (724) 746-1100
CRN SERIES
REFRIGERATED
COMPRESSED
AIR DRYERS
INSTRUCTION MANUAL
®
7610.721.73 1/04
CA18-2-645, 1st Ed.
7610.478.39/040103
INTERNAL USE ONLY
CONTENTS
GENERAL SAFETY INFORMATION ............................2
RECEIVING, MOVING, UNPACKING ..........................2
1.0 INSTALLATION ...................................................3
2.0 OPERATION .......................................................4
3.0 MAINTENANCE .................................................6
SIZING ......................................................................6
ENGINEERING DATA.................................................7
ELECTRICAL SCHEMATICS ........................................8
DIMENSIONS / WEIGHTS..........................................9
TROUBLESHOOTING...............................................10
PARTS LIST.............................................................11
WARRANTY............................................................12
Models: CRN25, CRN35, CRN50,
CRN75, CRN100

Table of Contents

Questions and Answers

  • S
    Shawn RandallAug 6, 2025
    What to do if my Champion CRN35 refrigeration system is not functioning properly?
    • R
      Russell ValdezAug 6, 2025
      First, ensure the power switch is 'ON'. Check if the line disconnect switch is open and close it if necessary. Inspect fuses and breakers for continuity. Have an electrician check the wiring and terminals for any faults or looseness. Verify that the ambient temperature is within the specified minimum and maximum ranges. Finally, clean the condenser fins and ensure free airflow across the condenser; if the problem continues, contact a qualified refrigeration repairman or the manufacturer’s service department.
  • K
    Katrina SteeleAug 16, 2025
    What to do if there is a high pressure drop across my Champion CRN35 Dehumidifier?
    • J
      Jared JenningsAug 16, 2025
      A high pressure drop could be due to excessive air flow, so check the flow rate. It could also be caused by freezing of moisture in the evaporator because the refrigeration system is improperly functioning. Another cause could be a clogged separator or an optional oil removal filter element; if this is the case, replace the filter element(s).
  • B
    Brandon Tran PhDAug 21, 2025
    What to do if the dew point indicator is in the red area on my Champion Dehumidifier?
    • A
      April DanielsAug 21, 2025
      The dew point indicator might be in the red area because the dryer is overloaded, resulting in a high air outlet temperature. It could also be that the refrigeration system is not functioning properly, resulting in a high air outlet temperature. Another possibility is that the temperature sensor is not properly attached, uninsulated, or malfunctioning; in this case, check the sensor bulb.
  • J
    Joann MartinezAug 31, 2025
    Why is the refrigeration system not functioning properly in my Champion Dehumidifier?
    • K
      knapptimothyAug 31, 2025
      If the refrigeration system in your Champion Dehumidifier isn't working correctly, start by checking the unit's power supply. If the compressor cycles on and off, ensure the disconnect switch is closed. An electrician should inspect the electrical connections if there's a power failure, a line disconnect switch is open, there are blown fuses, an open breaker, or faulty wiring and loose terminals. Also check the minimum and maximum temperature ranges. Clean the condenser and ensure free airflow, considering high or low ambient conditions, dirty or clogged condenser fins, obstructed airflow across the condenser, or a non-functioning fan motor or fan control switch.
  • S
    Stephanie BernardNov 10, 2025
    Why is there water downstream of my Champion CRN35 Dehumidifier?
    • K
      Kimberly McdonaldNov 10, 2025
      This can happen due to several reasons. It could be residual free moisture in the downstream pipelines, so try blowing out the system with dry air. The air bypass system might be open, so check the valve positions. Ensure that the inlet and outlet connections are correctly connected. If temperatures surrounding air lines downstream of the dryer have dropped below the dryer’s dew point rating, insulate or heat trace air lines exposed to low ambients or dry air to lower the dew point. If there's excessive free moisture at the dryer inlet, install a separator ahead of the dryer. Check that the condensate is being automatically drained, and if the drain mechanism is clogged or inoperative, replace it, and open the drain line if it's restricted or frozen. If the dryer is overloaded, check the i...
  • U
    uwestNov 25, 2025
    What to do if there is water downstream of the Champion Dehumidifier?
    • C
      Christian HamptonNov 25, 2025
      If you find water downstream of your Champion Dehumidifier, several issues could be the cause. Start by blowing out the system with dry air to remove any residual moisture in the pipelines. Check the valve positions to ensure the air bypass system is not open. Verify that the inlet and outlet connections are correctly connected. If temperatures around the downstream air lines have dropped below the dryer's dew point rating, insulate or heat trace those lines. Ensure there isn't excessive free moisture at the dryer inlet; if so, install a separator ahead of the dryer. Check the drain mechanism for clogs and replace it if it's inoperative. Clear any restrictions or freezing in the drain line. For electric drains, reset the timer to ensure sufficient condensate removal. Also, check the inlet ...

Summary

General Safety Information

Pressurized Devices Safety

Safety precautions related to the equipment being a pressure containing device.

Electrical Safety Precautions

Guidelines for safe electrical installation and service procedures.

Breathing Air Quality Considerations

Notes on the suitability of treated air for breathing and necessary purification.

Receiving, Moving, and Unpacking

Shipment Inspection and Handling

Procedures for checking shipments for visible or concealed damage and proper handling.

Installation

Location and Clearances

Guidance on selecting an appropriate installation location and required clearances.

Mounting and Piping

Instructions for physically mounting the dryer and connecting inlet/outlet piping.

Electrical Connections and Moisture Separator

Electrical Connections

Details on voltage, phase, frequency, and cord/plug requirements.

Moisture Separator Function

Description of the moisture separator and its automatic drain mechanism.

Operation

Minimum;Maximum Operating Conditions

Specifies the acceptable ranges for inlet air pressure, temperature, and ambient conditions.

Start-up and Timer Drain Operation

Dryer Start-up Procedure

Steps to follow for initial start-up of the dryer.

Timer Drain Programming

Instructions for programming the timer drain settings for optimal condensate removal.

Operating Check Points

Periodic checks to ensure the dryer is functioning correctly.

Maintenance

Condenser Coil and Filter Maintenance

Procedures for cleaning the condenser coil and replacing filter elements.

Drain Mechanism Checks

Daily checks for drain discharge and annual replacement of drain mechanisms.

Sizing

Determining Dryer Capacity

Guidance on calculating dryer capacity based on actual operating conditions.

Engineering Data

Operating Conditions and System Data

Technical specifications for operating ranges and refrigeration system components.

Electrical Specifications

Detailed electrical requirements and ratings for different models.

Electrical Schematic

Schematic Diagrams for Models

Wiring diagrams for various dryer models and voltage configurations.

Schematic Legend and Notes

Explanation of symbols used in schematics and relevant optional notes.

Dimensions and Weights

Physical Dimensions

Table of dimensions and diagrams showing physical layout and connection points.

Weight Specifications

Table listing the weight of the dryer with and without an oil removal filter.

Troubleshooting Guide

Water Downstream of Dryer

Diagnosing and correcting water presence in downstream air lines.

High Pressure Drop Issues

Troubleshooting causes for excessive pressure drop across the dryer.

Dew Point Indicator Faults

Identifying and resolving issues indicated by the dew point indicator.

Refrigeration System Malfunctions

Diagnosing problems with the refrigeration system's operation.

Parts List

Component Part Numbers

A comprehensive list of part numbers for dryer components by model and voltage.

Maintenance Kits

Information on available maintenance kits for standard and optional configurations.

Warranty Information

Warranty Period and Claims

Details on the warranty duration, coverage, and procedures for claims.

Service Department Contact

Contact information for the service department for repairs and authorizations.

Champion CRN35 Specifications

General IconGeneral
BrandChampion
ModelCRN35
CategoryDehumidifier
LanguageEnglish

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