Heat Controller BHD-301-G Service Manual
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Heat Controller BHD-301-G Service Manual

Portable dehumidifer series with r-410a
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SERVICE MANUAL
Portable Dehumidifer Series
with R-410A:
BHD-301-G
BHD-501-G
BHD-651-G
Heat Controller, Inc. • 1900 Wellworth Ave. • Jackson, MI 49203 • (517)787-2100 • www.heatcontroller.com

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Summary of Contents for Heat Controller BHD-301-G

  • Page 1 SERVICE MANUAL Portable Dehumidifer Series with R-410A: BHD-301-G BHD-501-G BHD-651-G Heat Controller, Inc. • 1900 Wellworth Ave. • Jackson, MI 49203 • (517)787-2100 • www.heatcontroller.com...

  • Page 2: Table Of Contents

    BHD-G Service Manual Portable Dehumidifier with R-410A Heat Controller, Inc. TABLE OF CONTENTS 1. PREFACE .................... 2 1.1 SAFETY PRECAUTIONS ............2 1.2 INSULATION RESISTANCE TEST ........2 1.3 UNIT FEATURES ..............2 1.4 CONTROL LOCATIONS ............2 1.5 OUTSIDE DIMENSIONS ............3 2.

  • Page 3: Preface

    Heat Controller, Inc. Portable Dehumidifier with R-410A BHD-G Service Manual 1. PREFACE This SERVICE MANUAL provides various servicing information for the unit, including the mechanical and electrical parts, etc. This dehumidifier was manufactured and assembled under a strict quality control system.

  • Page 4: Outside Dimensions

    BHD-G Service Manual Portable Dehumidifier with R-410A Heat Controller, Inc. 3. Humidity Set Control The humidity level can be set within a range of 35%RH (Relative Humidity) to 85%RH (Relative Humidity) in 5% increments. For drier air, press the button and set to a lower percent value(%). When the value displays 35%,press button again will activate the continuous dehumidifying operation.

  • Page 5: Product Installation Instructions

    Heat Controller, Inc. Portable Dehumidifier with R-410A BHD-G Service Manual 2. Product Installation Instructions Install the portable dehumidifier in a flat and spacious location where the air outlets will not be obstructed. Do not install underneath desks or inside cupboards as this will restrict the air flow.

  • Page 6: Operation With Continuous Drainage

    BHD-G Service Manual Portable Dehumidifier with R-410A Heat Controller, Inc. 3.4 OPERATION WITH CONTINUOUS DRAINAGE On the rear of the unit, remove the rubber plug carefully. Remove the water tank first, then push the hose onto the connector located inside of the hole.

  • Page 7: Electronic Function

    Heat Controller, Inc. Portable Dehumidifier with R-410A BHD-G Service Manual 4.Electronic function 4.1 POWERING ON THE UNIT When the unit is just powered on or the dropped power is just restored, the unit will immediately perform the self- diagnosis. The check items include the water-full, temperature sensor and humidity sensor. If there is no defect, the power LED will flash at 0.5Hz while all other LEDs are off.

  • Page 8: Basic Test Procedures

    BHD-G Service Manual Portable Dehumidifier with R-410A Heat Controller, Inc. 5.Basic Test Procedures 5.1 DEFECTIVE COMPRESSOR Compressors are single phase, 115 volt. All compressor motors are permanent split capacitor type using only a running capacitor across the start and run terminal.

  • Page 9: Sealed Refrigeration System Repairs

    Heat Controller, Inc. Portable Dehumidifier with R-410A BHD-G Service Manual TERMINAL OVERLOAD (Internal) Some model compressors are equipped with an internal overload. The overload is embedded in the motor windings to sense the winding temperature and/or current draw. The overload is connected in series with the common motor terminal.

  • Page 10: Fan Motor

    BHD-G Service Manual Portable Dehumidifier with R-410A Heat Controller, Inc. 11. Break vacuum by charging system from the high side with the correct amount of refrigerant specified. This will prevent boiling the oil out of the crankcase. NOTE: If the entire charge will not enter the high side, allow the remainder to enter the low side in small increments while operating the unit.
  • Page 11 Heat Controller, Inc. Portable Dehumidifier with R-410A BHD-G Service Manual CAPACITOR - TEST 1. Remove capacitor from unit. 2. Check for visual damage such as bulges, cracks, or leaks. 3. For dual rated, apply an ohmmeter lead to common (C) terminal and the other probe to the compressor (HERM) terminal.

  • Page 12: Troubleshooting Guide

    BHD-G Service Manual Portable Dehumidifier with R-410A Heat Controller, Inc. 6. TROUBLESHOOTING GUIDE 6.1 TROUBLESHOOTING GUIDE In general, possible trouble is classified in three kinds. One is called Starting Failure which is caused from an electri- cal defect, another is ineffective Air Conditioning caused by a defect in the refrigeration circuit and improper applica- tion, and the other is called the Structure Damage.
  • Page 13 Heat Controller, Inc. Portable Dehumidifier with R-410A BHD-G Service Manual 6.3.3 Humidity sensor check 6.3.4 Fail to start or fail to start motor...
  • Page 14 BHD-G Service Manual Portable Dehumidifier with R-410A Heat Controller, Inc. 6.3.5 Abnormal noise Check whether the lines are vibrating or coming into contact with other lines or compressor Check whether the noise is from inside the line. 6.3.6 Complaint and remedy...
  • Page 15 Heat Controller, Inc. Portable Dehumidifier with R-410A BHD-G Service Manual Complaint Cause Remedy Replace the fan if cracked, out of balance, or partially missing. Replace the blower if cracked, out of balance, or partially Blower missing. Fan motor noise Loose screws Tighten them.

  • Page 16: Wiring Diagram

    BHD-G Service Manual Portable Dehumidifier with R-410A Heat Controller, Inc. 7. Wiring Diagram...
  • Page 17 05/2010 04/2009...

This manual is also suitable for:

Bhd-501-gBhd-651-g

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