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Heat Controller BHD-301-G manual

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Table of contents for the manual

  • Page 1

    Heat Controller , Inc. • 1900 Wellworth A ve. • Jackson, MI 49203 • (517)787-2100 • www .heatcontroller .com SER VICE MANU AL Portable Dehumidifer Series with R-410A: BHD-301-G BHD-501-G BHD-651-G[...]

  • Page 2

    BHD-G Service Manual Portable Dehumidier with R-410A Heat Controller , Inc. 1 T ABLE OF CONTENTS 1. PREF ACE ............................................................................................ 2 1.1 SAFETY PRECAUTIONS ...................................................... 2 1.2 INSULA TION RESIST ANCE TEST ..............................[...]

  • Page 3

    Heat Controller , Inc. Portable Dehumidier with R-410A BHD-G Service Manual 2 1. PREF ACE This SERVICE MANUAL provides various servicing information for the unit, including the mechanical and electrical parts, etc. This dehumidier was manufactured and assembled under a strict quality control system. The refrigerant is charged at the factory .[...]

  • Page 4

    BHD-G Service Manual Portable Dehumidier with R-410A Heat Controller , Inc. 3 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 the button again wil[...]

  • Page 5

    Heat Controller , Inc. Portable Dehumidier with R-410A BHD-G Service Manual 4 2. Product Installation Instructions Install the portable dehumidier in a at 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 ow . Maintain a clearance of at l[...]

  • Page 6

    BHD-G Service Manual Portable Dehumidier with R-410A Heat Controller , Inc. 5 3.4 OPERA TION WITH CONTINUOUS DRAINAGE On the rear of the unit, remove the rubber plug carefully . Remove the water tank rst, then push the hose onto the connector located inside of the hole. The hose should go down smoothly without bends or kinks. Place the end of[...]

  • Page 7

    Heat Controller , Inc. Portable Dehumidier with R-410A BHD-G Service Manual 6 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[...]

  • Page 8

    BHD-G Service Manual Portable Dehumidier with R-410A Heat Controller , Inc. 7 5.Basic T est Procedures 5.1 DEFECTIVE COMPRESSOR Compressors are single phase, 1 15 volt. All compressor motors are permanent split capacitor type using only a running capacitor across the start and run terminal. All compressors are internally spring mounted and exter[...]

  • Page 9

    Heat Controller , Inc. Portable Dehumidier with R-410A BHD-G Service Manual 8 5.2 SEALED REFRIGERA TION SYSTEM REP AIRS EQUIPMENT REQUIRED 1. V oltmeter 2. Ammeter 3. Ohmmeter 4. E.P .A. Approved Refrigerant Recovery System. 5. V acuum Pump (capable of 200 microns or less vacuum.) 6. Acetylene Welder 7. Electronic Halogen Leak Detector (G.E. T y[...]

  • Page 10

    BHD-G Service Manual Portable Dehumidier with R-410A Heat Controller , Inc. 9 1 1. Break vacuum by charging system from the high side with the correct amount of refrigerant specied. 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 sma[...]

  • Page 11

    Heat Controller , Inc. Portable Dehumidier with R-410A BHD-G Service Manual 10 CAP ACITOR - 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. A satisfactory capacitor will cause a [...]

  • Page 12

    BHD-G Service Manual Portable Dehumidier with R-410A Heat Controller , Inc. 1 1 6. TROUBLESHOOTING GUIDE 6.1 TROUBLESHOOTING GUIDE In general, possible trouble is classied 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[...]

  • Page 13

    Heat Controller , Inc. Portable Dehumidier with R-410A BHD-G Service Manual 12 6.3.3 Humidity sensor check 6.3.4 Fail to start or fail to start motor[...]

  • Page 14

    BHD-G Service Manual Portable Dehumidier with R-410A Heat Controller , Inc. 13 6.3.5 Abnormal noise 6.3.6 Complaint and remedy Complaint Cause Remedy No display or any button failure. T ransformer (Discharge transformer before testing) Check resistance between the two input/output lines on transformer . Replace the transformer if either of the i[...]

  • Page 15

    Heat Controller , Inc. Portable Dehumidier with R-410A BHD-G Service Manual 14 Complaint Cause Remedy Fan motor noise Fan Replace the fan if cracked, out of balance, or partially missing. Blower Replace the blower if cracked, out of balance, or partially missing. Loose screws T ighten them. Worn bearings Replace the motor if knocking sounds cont[...]

  • Page 16

    BHD-G Service Manual Portable Dehumidier with R-410A Heat Controller , Inc. 15 7. Wiring Diagram[...]

  • Page 17

    04/2009 05/2010[...]