Heat Controller BHD-501-G - Manuals

Page 2 - BHD-G Service Manual; Portable Dehumidifier with R-410A; TABLE OF CONTENTS; Continuous Dehumidification mode

BHD-G Service Manual Portable Dehumidifier with R-410A Heat Controller, Inc. 1 TABLE OF CONTENTS 1. PREFACE ............................................................................................ 2 1.1 SAFETY PRECAUTIONS ...................................................... 21.2 INSULATION RES...

Page 3 - SAFETY PRECAUTIONS; Inspect the service cord for damage or wear.; INSULATION RESISTANCE TEST; Water-full alarm and auto shutdown functions.; CONTROL LOCATIONS; Press to turn the dehumidifier on and off.

Heat Controller, Inc. Portable Dehumidifier with R-410A BHD-G Service Manual 2 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 syste...

Page 4 - Humidity Set Control; For drier air, press the; TIMER Set Control; Bucket is full-- Empty the bucket and replace in the right position.; OUTSIDE DIMENSIONS; Model

BHD-G Service Manual Portable Dehumidifier 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 th...

Page 5 - Product Installation Instructions; the compressor to start up and for dehumidifaction to resume.; TURNING THE UNIT “ON” OR “OFF”; not be in use for a long period of time.); OPERATION WITH WATER TANK; indicator light will flash.; Pull out the bucket a

Heat Controller, Inc. Portable Dehumidifier with R-410A BHD-G Service Manual 4 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 restric...

Page 6 - OPERATION WITH CONTINUOUS DRAINAGE; On the rear of the unit, remove the rubber plug carefully.; Precaution; Be sure to unplug the unit before cleaning.

BHD-G Service Manual Portable Dehumidifier with R-410A Heat Controller, Inc. 5 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. The hose should go down smoo...

Page 7 - Electronic function; the unit will stop anti-icing protection function.

Heat Controller, Inc. Portable Dehumidifier 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, tempera...

Page 8 - Basic Test Procedures; DEFECTIVE COMPRESSOR; Figure 1: Compressor winding test

BHD-G Service Manual Portable Dehumidifier with R-410A Heat Controller, Inc. 7 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. All compr...

Page 9 - SEALED REFRIGERATION SYSTEM REPAIRS; EQUIPMENT REQUIRED; Accurate refrigerant charge measuring device such as:; EQUIPMENT MUST BE CAPABLE OF:; Introducing refrigerant charge into high side of the system.; HERMETIC COMPONENT REPLACEMENT; Cut the line below, pinch off the suction side of the compressor.; CHECKING THE INTERNAL OVERLOAD

Heat Controller, Inc. Portable Dehumidifier with R-410A BHD-G Service Manual 8 5.2 SEALED REFRIGERATION SYSTEM REPAIRS EQUIPMENT REQUIRED 1. Voltmeter 2. Ammeter 3. Ohmmeter 4. E.P.A. Approved Refrigerant Recovery System. 5. Vacuum Pump (capable of 200 microns or less vacuum.) 6. Acetylene Welder 7....

Page 10 - will prevent boiling the oil out of the crankcase.; NOTE; Determine that capacitor is serviceable.

BHD-G Service Manual Portable Dehumidifier with R-410A Heat Controller, Inc. 9 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, al...

Page 11 - should be two times that of the first check if the capacitor is good.; remain there as long as the probes are connected.

Heat Controller, Inc. Portable Dehumidifier with R-410A BHD-G Service Manual 10 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) t...

Page 12 - TROUBLESHOOTING GUIDE; tion, and the other is called the Structure Damage.; NAMEPLATE RATING; ROOM AIRCONDITIONER VOLTAGE LIMITS:; will restore operation in the previous mode.; Water level protection function abnormal; power indicator will flash at 5 Hz.

BHD-G Service Manual Portable Dehumidifier with R-410A Heat Controller, Inc. 11 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 Condit...

Page 13 - Fail to start or fail to start motor

Heat Controller, Inc. Portable Dehumidifier 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