BHD-G Service Manual
Portable Dehumidifier with R-410A
Heat Controller, Inc.
1
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. Product Installation Instructions .................................................... 4
3. Product Operation ............................................................................. 4
3.1 Operating Conditions: ............................................................ 4
3.2 Turning the unit “ON” or “OFF” .............................................. 4
3.3 Operation with Water Tank .................................................... 4
3.4 Operation with Continuous drainage ..................................... 5
3.5 MAINTENANCE .................................................................... 5
4. Electronic function ............................................................................ 6
4.1 Powering on the unit .............................................................. 6
4.2 Setting the relative humidity .................................................. 6
4.3 Continuous Dehumidification mode
....................................... 6
4.4 Powering off the unit .............................................................. 6
4.5 Compressor protection .......................................................... 6
4.6 Protection and failure mode .................................................. 6
5. Basic Test Procedures ...................................................................... 7
5.1 Defective Compressor ........................................................... 7
5.2 SEALED REFRIGERATION SYSTEM REPAIRS.................. 8
5.3 FAN MOTOR ......................................................................... 9
5.4 CAPACITOR .......................................................................... 9
6. TROUBLESHOOTING GUIDE ...........................................................11
6.1 TROUBLESHOOTING GUIDE ............................................11
6.2 Fault Codes .........................................................................11
6.3 TROUBLE SHOOTING ........................................................11
7. WIRING DIAGRAM ........................................................................... 15