Manuals / Heat Controller / Household Appliance / Dehumidifier

Heat Controller BHD-651-C, BHD-501-B, BHD-301-C service manual A-PullingVacuum, B-Charging

Models: BHD-651-C BHD-501-B BHD-301-C

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Equipment needed: Vacuum pump, charging cylinder, manifold gauge, brazing equipment. pinch-off tool capable of making a vapor-proof seal, leak detector, tubing cutter, hand tools to remove components, service valve.

EVAPORATOR ASSEMBLY

(LOW PRESSURE SIDE)

CONDENSER ASSEMBLY

(HIGH PRESSURE SIDE)

COMPOUND GAUGE

MANIFOLD

GAUGE

CAPILLARY

TUBE

SEE INSETS

BELOW

COMPRESSOR

EXTERNAL

VACUUM PUMP

LOW HI

CHARGING

CYLINDER

Figure 31A-Pulling Vacuum

Figure 31B-Charging

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Heat Controller BHD-651-C, BHD-501-B, BHD-301-C service manual A-PullingVacuum, B-Charging

Contents

HEAT CONTROLLER, INC MODELS BHD-301-C BHD-501-B BHD-651-CDehumidifier 3. DISASSEMBLY INSTRUCTIONS CONTENTS1. PREFACE 1.1 SAFETY PRECAUTIONS 1.2 FEATURES AND DIMENSIONS1.2.1 FEATURES 1.2.2DIMENSIONS mm/in1.3 SPECIFICATIONS MODELSBHD-301-C BHD-501-BTimer Bucket Full IndicatorPower 1.4 CONTROL TYPE1.5HOW TO OPERATE DEHUMIDIFIER 1.5.3 MICRO SWITCH1.5.1HOW DOES THE DEHUMIDIFIER WORK? 1.5.2 LOCATION FOR THE DEHUMIDIFIER1.5.5 HUMIDITY CONTROLLER 1.5.5.1 Mechanical Type1.5.5.2 Electronic Type Figure Figure2. CIRCUIT DIAGRAM MODEL BHD-301-CDESCRIPTION BHD-301-CMODEL BHD-501-B/BHD-651-C WIRING DIAGRAMCOMP 3854A20247U3. DISASSEMBLY INSTRUCTIONS 3.1 MECHANICAL PARTS3.1.1 BUCKET AND AIR FILTER 3.1.2 FRONT CASE AND REAR GRILLE3.2.1 POWER CORD ASSEMBLY 3.2.2 SENSOR ASSEMBLY3.2.3 PWBPCB ASSEMBLY, MAIN 3.2.5 MICRO SWITCH ASSEMBLY3.2.6COIL ASSEMBLY, SOLENOID BHD-501-B, BHD-651-C 3.2.7 CONTROL PANEL3.2.7.1CONTROL PANEL - Mechanical Type BHD-301-C Figure Figure3.2.9 SHROUD AND DRAIN PAN 3.2.8 FAN AND MOTORFigure Figure Figure Figure 3.3 REFRIGERATING CYCLE 3.3.1 CONDENSER, EVAPORATOR AND CAPILLARY TUBE3.3.2 COMPRESSOR Figure Figure3.4 HOW TO REPLACE THE REFRIGERATION SYSTEM Figure 31A-PullingVacuum Figure 31B-Charging4. TROUBLESHOOTING GUIDE CONDITIONCAUSE REMEDYCAUSE CONDITIONREMEDY 5. EXPLODED VIEWS MODEL BHD-301-CMODEL BHD-501-B MODEL BHD-651-C —21—6. REPLACEMENT PARTS LIST REMARKMODEL BHD-301-C DESCRIPTIONMODEL BHD-501-B REMARKDESCRIPTION BHD-501-BMODEL BHD-651-C REMARKDESCRIPTION BHD-651-CMEMO MEMO THE QUALITY LEADER IN CONDITIONING AIR HEAT CONTROLLER, INC1900 WELLWORTH AVENUE JACKSON, MICHIGAN P/No. MFL38891301