Dehumidifier
Service Manual
CAUTION
-Before servicing the unit, read the "safety precautions" in this manual.-Only for authorized service personnel.
HEAT CONTROLLER, INC.
MODELS: BHD-301-
D
BHD-501-
BHD-651-
Page 1: ...Dehumidifier Service Manual CAUTION Before servicing the unit read the safety precautions in this manual Only for authorized service personnel HEAT CONTROLLER INC MODELS BHD 301 D BHD 501 D BHD 651 D...
Page 2: ...ISASSEMBLY INSTRUCTIONS 3 1 MECHANICAL PARTS 10 3 1 1 BUCKET AND AIR FILTER 10 3 1 2 FRONT CASE AND TOP COVER 10 3 1 3 CABINET AND CONTROL BOX 10 3 2 CONTROL PARTS 11 3 2 1 POWER CORD ASSEMBLY 11 3 2...
Page 3: ...RECAUTIONS Disconnect the power supply before servicing or replacing any component Do not cut off the grounding prong or alter the plug in any manner 1 2 FEATURES AND DIMENSIONS 1 2 1 FEATURES Quiet o...
Page 4: ...C SOLENOID VALVE Using Temp Humid 4 122 F 20 50 C 95 RH Rating 7W 90mA COMPRESSOR MODEL No SD063SW YZG A17D2T2 QA114CBG PROTECTOR OVERLOAD PROTECTOR FOR COMPRESSOR INTERNAL PROTECTOR FUSE FOR MOTOR C...
Page 5: ...eed This controls the speed of the airflow High Fan speed is set to high Low Fan speed is set to low When Fan Speed button is pressed the fan speed mode is changed Timer Press this button to select ty...
Page 6: ...ttle or no effect in drying an adjacent enclosed storage area such as a closet unless there is adequate circulation of air in and out of the area 1 5 HOW TO OPERATE DEHUMIDIFIER 1 5 3 MICRO SWITCH The...
Page 7: ...tive humidity range is from 20 to 80 See Figure 6 Turn the Humidity Control to Off to stop the unit manually 1 5 5 2 Electronic Type The humidity control can be set on or 35 70 RH Relative Humidity fo...
Page 8: ...ROCKER MOTOR ASSEMBLY CAPACITOR COMPRESSOR SET OLP PWB PCB ASSEMBLY DISPLAY SENSOR ASSEMBLY SWITCH ASSEMBLY ROTARY SWITCH ASSEMBLY MICRO PWB PCB ASSEMBLY MAIN BHD 301 D 6411A20001Z 6600FX5001G 4681A20...
Page 9: ...202 TBZ30951701 EAF43158802 6750U L048A 6871A20600B 6877A30013R 6600A30003C EBR36909303 PART NO S SERVICE PARTS A ALTERNATE PARTS N NOT SERVICE PARTS NO CAPACITOR 3H00660V EAU32357504 EBR36909301 1 S...
Page 10: ...crews that secure the rear grille 4 Remove the rear grille See Figure 12 3 1 3 CABINET AND CONTROL BOX 1 Remove the Bucket the Air filter and Front grille according to the procedure above 2 Remove 1 s...
Page 11: ...4 Disconnect the switch wires from the micro switch assembly See Figure 16 3 2 3 PWB PCB ASSEMBLY MAIN 1 Disconnect all leads of the motor and the compressor from PWB PCB ASSEMBLY MAIN 2 Remove the sc...
Page 12: ...ROTARY 4 Remove the knob of the rotary switch by pulling it upward 5 Pull out the rocker switch by pushing the hooks on the both sides of rocker switch 6 Pull out the PWB PCB ASSEMBLY DISPLAY after t...
Page 13: ...PAN 1 Discharge the refrigerant by using a refrigerant Recovery System 2 After purging the unit completely unbrace the Discharge and the Suction tube connected compressor carefully 3 Remove 2 screws...
Page 14: ...nnecting tubes of the evaporator and condenser carefully 6 Remove the H E assembly from the orifice See Figure 26 7 Unbraze the capillary tube at the connections of the condenser and evaporator See Fi...
Page 15: ...rging 7 Recharge as follows 1 Refrigeration cycle systems are charged from the High side If the total charge cannot be put in the High side the balance will be put in the suction line through the acce...
Page 16: ...eak detector tubing cutter hand tools to remove components service valve B A COMPRESSOR COMPOUND GAUGE MANIFOLD GAUGE SEE INSETS BELOW EXTERNAL VACUUM PUMP CHARGING CYLINDER HI LOW A B A B C CONDENSER...
Page 17: ...d 126 5V If not within limits call an electrician Check the wire connections If loose repair or replace the terminal If the wires are disconnected refer to wiring diagram for identification and replac...
Page 18: ...t Replace compressor Tighten them If knocking sounds continue when running or loose replace the motor If the motor hums or noise appears to be internal while running replace motor assembly The bucket...
Page 19: ...65010 346811 359012 264110 148391 144410 752140 152302 436500 249950 266010 130410 235512 149410 435300 330870 266003 238310 135312 268711 1 266002 W0CZZ 2 268711 2 552111 567502 554160 550140 354210...
Page 20: ...165010 268711 2 264110 249950 35211A 352113 552111 567502 554160 550140 354210 554030 135312 131400 148391 144410 752140 152302 436500 130410 235512 266010 238310 435300 330870 W0CZZ 349600 149980 34...
Page 21: ...165010 268711 2 264110 249950 35211A 352113 552111 567502 554160 550140 354210 554030 135312 131400 148391 144410 752140 152302 436500 130410 235512 266010 238310 435300 330870 W0CZZ 349600 149980 34...
Page 22: ...6877A30013R R 235512 Cover Assembly Display 3551A20122A R 238310 Escutcheon MDD30271507 R 249950 Case Assembly Control 4995A20359U R 264110 Power Cord Assembly 6411A20001Z R 266002 Switch Rocker 6600...
Page 23: ...0019C R 346811 Motor Assembly AC EAU32357501 R 349600 Bracket Motor 4960A20009D R 352113 Tube Assembly Discharge AJR36701401 R 354210 Evaporator Assembly First 5421A10009Q R 359012 Fan Turbo 5900A2000...
Page 24: ...ly Drain 3087A10019E R 346811 Motor Assembly AC EAU32357504 R 349600 Bracket Motor 4960A20009D R 352113 Tube Assembly Discharge AJR36966901 R 354210 Evaporator Assembly First ADL36964801 R 359012 Fan...
Page 25: ...25 MEMO...
Page 26: ...26 MEMO...
Page 27: ...Specifications and performance data subject to change without notice HEAT CONTROLLER INC 1900 WELLWORTH AVENUE JACKSON MICHIGAN 49203 THE QUALITY LEADER IN CONDITIONING AIR P No MFL38891301...
