Frigidaire DH300MY5 User's Manual
Contents
1. THERMISTI 385420247 NO DESCRIPTION QTY RE DH305Y5 DH300MY5 PER SETIMARKS 1 POWER CORD ASSEMBLY 6411 200012 1 s 2 SWITCH ROCKER 6600FX5001G 1 3 MOTOR ASSEMBLY 4681A20040Q 1 5 4 CAPACITOR OCZZA20005J 1 sS 5 COMPRESSOR SET 2520UCBS005 1 s 6 OLP 6750U L082A 1 7 PWB PCB ASSEMBLY DISPLAY 6871A20289B HIE 8 SENSOR ASSEMBLY 6877A30013L NET 9 SWITCH ASSEMBLY ROTARY 6601A30001B 4 is 10 SWITCH ASSEMBLY MICRO 6600A30003C 1 11 PWB PCB ASSEMBLY MAIN 6871 10142 1 5 x S SERVICE PARTS A ALTERNATE PARTS N NOT SERVICE PARTS 8 MODEL DH300EY5 CN FAN MAIN PCB BK HI MoTORJEDLow GN YL OR COM DISPLAY PC B 43 UCKE B SW HUMIDITY 3 SENSOR 0 POWER TRANS Qoe FUSE 250V T3 15A WIRING DIAGRAM 3854 20247 THERMISTOR NO DESCRIPTION 1 1 POWER CORD ASSEMBLY 6411A20001Z 1 2 MOTOR ASSE2. 2hr On Off High Low A AUTO RESTART we eu _ m s F s Figure 3 Fan Speed 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 type of operation Select continuous On for uninterrupted operation Select either 2 or 4 hr On Off for cycled operation The unit will operate for 2 or 4 hours and then shut off completely for 2 or 4 hours The cycle repeats until you change the setting When Timer button is pressed the Timer indicator lights shift as follow from 2hr On Off to 4hr On Off Humidity Control When you first use the dehumidifier turn the humidity control to 5 or 6 If you still have moisture turn the humidity control to a higher setting MAX is the highest setting When excess moisture and dampness odors are gone adjust the control to a lower setting Use the dehumidifier as long as excess moisture is present Fan Speed The fan control adjusts the fan speed Set the fan control to HIGH for maximum moisture removal When the humidity has been reduced and quiet operation is preferred set the fan control to LOW Bucket Full Indicator This light glows when the water bucket is full and needs to be emptied Power Operation starts when this button is pressed and stops when the butt
3. COIL BK HI 82004 GN YL OR COM REVERSING 4 DISPLAY P C B 00000000000000 RY S VALE 2 BUCKET SW HUMIDITY 9 SENSOR RY COMP POWER 4 3 TRANS o6vooe THERMISTOR FUSE 250V T3 15A CAPACITOR 3854A20247J NO DESCRIPTION PARTNO QTY RE DH504ELY5 LD50ELY5 LD65ELY5 PER SET MARKS 1 POWER CORD ASSEMBLY 6411A20001Z 1 2 MOTOR ASSEMBLY 4681A20040J 4681A20040K 1 S 3 CAPACITOR 0CZZA20005J 0CZZA20005J 1 S 4 COMPRESSOR ROTARY SET 2520UCBA010 2520UCBA007 1 S 5 OLP 6750U L001A 6750U L048A 1 S 6 PWB PCB ASSEMBLY DISPLAY 6871 20482 1 5 7 SENSOR ASSEMBLY 6877A30013L 1 5 8 SWITCH ASSEMBLY MICRO 6600A30003C 1 5 9 PWB PCB ASSEMBLY MAIN 6871A10141C 1 5 10 COIL ASSEMBLY SOLENOID 6421A20003K 1 5 5 SERVICE PARTS A ALTERNATE PARTS N NOT SERVICE PARTS 12 3 DISASSEMBLY INSTRUCTIONS 3 1 MECHANICAL PARTS 3 1 1 BUCKET AND AIR FILTER 1 Turn the Humidity Control off Mechanical type or press the power button off Electronic type 2 Disconnect the power supply 3 Remove the bucket See Figure 9 4 Pull out the
4. MODEL DH400MY5 LD40Y5 SOLEY P 0 d d Yo 9 7 Aes 4 3 e MODEL DH404EY5 DH400EY5 LD40EY5 25 MODEL DH504ELY5 LD50ELY5 e MODEL LD65ELY5 6 REPLACEMENT PARTS LIST MODEL DH305Y5 DH300MY5 EUT On DESCRIPTION bk REMARK NO DH305Y5 DH300MY5 130410 BASE ASSEMBLY 3041A10042A 131400 CABINET 3090A10042A 135312 FRONT GRILLE ASSEMB
5. 3531A20285B B LG E Goldstar 330870 DRAIN PAN ASSEMBLY 3087A10019C 148391 TANK ASSEMBLY BUCKET 4839A10002A 149410 KNOB ASSEMBLY 4941A30019B 152302 FILTER MECH AIR 5230A20040A 165010 SENSOR ASEMBLY 6877A30013M WOCZZ 2 CAPACITOR OCZZA20005N 249950 CONTROL BOX ASSEMBLY 4995A20359H 264110 POWER CORD ASSEMBLY 6411A20001Z 266002 SWITCH ROCKER 6600FX5001G 266003 SWITCH ASSEMBLY ROTARY 6601A30001B 266010 SWITCH ASSEMBLY MICRO 6600A30003C 268711 1 PWB PCB ASSEMBLY DISPLAY 6871A20289B 268711 2 PWB PCB ASSEMBLY MAIN 6871A10142A 346811 MOTOR ASSEMBLY 4681A20040J 35211A TUBE ASSEMBLY SUCTION 5211A11057B 352113 TUBE ASSEMBLY DISCHARGE 5211A10463A 552111 TUBE ASSEMBLY CAPILLARY 5211A31003B 354210 EVAPORATOR ASSEMBLY 5421A10009N 554030 CONDENSOR ASSEMBLY 5403 10008 554160 COMPRESSOR SET 2520UCAS003 359012 FAN TURBO 5900A20007A 567502 OLP 6750U L103A 349600 MOUNT MOTOR 4960A20009B 436500 HANDLE 3650A20004A 144410 CASTER ASSEMBLY ROLLER 4441A30001B 238310 ESCUTCHEON 3831A20079E K E Goldstar K LG 235512 COVER ASSEMBLY DISPLAY 3551A20122A 752140 HOSE CONNECTOR 5214A20027B 550140 BUSHING 4830A30005A 149980 SHROUD 4998A10034A 435300 REAR GRILLE 3530A10193B 30 e MODEL DH404E Y5 DH400EY5 LD40EY5 LOCATION Bank a DESCRIPTION REMARK NO DH404E Y5 DH400EY5 LD40EY5 1304
6. ASSEMBLY ROTARY 6601A30001C 1 S 10 SWITCH ASSEMBLY MICRO 6600A30003C 1 S 11 PWB PCB ASSEMBLY MAIN 6871A10142A 1 5 5 SERVICE PARTS A ALTERNATE PARTS N NOT SERVICE PARTS 10 MODEL DH404EY5 DH400EY5 LD40EY5 BK HI MAIN PCB OR COM RD LOW GN YL ORC WH BL DISPLAY BUCKE SW HUMIDITY 8 SENSOR ANN 2 RY COMP POWER 4 3 TRANS viou THERMISTOR FUSE 250V T3 15A WIRING DIAGRAM 3854 20247 DH404EY5 DH400EY5 bes MA LD40EY5 1 POWER CORD ASSEMBLY 6411A20001Z 1 S 2 MOTOR ASSEMBLY 4681A20040J 1 S 3 CAPACITOR 0CZZA20005N 1 S 4 COMPRESSOR SET 2520UCAS003 1 S 5 OLP 6750U L103A 1 S 6 PWB PCB ASSEMBLY DISPLAY 6871 20482 1 S 7 SENSOR ASSEMBLY 6877A30013M 1 S 8 SWITCH ASSEMBLY MICRO 6600A30003C 1 S 9 PWB PCB ASSEMBLY MAIN 6871A10141A 4 5 5 SERVICE PARTS A ALTERNATE PARTS N NOT SERVICE PARTS 11 e MODEL DH504ELY5 LD50ELY5 LD65ELY5 MAIN PCB
7. DRAIN PAN ASSEMBLY 3087A10019C 148391 TANK ASSEMBLY BUCKET 4839A10002A 152302 FILTER MECH AIR 5230A20040A 165010 SENSOR ASEMBLY 6877A30013L WOCZZ 2 CAPACITOR 0CZZA20005J 249950 CONTROL BOX ASSEMBLY 4995A20359L 264110 POWER CORD ASSEMBLY 64114200012 266010 SWITCH ASSEMBLY MICRO 6600A30003C 268711 1 PWB PCB ASSEMBLY DISPLAY 6871A20482A 268711 2 PWB PCB ASSEMBLY MAIN 0 346811 MOTOR ASSEMBLY 4681A20040K 35211A TUBE ASSEMBLY SUCTION 5211A10454B 352113 TUBE ASSEMBLY DISCHARGE 5211A10544A 552204 ASSEMBLY SOLENOID 6421A20003K 354210 EVAPORATOR ASSEMBLY 5421A10009R 554030 CONDENSOR ASSEMBLY 5403A10008L 554160 COMPRESSOR SET 2520UCBA007 359012 FAN TURBO 5900A20007A 567502 OLP 67500 1048 349600 4960A20009B 436500 HANDLE 3650A20004A 144410 CASTER ASSEMBLY 4441A30001B 238310 ESCUTCHEON 3831A20079J 235512 COVER ASSEMBLY DISPLAY 3551A20109B 752140 HOSE CONNECTOR 5214A20027B 550140 BUSHING 4830A30005A 149980 SHROUD 4998A10034A 435300 REAR GRILLE 3530A10193B 33 January 2005 P No 3828A31001 Printed in China
8. air filter See Figure 10 3 1 2 FRONT CASE AND REAR GRILLE 1 Remove 2 screws which fasten the front grille 2 Pull the front grille forward and upward See Figure 11 3 Remove 6 screws 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 screws that fasten Control box See Figure 13 3 Remove 8 screws on all sides of the cabinet 4 Lift the Cabinet from the base See Figure 13 5 Remove a screw fasten the earth wire on the inside of control box 6 Remove 1 screw that fasten control box and unhook control box from hook on the shroud See Figure 14 Figure 11 Figure 12 Figure 13 Figure 14 13 3 2 CONTROL PARTS 3 2 1 POWER CORD ASSEMBLY 1 After opening the control box remove the screw that holds the ground wire See Figure 15 2 Disconnect the remaining leads of the power cord from the PWB PCB ASSEMBLY MAIN then remove it from the control box 3 2 2 SENSOR ASSEMBLY 1 Disconnect the sensor assembly from the PWB PCB ASSEMBLY MAIN 2 Remove the screw which fastens the humidity sensor See Figure 16 3 Remove the thermistor from the holder See Figure 16 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
9. 0 CABINET 3090A10042A 135312 FRONT GRILLE ASSEMBLY 3531A10254A E A Goldstar E LG 330870 DRAIN PAN ASSEMBLY 3087A10019C 148391 TANK ASSEMBLY BUCKET 4839A10002A 152302 FILTER MECH AIR 5230A20040A 165010 SENSOR ASEMBLY 6877A30013L WOCZZ 2 CAPACITOR 0CZZA20005J 249950 CONTROL BOX ASSEMBLY 4995A20359T 264110 POWER CORD ASSEMBLY 64114200012 266010 SWITCH ASSEMBLY MICRO 6600A30003C 268711 1 PWB PCB ASSEMBLY DISPLAY 6871A20482A 268711 2 PWB PCB ASSEMBLY MAIN 0 346811 MOTOR ASSEMBLY 4681A20040J 35211A TUBE ASSEMBLY SUCTION 5211A11054A 352113 TUBE ASSEMBLY DISCHARGE 5211A11058A 552204 ASSEMBLY SOLENOID 6421A20003K 354210 EVAPORATOR ASSEMBLY 5421A10009Q 554030 CONDENSOR ASSEMBLY 5403A10008A 554160 COMPRESSOR SET 2520UCBA010 359012 FAN TURBO 5900A20007A 567502 OLP 6750U LOO1A 349600 MOUNT MOTOR 4960A20009B 436500 HANDLE 3650A20004A 144410 CASTER ASSEMBLY ROLLER 4441A30001B 238310 ESCUTCHEON 3831A20079AN A Goldstar J LG 235512 COVER ASSEMBLY DISPLAY 3551A20109B 752140 HOSE CONNECTOR 5214A20027B 550140 BUSHING 4830A30005A 149980 SHROUD 4998A10034A 435300 REAR GRILLE 3530A10193B 32 MODEL LD65ELY5 SOU ON DESCRIPTION PART NO REMARK NO LD65ELY5 130410 BASE ASSEMBLY 3041A10042A 131400 CABINET 3090A10042A 135312 FRONT GRILLE ASSEMBLY 3531A10254E 330870
10. 1 75 1 50 REFRIGERANT R22 REFRIGERANT CHARGE oz g 3 53 100 4 94 140 7 93 225 8 46 240 OPEN CLOSE 33 8 1 0 5 50 10 0 5 THERMISTOR SOLENOID VALVE Using Temp Humid 4 122 F 20 50 C 95 RH Rating 7W 90mA COMPRESSOR MODEL No QS064CAB QS075CBA QA075CDB QA114CBD PROTECTOR OVERLOAD PROTECTOR FOR COMPRESSOR INTERNAL PROTECTOR FUSE FOR MOTOR CAPACITOR 35uF 270VAC 40uF 270VAC 35uF 270VAC 35uF 270VAC MOTOR ASSEMBLY SINGLE Shaded pole motor 72W 1 4A Thermal cutoff 266 F 130 C Shaded pole motor 91W 1 8A Thermal cutoff 266 F 130 C SWITCH ASSEMBLY MICRO 15A 250VAC OUTSIDED MENSIONS WxHxD mm in 3 8 13 1 4 21 5 32 385 540 340 15 NET WEIGHT kg lbs 17 6 38 9 17 6 38 9 20 4 44 9 NOTE Specifications are subject to minor change without notice for further improvement 22 2 48 9 1 5 CONTROL TYPE 1 5 1 Mechanical type 279 off Max Humidity Control Figure 2 Auto Shut Off This light glows when the bucket is full or when the bucket is removed or not placed in the proper position In these cases the Water Level Control Switch shuts off the dehumidifier When the light glows check the bucket condition 1 5 2 Electronic type ac DI HUMIDITY 4hr On Off CONTROL
11. 10 BASE ASSEMBLY 3041A10042B 131400 CABINET 3090A10042A 135312 FRONT GRILLE ASSEMBLY 3531 10254 A Goldstar E LG 330870 DRAIN PAN ASSEMBLY 3087A10019C 148391 TANK ASSEMBLY BUCKET 4839A10002A 152302 FILTER MECH AIR 5230A20040A 165010 SENSOR ASEMBLY 6877A30013M WOCZZ 2 CAPACITOR OCZZA20005N 249950 CONTROL BOX ASSEMBLY 4995A20359F 264110 POWER CORD ASSEMBLY 6411A20001Z 266010 SWITCH ASSEMBLY MICRO 6600A30003C 268711 1 PWB PCB ASSEMBLY DISPLAY 6871A20482A 268711 2 PWB PCB ASSEMBLY MAIN 6871A10141A 346811 MOTOR ASSEMBLY 4681A20040J 35211A TUBE ASSEMBLY SUCTION 5211A11057B 352113 TUBE ASSEMBLY DISCHARGE 5211A10463A 552111 TUBE ASSEMBLY CAPILLARY 5211A31003B 354210 EVAPORATOR ASSEMBLY 5421A10009N 554030 CONDENSOR ASSEMBLY 5403A10008M 554160 COMPRESSOR SET 2520UCAS003 359012 FAN TURBO 5900A20007A 567502 OLP 6750U L103A 349600 MOUNT MOTOR 4960A20009B 436500 HANDLE 3650A20004A 144410 CASTER ASSEMBLY ROLLER 4441A30001B 238310 ESCUTCHEON 3831A20079A J A Goldstar J LG 235512 COVER ASSEMBLY DISPLAY 3551A20109B 752140 HOSE CONNECTOR 5214A20027B 550140 BUSHING 4830A30005A 149980 SHROUD 4998A10034Y 435300 REAR GRILLE 3530A10193B 31 MODEL DH504ELY5 LD50ELY5 SOU ON DESCRIPTION PART NO REMARK NO DH504ELY5 LD50ELY5 130410 BASE ASSEMBLY 3041A10042A 13140
12. G ci G http biz LGservice com Dehumidifier MODELS DH300EY5 DH305Y5 DH300MY5 LD40Y5 DH400MY5 DH404EY5 DH400EY5 LD40EY5 DH504ELYS LD50ELY5 LD65ELY5 CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE CONTENTS 1 PREFACE SAFETY PRECAUTIONS Sriati nus amas 3 1 2 FEATURES AND DIMENSIONS a te 3 3 1 kinn ka ag kaa a ua Gn tea kk ka it lie 3 1 3 MODER NAMES ay ss suka n n ey E e pk n 4 5 u EE 4 1 5 CONTROL 0 ade cd A a dc 5 1 53 MECHANICAL TYPE u gou a ct dan e E 5 1 5 2 ELECTRONIC T PE Qu M t LEA A M ate 5 1 6 HOW OPERATE 6 1 6 1 HOW DOES THE DEHUMIDIFIER WORK 6 1 6 2 LOCATION FOR THE DEHUMIDIFIER iut tL 6 10 5 MICRO kebek ak hasa ms 6 TO4 AUTO DEEROST tete 6 7 2 GIRCUIT DIAGRAN ae ah ba p ae 8 3 DISASSEMBLY INSTRUCTIONS Sd MECHANICAL PARTS foo on A pe pe kk e 13 Sel A BUCKET AND AI
13. ION FOR THE DEHUMIDIFIER Allow at least 12 inches of space on all sides of the unit for good air circulation See Figure 5 B The dehumidifier must be operated in an enclosed area to be most effective Close all doors windows and other outside openings to the room Place the dehumidifier in a location that does not restrict air flow into the front grille or out the rear grille The operation of dehumidifier in a basement will have little 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 6 3 MICRO SWITCH The micro switch assembly which is located on the drain pan of inside unit automatically shuts off the dehumidifier when the bucket is full note the Auto Shut Off lights to indicate bucket must be emptied The bucket replaces in its place the unit again turns itself on 1 6 4 AUTO DEFROST When frost builds up on the cooling coils the unit will automatically cycle off until the frost disappears The fan continues to run NOTE The unit will not operate satisfactorily if the room temperature is below 65 F 18 C If the dehumidifier is operated in low temperature conditions frost can form in the evaporator coil and the unit will cycle ON OFF repeatedly In this case please check your room temperature conditions and stop the unit NOTE The low temperature operation feature in the DH504EL DH50EL and DH65EL models will con
14. LY 3531A10285C 330870 DRAIN PAN ASSEMBLY 3087A10019C 148391 TANK ASSEMBLY BUCKET 4839A10002A 149410 KNOB ASSEMBLY 4941A30019B 152302 FILTER MECH AIR 5230A20040A 165010 SENSOR ASEMBLY 6877A30013L 249950 CONTROL BOX ASSEMBLY 4995A20359U 264110 POWER CORD ASSEMBLY 64114200012 266002 SWITCH ROCKER 6600FX5001G 266003 SWITCH ASSEMBLY ROTARY 6601A30001B 266010 SWITCH ASSEMBLY MICRO 6600A30003C 268711 1 PWB PCB ASSEMBLY DISPLAY 6871A20289B 268711 2 PWB PCB ASSEMBLY MAIN 6871A10142A 346811 MOTOR ASSEMBLY 4681A20040Q 35211A TUBE ASSEMBLY SUCTION 5211A11057A 352113 TUBE ASSEMBLY DISCHARGE 5211A11056A 552111 TUBE ASSEMBLY CAPILLARY 5211A31023B 354210 EVAPORATOR ASSEMBLY 5421A10009P 554030 CONDENSOR ASSEMBLY 5403A10008B WOCZZ 2 CAPACITOR 0CZZA20005J 554160 COMPRESSOR SET 2520UCBS005 359012 FAN TURBO 5900A20007A 567502 OLP 6750U L082A 349600 MOUNT MOTOR 4960A20009B 436500 HANDLE 3650A20004A 144410 CASTER ASSEMBLY 4441A30001B 238310 ESCUTCHEON 3831A20079M 235512 COVER ASSEMBLY DISPLAY 3551A20122A 752140 HOSE CONNECTOR 5214A20027B 550140 BUSHING 4830A30005A 149980 SHROUD 4998A10034A 435300 REAR GRILLE 3530A10193B 28 MODEL DH300EY5 SOU ON DESCRIPTION bit REMARK NO DH300EY5 130410 BASE ASSEMBLY 3041A10042A 131400 CABINET 3090A10042A 135312 FR
15. MBLY 4681A20040Q 125 3 CAPACITOR 0CZZA20005J 8 4 COMPRESSOR SET 2520UCBS005 1 5 6750U L082A 1 6 PWB PCB ASSEMBLY DISPLAY 6871A20482A 1 S 7 SENSOR ASSEMBLY 6877A30013L DUE 8 SWITCH ASSEMBLY MICRO 6600A30003C 1 9 PWB PCB ASSEMBLY MAIN 6871A10141A 1156 5 SERVICE PARTS 5 9 N NOT SERVICE PARTS e MODEL DH400MY5 LD40Y5 ROCKER 0 SWITCH RD LOW cNRsw MAIN PCB OR RD Z JORCOM HUMIDITY BK HI CONTROL SIW MOTOR RELLOW Le J OR COM I BUCKET FULL H BL N BR M le BUCKET HUMIDITY SW 3 SENSOR RY COMP POWER 4 3 TRANS O oe THERMISTOR FUSE 250V T3 15A CAPACITOR 3854A20247A NO DESCRIPTION PARTAS QTY RE DH400MY5 LD40Y5 PER SET MARKS 1 POWER CORD ASSEMBLY 6411A20001Z 1 2 SWITCH ROCKER 6600FX5001G 1 5 3 MOTOR ASSEMBLY 4681A20040J 1 s 4 CAPACITOR 0 22 20005 1 5 5 COMPRESSOR ROTARY SET 25200 5003 1 5 6 OLP ASSEMBLY 6750U L103A 1 5 7 PWB PCB ASSEMBLY DISPLAY 6871A20289B 1 S 8 SENSOR ASSEMBLY 6877A30013M 1 S 9 SWITCH
16. OLP High or low line voltage 115V 10 Check line voltage It must be between 103 5V and 126 5V volts Ifintermittent provide new supply Poor air circulation Move dehumidifier for free and unobstructed air flow Heat Exchange clogged with dust or dirt Clean dust or dirt on the Heat Exchange Motor If not running determine the cause Replace if required Short circuit or ground in electrical circuit Unit pressures not equalized Check electrical circuit Repair Allow 2 or 3 minutes for pressure to equalize before starting compressor Capacitor Test the capacitor Wiring Refrigeration system Check the terminals If loose repair or replace Check the system for a restriction Stuck compressor Check compressor replace compressor Overload protector OLP Check OLP if externally mounted Replace if open If the compressor temperature is high remove the OLP cool and retest 5 EXPLODED VIEWS MODEL DH305Y5 DH300MY5 MODEL DH300EY5
17. ONT GRILLE ASSEMBLY 3531A10254F 330870 DRAIN PAN ASSEMBLY 3087A10019C 148391 TANK ASSEMBLY BUCKET 4839A10002A 152302 FILTER MECH AIR 5230A20040A 165010 SENSOR ASEMBLY 6877A30013L 249950 CONTROL BOX ASSEMBLY 4995 203595 264110 POWER CORD ASSEMBLY 6411A20001Z 266010 SWITCH ASSEMBLY MICRO 6600A30003C 268711 1 PWB PCB ASSEMBLY DISPLAY 6871A20482A 268711 2 PWB PCB ASSEMBLY MAIN 6871A10141A 346811 MOTOR ASSEMBLY 4681A20040Q 35211A TUBE ASSEMBLY SUCTION 5211A11057A 352113 TUBE ASSEMBLY DISCHARGE 5211A11056A 552111 TUBE ASSEMBLY CAPILLARY 5211A31023B 354210 EVAPORATOR ASSEMBLY 5421A10009P 554030 CONDENSOR ASSEMBLY 5403A10008B 558511 DRIER ASSEMBLY 5851A30001A 554160 COMPRESSOR SET 2520UCBS005 359012 FAN TURBO 5900A20007A 567502 OLP 6750U L082A 349600 MOUNT MOTOR 4960A20009B WOCZZ 2 CAPACITOR 0CZZA20005J 436500 HANDLE 3650A20004A 144410 CASTER ASSEMBLY 4441A30001B 238310 ESCUTCHEON 3831A20079L 235512 COVER ASSEMBLY DISPLAY 3551A20109B 752140 HOSE CONNECTOR 5214A20027B 550140 BUSHING 4830A30005A 149980 SHROUD 4998A10034A 435300 REAR GRILLE 3530A10193B 23 e MODEL DH400MY5 LD40Y5 LOCATION DESCRIPTION REMARK NO DH400MY5 LD40Y5 130410 BASE ASSEMBLY 3041A10042B 131400 CABINET 3090A10042A 135312 FRONT GRILLE ASSEMBLY 3531A10285E
18. ORATOR AND CAPILLARY TUBE Remove the insulation on the Heater Evaporator assembly 2 Pierce the pinch off tube to discharge the refrigerant using a refrigerant recovery system After discharging the refrigerant completely remove 2 screws between the housing assembly and the H E See Figure 26 4 Lift and open the around 45 degree counterclockwise carefully Unbraze each of interconnecting tubes of the evaporator and condenser carefully Remove the H E assembly from the orifice See Figure 27 Unbraze the capillary tube at the connections of the condenser and evaporator See Figure 28 Remove 4 screws between the condenser and evaporator See Figure 28 CD N Figure 28 Using Rotary Compressor models 3 3 2 COMPRESSOR 1 Discharge the refrigerant by using a refrigerant Recovery System 2 After purging the unit completely unbraze the suction and discharge tubes at the compressor connections Remove the nuts and washers which fasten the compressor See Figure 29 4 Remove the compressor See Figure 29 CD Figure 29 3 4 HOW TO REPLACE THE REFRIGERATION SYSTEM 1 When replacing a refrige
19. R FITER a t fiy ba ab ot tie e ne Me 13 3 1 2 FRONT CASE AND TOP COVER ee 13 3 1 3 CABINET AND CONTROL BOX ko pe Nutt nda telah detti un ea l Ze 19 SO CONTROLPARIS e a e ma a oo 14 2 POWER CORD ASSE ML Y dicaci a aa 0 14 3 22 SENSOR ASSEMBLY uuu ein kuu n ka eta 14 3 2 3 PWB PCB ASSEMBLY n n DAL ID E DILE 14 824 CAPACITOR aD S utis an ba bata e 14 3 2 5 MICRO SWITCH ASSEMBLY 8 14 3 2 6 COIL ASSEMBLY SOLENOLID e a n loose tatou 15 327 GONTRODPANEL 0 15 32 8 FAN AND MOTOR Gp u hu Qa a ua s auqa 16 3 29 DRAIN PAN be toner P T 16 3 3 REFRIGERATING CYCLE io e aka a ae 17 3 3 1 CONDENSER EVAPORATOR AND CAPILLARY 17 3 3 2 ROTARY COMPRESSOR pab ban e epe on 17 HOW REPLACE REFRIGERATION SYSTEM atelier landa 18 4 TROUBLESHOOTING a 20 S EXPEODED VIEWS dco iet edet t Pa e e etat tege maa 22 6 REPLACEMENT PARTS ottenuta tenete 28 2 1 PREFACE This Service Manual provides various service information including the mechanical and electrical parts This dehumidifier was manufactured and assembled unde
20. ay cover 3 2 6 2 CONTROL PANEL Electronic Type DH300EY5 DH404EY5 DH400EY5 LD40E Y5 DH504ELY5 LD50ELY5 LD65ELY5 1 Disconnect the housing of the PWB PCB ASSEMBLY DISPLAY from PWB PCB ASSEMBLY MAIN 8 1 3 2 Remove 6 screws that secure the PWB PCB ASSEMBLY DISPLAY to the display cover 15 d 1 dif Figure 20 Figure 21 3 2 8 FAN AND MOTOR Turn the nut left and full out the Fan by hands carefully Remove 2 screws that fasten Heat Exchange Lift the H E and open the H E around 45 degree clockwise carefully See Figure 22 Unfasten 3 screws that secure the Motor and earth wire See Figure 23 Remove the Motor 3 2 9 SHROUD AND DRAIN PAN Discharge the refrigerant by using a refrigerant Recovery System After purging the unit completely unbrace the Discharge and the Suction tube connected compressor carefully Remove 2 screws that fasten the H E Unfasten 2 screws that secure the shroud on the sides and then lift shroud from the drain pan See Figure 24 Unfasten 2 screws that secure the drain pan to base pan See Figure 25 Pull the drain pan backward then take it up from the base See Figure 25 16 LES 4 Z1 4 Lal CECH 7 Za Yk X1 N Si A 3 3 REFRIGERATING CYCLE 3 3 1 CONDENSER EVAP
21. eal 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 TUBE 2 SEE INSETS BELOW CAPILLARY EXTERNAL VACUUM PUMP CHARGING CYLINDER Figure 31A Pulling Vacuum Figure 31B Charging 19 4 TROUBLESHOOTING GUIDE CONDITION REMEDY 1 Dehumidifier does not start Both compressor and fan motor do not operate No power Check power supply at outlet Correct if none Poor plug contact at outlet Install plug properly or replace it Bucket is full If Auto Shut Off lights empty the bucket and replace properly Humidity control is at Off position Turn the humidity control switch toward Max Wire disconnected or loose Connect wire Refer to wiring diagram for terminal identification Repair or replace loose terminal Discharge capacitor before testing Test capacitor Replace if not within 1090
22. heck defrost control replace it 4 Insufficient dehumidification Low relative humidity Turn dehumidifier off Poor air circulation Move dehumidifier to obtain free and unobstructed air circulation H E clogged with dust and dirt Clean evaporator and or condenser assembly Air filter is dirty Motor is not operating Clean it Check Motor repair or replace it CONDITION CAUSE REMEDY 5 Noisy operating Fan If cracked out of balance or partially missing replace it Loose foreign material inside the housing Remove it Tube hits frame Adjust tubing routine carefully Fan blade hits frame Check Motor Mount If loose tighten it Internal compressor noise Replace compressor Loose set screws Tighten them Worn bearings of Motor Assembly 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 6 Water drips The bucket is not installed properly The bucket should be properly positioned on the hangers of the drain pan Connection may be loose Check connection and repair Leak in bucket Replace bucket Water drips when bucket removed for emptying Before removing bucket the unit should be turned off Bucket overflows Check micro switch and float 7 Compressor cycles on overload protector
23. motor and the compressor from PWB PCB ASSEMBLY MAIN 2 Remove the screw which fastens the PWB PCB ASSEMBLY MAIN and pull it out after unhooking from 2 rectangular holes of the control box lower See Figure 17 3 2 4 CAPACITOR 1 Remove the screw that fastens the capacitor See Figure 17 2 Disconnect all leads from the capacitor and then remove it from control box 3 2 5 MICRO SWITCH ASSEMBLY 1 Turn the nut counterclockwise and pull out the micro switch from the drain pan See Figure 18 14 Figure 15 Figure 16 Figure 17 Figure 18 3 2 6 COIL ASSEMBLY SOLENOID DH504ELY5 LD50ELY5 LD65ELY5 1 Disconnect the housing of the COIL ASSEMBLY SOLENOID from the PCB PWB ASSEMBLY MAIN 2 Remove the screw that fastens the COIL ASSEMBLY SOLENOID See Figure 19 3 Pull it out upwards 3 2 7 CONTROL PANEL 3 2 6 1 CONTROL PANEL Mechanical Type DH305Y5 DH300MY5 DH400MY5 LD40Y5 1 Disconnect housing and all leads of the rocker switch SWITCH ASSEMBLY ROTARY and PWB PCB ASSEMBLY DISPLAY from PWB PCB ASSEMBLY MAIN 3 1 3 2 Pull out the knob assembly 3 Remove the nut which fastens the SWITCH ASSEMBLY 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 turning over both hooks of the displ
24. of manufacturer s rating Replace if shorted open or damaged 2 Motor runs but compressor does not run Voltage 115V 10 It must be between 103 5V and 126 5V If not within limits call an electrician Wiring Check the wire connections If loose repair or replace the terminal If the wires are disconnected refer to wiring diagram for identification and replace the wires Check the wire connections If not according to the wiring diagram correct the connections Rotary switch Check for continuity refer to the wiring diagram for terminal identification Replace the switch if the circuit is open Defrost control The Defrost Control senses frost build up on the evaporator coil and automatically shuts off the compressor The fan continues to run drawing air across the coil and melting the frost When the coil is defrosted the compressor automatically restarts and dehumidifying resumes Capacitor Discharge capacitor before servicing Check the capacitor Replace if not within 10 of manufacturer s rating Replace if shorted open or damaged Compressor Overload protector OLP Check the compressor for open circuit or ground If open or grounded replace the compressor Check the compressor OLP if externally mounted Replace if open If the compressor temperature is high remove OLP cool and retest 3 Does not defrost control Defrost control is defective C
25. old connection 5 The system is now ready for final charging 18 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 access valve which you installed as the system was opened 2 Connect the charging cylinder as shown in Figure 31B With valve C open discharge the hose at the manifold connection 3 Open valve A and allow the proper charge to enter the system Valve B is still closed 4 more charge is required the high side will not take it Close valve A 5 With the unit running open valve B and add the balance of the charge a Do not add the liquid refrigerant to the Low side Watch the Low side gauge allow pressure to rise to 30 108 c Turn off valve B and allow pressure to drop d Repeat steps B and C until the balance of the charge is in the system 6 When satisfied the unit is operating correctly use the pinch off tool with the unit still running and clamp on to the pinch off tube Using a tube cutter cut the pinch off tube about 2 inches from the pinch off tool Use sil fos solder and solder pinch off tube closed Turn off the unit allow it to set for a while and then test the leakage of the pinch off connection o Equipment needed Vacuum pump charging cylinder manifold gauge brazing equipment pinch off tool capable of making a vapor proof s
26. on is pressed again Auto Restart Once power is restored after a power outage the unit returns to its previous operation setting after a 2 minute delay The fan runs immediately when the power is restored Humidity Control This button controls the humidity in the room Press A button to raise the humidity setting e Press 57 button to lower the humidity setting The humidity setting can be set to a permanent On setting or to a specific humidity setting between 3596 and 7096 in 596 increments On setting Dehumidifier runs continuously regardless of humidity condition 3596 7096 setting Dehumidifier runs on and off according to surrounding humidity conditions 1 6 HOW TO OPERATE DEHUMIDIFIER 1 6 1 HOW DOES THE DEHUMIDIFIER WORK Motor Moist humid air is drawn over a cold refrigerated Condenser Fan dehumidifying coil Moisture in the air condenses on this Evaporator coil and drains into a bucket or through the bucket into a APA hose and drain Dry clean air is drawn over the condenser where it is actually heated several degrees and discharged out the rear grill into the room See Figure 4 t is normal for the surrounding air to become slightly warmer as the dehumidifier operates This warming effect further reduces the relative humidity Compressor of the surrounding air A Rear Grille Bucket e e Side View Figure 4 1 6 2 LOCAT
27. r the strict quality control procedures The refrigerant is charged at the factory Be sure to read the safety precaution prior to servicing the unit 1 1 SAFETY PRECAUTIONS 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 operation High efficiency Adjustable humidistat Automatic defrost Automatic shut off Bucket full indicator light Easy roll casters Removable amp large capacity bucket Washable air filter Two speed fan Drain hose connection Low temperature operation DH504EL LD50EL LD65EL 1 2 2 DIMENSIONS mm in 385 15 5132 _ 340 13 3 g UUUUUUUUU W nnnnnnnnn Figure 1 1 3 MODEL NAMES MODEL NAME CAPACITY Pints 24hrs 30 40 50 65 MECHANICAL TYPE DH305Y5 DH300MY5 DH400MY5 LD40Y5 21 DH300EY5 DH404Y5 DH504ELY5 LD65ELY5 PANEL ELECTRONIC TYPE DH400EY5 LD40EY5 LD50ELY5 1 4 SPECIFICATIONS MODELS ITEMS DH305Y5 DH300MY5 DH300EY5 DH400MY5 LD40Y5 DH404EY5 DH400EY5 LD40EY5 DH504ELY5 LDSOELY5 LD65ELY5 POWER SUPPLY Phase V Hz 10 115V 60Hz INPUT W 480 580 560 850 RUNNING CURRENT A 4 8 5 7 5 4 8 3 ENERGY FACTOR L kw h 1 23 1 36
28. ration component be sure to discharge the refrigerant system by using a refrigerant recovery system 2 After discharging the unit completely remove the desired component and unbraze the pinch off tubes 3 Solder service valves into the pinch off tube leaving the valves open 4 Solder the pinch off tubes with service valves 5 After doing the above procedures the valve must be closed and left in place on the system for any subsequent procedures 6 Evacuate as follows 1 Connect the vacuum pump as illustrated in Figure 31A 2 Start the vacuum pump slowly open manifold valves A and B two full turns counterclockwise and leave the valves open The vacuum pump is now pulling through valves A and B to valve C by means of the manifold and entire system m CAUTION 4 If high vacuum equipment is used just crack valves A and B for a few minutes then open slowly with the two full turns counterclockwise This will keep oil from foaming and being drawn into the vacuum pump 3 Operate the vacuum pump for 20 to 30 minutes until 600 microns of vacuum are obtained Close valves A and B and observe vacuum gauge for a few minutes A rise in pressure would indicate a possible leak or moisture remaining in the system With valves A and B closed stop the vacuum pump 4 Remove the hose from the vacuum pump and place it on the charging cylinder See Figure 31B Open valve C Discharge the line at the manif
29. tinuously cycle up to a temperature of 42 6 C 1 6 5 HUMIDITY CONTROLLER 1 6 5 1 Mechanical Type The humidity control can be set anywhere between Off and Max for normal operation If you need more dehumidification turn the Humidity Control toward Max If you need less dehumidification turn the Humidity Control toward Off The relative humidity range is from 20 to 80 See Figure 6 Turn the Humidity Control to Off to stop the unit manually 1 6 5 2 Electronic Type The humidity control can be or 3590 7090 RH Relative Humidity for normal operation See Figure 7 If you need drier air press the Humidity Control button If you need moister air press the A Humidity Control button Press the Power button to stop the unit manually 5 42 42 RH 40 4 50 6 35 3 60 2 70 1 80 Off DEAD DIAL Max Figure 6 HUMIDITY CONTROL HUMIDITY SETTING Figure 7 2 CIRCUIT DIAGRAM MODEL DH305Y5 DH300MY5 ROCKER SWITCH RD LOW oupswo MAIN PCB dio RD amp JORCOM pk HUMIDITY BK H CONTROL C BK HI Sw MOTOR PDILOW 8 OR COM BUCKET FULL BUCKET SW HUMIDITY LE POWER RY COMP TRANS 3 O Oooo FUSE 250V T3 15A CAPACITOR
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