Dehumidifier S ervice and Parts P Manual
Contents
1. 2 RY COMP POWER 4 3 TRANS 6 0 0 THERMISTOR FUSE 250V 5 9990990 WIRING DIAGRAM Ng 1 POWER CORD ASSEMBLY 1 5 2 MOTOR ASSEMBLY 1 5 3 CAPACITOR 1 5 4 COMPRESSOR SET 1 5 5 OLP 1 5 6 PWB PCB ASSEMBLY DISPLAY 1 5 7 SENSOR ASSEMBLY 1 5 8 SWITCH ASSEMBLY MICRO 1 5 9 PWB PCB ASSEMBLY MAIN 1 5 5 SERVICE PARTS A ALTERNATE PARTS N NOT SERVICE PARTS 5 MODEL D40C D50C D65C MAIN PCB BK HI 8000 GN YL J ORICON WH BL N 00000000000000 DISPLAY P C B Ww 2 BUCKET SMW HUMIDITY 9 SENSOR CAPACITOR 0 RY COMP POWER 4 3 TRANS THERMISTOR FUSE 250V T3 15A 000000 WIRING DIAGRAM 3854A20247H NO DESCRIPTION QTY RE PER SET MARKS 1 POWER CORD ASSEMBLY 1 S 2 MOTOR ASSEMBLY 1 S 3 CAPACITOR 1 S 4 COMPRESSORT SET 1 S 5 OLP 1 S 6 PWB PCB ASSEMBLY DISPLAY 1 S 7 SENSOR ASSEMBLY 1 S 8 SWITCH ASSEMBLY MICRO 1 S 9 PWB PCB OASSEMBLY MAIN 1 S S SERVICE PART2. 5 4 8 3 ENERGY FACTOR L kw h 1 23 1 36 1 75 1 50 REFRIGERANT R22 REFRIGERANT CHARGE 3 53 100 4 94 140 7 93 225 8 46 240 OPEN 33 8 F 1 0 5 C THERMISTOR CLOSE 50 10 0 5 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 91W 1 8A Shaded pole motor 72W 1 4A Thermal cutoff 266 F 130 C Thermal cutoff 266 F 130 C SWITCH ASSEMBLY MICRO 15A 250VAC OUTSIDED MENSIONS 385X540X340 15 5 32 x 21 1 4 x 13 3 8 WxHxD mm in 9 4 NET WEIGHT kg Ibs 17 6 38 9 17 6 38 9 20 4 44 9 22 2 48 9 x NOTE Specifications are subject to minor change without notice for further improvement 1 4 CONTROL TYPE Bucket Full Indicator e This light glows when the water bucket is full and needs 2 A 5 to be emptied wen Operation starts when this button is pressed and stops when the button is pressed again _ Figure 2 m Auto Restart power is restored after a power outage the unit Fan Speed returns to its previous operation setting after a 2 minute e This controls the speed of the airflow delay High Fan speed is set to high
3. rriedrich Dehumidifier Service and Parts Manual 115Volts D30C D40C 05060 6 CONTENTS 1 PREFACE 121 SAFETY PRECAUTIONS en en aan a a a ook bide 3 1 2 FEATURES AND DIMENSIONS 3 1 21 te ai ra 3 1 2 2 DIMENSIONS bec snd eng age Met let eg 3 1 9 SPECIFICATIONS iii out anwe vie Na ER le tae aba es eats kite adn ead 4 1A CONTROL 4 2 CIRCUIT 5 6 3 DISASSEMBLY INSTRUCTIONS 3 1 MECHANICAL PART a ko pa tn de ithe ii see 7 31 1 22 chan aden E A we bias 7 3 1 2 FRONT CASE AND REAR anne 7 3 1 3 GABINE T 0 BOX nee en ei dei a eee dag 7 GONTROMPART Se a hei ee nk eel Ne deat eee 8 3 2 1 POWER CORD 8 3 22 SENSORA S EMB ba bwd 24 04 2 a aa aa engen 8 3 2 3 PWB PCB ASSEMBLY MAIN arena een 8 32 4 GAPACITO Rak crude 8 32 5 MIERO SWITCH ASSEMBLY tiene Ao le ation lan 8 3 2 6 CONTROL PANEL u a ee ete an ah al cee eis 9 3 2 7 FAN AND 9 3 2 ANC iedes ielacatadencssaddas 10 3 3 REERIGERATING SYSTEM2 4 2 en ee en an nee 11 3 3 1 C
4. 3 Remove the thermistor from the holder See Figure 10 4 Disconnect the switch wires from the micro switch assembly See Figure 10 3 2 3 PWB PCB ASSEMBLY MAIN 1 Disconnect all wires of the 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 See Figure 11 3 2 4 CAPACITOR 1 Remove the screw that fastens the capacitor See Figure 11 2 Disconnect all wires 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 12 8 Figure 9 Figure 10 Figure 11 Figure 12 3 2 6 CONTROL PANEL 1 Disconnect the housing of the PWB PCB ASSEMBLY DISPLAY from PWB PCB ASSEMBLY MAIN 2 Remove 6 screws that fasten the PWB PCB ASSEMBLY DISPLAY to the display cover See Figure 13 Figure 13 3 2 7 FAN AND MOTOR 1 Turn the nut left and pull out the fan by hands carefully 2 Remove 2 screws that fasten H E 3 Lift the H E and turn the H E around 45 degree clockwise carefully See Figure 14 4 Unfasten 3 screws that secure the Motor and ground wire See Figure 15 5 Remove the Motor Figure 14 IS sr Si S4 Figure
5. 00077 752140 HOSE CONNECTOR 67500125 550140 BUSHING 67400109 149980 SHROUD 67500087 435300 REAR GRILLE 67307206 23 Use Factory Certified Parts AB E a rriedrich FRIEDRICH AIR CONDITIONING CO Visit our web site at www friedrich com Post Office Box 1540 4200 N Pan Am Expressway San Antonio Texas 78295 1540 210 357 4400 FAX 210 357 4480 Printed in the U S A DehumSvcParts 06 05
6. 15 9 3 2 8 SHROUD AND DRAIN 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 to the compressor 3 Remove 2 screws that fasten the heat exchanger 4 Unfasten 2 screws that secure the shroud on the sides then lift shroud from the drain pan See Figure 17 5 Unfasten 2 screws that secure the drain pan to base pan 6 Lift drain pan from the base pan See Figure 17 Figure 17 10 3 3 REFRIGERATION SYSTEM 3 3 1 CONDENSER EVAPORATOR AND W O N CAPILLARY TUBE Remove the insulation on the condenser evaporator H E assembly Pierce the pinch off tube to discharge the refrigerant using a refrigerant recovery system After discharging the refrigerant completely remove 2 screws between the shroud and the H E See Figure 18 Lift the H E and turn the H E around 45 degree counterclockwise carefully Unbraze each of interconnecting tubes of the evaporator and condenser carefully Remove the H E assembly from the shroud See Figure 19 Unbraze the capillary tube at the connections of the condenser and evaporator See Figure 20 Remove 4 screws between the condenser and evaporator See Figure 20 3 3 2 COMPRESSOR 1 2 Discharge the refrigerant by using a refrigerant Reco
7. 4 359012 FAN TURBO 67400133 567502 OLP 67301417 349600 MOUNT MOTOR 67400112 436500 HANDLE 67500078 144410 CASTER ASSEMBLY ROLLER 67500061 238310 ESCUTCHEON 67500080 235512 COVER ASSEMBLY DISPLAY 67500077 752140 HOSE CONNECTOR 67500125 550140 BUSHING 67400109 149980 SHROUD 67500087 435300 REAR GRILLE 67307206 22 MODEL D65C LOCATION en NG DESCRIPTION 130411 BASE ASSEMBLY 67500072 130900 CABINET 67400185 135312 FRONT GRILLE ASSEMBLY 67306010 330870 DRAIN PAN ASSEMBLY 67500126 148390 TANK ASSEMBLY BUCKET 67500083 152302 FILTER MECH AIR 67500098 162615 SENSOR ASEMBLY 67500099 WOCZZ CAPACITOR 67400184 249950 CONTROL BOX ASSEMBLY 67500086 264110 POWER CORD ASSEMBLY 67500024 266011 SWITCH ASSEMBLY MICRO 67400136 268712 PWB PCB ASSEMBLY DISPLAY 67500092 268714 PWB PCB ASSEMBLY MAIN 67307604 346811 MOTOR ASSEMBLY 67500129 35211A TUBE ASSEMBLY SUCTION 67400209 352113 TUBE ASSEMBLY DISCHARGE 67400214 552111 TUBE ASSEMBLY CAPILLARY 67302127 354210 EVAPORATOR ASSEMBLY 67400217 554030 CONDENSOR ASSEMBLY 67400187 554160 COMPRESSOR SET 67500070 359012 FAN TURBO 67400133 567502 OLP 67500055 349600 MOUNT MOTOR 67400112 436500 HANDLE 67500078 144410 CASTER ASSEMBLY ROLLER 67500061 238310 ESCUTCHEON 67500080 235512 COVER ASSEMBLY DISPLAY 675
8. 500024 266011 SWITCH ASSEMBLY MICRO 67400136 268712 PWB PCB ASSEMBLY DISPLAY 67500092 268714 PWB PCB ASSEMBLY MAIN 67307604 346811 MOTOR ASSEMBLY 67500128 35211A TUBE ASSEMBLY SUCTION 67400210 352113 TUBE ASSEMBLY DISCHARGE 67400212 552111 TUBE ASSEMBLY CAPILLARY 67302126 354210 EVAPORATOR ASSEMBLY 67400193 554030 CONDENSOR ASSEMBLY 67400128 554160 COMPRESSOR SET 67500123 359012 FAN TURBO 67400133 567502 OLP 67301418 349600 MOUNT MOTOR 67400112 WOCZZ CAPACITOR 67400184 436500 HANDLE 67500078 144410 CASTER ASSEMBLY ROLLER 67500061 238310 ESCUTCHEON 67500080 235512 COVER ASSEMBLY DISPLAY 67500077 752140 HOSE CONNECTOR 67500125 550140 BUSHING 67400109 149980 SHROUD 67500087 435300 REAR GRILLE 67307206 20 MODEL D40C LOCATION DESCRIPTION babe 130411 BASE ASSEMBLY 67500071 130900 CABINET 67400185 135312 FRONT GRILLE ASSEMBLY 67306010 330870 DRAIN PAN ASSEMBLY 67500126 148390 TANK ASSEMBLY BUCKET 67500083 152302 FILTER MECH AIR 67500098 162615 SENSOR ASEMBLY 67500093 WOCZZ CAPACITOR 67400182 249950 CONTROL BOX ASSEMBLY 67500084 264110 POWER CORD ASSEMBLY 67500024 266011 SWITCH ASSEMBLY MICRO 67400136 268712 PWB PCB ASSEMBLY DISPLAY 67500092 268714 PWB PCB ASSEMBLY MAIN 67307604 346811 MOTOR ASSEMBLY 67500081 35211A TUBE ASSEMB
9. LY SUCTION 67400211 352113 TUBE ASSEMBLY DISCHARGE 67500091 552111 TUBE ASSEMBLY CAPILLARY 67500094 354210 EVAPORATOR ASSEMBLY 67400188 554030 CONDENSOR ASSEMBLY 67400186 554160 COMPRESSOR SET 67500068 359012 FAN TURBO 67400133 567502 OLP 67301414 349600 MOUNT MOTOR 67400112 436500 HANDLE 67500078 144410 CASTER ASSEMBLY ROLLER 67500061 238310 ESCUTCHEON 67500080 235512 COVER ASSEMBLY DISPLAY 67500077 752140 HOSE CONNECTOR 67500125 550140 BUSHING 67400109 149980 SHROUD 67500087 435300 REAR GRILLE 67307206 21 MODEL D50C LOCATION DESCRIPTION 06 130411 BASE ASSEMBLY 67500072 130900 CABINET 67400185 135312 FRONT GRILLE ASSEMBLY 67306010 330870 DRAIN PAN ASSEMBLY 67500126 148390 TANK ASSEMBLY BUCKET 67500083 152302 FILTER MECH AIR 67500098 162615 SENSOR ASEMBLY 67500099 WOCZZ CAPACITOR 67400184 249950 CONTROL BOX ASSEMBLY 67500127 264110 POWER CORD ASSEMBLY 67500024 266011 SWITCH ASSEMBLY MICRO 67400136 268712 PWB PCB ASSEMBLY DISPLAY 67500092 268714 PWB PCB ASSEMBLY MAIN 67307604 346811 MOTOR ASSEMBLY 67500081 35211A TUBE ASSEMBLY SUCTION 67500208 352113 TUBE ASSEMBLY DISCHARGE 67400213 552111 TUBE ASSEMBLY CAPILLARY 67400215 354210 EVAPORATOR ASSEMBLY 67400216 554030 CONDENSOR ASSEMBLY 67400127 554160 COMPRESSOR SET 6750012
10. ONDENSER EVAPORATOR AND CAPILLARY TUBE 11 3 3 2 GOMPRESSOR Er oe dat 11 3 4 HOW REPLACE REFRIGERATION SYSTEM 14424 12 4 TROUBLESHOOTING 14 5 EXPLODED 16 6 REPLACEMENT PARTS 20 2 1 PREFACE This Service Manual provides various service information including the mechanical and electrical parts This dehumidifier was manufactured and assembled under 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 e Bucket full indicator light Easy roll casters Removable 8 large capacity bucket Washable air filter Two speed fan Drain hose connection 1 2 2 DIMENSIONS 385 15 5 32 gt 340 13 3 8 dead UUUUUUUUU Figure 1 1 3 SPECIFICATIONS MODELS ITEMS CAPACITY Pints 24hrs 30 40 50 65 POWER SUPPLY Phase V Hz 16 115V 60Hz INPUT W 480 580 560 850 RUNNING CURRENT A 4 8 5 7
11. S A ALTERNATE PARTS N NOT SERVICE PARTS 6 3 DISASSEMBLY INSTRUCTIONS 3 1 MECHANICAL PARTS 3 1 1 BUCKET AND AIR FILTER 1 Press the power button off 2 Disconnect the power supply 3 Remove the bucket See Figure 3 4 Pull out the air filter See Figure 4 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 5 3 Remove 6 screws that secure the rear grille 4 Remove the rear grille See Figure 6 3 1 3 CABINET AND CONTROL BOX _ Remove the Bucket the air filter and front grille according to the procedure above Remove 1 screw that fasten control box See Figure 7 Remove 8 screws on all sides of the cabinet Lift the cabinet from the base See Figure 7 Remove a screw fasten the ground wire on the inside of control box Remove 1 screw that fasten control box and unhook control box from hook on the shroud See Figure 8 Figure 7 Figure 8 7 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 9 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 Pull out the humidity sensor from H E
12. The fan runs immediately when the power is restored Low Fan speed is set to low When Fan Speed button is pressed the fan speed mode is changed Humidity Control This button controls the humidity in the room e Press A button to raise the humidity setting e Press button to lower the humidity setting The humidity setting can be set to a permanent setting or to a specific humidity setting between 35 and 70 in 5 increments On setting Dehumidifier runs continuously regardless of humidity condition 35 70 setting Dehumidifier runs on and off according to surrounding humidity conditions 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 4 2 CIRCUIT DIAGRAM MODEL D30C MAIN PCB BK HI MOTOR BELOW GN YL J ORICON WH BL N DISPLAY P C B HUMIDITY SENSOR CAPACITOR
13. alves 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 Open valve C Discharge the line at the manifold connection 5 The system is now ready for final charging 12 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 access valve which you installed as the system was opened 2 Connect the charging cylinder as shown in Figure 22B 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 If 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 Ibs c Turn off valve B and allow pressure to dro
14. difier 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 in Off position Turn the humidity control switch toward Max 35degrees R H Wire disconnected or loose Connect wire Refer to wiring diagram for terminal identification Repair or replace loose terminal Capacitor Discharge capacitor before testing Test capacitor Replace if not within 10 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 Defrost control 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 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 capac
15. he OLP cool and retest 5 EXPLODED VIEWS MODEL D30C MODEL D40C MODEL D50C 18 MODEL D65C ou 7 6 REPLACEMENT PARTS LIST MODEL D30C LOCATION ee M DESCRIPTION Bie 130411 BASE ASSEMBLY 67500072 130900 CABINET 67400185 135312 FRONT GRILLE ASSEMBLY 67306010 330870 DRAIN PAN ASSEMBLY 67500126 148390 TANK ASSEMBLY BUCKET 67500083 152302 FILTER MECH AIR 67500098 162615 SENSOR ASEMBLY 67500099 249950 CONTROL BOX ASSEMBLY 67500127 264110 POWER CORD ASSEMBLY 67
16. 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 OLP High or low line voltage 115V 10 Check line voltage It must be between 103 5V and 126 5V volts If intermittent provide new supply Poor air circulation Move dehumidifier for free and unobstructed air flow Heat Exchanger clogged with dust or dirt Clean dust or dirt on the Heat Exchanger Motor Short circuit or ground in electrical circuit If not running determine the cause Replace if required Check electrical circuit Repair Unit pressures not equalized Allow 2 or 3 minutes for pressure to equalize before starting compressor Capacitor Test the capacitor Wiring Check the terminals If loose repair or replace Refrigeration system Stuck compressor Check the system for a restriction Check compressor replace compressor Overload protector OLP 15 Check OLP if externally mounted Replace if open If the compressor temperature is high remove t
17. itor before servicing Check the capacitor Replace if not within 10 of manufacturer s rating Replace if shorted open or damaged Compressor Check the compressor for open circuit or ground If open or grounded replace the compressor Overload protector OLP 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 Check 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 Clean it Motor is not operating 14 Check Motor repair or replace it CONDITION REMEDY 5 Noisy operation 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
18. p 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 7 Remove the service valves 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 TUBE 2 SEE INSETS BELOW CAPILLARY EXTERNAL VACUUM PUMP CHARGING CYLINDER Figure 22A Pulling Vacuum Figure 22B Charging 13 4 TROUBLESHOOTING GUIDE CONDITION REMEDY 1 Dehumi
19. very System 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 21 Remove the compressor from the base pan See Figure 21 Figure 20 Figure 21 3 4 HOW TO REPLACE THE REFRIGERATION SYSTEM 1 When replacing a refrigeration 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 ports 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 22A 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 TD If high vacuum equipment is used just crack v
Download Pdf Manuals
Related Search