Frigidaire FDD40J Service Manual Download Page 24 | Manualshive

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Summary of Contents for FDD40J

Page 1: ...SERVICE MANUAL DEHUMIDIFIER MODELS 1 Speed 2 Speeds FDH25J FDD40J FDH30J FDD50J FDD60J P N 5995334660 May 2000 ...

Page 2: ... 8 To Remove Float 8 To Remove Bucket Switch 8 To Test Bucket Switch 9 Defrost Thermostat 9 To Remove Defrost Thermostat 9 To Test Defrost Thermostat 9 Motor Motor Bracket Blower Wheel 9 To Remove Blower Assembly 9 10 To Test Motor 10 To Remove Casters 10 Compressor 11 Permanent Split Capacitor PSC Compressor 11 Split Phase Compressor 11 To Test Compressor Motor 11 Possible Causes of Compressor Ov...

Page 3: ...igerant To Flush The System 15 Installing a New Compressor 15 16 To Remove Evaporator or Capillary Tube 16 To Remove Condenser 16 Filter Dryer 16 Evacuating Recharging 16 Equipment Needed 16 Installing Evacuation Recharging Equipment 17 Evacuating System 17 Charging The System 17 Final Leak Test 17 WIRING DIAGRAMS DATA SHEETS Electrical Wiring Diagrams Single Speed Fan Models with Reciprocating Co...

Page 4: ...ly Turn off the water supply 3 Never interfere with the proper operation of any safety device 4 USE ONLY REPLACEMENT PARTS CATALOGED FOR THIS APPLIANCE SUBSTITUTIONS MAY DEFEAT COMPLIANCE WITH SAFETY STANDARDS SET FOR HOME APPLIANCES 5 GROUNDING The standard color coding for safety ground wires is GREEN or GREEN with YELLOW STRIPES Ground leads are not to be used as current carrying conductors It ...

Page 5: ...s temperature Since this air contains less moisture and is warmer its relative humidity is lower This drier air is expelled through the side grille and mixes with the room air Place the Dehumidifier on a level surface with all four casters resting firmly on a solid floor Since the dehumidifier draws in air through the front grille and exhausts out the left side louvers the unit may be positioned a...

Page 6: ... o s s e r p m o c e h t n i h t i w e r u s s e r p n o i t c u s n w a r d s i r o t a r o p a v e e h t m o r f r o p a v t n a r e g i r f e R e r o f e b s g n i d n i w r o t o m e h t l o o c o t l l e h s e h t o t n i s i r o p a v e r u s s e r p h g i H d e s s e r p m o c g n i e b r e s n e d n o c e h t o t n i y l t c e r i d d e g r a h c s i d t n a r e g i r f e r e r u s s e r p...

Page 7: ... these screws 3 Remove two screws in upper holes in rear of cabinet flange See Figure 6d 4 Pull grille toward you so the two pins on each side of grille will pull free of holes in cabinet See Figure 6c and 6d 5 Pull grille down to release from top cover 6 Reverse procedure to reassemble To Remove Top Cover 1 Disconnect dehumidifier from electrical supply 2 Remove front grille 3 Remove two screws o...

Page 8: ...supply NOTE See Figure 7b for location of electrical wires 2 Disconnect one red and two white wires connected to Bucket Full Light One of the white wires is pigtailed to the red wire on one of the terminals 3 Disconnect two black wires connected to Humidistat Figure 7a2 To Remove Humidistat 1 Disconnect dehumidifier from electrical supply 2 Remove control knob from front of control assembly 3 Disc...

Page 9: ... Reverse procedure to reassemble Figure 8e To Remove Fan Speed Switch 2 speed models only The Fan Speed Switch is very difficult to remove without destroying it Do not attempt to remove the switch unless it is faulty Then it really doesn t matter if the switch is damaged during removal However do be careful not to damage the control assembly during removal The new switch will fit into place nicely...

Page 10: ...e thermo stat free from evaporator coil See Figure 9b 7 Reverse procedure to reassemble Figure 9b To Test Defrost Thermostat 1 Using Multimeter on resistance scale read resistance of thermostat between the two leads At room temperature above 60 F resistance should be zero 0 indicating the thermostat is closed 2 To see if thermostat opens when temperature drops to 37 F bury thermostat in bucket of ...

Page 11: ...s 10c and 10d 7 Pull blower wheel off of motor shaft and free from blower assembly 8 Lift off styrofoam scroll chassis 9 To remove motor from motor bracket remove two hex head nuts holding motor to bracket 10 Reverse procedure to reassemble Figure 10d Figure 10c NOTE When reassembling blower wheel to motor shaft make sure blower wheel is pressed onto shaft as far as it will go To Test Motor 1 Usin...

Page 12: ...D HOUSING WHEN THE COMPRESSOR IS ENERGIZED IF THIS HAPPENS A MIXTURE OF REFRIGERANT AND OIL WILL BE RELEASED THAT CAN BE IGNITED BY AN EXTERNAL HEAT SOURCE OPEN FLAME HEATER ETC ALSO IF THERE IS AIR IN THE SYSTEM WHEN THIS HAPPENS A SPARK AT THE COMPRESSOR SHELL COULD IGNITE THE REFRIGERANT AND OIL MIXTURE NOTE If compressor has a permanent split capacitor PSC motor running capacitor should be tes...

Page 13: ...rted grounded or has a high resistance leak Compressor Overload Protector An overload protector is attached to the compressor to detect excessive heat or a current overload If the overload is actuated it will shut off the current to the compressor and automatically reset itself after a short cool down period The compressor will attempt to start after the cool down period The overload is located un...

Page 14: ... expel a terminal from its insulated housing when the compressor is energized If this happens a mixture of refrigerant and oil will be released that could be ignited by an external heat source open flame heater etc Also if there is air in the system when this happens a sparkatthecompressorshellcouldignitetherefrigerant and oil mixture Charging Sealed Systems Overchargingarefrigerationsystemwithref...

Page 15: ...t use wetclothstopreventheatfromconductingto areas other than soldered joint Use a sheet of metal as a heat deflector to keep flame away from flammable materials and painted surfaces 5 Use torch of adequate capacity so joint can be quickly heated with minimum of heat travel to other points Use good grade of silver solder 6 Solder connections If tubing is properly cleaned and fluxed solder will flo...

Page 16: ...acent parts when using a torch on soldered joints If necessary use a metal heat shield or wrap a wet cloth around the tubing to reduce heat transfer To Use Refrigerant To Flush The System CAUTION Refrigerant used for flushing must be captured in a recovery bag Meter amount of refrigerant used for flushing with your charging cylinder DO NOT OVERFILL THE BAG 1 Removesuctionanddischargelinesoncompres...

Page 17: ...ended proceduredescribedunderEvacuatingand Recharging on pages 15 to 16 13 Reconnect compressor terminal leads 14 Reassemble unit NOTE OnmodelsequippedwithRotaryCompres sors the process tube is on the high side of the system Ifyouneedaccesstothelowpressureside of the system it is necessary to install a T in the suction line and add a process tube to it 4 Toreplacecapillarytube unsweattubefromevapo...

Page 18: ...pound gauge Run compressor for few minutes and leak test high side Whenleakisfound recapture refrigerantusing EPA approved recovery system repair and go back to step 1 Installing Evacuation and Recharging Equipment 1 Disconnect dehumidifier from electrical supply 2 Installprocesstubeadaptoronprocesstubeleaving as much tube as possible 3 Attach refrigeration service gauge manifold to system in foll...

Page 19: ...18 WIRING DIAGRAMS DATA SHEETS ELECTRICAL WIRING DIAGRAM Single Speed Fan Models With Reciprocating Compressors ...

Page 20: ...19 ELECTRICAL WIRING DIAGRAM 2 Speed Fan Models With Reciprocating Compressors ...

Page 21: ...20 ELECTRICAL WIRING DIAGRAM 2 Speed Fan Models With Rotary Compressor ...

Page 22: ... m o c e m a s e h t n o d e t n u o m s i l i o C r e s n e d n o c w o r e l g n i s r e s n e d n o C N P 2 2 0 2 E C H D 0 1 8 0 5 6 7 2 3 f o t r a P h t g n e L 8 3 0 1 D O 6 1 5 L T A M w o R 1 B T 4 1 h t o o m S 4 l l a W l t u O l n I 6 1 0 d e v o o r G 0 1 e p y T L l W n i M 8 1 1 0 C h c n I s n i F 5 1 l t a M m u l A 2 4 0 0 o T t e l n I y l f r e t t u B e n i l n o D I 5 5 2 3 5...

Page 23: ... i e H s n i F 8 8 o T t e l n I y l f r e t t u B e n i l n o D I 4 9 1 1 9 1 r e s n e d n o C N P 3 2 0 2 C H D B A L 1 0 0 1 6 3 7 2 3 f o t r a P h t g n e L 8 3 0 1 D O 6 1 5 L T A M w o R 2 B T 8 2 h t o o m S 4 l l a W l t u O l n I 6 1 0 d e v o o r G 4 2 e p y T L l W n i M 8 1 1 0 C h c n I s n i F 5 1 l t a M m u l A 2 4 0 0 o T t e l t u O y l f r e t t u B e n i l n o D I 6 0 1 2 0 1...

Page 24: ... i e H s n i F 0 1 1 t o T t e l n I y l f r e t t u B e n i l n o D I 4 9 1 1 9 1 r e s n e d n o C N P 3 2 0 2 C H D B A L 1 0 0 1 6 3 7 2 3 f o t r a P h t g n e L 8 3 0 1 D O 6 1 5 L T A M w o R 2 B T 8 2 h t o o m S 4 l l a W l t u O l n I 6 1 0 d e v o o r G 4 2 e p y T L l W n i M 8 1 1 0 C h c n I s n i F 5 1 l t a M m u l A 2 4 0 0 o T t e l t u O y l f r e t t u B e n i l n o D I 1 1 1 8...

Page 25: ...H s n i F 0 1 1 t o T t e l n I y l f r e t t u B e n i l n o D I 4 9 1 1 9 1 r e s n e d n o C N P 4 2 0 2 C H D B A L 1 0 2 3 6 3 7 2 3 f o t r a P h t g n e L 8 3 0 1 D O 6 1 5 L T A M w o R 3 B T 2 4 h t o o m S 4 l l a W l t u O l n I 6 1 0 d e v o o r G 8 3 e p y T L l W n i M 8 1 1 0 C h c n I s n i F 5 1 l t a M m u l A 2 4 0 0 o T t e l t u O y l f r e t t u B e n i l n o D I 1 1 1 8 0 1 ...

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