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XII. METHOD TO REPAIRING REFRIGERATING UNIT

CONDITION I. NOT COLD

Compressor not run

CONDITION II. COLD LESS

CONDITION III. VERY COLD

Both terminal direct
joining

Compressor run

Compressor not run

Compressor run

Check with Ohm
Meter ( Tester )

Change Thermostat

OLP broken

Check with M.Tester

Change O L P

Starting PTC broken

Check with M.Tester

Change Starting PTC

Motor winding burn

Check with M.Tester

Change Compressor

Compressor noise but
not run

Power source broken
(Start Voltage not
enough )

Starting P.T.C. broken

Motor winding
disconnect

Starting Motor burn

Check Starting
P.T.C. Voltage under
load
Check with
M.Tester

Check with M.Tester

Repair Power Source

Change PTC Starting

Change Compressor

Cooling Unit brooken

Gas leakage

Be found gas residu

Repair gas leakage and
re-charge

Gas nothing

Spray with gas

Compressor run but
not compress

Short time

Operation fault

Thermostat broken

Change Thermostat

Compressor running

Long time

Out side Evaporator

Evaporator closed by
frost to more

Evaporator not close
by frost

Very Cold

Touch Defrost button

Cooling Unit broken

Repair at cooling unit
portion

Joint pipe leakage
and clogged

The door have more
gap

Open the door very
long time

Cold Less

Check Cooling Unit

Repair at cooling unit
portion

Adjust the door

Give the direction to
customer

Censor cappilary
Thermostat have
more gap

Thermostat broken

Thermostat not have
voltage

Assembly censor
cappilary Thermostat

Check with M.Tester

Setting end of Censor
at center hole

Change Thermostat

Repair Thermostat
wiring

Check with M.Tester

CHECK

CAUSE

SUSPECT

ANALYSIS

ACTION

-10-

Содержание NR-AF172SNAE

Страница 1: ...Corporation Manufactured by PT Panasonic Manufacturing Indonesia Jakarta Made in Indonesia 9 0 2 5 3 0 2 5 Order No PMIRF1303026C3 Refrigerator Manual Service 195 5 ml Freol Alpha 22 50 Hz 220 240 Volt 85 W 0 63 0 74 A Direct Cooling Roll Bond Evaporator Manual Defrost Start Manual Defrost Stop Dial Adjustment NR AF172SNAE NR AF172SNWG NR AF172SNAE NR AF172SNWG 80 5 gram HFC 134a 27 Kg 160 Liter F...

Страница 2: ...onent Function 6 VIII Repairing Devices Which are Exclusive Use for HFC 134a Refrigerant 7 IX Repairing Standard for Refrigerating Unit HFC 134a 7 X Tool for Repairing Refrigerating Unit HFC 134a 8 XI Refrigerating Unit Repairing Procedure 9 XII Method to Repairing Refrigerating Unit 10 18 XIII Safety Check 19 XIV Instruction to Assembly Parts 20 XV Part List 21 22 XVI Packing Instruction 23 2 ...

Страница 3: ...charging capacitor Check safety after repairing Check the screws parts lead wires to take in place And check the repairing portion whether circumferential parts are damaged or not Check insulation resistance between service cord and earth When install refrigerator check condition of service cord and plug Wipe off the dust on plug Cutting and seal the electric device carefully b Caution Watch the h...

Страница 4: ...ON III DIMENSION BOTTLE SHELF EGG SHELF CRISPER DOOR EVA LEG SHELL ICE TRAY BOX CONTROL COVER CRISPER TRIM EVA ADJUSTER BOLT UTILITY SHELF EGG TRAY 8 CHILLED CASE COVER LAMP TRAY PC NR AF172SNWG SHELF NET PC NR AF172SNAE 4 ...

Страница 5: ...ir where the Refrigerator should be at least 10 cm both side 12 cm and top 10 cm Make sure that the refrigerator is placed on a hard and level surface to prevent vibration and noise If one of the legs does not touch the floor adjust the adjustable leg Adjuster Bolt to stabilize it Caution Adjuster Bolt Minimum 10 cm Back side More than 12 cm More than 10 cm More than 12 cm 5 ...

Страница 6: ... 5 CAPILLARY TUBE 6 EVAPORATOR 7 SUCTION PIPE The function is to pass the low pressure gas to compressor The function is to prevent from sweating It is contain silica gel and soft filter The dryer collect moisture and dust in the refrigerant cycle so that capillary tube will not clogged up The function is to reduce the pressure of liquid refrigerant so that make the temperature of refrigerant low ...

Страница 7: ...PA DRYER COMPRESSOR This refrigerator use Compressor with Ester Oil Ester Oil employed as new compressor oil for refrigerant HFC 134a Ester Oil is characteristic of higher hygroscopicity When moisture leaks into the refrigerating unit it will chemically react with the moisture and solid substance clogging the pipe will form It is also characteristic of less stability when chlorine is contain Ester...

Страница 8: ...ts the oil from flowing into the refrigerating unit Before running the vacuum pump connect the charge pipe yellow with the fitting for HFC 1354a use and then turn the switch to HFC 134a use Conventional repairing devices for CFC 12 can not connect with repairing devices for HFC 134A Because the shape of fitting for HFC 134A M10 x P1 5 mm is different from conventional ones Coupler Plug High Pressu...

Страница 9: ...rant Leakage test Test Run Pinch off seal of charge pipes Finish Refer to the TROUBLESHOOTING For purging the pipe use HFC 134a as liquid state Never use HCFC 141b HCFC 22 for purging Do not keep the pipes open to air more than 30 minutes These process in total should be finished within 30 minutes Rubber caps should be removed just before compressor is used Never leave the compressor without the c...

Страница 10: ...Change Compressor Cooling Unit brooken Gas leakage Be found gas residu Repair gas leakage and re charge Gas nothing Spray with gas Compressor run but not compress Short time Operation fault Thermostat broken Change Thermostat Compressor running Long time Out side Evaporator Evaporator closed by frost to more Evaporator not close by frost Very Cold Touch Defrost button Cooling Unit broken Repair at...

Страница 11: ...ng Little Frosting or just on Inlet tube eva only Gas leakage Cut capillary tube at outlet of dryer Check the smell Check compressor oil Can not repair Bad smell Occasionally frosting Frosting too much Yes Compressor broken Check Compressor Oil Pipe Cleaning Replace Compressor Clog caused by solid substance Clog caused by solid substance Make compressor stop and check if gas come out by cutting ca...

Страница 12: ...sure from compressor running If Compressor stop start compressor again about 5 minutes until stabile pressure then check pressure Before measuring make sure the Pressure Gauge at 0 position If not at 0 position adjust the Screw at Pressure Gauge Keep the gap from Pierching Plier about 4mm by adjust Screw at Pierching Plier Before release Pressure Gauge catch poit 1 dan 2 with Pierching Plier After...

Страница 13: ...ction pipe from the compressor with brazing Disconnect the discharge pipe from the compressor with brazing Remove the Compressor Tilt the compressor slowly and let a little oil approx 10 ml flow out from the charge pipe In case of clog caused by solid substance when compressor oil has no discoloration light yellow the compressor is installed as it was So don t collect the oil more than approx 10 m...

Страница 14: ...d pinch off the end of cappilary tube when the refrigerant start discharging Cut the end of capillary tube with capillary tube cutter and place a container at outlet When pipe cleaning at low pressure side is finished disconnect the process tube fitting from the suction pipe Connect the process tube fitting with the inlet pipe of dryer by wrenches Do not purge the pipe at high pressure side from c...

Страница 15: ...ting unit again Note Joint the gascharge pipe with brazing Remove rubber caps of compressor just before compressor is installed Shape and length of pipe must be suitable with Discharge pipe If there is no sound of discharging gas never use the compressor Joint the suction pipe and compressor with brazing Insert the capillary tube 15mm into the dryer Bend the capillary tube at an obtuse angle of ab...

Страница 16: ...mp for 30 minutes before connecting This is to resume the vacuum by evaporating the cleaning liquid which is blent in the pump oil Connect repair tools such as control valve manifold gauge charge hose coupler socket charge cylinder as shown in the figure Connect the adaptor with vacuum pump properly and turn the switch to HFC 134a use Run the vacuum pump and open each valve 3 portions of manifold ...

Страница 17: ...when charging refrigerant is finished When to disconnect the charge hose plce HFC 134a cylinder at proper position and loosen the charge adaptor to let liquid escape When refrigerant discharge completely close the valve of HFC 134a cylinder Open the Valve at the lower part of charge cylinder When charging HFC 134a to inside Cylinder Charge the Valve at top Cylinder Charge must be small open to let...

Страница 18: ...Do not make the compressor run when to do leakage test While compressor is running since the inside piping at low pressure side is vacuum the state gas leakage can not be found out What s worse the soup water may leak into the refrigerating unit and it may cause a malfunction After running the compressor for 3 minutes confirm that there is a sound of refrigerant flowing and piping at high pressure...

Страница 19: ...Connect the high voltage cord s pin to the cabinet and switch on puncture test Connect the Service Cord pin positive and negative except grounding Connect the grounding pin and insulation tester to service cord of Refrigerator Connect positif pin Insulation tester to body of Refrigerating Unit Connect the Service Cord pin positive and negative except grounding Place the refrigerator on the wooden ...

Страница 20: ...D SAFETY PART 26 59 10 11 12 16 20 17 33 32 31 25 21 23 14a 13a 13 15 1 2 3 8 7 9 34 4 5 46 47 48 37 36a 50 49 55 52 56 57 58 29 51 6 27 38 40 22 53 36 PS 39 41 42 43 44 45 45a PS PS PS PS 14 PS PS PS PS PS PS 35 28 24 30 54 60 53a 18 19 19a 20 ...

Страница 21: ...311110 1 AH 311120 1 28 AD 325990 1 1 29 38 1142101 A 34 34 For Fix Inner Door 30 AD 325985 INNER DOOR 1 1 31 AE 138592 1 1 32 38 1755102 A 2 2 33 AE 141960 AE 141961 1 1 34 91 065010 1 1 XV PART LIST TRUSS 4 TS 10 AT MC DIAL THERMO THERMOSTAT NO REMARK BOX CONTROL SCREEN TRUSS 4 TS 14 SUS NR AF172SNWG NR AF172SNAE TRUSS 4 TS 14 AT MC EVA DOOR TRUSS 4 TS 14 AT MC PART NUMBER CURRENT CURRENT PART N...

Страница 22: ...PC OMIT 2 53a AH 255074 AH 324420 TRAY PC TEMPERED GLASS TRAY 2 2 54 AH 255093 AH 324420 COVER CRISPER TEMPERED GLASS TRAY 1 1 55 BH 139060 AH 328530 CRISPER AS CRISPER INJ 1 1 56 AD 326014 1 1 57 AD 326002 1 1 58 AD 335401 1 1 59 AD 329972 2 2 60 AH 324670 2 2 REVISION REVISION PROTECTOR COVER CLAMP B CLAMP A GROMMET COMPRESSOR COMPRESSOR GROUNDING 5 DRYER W XV PART LIST PART NUMBER PART NAME SER...

Страница 23: ...op Cushion R L AK 160660 Strapping Band SB15X07YL 326 130 080 AJ 108740 Instruction Book AK 167882 AK 167881 AK 167880 Refrigerator Cover AJ 144630 AJ 165830 Front Layer Carton AK 153190 Carton Box NR AF172SNAE Carton Box NR AF172SNWG AK 167970 23 ...

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