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                                                        SERVICE MANUAL

REFRIGERATION

© ELECTROLUX ZANUSSI S.p.A.               Publication No.
   VIA GIARDINI CATTANEO, 3                      

599 34 74-40

I - 33170 PORDENONE (ITALY)                           010601
Fax (0434) 394096                                         ITZ/SERVICE/AA

R600a

NOFROST

REFRIGERATORS

Summary of Contents for NOFROST Series

Page 1: ...SERVICE MANUAL REFRIGERATION ELECTROLUX ZANUSSI S p A Publication No VIA GIARDINI CATTANEO 3 599 34 74 40 I 33170 PORDENONE ITALY 010601 Fax 0434 394096 ITZ SERVICE AA R600a NOFROST REFRIGERATORS ...

Page 2: ...R600a NOFROST REFRIGERATORS 2 22 ...

Page 3: ... OPERATION 10 5 1 NORMAL 10 5 2 DEFROSTING 11 6 COMPONENTS 12 6 1 CONTROL PANEL 12 6 2 REFRIGERATOR COMPARTMENT 12 6 3 FREEZER COMPARTMENT 13 6 4 COMPRESSOR COMPARTMENT 14 7 ACCESSIBILITY 16 7 1 CONTROL PANEL ACCESSIBILITY 16 7 2 REFRIGERATOR COMPARTMENT ACCESSIBILITY 17 7 3 FREEZER COMPARTMENT ACCESSIBILITY 18 8 TROUBLESHOOTING 21 ...

Page 4: ...R600a NOFROST REFRIGERATORS 4 22 ...

Page 5: ... them is volume 260 litres ex C9 pnc 925886 262 litres ex C10 pnc 925887 and 290 litres ex C11 pnc 925888 The NOFROST refrigerators consist of a refrigerator compartment A and a freezer compartment B The cold produced by the battery driven evaporator in the freezer compartment is then distributed through the refrigerator and freezer compartment by the fan located above the battery ...

Page 6: ...ocated inside the flap and reacts both to the air temperature of the air coming out of nozzle 2 and to the air temperature inside the refrigerator compartment The air returns to the air compartment through the foam duct at the bottom of the compartment entering from nozzle 3 and leaving from nozzle 4 FREEZER COMPARTMENT B The cold air is pushed into the compartment by the fan through the two nozzl...

Page 7: ...R600a NOFROST REFRIGERATORS 7 22 2 REFRIGERATION CIRCUIT Legend 1 compressor 1 capacitor 2 filter 3 capillary 4 heat exchanger 5 battery evaporator ...

Page 8: ...low green 3 freezer compressor junction box b brown 5 overload cut out c blue 6 refrigerator thermostat d white 9 stylus defrosting heater e black 9a armored defrosting heater f grey 13 refrigerator lamp 15 light switch 24 battery fan 25 timer 26 safety thermal switch 40 C 27 defrosting cut out switch 10 C 28 running capacitor ...

Page 9: ... 6 3 ways junction box 3 freezer compressor junction box 5 overload cut out 6 refrigeraotr thermostat 9 stylus defrosting heater 9a armored defrosting heater 13 refrigeraotr lamp 15 light switch 24 battery fan 25 timer 26 safety thermic switch 40 C 27 defrosting cut out switch 10 C 28 running capacitor ...

Page 10: ...ezer or refrigerator accumulates on evaporator battery thanks to the air circulation avoiding the formation of frost on food During normal operation the cam of the timer closes contacts 3 4 thus powering the compressor and fan circuits The operating time lasts about 14 hours The arrows in the picture show the current path ...

Page 11: ...o defrosting heaters that are simultaneously powered since they are connected in parallel After 36 minutes defrosting the timer switches to contact 3 4 again switching on the compressor and the fan and disconnecting the heating elements If the battery temperature reaches 10 C in less than 36 minutes the heaters are switched off by the defrosting cut out switch 26 If for any reason it does not swit...

Page 12: ...RS 12 22 6 COMPONENTS 6 1 CONTROL PANEL pilot lamp B thermostat knob T light button P REFRIGERATOR COMPARTMENT flap C it enables to regulate the flow of air coming from the freezer compartment through th the knob M lampholder A ...

Page 13: ...ENT fan D couple of thermal overload cut outs E evaporator battery F stylus defrosting heater G 117 W 494 Ω armored defrosting heater G1 118 W 482 Ω OPERATING TEMPERATURE TYPE OF THERMAL OVERLOAD CUT OUT OPENING CLOSURE DEFROSTING 10 C 1 C SAFETY 40 C 30 C ...

Page 14: ...22 6 4 COMPRESSOR COMPARTMENT At the back of the appliance there is the timer H by using a screwdriver it is possible to rotate the shaft cam manually only clockwise to switch the 3 4 and 3 2 contacts switch TIME A TIME B 14 h 26 36 ...

Page 15: ...s merely indicative between the 1 st snap and the 2 nd snap the run is minimum between the 2 nd and the 1 st snap the run is longer Warning In order to test the appliance during normal operation you need to rotate the timer cam till the 2 nd snap so as to close 3 4 contact In order to test the appliance during defrosting operation you need to rotate the timer cam till 1 st snap so as to close 3 2 ...

Page 16: ...PANEL ACCESSIBILITY To access the components of the control panel thermostat pilot lamp and light button carry out the following operations 1 remove the 2 fixing screws from the hinges 2 remove the 2 fixing screws placed behind the appliance 3 push forward the top ...

Page 17: ... REFRIGERATORS 17 22 7 2 REFRIGERATOR COMPARTMENT ACCESSIBILITY To access the flap remove the caps that cover the two screws loosen the two screws The thermostat bulb is inserted into the rear of the flap see detail ...

Page 18: ...T ACCESSIBILITY To access the components of the freezer compartment it is necessary to remove I protection Evaporator battery F evaporator battery is fixed to container K by two lateral clips L and by three hooks at the bottom N removable with a screwdriver ...

Page 19: ...gle spare part They are fixed to the conveyor K with two screws Once the battery is unhooked it can be folded as pictured to access the heating elements paying attention to the pipes Stylus defrosting heater The stylus defrosting heater G is fitted to the battery by three clamps J to replace it remove the clamps with a pliers it is not necessary to cut them because they can be used again ...

Page 20: ...ttery to replace the heater it is necessary to remove it from the wings of the battery paying attention not to bend them The conveyor The conveyor K for the defrosting water is fitted to the bottom of the compartment with two clips L to unhook the conveyor it is necessary to push down the two clips The fan The fan is fixed with two screws ...

Page 21: ...pipes battery capillary R and battery return pipe S and in the weldings of cylinder T Excessive ice on the battery If the rubber valve remains open since the air outside the freezer compartment is humid it penetrates inside and forms too much ice on the battery The valve remains open if there are foreign bodies or if it loses elasticity therefore in the first case it is necessary to remove the for...

Page 22: ...en circuit replace the thermal switches If the heater value is 0 Ω then check sequence no 3 3 Timer blocked or faulty Unplug the appliance place the thermostat knob on ON then access timer box and measure with the tester the electrical continuity a between the clamp 1 of timer and the line clamp of the feeding plug b between the clamp 3 of timer and the clamp of the feeding plug neutral wire If th...

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