Electrolux NOFROST UNDERCOUNTER FREEZERS Service Manual Download | Manualshive

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SERVICE MANUAL

REFRIGERATION

© ELECTROLUX ZANUSSI S.p.A. Publication No.
Spares Operations Italy

599 35 31-70

Corso Lino Zanussi, 30 020708
I - 33080 PORCIA / PN (ITALY) ITZ/SERVICE/AA

Fax +39 0434 394096

NOFROST

UNDERCOUNTER

FREEZERS

WITH ELECTRONIC

TIMER

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Summary of Contents for NOFROST UNDERCOUNTER FREEZERS

Page 1: ...RATION ELECTROLUX ZANUSSI S p A Publication No Spares Operations Italy 599 35 31 70 Corso Lino Zanussi 30 020708 I 33080 PORCIA PN ITALY ITZ SERVICE AA Fax 39 0434 394096 NOFROST UNDERCOUNTER FREEZERS WITH ELECTRONIC TIMER ...

Page 2: ...NOFROST UNDERCOUNTER FREEZERS WITH ELECTRONIC TIMER 2 20 ...

Page 3: ... 6 ALARMS 12 6 1 TEMPERATURE ALARM OPTIONAL 12 6 2 DOOR OPEN ALARM OPTIONAL 12 6 3 DEFROSTING HEATER ALARM OPTIONAL 12 6 4 NTC SENSOR MALFUNCTIONING ALARM OPTIONAL 13 7 COMPONENTS 14 7 1 CONTROL PANEL 14 7 2 FREEZER COMPARTMENT 14 7 3 RUBBER VALVE 15 7 4 ELECTRONIC BOARD 15 8 ACCESSIBILITY 17 8 1 ACCESS TO CONTROL PANEL 17 8 2 ACCESS TO FREEZER COMPARTMENT 18 9 TROUBLESHOOTING 20 9 1 DRAIN CIRCUIT...

Page 4: ...NOFROST UNDERCOUNTER FREEZERS WITH ELECTRONIC TIMER 4 20 ...

Page 5: ...el is a freezer of an 80 litre net capacity produced with electronic thermostat in versions A class B class The NOFROST UNDERCOUNTERS consists of a single freezer compartment The cold produced by the battery evaporator in the freezer compartment is then distributed by the fan placed over the battery FREEZER COMPARTMENT The fan makes the cold air circulate in the compartment it enters by nozzle 1 a...

Page 6: ...NOFROST UNDERCOUNTER FREEZERS WITH ELECTRONIC TIMER 6 20 2 REFRIGERATION CIRCUIT Legend 1 compressor 2 condenser 3 filter 4 capillary 5 heat exchanger 6 battery evaporator ...

Page 7: ...low green 3 freezer compressor b brown 5 motor protector c blue 9 defrosting heater d white 24 evaporator battery fan e black 26 safety thermal switch 40 C 27 defrosting cut out switch 10 C 28 running capacitor the capacitor is indicated only for the models listed in the spare parts list 32 NTC Sensor 41 electronic thermostat with timer assembly ...

Page 8: ...ellow green 3 freezer compressor b brown 5 motor protector c blue 9 defrosting heater d white 24 evaporator battery fan e black 26 safety thermal switch 40 C 27 defrosting cut out switch 10 C 28 running capacitor the capacitor is indicated only for the models listed in the spare parts list 32 NTC sensor 41 electronic thermostat with timer assembly ...

Page 9: ...d Rotating clockwise the thermostat knob the regulation is in a range of 16 C and 24 C and the green ON OFF led lights In NOFROST freezers the humidity inside the freezer compartment accumulates on the evaporator battery thanks to the air circulation thus preventing the formation of frost on food During normal operation time the electronic board powers the compressor 3 and the fan 24 circuits The ...

Page 10: ...he end of this period the led switches off and the defrosting procedure starts 2 If the internal temperature is lower than cut in temperature of the thermostat when the power is restored the compressor functions in thermostatic conditions and after 5 hours the electronic board starts the defrosting procedure The SUPER function can be deactivated at any time by pushing SUPER button 5 3 SUPER FUNCTI...

Page 11: ...thermal energy is consumed in the defrosting process of the ice on the evaporator After 20 minutes the board detects every minute the signal of the defrosting process in order to determine the intervention of the defrosting cut out switch 27 When the defrosting cut out switch intervenes the electronic control switches on the compressor again 3 with a 5 minute delay After another 3 minute delay whe...

Page 12: ...y with short tones where needed The alarm function stops with the reset of the compartment temperature therefore The temperature alarm led switches off The compressor functions again in thermostatic conditions 6 2 DOOR OPEN ALARM OPTIONAL The electronic board features a reed element which detects the presence or absence of the magnet placed on the door The door open alarm activates if the door of ...

Page 13: ...from the sensor is out of range then The temperature alarm led flashes intermittently The appliance functions with a predefined cycle by which the compressor is powered for 30 minutes and remains off for 45 minutes alternatively The defrosting procedure starts every 19 hours When the sensor returns to normal operation the above mentioned functions end Characteristics of NTC sensor ...

Page 14: ...n case of first switching on or power failure the SUPER function sets up automatically see paragraph 5 2 TEMPERATURE ALARM led RED E 7 2 FREEZER COMPARTMENT fan D 220V 50Hz 1 6 W 2000 rpm couple of thermal overload cut outs E evaporator battery F defrosting heater G 151 W 381 Ω conveyor K fixing clips L OPERATION TEMPERATURE TYPE OF THERMAL OVERLOAD CUT OUT OPENING CLOSURE DEFROSTING 10 C 1 C SAFE...

Page 15: ...ment the valve closes so as to prevent the humid air from being ducted in 7 4 ELECTRONIC BOARD A connector J1 board powering and compressor control B connector J2 fan components power defrosting heater and thermal switches C connector J3 J6 NTC sensor In case of replacement or control of the components position the cables inside the control support as drawn in the picture WARNING the electronic bo...

Page 16: ...RS WITH ELECTRONIC TIMER 16 20 VIEW OF CONTROL AND POWER BOARD A reed element B thermostat knob C SUPER button 1 compressor 2 free 3 line 4 neutral 1 neutral 2 free 3 defrosting heater 4 free 5 fan 1 NTC 2 NTC 1 NTC 2 free 3 NTC ...

Page 17: ...the control panel remove the 2 screws which fix the top to the side panels of the cabinet back side then push the top forward to uncouple the hooks from the head screws Inside the top there is the control support with the electronic board the thermostat knob SUPER button The electronic sensor enters the guide from hole U ...

Page 18: ...RTMENT To gain access to the components of the freezer remove the protection I by unscrewing the 5 screws Evaporator battery The evaporator battery F is hooked to the conveyor K by means of two side clips L and three hooks N which can be removed by a screwdriver and placed on the bottom ...

Page 19: ...rom the battery wings paying attention not to deform them Thermal overload cut outs The two 10 C e 40 C overload cut outs are connected together in a single component E and are not available as single spare part They are fixed to the conveyor with two screws The conveyor The conveyor for the defrosting heater is fitted to the bottom of the compartment with two clips to remove the conveyor it is ne...

Page 20: ...ice a new manual defrosting procedure has been introduced to be carried out with cold internal temperatures The electronic board must be powered with the thermostat knob in ON position and closet freezer door then perform the following 4 operations 1 Rotate the thermostat knob in OFF position 2 Open the freezer door for at least 1 second it is not necessary to close it again 3 Press SUPER button t...

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