Icematic N21 Service Manual Download | Manualshive

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Cod. 71503341/0 - 3/00 - GB

OUR SYSTEMS CONFORM TO EC STANDARD 73/23 CEE - 89/336

SERVICE MANUAL

N21

AUTOMATIC CUBERS

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Summary of Contents for N21

Page 1: ...Cod 71503341 0 3 00 GB OUR SYSTEMS CONFORM TO EC STANDARD 73 23 CEE 89 336 SERVICE MANUAL N21 AUTOMATIC CUBERS...

Page 2: ...IONAMENTO OPERATING PRESSURES PRESSIONS DE FONCTIONNEMENT BETRIEBSDR CKE Pressione di mandata Discharge pressure Pressions de fonctionnement Hochdruckbereich N 21 Raffreddamento ad aria 21 C Air coole...

Page 3: ...t for any concealed damage Notify carrier of your claim for the concealed damage as stated in step 2 above 5 Remove all internal support packing and masking tape 6 Check that refrigerant lines do not...

Page 4: ...much the three items listed above Low water pressure below 1 bar may cause malfunction of the ice maker unit Water containing excessive minerals will tend to produce cloudy colored ice cubes plus scal...

Page 5: ...ations and possible failure 9 Have the bin liner and cabinet been wiped clean 10 Has the owner user been given the User Manual and been instructed on the importance of periodic main tenance checks 11...

Page 6: ...ow control OPERATIONAL CHECKS C At completion of the water filling phase the unit initiate automatically the first freezing cycle with the start up of Fig 1 COMPRESSOR WATER PUMP FAN MOTOR in air cool...

Page 7: ...filter or conditioner J With the icemaker in the harvest cycle hold ice against the bin thermostat control bulb to test its shut off Fig 4 This should cause the ice maker to shut OFF after 30 seconds...

Page 8: ...med portion of the freezing cycle is pre fixed and related to the setting of the upper part of the timer cam The electrical components in operation during the freez ing cycle are COMPRESSOR FAN MOTOR...

Page 9: ...made by turning its adjusting screw located on front side With a clockwise rotation of the setting screw the thermostat cut IN temperature will be lowered longer freezing cycle thicker ice cube while...

Page 10: ...e contacts its bulb Being it connected in series with the front microswitch of the timer it causes the unit shut off only at the end of the freezing cycle when the ice cubes are com pleted After ice i...

Page 11: ...gas valve coil is activated so to attract the hot gas discharged from compressor to flow directly into the evaporator serpentine to defrost the formed ice cubes L FAN MOTOR Air cooled version The fan...

Page 12: ...place valve Locate and repair Remove and clean Main switch in OFF position Loose electrical connections Inoperative bin thermostat Low voltage Contactor with burnt contacts Non condensable gas in syst...

Page 13: ...et valve not opening Hot gas valve orifice restricted Discharge head pressure too low Inoperative fan pressure control Inoperative fan motor Water regulating valve misadjusted Water tubing leaking Rem...

Page 14: ...as during the freezing cycle the bin thermostat contacts are bypassed by the front microswitch of the timer When remove the ice cubes from its sensing bulb the unit will restart after few seconds from...

Page 15: ...in the automatic mode 12 Re fit the evaporator cover and the unit service panels 13 At completion of the freezing and harvest cycle make sure of proper texture and clearness of the ice cubes and that...

Page 16: ...GB 30 ELECTRIC DIAGRAM N21...

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