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ENGLISH

Cod. 2200780133 00 - Edition 10/2014 - 1

INSTRUCTION AND MAINTENANCE MANUAL

DRYERS

QPNC1600 - QPNC1800 - QPNC2500 -

QPNC3000

Code

2200780133

0

1

Edit. 10/2014

READ THIS MANUAL CAREFULLY BEFORE CARRYING OUT ANY OPERATIONS ON THE

DRYER.

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Содержание QPNC1600

Страница 1: ...200780133 00 Edition 10 2014 1 INSTRUCTION AND MAINTENANCE MANUAL DRYERS QPNC1600 QPNC1800 QPNC2500 QPNC3000 Code 2200780133 01 Edit 10 2014 READ THIS MANUAL CAREFULLY BEFORE CARRYING OUT ANY OPERATIONS ON THE DRYER ...

Страница 2: ...anual is an integral part on the dryer Read this manual carefully before carrying out any operations on the dryer The installation of the dryer and all operations involving it must be performed in conformity with the regulations in force concerning electric plants and personal safety CHARACTERISTICS AND SAFETY PRECAUTIONS BEFORE REMOVING THE PROTECTIVE GUARDS TO CARRY OUT ANY MAINTENANCE ON THE MA...

Страница 3: ...tube 7 and goes back to the evaporator where it produces the refrigerating effect Due to the heat exchange with the compressed air which passes through the evaporator against the stream the refrigerant evaporates and goes back to the compressor for a new cycle The circuit is equipped with a bypass system for the refrigerant this intervenes to adjust the available refrigerating capacity to the actu...

Страница 4: ...PTION OF DANGER SIGNALS 1 Dangerous electricvoltage 2 Air not fit for breathing 3 High pressure 4 Fan rotating 5 Hot parts 6 0 DANGER ZONES 6 1 DANGER ZONES 1 2 3 4 Risks present on the whole machine FIG 2 4 1 1 4 4 1 1 2 3 1 1 3 1 1 1 3 3 2 3 3 1 2 3 1 1 ...

Страница 5: ...ENGLISH Cod 2200780133 00 Edition 10 2014 5 7 0 SAFETY DEVICES 7 1 SAFETY DEVICES 1 Cooling fan shield 3 Earth 2 Shield FIG 3 1 3 1 1 3 2 ...

Страница 6: ... temperature 3 C 37 4 F Max room temperature 45 C 113 F compulsory Max inlet allowed temperature 55 C 131 F Max temperature of incoming air 55 C 131 F Max working pressure 13 bar 188 F 10 0 TRANSPORT AND HANDLING The machine must be transported as shown in the following figures 11 0 UNPACKING CUTTING THE METAL STRAPPING IS A DANGEROUS OPERATION DO NOT ABANDON THE CUT PIECES IN THE ENVIRONMENT Afte...

Страница 7: ...AVE ACCESS TO THE ELECTRIC PANEL SWITCH OFF THE POWER BEFORE OPENING THE DOOR OF THE ELECTRIC PANEL COMPLIANCE WITH THE REGULATIONS IN FORCE CONCERNING ELECTRIC PLANTS IS FUNDAMENTAL FOR OPERATOR SAFETY AND FOR THE PROTECTION OF THE MACHINE 12 3 CONNECTION TO THE COMPRESSED AIR NETWORK Fit a manual interception valve Ref 1 between the machine and the compressed air network so that the dryer may be...

Страница 8: ...working pressure 13 bar 188 psi 14 0 MACHINE ILLUSTRATION 14 1 GENERAL LAY OUT QPNC0750 QPNC1000 QPNC1250 QPNC1600 1 Refrigerant compressor 7 Freon filter 2 Condenser 8 Capillary 3 Motor fan 9 Pressure switch of motor fan 4 Evaporator 10 Pressure switch of the high pressure 5 Condensate drain 11 Liquid separator 6 Hot gas by pass valve 12 Pressure switch of the min pressure Nominal Power W hp Nomi...

Страница 9: ...g pressure 13 bar 188 psi 14 1 GENERAL LAY OUT QPNC1800 QPNC2500 QPNC3000 Nominal Power W hp Nominal Power W hp 1 Refrigerant compressor 7 Freon filter 2 Condenser 8 Capillary 3 Motor fan 9 Pressure switch of the high pressure 4 Evaporator 10 Pressure switch of the min pressure 5 Condensate drain 11 Liquid separator 6 Hot gas by pass valve 12 Pressure switch of motor fan 1 9 10 12 11 5 7 8 4 FIG 8...

Страница 10: ...en indicator of voltage Running Ref 10 Red indicator of alarm for Condensate drain Ref 11 Red indicator of alarm for High Low pressure Fan motor protection ICON MODE FUNCTIONS ALARM OFF No active alarms ON Probe failure alarm High Low temperature alarm COMPRESSOR OFF Dryer off FLASH Maintenance warning ON Dryer on FAN OFF Fan off FLASH n a ON Fan on 2 Alarms 3 Power ON 4 Fan ON 5 PDP temperature 6...

Страница 11: ...Close the cock Ref 1 Fig 10 Remove the panel Ref 5 Fig 10 Release the pressure in the dryer by pressing the condensate drain TEST pushbutton locate on the steam trap Ref 2 Fig 10 Switch off the machine Turn the switch in position STOP Ref 3 Fig 10 Turn on the supply automatic differential switch Ref 4 Fig 10 HOT PARTS INSIDE Remove the stopper Ref 6 Remove the filter Ref 7 Clean the filter Ref 7 w...

Страница 12: ...e dryer is working under bad conditions of condensation Clean the filter from the condensate drain Check the condensate drain Check the flow rate of treated air Check the room temperature Check the air temperature at the drier inlet Clean the condenser Check the operation and the calibration of the press switch Check the good operation of the fan 3 The compressor head is very hot 55 C 131 F Make r...

Страница 13: ...rning icon NOT fashing label H1 flashing High PDP call for service refrigerant leak flow rate inlet temperature exeeding the limit Warning icon NOT fashing label L1 flashing Low PDP call for service hot gas by pass valve out of order ambient temperature lower then limits EE ALARM EE alarm is shown when internal EPROM errors happens if this warning will appear the dryer will stop running The error ...

Страница 14: ...SH 14 Edition 10 2014 Cod 2200780133 00 SE ALARM After 4000Hrs the controller will issue a SE warning This is the maintenance due warning How to reset the maintenance warning follow steps 1 to 6 1 2 3 4 5 6 ...

Страница 15: ...arts running and stop it after the air compressor has been stopped The compressed air piping will be free of condensate only by doing so The drier must be kept running during all the time the air compressor is running WARNING if the drier is switched off before starting it again wait at least 5 minutes in order to allow the pressure balancing BEFORE CARRYING OUT ANY MAINTENANCE JOBS IT IS OBLIGATO...

Страница 16: ...nt A dew point different from the rated one generally depends on causes which are not attributable to their operation Ref 1 Closing cap Ref 2 Adiusting screw WORKING PRESSURES AND TEMPERATURES OF R404A SUCTION SIDE OF REFRIGERATION COMPRESSOR Evaporat Temperat C F Evaporating Pressure bar psi RATED VALUES Temperat 20 C 68 F 2 3 35 6 37 4 R404A 5 4 5 6 78 3 81 2 1 2 ...

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