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The data, information and descriptions, and the technology described herein are the exclusive intellectual property of Ecotechnics S.p.A. and constitute industrial 
secrets. Said information is communicated in strict confidentiality; said information may be used only for the purpose for which it is communicated; said information 
may not be divulged, communicated, or revealed to third parties and/or reproduced by any means for any reason whatsoever; said information is protected under 
applicable Italian competition and industrial property law. 

 

 

Service manual VA500-VA750 ed.1 ver.5.05 [MANU360.SA0].doc  

pag.21 - 18/10/2005

 

-  verify of the scale: supply 12 VDC between red and black wire of the scale, capture the 

signal from white and green wire of the scale. Distort the scale then verify reading 
fluctuation, if not, change faulty scale    

-  substitute the motherboard 

GAIN-OF-WEIGHT IMPLIES READING DECREASE OF THE SCALE 

-  verify the right sequence (refer to WIRING paragraph) of the colour of the wire into the 

pin-connector of the scale 

-  verify that the arrow of the scale is directed upward 

 
 
 

Summary of Contents for VA500

Page 1: ...trict confidentiality said information may be used only for the purpose for which it is communicated said information may not be divulged communicated or revealed to third parties and or reproduced by...

Page 2: ...trict confidentiality said information may be used only for the purpose for which it is communicated said information may not be divulged communicated or revealed to third parties and or reproduced by...

Page 3: ...AND ALARM PANEL 12 ROUTINE MAINTENANCE 13 FILLING THE MACHINE BOTTLE 13 VACUUM PUMP 13 M 1 OIL TOP UP 13 M 2 OIL CHANGE 13 M 3 DECONTAMINATION ONLY MODEL A 14 REPLACING THE DRYER FILTERS 15 FILLING T...

Page 4: ...LY MODEL XK360 23 SUGGESTED SPARE PARTS 24 TECHNICAL DETAILED LISTS 25 WIRING 26 30 KG LOAD CELL WIRING 26 BOTTLE GROUND WIRING 26 POWER SUPPLY WIRING 27 MAIN GROUND WIRING 27 MAIN SWITCH WIRING CHOKE...

Page 5: ...within certain specifications in regard to performance Proper service with the correct tools is necessary to ensure that the service station will operate as designed If there is any question about a s...

Page 6: ...erty law pag 6 18 10 2005 Service manual VA500 VA750 ed 1 ver 5 05 MANU360 SA0 doc CHECKING THE CONNECTIONS Check the leads couplers and connectors for stains rust moisture etc 1 Disconnect Lead Coupl...

Page 7: ...n its new configuration this cylindrically shaped component has three connectors on the upper part with a safety pressure switch 16 connected to one of them This is normally closed and will open the e...

Page 8: ...a single stage model with an involute capacity of 112l min and a vacuum degree of 0 1 mbar The vacuum phase can also be selected from the keyboard as long as the air conditioning system has been comp...

Page 9: ...trict confidentiality said information may be used only for the purpose for which it is communicated said information may not be divulged communicated or revealed to third parties and or reproduced by...

Page 10: ...or revealed to third parties and or reproduced by any means for any reason whatsoever said information is protected under applicable Italian competition and industrial property law pag 10 18 10 2005 S...

Page 11: ...T10 T11 T2 T13 FUNCTION SELECTOR KEYBOARD T1 Availability LED indicator when lit the display reports the quantity of refrigerant fluid contained in the bottle T2 Charging LED indicator flashes during...

Page 12: ...Pressing this key will start the operation indicated by the lighted LED T11 STOP key Pressing this key will stop the operation indicated by the flashing LED T12 TEMPERATURE key Pressing this key the...

Page 13: ...hose The oil discharge LED will light when the machine will have recovered all the fluid from the hose The machine will stop automatically Close the high pressure tap on the MACHINE press the STOP key...

Page 14: ...r in new oil through the filling hole 3 opened previously until the level rises to the midpoint on the indicator 4 7 Replace and tighten the filling cap 3 M 3 Decontamination only Model A Dark or turb...

Page 15: ...ect the low pressure quick connect coupling to the male connector 2 of the filter 4 7 Connect the machine to the electrical supply 8 Carry out a recovery operation note the low pressure tap should be...

Page 16: ...l VA500 VA750 ed 1 ver 5 05 MANU360 SA0 doc oil use only synthetic polyester oils or the oils recommended by the A C system manufacturer ISO 68 density Always refer to the information provided by the...

Page 17: ...do not touch or disconnect the wires of the resistance coil Remove the bottle 5 from its seat leaving the resistance around the scale plate ONLY MODEL XK360 Rest the bottle on a stand at least 40 cm...

Page 18: ...enoid valve referring to the PIPING paragraph of the EXPLODED VIEW KEY Close the blue and red taps of the machine bottle Unscrew the nut 2 extract the lock washer 3 and the coil 1 ATTENTION The coil m...

Page 19: ...the oil of the vacuum pump HIGH PRESSURE ALARM remove the air from the bottle as describe into purge non condensable gas paragraph of the user manual Repeat another recovery phase if air accumulate a...

Page 20: ...pressure LP and HP a verify if the needle of the HP and LP quick coupler reach the valve inside the male fitting b verify if hose or the capillary for the refilling the one under the refilling electro...

Page 21: ...tsoever said information is protected under applicable Italian competition and industrial property law Service manual VA500 VA750 ed 1 ver 5 05 MANU360 SA0 doc pag 21 18 10 2005 verify of the scale su...

Page 22: ...pr Inlet bar Table Differ 5 3 50 1 5 4 2 54 1 46 3 1 81 1 19 2 1 08 0 92 1 0 37 0 63 0 0 33 0 33 0 10 0 40 0 30 0 20 0 46 0 26 0 30 0 51 0 21 0 40 0 54 0 14 0 50 0 58 0 08 Difference table difference...

Page 23: ...tried to make the oil refilling without to make the recovery before Commanded from the low pressure switch ER01 Displayed if it is tried to make the recovery and the system it is already empty Command...

Page 24: ...ation TUB1161 3 MT Red Hose HP 1 2 ACME connection with the station CEL9500 30 kg Load Cell GRCNT10 USED Oil Bottle GRCNT01 NEW Oil Bottle ELT1050 C YB14 230V 50 Parker Coil VLV1550 Body of Valve GRVL...

Page 25: ...ormation is protected under applicable Italian competition and industrial property law Service manual VA500 VA750 ed 1 ver 5 05 MANU360 SA0 doc pag 25 18 10 2005 TECHNICAL DETAILED LISTS XK360 XK385 T...

Page 26: ...E DIRITTI DI PRIVATIVA CHE E APPLICABILE ALRAPPORTO 20 J K CLASS IFICAZION E QU OT ES E NZAINDICA Z IONEDI T OLLE R A NZ AGR A DODI P R E CIS IONE M E DIOU NI E N IS O22768 1 1996 T A B E LLACA R A T...

Page 27: ...eparentesi quadreindicanolecaratteristichedacontrollare 24 05 2005 1 1 Cablaggio alimentazione serie 1500 2500 Mate N Lock 1250 max 70 50 T N L C A max 70 J3 Tj B ITEM PART NUMBER Q TI T Capocorda a o...

Page 28: ...005 WN WL WT F H T T 150 210 70 A B ITEM PART NUMBER Q TI T2 Capocorda a occhiello 5 mm 3378 02 2 T1 Faston femmina 6 3 mm RSB 7961 020 Coprifaston 63N004STK 1 N1 Faston femmina 6 3 mm RSB 7961 020 Co...

Page 29: ...c valve wiring mate_n_lock Heater pressure switch wiring prs4075 ONLY MODEL XK360 EMESSO C REATO MOD IFIC ATO MATERIALE SC ALA APPROVATO REV SIZE A4 C OD ICE N OME FILE A B C D E F G H I L M N O P Q R...

Page 30: ...OU NI E N IS O22768 1 1996 T A B E LLACA R A T T E R IS T ICH EDACONT R OLLA R E DEMERITO RIF RIF DEMERITO REV D ATA D ESCRIZION E MODIFICA FIRMA P RS 4175 A 1 1 1 Cablaggio pressostato P RS 4175 conn...

Page 31: ...IS T ICH EDACONT R OLLA R E DEMERITO RIF RIF DEMERITO REV DATA DESCRIZION E MODIFICA FIRMA 1 1 1 Cablaggio compressore B 20 L eonardo Fallerini Alessandro R ossi 08 07 2004 ITEM PART NUMBER Q TI COMP...

Page 32: ...ENTE IN MATERIA DICONCORRENZA E DIRITTI DI PRIVATIVA CHE E APPLICABILE ALRAPPORTO 20 J K C LAS SIFIC AZIONE QU OT ES E NZAINDICA ZIONEDI T OLLE R A NZ AGR A DODI P R E CIS IONE M E DIOU NI E N IS O227...

Page 33: ...ition and industrial property law Service manual VA500 VA750 ed 1 ver 5 05 MANU360 SA0 doc pag 33 18 10 2005 Bottle temperature probe wiring ONLY MODEL XK360 Disegnatore Materia Creato Modif icato Tit...

Page 34: ...ressure 4 Low pressure Manometer 5 Low pressure valve 6 Distributor 7 Low pressure switch 8 Mechanical filter 9 Oil evaporator separator 10 Vacuum pump 11 Check valve 12 Humidity and acidity filter 13...

Page 35: ...n competition and industrial property law Service manual VA500 VA750 ed 1 ver 5 05 MANU360 SA0 doc pag 35 18 10 2005 WIRING DIAGRAM I1 LINE General switch F Fuse 240V 8A PR1 low pressure switch PR2 Sa...

Page 36: ...K3 K2 K1 FLT1 T1 220V 110V W1 J3 LINE IN J14 GAS REFILL E V J11 EVAPORATOR E V J12 HEATER J6 VACUUM E V J7 OIL DISC E V J10 OIL E V VALUE_7 9 J1 VACUUM PUMP J5 J2 COMPRESSOR FAN ELECTRONIC BOARD SCH4...

Page 37: ...nom MAN3000 3 Low pressure manom MAN3100 4 Moisture indicator IND2001 5 Dryer filter FLT5002 6 Dryer filter FLT5002 7 Low pressure filter kit RAC6301 8 condenser GRCND07 9 Fan CND2530 CND2535 10 High...

Page 38: ...MAN3100 4 Moisture indicator IND2001 5 Dryer filter FLT5002 6 Dryer filter FLT5002 7 Low pressure filter kit RAC6301 8 condenser GRCND07 9 Fan CND2530 CND2535 10 High pressure filter kit RAC6300 11 me...

Page 39: ...w pressure filter kit RAC6301 8 condenser GRCND07 9 Fan CND2530 CND2535 10 High pressure filter kit RAC6300 11 membrane keypad SCH5580 12 console panel CRP3600 V 13 motherboard value_x SCH4001 14 main...

Page 40: ...r cylinder 9 Copper heater 10 Lower manifold 11 Discharge oil fitting RAC5889 12 Oil separator gasket high side 13 Coalescent filter 14 Electronic valve inner body GRVLV01 15 Electronic valve solenoid...

Page 41: ...r cylinder 9 Copper heater 10 Lower manifold 11 Discharge oil fitting RAC5889 12 Oil separator gasket high side 13 Coalescent filter 14 Electronic valve inner body GRVLV01 15 Electronic valve solenoid...

Page 42: ...CODE REF ITEM CODE T1 Low pressure bypass TUBX031 Clp Manifold low pressure manometer TUB1000 01 T2 High pressure bypass TUBX032 Chp Manifold high pressure manometer TUB1000 01 T3 Condenser high pres...

Page 43: ...CODE REF ITEM CODE T1 Low pressure bypass TUBX031 Clp Manifold low pressure manometer TUB1000 01 T2 High pressure bypass TUBX032 Chp Manifold high pressure manometer TUB1000 01 T3 Condenser high pres...

Page 44: ...for the purpose for which it is communicated said information may not be divulged communicated or revealed to third parties and or reproduced by any means for any reason whatsoever said information i...

Page 45: ...for the purpose for which it is communicated said information may not be divulged communicated or revealed to third parties and or reproduced by any means for any reason whatsoever said information i...

Page 46: ...ct confidentiality said information may be used only for the purpose for which it is communicated said information may not be divulged communicated or revealed to third parties and or reproduced by an...

Page 47: ...trict confidentiality said information may be used only for the purpose for which it is communicated said information may not be divulged communicated or revealed to third parties and or reproduced by...

Page 48: ...trict confidentiality said information may be used only for the purpose for which it is communicated said information may not be divulged communicated or revealed to third parties and or reproduced by...

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