MAHLE ACX1281, Operation Manual

Page 1: ...MAHLE ACX1281 EN Operation manual A C Service Units...

Page 2: ...aging 15 4 2 Attaching handles 15 4 3 ACX1281 16 4 3 1 Setting language 16 4 3 2 Setting date and time 16 4 3 3 Setting workshop data 16 4 3 4 Activating deactivating printer workshop info buzzer oper...

Page 3: ...er replacement interval 29 8 9 Software update 30 8 10 Replacing printer paper 30 8 11 Replacing white sample filter Refrigerant identification unit 30 8 12 Resetting the circuit breaker 30 8 13 Syste...

Page 4: ...es h h Wear protective gloves 2 Important notes Before start up connecting and operating MAHLE products it is absolutely essential that the Original instructions owner s manual and in particular the s...

Page 5: ...arried out Specifications for electrical systems BGV A3 Electrical engineering in Germany is subject to the accident prevention regulations of the trade association Electrical Plant and Equipment as u...

Page 6: ...ant dirt and traces of other gases y y The ACX1281 is provided with a refrigerant identification system designed to prevent contamination with other refrigerants y y If the refrigerant has been contam...

Page 7: ...nts have to be replaced other than in the course of maintenance work y y ACX1281 must be connected to a properly grounded electri cal connection y y If there is damage to the ACX1281 terminate usage i...

Page 8: ...witch If one of the covers is removed from the ACX1281 all operations are terminated and the ACX1281 is disabled until the removed cover has been re at tached to the ACX1281 Service door switch If the...

Page 9: ...king flush adapter 2 High side parking flush adapter 3 Service hose 4 Service hose connections 5 Main switch 6 Used oil load cell and bottle 7 Vacuum pump oil fill access port 8 Service door for oil b...

Page 10: ...d Attention Operator If a situation arises where the unit software requires updated MAHLE has a USB stick available for updating the ACX1281 software The USB stick can be inserted in the USB socket to...

Page 11: ...ice door N N Theservicedooronthesideprovidesaccesstothetheinternal refrigerant bottle and the filter drier N N The service door on the rear permits access to the Vacuum pump oil fill drain and used oi...

Page 12: ...se couplings are connected to the service connections of the vehicle air conditioning system during A C service When not in use the service quick release couplings can be connected to the parking flus...

Page 13: ...hen not in operation the power supply cable can be coiled up on the cable holder on the back of the ACX1281 The ACX1281 is switched on by twisting the main switch in clockwise direction to the vertica...

Page 14: ...nto the used oil bottle The vehicle air conditioning system is partly filled with UV dye to facilitate the detection of leaks in the event of damage to the vehicle air conditioning system The refriger...

Page 15: ...ervice personnel N N Contact customer service in the event of any transportation damage e g oil leakage 4 2 Attaching handles 1 Remove plastic bubble wrap from handle 2 Locate hex Allen key included i...

Page 16: ...input keys 3 Store entries and return with O 4 3 4 Activating deactivating printer workshop info buzzer operator list daily leak test 1 Select Settings General settings System settings 2 Select the me...

Page 17: ...ith liquid refrigerant Use only R1234yf refrigerant N N A menu driven refrigerant check is performed before filling the internal refrigerant bottle N N The refrigerant can be obtained from your gas su...

Page 18: ...orming A C serv ice Use of damaged hoses will result in the loss of refrigerant and the possibility of refrigerant contamination N N Follow the vehicle manufacturer s recommendations for A C service o...

Page 19: ...ation unit 6 3 1 Refrigerant analysis m mOil contamination will damage the refrigerant identification unit If the refrigerant sample is supplied to the unit from the recycling equipment directly it mu...

Page 20: ...11 Close low side coupler and disconnect from parking flush adapter 12 Repeat steps 5 9 until both gauges read 0 bar g N N This process may need to be repeated a number of times depending on the amou...

Page 21: ...vehicles or My database 3 Follow the menu prompting 6 5 Manual A C service m mBefore connecting service hoses proceed as follows 1 Perform refrigerant identification see chapter 6 3 m mOnly after succ...

Page 22: ...another vehicle with a POE system is to be serviced next a flush routine must be performed to prevent a cross contamination of the oils m mIf the ACX1281 is not flushed the internal hydraulic system...

Page 23: ...purged non condensable gases are routed to the built in ventilation fan and removed from the ACX1281 6 11 System leak test N N The ACX1281 performs a system leak test to check that none of the compon...

Page 24: ...5 5 kg 5003 RECHARGE Charging unsuccessful Check whether the valves of the service quick release couplings are open Check for clogging of service hoses Charge the internal refrigerant cylinder 5004 RE...

Page 25: ...r clogging of service hoses A302 EXTENDED FLUSHING Service timeout Check for clogging of ACX1281 A303 EXTENDED FLUSHING Insufficient refrigerant quantity Charge the internal refrigerant cylinder A304...

Page 26: ...bration Allow any refrigerant in the atmosphere to dissipate before performing air cal ibration Repeat refrigerant analysis D003 Air calibration resulted in low output Move the unit to an area where t...

Page 27: ...rant bottle N N The internal refrigerant bottle is calibrated at the factory 1 Select Maintenance Maintenance Calibration Scale calibration 2 Enter the password 227 3 Select the scale 4 Select O 5 Ent...

Page 28: ...will cause severe burns h h Allow the vacuum pump to cool down h h Wear protective gloves N N The vacuum pump oil must be changed after 60 hours of operation The message Change vacuum pump oil appears...

Page 29: ...er a new filter The contact data can be found on the rating plate m mPay attention to correct positioning of the two O rings when fitting a new filter Fig 16 O Rings Fig 17 Replacing filter 1 Combo fi...

Page 30: ...ht out of the retain ing clip 3 Discard the used filter N N Align the arrow on the filter with the arrow on the unit 4 Position the filter into its retaining clip on the unit case 5 Remove the 4 screw...

Page 31: ...00 4 kg calibrating weight for internal refriger ant bottle 360 82734 00 Calibration check ball 360 82744 00 Inline filter set 10 x 360 81618 00 Service Kit vacuum pump oil o rings inline filter ID fi...

Page 32: ...ACX1281 conforms to the low voltage directive LVD 10 2 Refrigerant identification unit Feature Value Range Refrigerant R1234yf Measurement accuracy 98 5 0 5 Sensor Optical infrared Operating temperat...

Page 33: ...MAHLE Notes 33 en 12 Notes...

Page 34: ...MAHLE 34 ACX1281 Notes en...

Page 35: ...MAHLE Notes 35 en...

Page 36: ...2016 05 06 MSS P N 035 82360 00 REV A Mahle Aftermarket Inc Service Solutions 10 Innovation Drive York PA 17402 USA 717 840 0678 www servicesolutions mahle com...