RHS1280 - MAHLE Service Solutions
Contents
1. Delete values previously entered with C 2 Alter values with input keys 3 Store entries and return with O 4 3 4 Activating deactivating printer workshop info buzzer operator list 1 Select Settings gt gt General settings gt gt System settings 2 Select the menu item printer workshop info buzzer or operator list with f Activate deactivate with 4 Store entries and return with O Activation Description Operator list An operator must be selected or a new operator entered prior to each A C service Workshop data are printed out together with the service print out Workshop info Buzzer An audible alarm additionally sounds in the event of error messages Printer Printer ready for operation 4 3 5 Maximum service data records The RHS1280 stores the service data sets The factory limit value setting for the maximum number of data sets is 400 If the number of stored data sets exceeds the limit service can no longer be performed Further service work is only possible after transferring the data sets to a USB stick Password for resetting the data records is 7123498 1 Select Settings gt gt General settings gt gt Maximum service data records 2 Alter values with input keys 3 Store entries and return with O ITIHHLE MAHLE en 16 RHS1280 Commissioning 4 4 Checking type of connection of external refrigerant bottle Follow the instr2. RHS1280 Original instructions AC Service Units RHS 1280 RTI RTI M 4 en 2 RHS1280 Contents 1 Symbols used 4 1 1 In the documentation 4 1 1 1 Warning notices Structure and meaning 4 1 1 2 Symbols in this documentation 4 1 2 On the product 4 2 Important notes 4 2 1 User group 4 2 2 Agreement 4 2 3 Obligation of contractor 5 2 4 Safety regulations 6 2 4 1 RHS1280 6 2 4 2 Refrigerant identification unit T 2 5 Safety devices 8 3 Product description 8 3 1 Application 8 3 2 Scope of delivery 8 3 3 Description of unit 9 3 3 1 Selection and function keys 10 3 3 2 Input keys 10 3 3 3 Printer 11 3 8 4 Service doors 11 3 3 5 Scales for used oil and refrigerant 12 8 3 6 Service quick release couplings 12 3 3 7 Inline filters 12 3 3 8 Locking caster brakes 12 3 3 9 Power supply cable and switch 12 3 4 Refrigerant identification unit 13 3 4 1 Delivery 13 3 5 Functional description 13 ITIHHLE MAHLE 4 Commissioning 14 4 1 Removing transportation packaging 14 4 2 Attaching handles 14 43 RHS1280 15 4 3 1 Setting language 15 4 3 2 Setting date and time 15 4 3 3 Setting workshop data 15 4 3 4 Activating deactivating printer workshop info buzzer operator list 15 4 3 5 Maximum service data records 15 4 4 Checking type of connection of external refrigerant bottle 16 4 5 Filling internal refrigerant bottle 16 5 A C service preparation 17 6 Operation 18 6
3. e Vacuum phase A vacuum is generated in the vehicle air conditioning system Measurement of the drop in pressure begins as soon as the vacuum has been generated e Charging phase A certain quantity of refrigerant is added to the vehicle air conditioning system Notes RHS1280 31 en 12 Notes ITIHHLE MAHLE MAHLE Aftermarket Inc Service Solutions 10 Innovation Drive York PA 17402 USA 717 840 0678 www servicesolutions mahle com e v N e N LO
4. 1 Changing vacuum pump oil Attention Risk of burns from hot surfaces Contact with the hot surface of the vacuum pump will cause severe burns gt Allow the vacuum pump to cool down gt Wear protective gloves The vacuum pump oil must be changed after 60 hours of operation The message Change vacuum pump oil appears on the screen when the vacuum pump oil needs changing Use the vacuum pump oil specified by RTI part number 360 82946 00 Place a container under the drain Open the drain plug and filler plug of the vacuum pump Drain all the oil Close the drain plug Pour in new vacuum pump oil Fill between minimum and maximum lines Parking service couplers Start a vacuum process 8 Check oil level Or seo Ti ess DD Oil level is accurate when level is midway between full and empty Oil change completed 8 7 2 Resetting oil change interval 1 Select Maintenance gt gt Service Report gt gt Statistics gt gt Vac pump oil life The time since the last oil change is displayed 2 Enter the password 227 3 Store entries and return with O Oil change interval reset Maintenance RHS1280 27 en 8 8 Combo filter 8 8 1 Changing Combo Filter Warning Risk of frostbite from escaping refrigerant Refrigerant causes severe frostbite on the skin gt Check the service hoses for damage gt Firmly connect the service quick release couplings to the s
5. 3 times 6 4 Automatic A C service A Before connecting service hoses proceed as follows 1 Perform a refrigerant identification see chapter 6 3 A Only after successful identification of refrigerant service hoses may begin on the vehicle The contamination of the service hoses on the RHS1280 unit can only be removed by following the decontamination process see Chapter 6 3 2 The contamination of the RHS1280 internal bottle can only be removed by a service provider at additional cost The service parameters vacuum generation time and recharge quantity can be found in the owner s manual or the vehicle repair manual The refrigerant identification unit is incorporated into the service procedure and thus always to be used for A C service 1 Select Vehicle A C service gt gt Automatic A C service 2 Select Direct parameter input alteration of service parameters or From vehicle database or Select last 10 vehicles 3 Follow the menu prompting ITIHHLE MAHLE en 20 RHS1280 Operation 6 5 Manual A C service A Before connecting service hoses proceed as follows 1 Perform a refrigerant identification see chapter 6 3 A Only after successful identification of refrigerant service hoses may be connected to vehicle Contamination of the service hoses on the RHS1280 unit can only be removed by following the decontamination process see Chapter 6 3 2 C
6. a test manual is to be maintained into which specific entries are made MAHLE MAHLE en 6 RHS1280 Symbols used 2 4 Safety regulations 2 4 1 RHS1280 Always carefully study and follow all the safety regulations before using the RTI product Avoid all skin contact with the refrigerant The low boiling point of the refrigerant approx 30 C can lead to frostbite Should refrigerant come into con tact with the skin remove any moistened clothing immediately and rinse the area of skin affected with generous amounts of water Avoid all skin contact with the UV dye Should UV dye come into contact with the skin remove any moistened clothing immediately and rinse the area of skin affected with generous amounts of water e R1234yf is colorless with weak characteristic smell and heavier than air It may flow into repair pits Should refriger ant escape provide for sufficient ventilation particularly in repair pits and leave the workshop e Refrigerant extracted from a vehicle air conditioning system may be contaminated with moisture lubricant dirt and traces of other gases e The RHS1280 is provided with a refrigerant identifica tion system designed to prevent contamination with other refrigerants e If the refrigerant has been contaminated by being mixed with other gases remove the contaminated refrigerant and add fresh R1234yf before using the RHS1280 for A C service e R1234yf is not to be
7. gas supplier It can be stored normally and transported in bottles with connection fittings To ensure a reliable procedure it is advisable to use the optimum quantity of refrigerant The optimum quantity of refrigerant for the RHS1280 is 4kg 9 5kg An inadequate quantity may make efficient filling of the vehicle air conditioning system impossible In the event of an excessive quantity there may not be sufficient space for the refrigerant recovered from the vehicle air conditioning system A Generally speaking the actual quantity of refrigerant added exceeds the set quantity by approximately 200g as there is no refrigerant in the internal refrigerant circuit Add 200g to the set quantity when filling with refrigerant for the first time 1 Select Maintenance gt gt Internal bottle fill 2 Follow the menu prompting The current pressure inside the external refrigerant bottle is indicated on the low pressure gauge Any amount of refrigerant between 100g and 10500g can be added A Do not interrupt the automatic filling process prior to auto matic termination by the RHS1280 Press the i key to check the quantity of refrigerant in the internal refrigerant bottle upon completion of the filling operation 5 A C service preparation Warning Risk of burns from hot engine components Contact with hot engine components will cause severe burns gt Allow the engine to cool down gt Wear protect
8. regulations ITIHHLE MAHLE en 30 RHS1280 Glossary 10 Technical data 10 1 RHS1280 Feature Value Range Dimensions H x W x D 1260 x 605 x 805 mm Weight 127 kg Operating voltage 120 VAC 10 Frequency 50 60 Hz Workplace emission sound pressure lt 70 dB A level as per EN ISO 11204 Refrigerant R1234yf Pressure sensor 0 bar Pressure sensor bar 34 5 bar Pressure sensor bar 10 3 bar Low pressure gauge 1 bar 16 bar 1 High pressure gauge 1 bar 40 bar 1 Capacity of internal refrigerant bottle 10 5 kg Maximum system pressure PS 20 bar Pspec 18 bar Power 900 W Operating temperature 10 C 50 C Optimum R1234YF filling weight 4kg 9 5kg for operation The RHS1280 conforms to the low voltage directive LVD 10 2 Refrigerant identification unit Feature Value Range Refrigerant R1234yf Measurement accuracy 98 5 96 x 0 5 96 Sensor Optical infrared Operating temperature 10 C 50 C 10 3 Electromagnetic compatibility This product complies with the standards EN 61000 6 2 and EN 61000 6 4 MAHLE O MAHLE 11 Glossary e Recovery phase The refrigerant is extracted from the vehicle air conditioning system cleaned and routed into the internal bottle of the RHS1280 The refrigerant oil collected in the process is drained into the used oil bottle at the RHS1280
9. to clear out the RHS1280 hoses when changing oil tyoes The Extended Flushing procedure is used to perform liquid refrigerant flushing on A C system components Fig 14 Flushing adapter 6 8 Draining service hoses 1 Select Maintenance gt gt Hose drain 2 Follow the menu prompting 6 9 Setting service parameters 1 Select Settings gt gt A C service parameters 2 Alter the parameters with the input keys The parameters can be pre set at the start of the corresponding service phase in manual and automatic A C service Manual vehicle A C service Automat vehicle A C service Service parameters 3 E P gt 3 K o 1 G 4 gt 4 Vacuum time x Vacuum hold time x R1234yf refrigerant x x Tab 2 Setting parameters Any used oil recovered during A C service must be dis posed of in accordance with local regulations 6 10 Non condensable gases Purging takes place automatically in the RHS1280 on the basis of a pressure and temperature algorithm The purged non condensable gases are routed to the built in ventilation fan and removed from the RHS1280 6 11 System leak test The RHS1280 performs a system leak test to check that none of the components carrying refrigerant are leaking After 68kg 150lbs of refrigerant has been processed after combo filter replacement or after GO hours of vacuum time the operator is requested to perform
10. warranty information or return the completed card to activate technical support service and warranty coverage Any use of non approved hardware and software will result in a modification to our product and thus to exclusion of any liability and warranty even if the hardware or software has in the meantime been removed or deleted No changes may be made to our products Our products may only be used in combination with original accessories and original service parts Failing to do so will render null and void all warranty claims This product may only be operated using RTI approved op erating systems If the product is operated using an operat ing system other than the approved one then our warranty obligation pursuant to our supply conditions will be rendered null and void Furthermore we will not be held liable for dam age and consequential damage incurred through the use of a non approved operating system 2 3 Obligation of contractor The contractor is obliged to ensure that all measures geared towards the prevention of accidents industrial diseases labor related health risks are taken and measures towards making the workplace fit for people to work in are carried 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 under BGV previously VBG 4 In all other countries the appl
11. 00 360 82954 00 360 82747 00 360 82959 00 360 82755 00 360 82952 00 026 80635 00 360 82956 00 360 82957 00 Protective gloves accessory item 8 15 2 Refrigerant identification unit Description Order number Integrated refrigerant identification unit 360 82944 00 White sample filter 026 80128 00 9 1 Disposal Disposal of electronic parts This product is subject to the European directive 2002 96 EC WEEE Old electrical and electronic devices including cables accessories and batteries must be disposed of separately from household refuse gt Please make use of the return and collection systems operating in your region gt Proper disposal of old devices can help to avoid environmental pollution and health risks 9 2 Disposal of LCD screen Please dispose of the LCD screen in accordance with the local regulations governing the disposal of hazardous waste 9 3 Disposal of refrigerants UV dye lubricants and oils Refrigerants which can no longer be used must be returned to the gas supplier for disposal The lubricants and oils removed from air conditioning systems must be returned to official collection points The UV dye must always be disposed of in accordance with the local regulations governing the disposal of hazardous waste 9 4 Disposal of combo filter Dispose of the filter via official collection points or in accordance with the local
12. 1 Service phases 18 6 2 My database 18 6 3 Refrigerant identification unit 18 6 3 1 Refrigerant analysis 18 6 3 2 Decontamination 19 6 3 3 Refrigerant verification 19 6 4 Automatic A C service 19 6 5 Manual A C service 20 6 6 Automatic manual vehicle A C service overview 20 6 6 1 Recovery 20 6 6 2 Vacuum 20 6 6 3 Charging with refrigerant 20 6 7 Flushing after changing type of oil 21 6 8 Draining service hoses 21 6 9 Setting service parameters 21 6 10 Non condensable gases 21 6 11 System leak test 21 RHS1280 3 en T Troubleshooting 22 7 1 RHS1280 22 7 2 Refrigerant identification unit 24 8 Maintenance 25 8 1 Maintenance interval 25 8 2 Maintenance protocol 25 8 3 Calibration of scales 25 8 3 1 Calibrating internal refrigerant bottle 25 8 3 2 Calibrating used oil bottle scale 25 8 4 Calibration check 25 8 5 Taring of Scales 25 8 6 X Replacing inline filters 26 8 7 Vacuum pump 26 8 7 1 Changing vacuum pump oil 26 8 7 2 Resetting oil change interval 26 8 8 Combo filter 27 8 8 1 Changing Combo Filter 27 8 8 2 Resetting filter replacement interval 28 8 9 Software update 28 8 10 Replacing printer paper 28 8 11 Replacing white sample filter Refrigerant identification unit 28 8 12 Changing the fuse 28 8 13 System information 28 8 14 Service report 28 8 15 Spare and basic replacement parts 29 8 15 1 RHS1280 29 8 15 2 Refrigerant identification unit 29 9 Disposal 29 9 1 Disposal of electronic part
13. 280 13 en 3 4 Refrigerant identification unit The refrigerant identification unit permits precise determination of the type of refrigerant as to prevent cross contamination by other refrigerants A Only after successful identification of refrigerant service hoses may be connected to the vehicle The refrigerant identification unit is incorporated into the service procedure and thus always to be used for A C service 3 4 1 Delivery Fig 10 Refrigerant identification unit delivery 1 Refrigerant identification unit 2 White sample filter 3 5 Functional description The refrigerant recovered from the air conditioning system passes through the combo filter to remove suspended particles and moisture The purpose of the vacuum pump is to generate a vacuum in the air conditioning system and to detect possible leaks in the vehicle air conditioning system Used oil separated from the vehicle refrigerant recovered drains into the used oil bottle Oil removed from the vehicle A C system compressor oil dur ing the recovery process should be manually injected into the A C system prior to recharging the system The vehicle air conditioning system is partly filled with UV dye to facilitate the detection of leaks in the event of dam age to the vehicle air conditioning system The refrigerant in the internal refrigerant bottle i
14. ING Check for clogging of service hoses Charging unsuccessful A302 EXTENDED FLUSHING Check for clogging of RHS1280 Service timeout A303 EXTENDED FLUSHING Charge the internal refrigerant cylinder Insufficient R1234yf quantity A304 EXTENDED FLUSHING Check for leak at part just being flushed Leak detected A305 EXTENDED FLUSHING Check for clogging of RHS1280 Deactivate high pressure A306 EXTENDED FLUSHING Pressure is above 0 6 bar during extraction High pressure in vehicle Perform recovery A307 EXTENDED FLUSHING e Empty used oil bottle Used oil bottle full Reset scales A308 EXTENDED FLUSHING Weight limit reached Reduce quantity of refrigerant in internal Refrigerant cylinder full refrigerant cylinder Check scales e Replace scales A309 EXTENDED FLUSHING Check for clogging of service hoses Charging unsuccessful A701 CALIBRATION CHECK e Attach calibrating weight Weight not attached A702 CALIBRATION CHECK Perform calibration again Failed ITIHHLE MAHLE en 24 RHS1280 Troubleshooting 7 2 Refrigerant identification unit Error code Messages Action D000 Sample NOK Move the unit away from sources of EMF or RFI such as radio transmitters and arc welders Repeat refrigerant analysis D001 Air or gas reading was unstable Move the unit away from sources of EMF or RFI such as radio transmitters and arc welders Repeat refrigerant analysis D002 Air or gas reading was
15. RINTER Check for paper in printer No paper in printer A101 INTERNAL BOTTLE FILL Check for clogging of RHS1280 Time elapsed A103 INTERNAL BOTTLE FILL Weight limit reached Reduce quantity of refrigerant in internal Refrigerant cylinder full refrigerant cylinder Check scales A104 INTERNAL BOTTLE FILL Check whether the valves on the internal refrigerant cylinder are open High pressure shutdown Check for clogging of service hoses A105 INTERNAL BOTTLE FILL Check whether the valves on the external refrigerant cylinder are open Low pressure Check for clogging of service hoses A202 SHORT FLUSHING Check for clogging of RHS1280 Service timeout ITIHHLE MAHLE Error code Messages Troubleshooting RHS1280 23 en Action A203 SHORT FLUSHING Charge the internal refrigerant cylinder Insufficient R1234yf quantity A204 SHORT FLUSHING Repair vehicle air conditioning system or part being flushed Leak detected A205 SHORT FLUSHING Check low pressure valve at internal refrigerant cylinder High pressure shutdown Check for clogging of service hoses A206 SHORT FLUSHING Perform recovery if pressure is above 0 6 bar High pressure in vehicle Generate vacuum if pressure is 0 6 bar A208 SHORT FLUSHING Weight limit reached Refrigerant cylinder full Reduce quantity of refrigerant in internal refrigerant cylinder Check scales A209 SHORT FLUSH
16. The RHS1280 must be constantly monitored when in operation Never leave the RHS1280 unattended when in operation Vehicle A C service using the RHS1280 must be prepared and implemented such that the vehicle air conditioning system circuit does not have to be opened for example by removing the radiator or engine Position the RHS1280 on all four wheels on a flat vibration proof surface so that proper operation of the scales is guaranteed The RHS1280 can be secured in position by locking the caster brake The RHS1280 must always be transported in its operating position Never lay the RHS1280 on its side as oil could then escape from the vacuum pump or the built in com pressor could be damaged There are no additional safety systems for protecting the RHS1280 against damage resulting from natural catastro phes Never remove any components from inside the RHS1280 except for maintenance or repair purposes Follow the pertinent legal regulations or directives to ensure safe handling of pressurized devices We recommend calibrating the scales at least once per year Contact customer service for calibration of the scales The RHS1280 must be subjected to regular maintenance by service personnel or authorized agents to ensure the safety of the unit Disconnect power before performing any maintenance or service to the unit Never perform any maintenance work which is not ex pressly recommended in this manual Contact customer service i
17. a system leak test The operator can conduct a system leak test at any time on completion of a process phase The system leak test takes roughly 30 minutes gt Select Maintenance gt gt System leak test The leak test process is started The following action must be taken if the system leak test is unsuccessful 1 Check the service hoses and filter connections for leaks 2 The valves of the service quick release couplings must be closed 3 Repeat the system leak test Contact customer service if the system leak test is again unsuc cessful ITIHHLE MAHLE en 22 RHS1280 Troubleshooting 7 Troubleshooting Please contact customer service if any of the actions suggested in this Section cannot be implemented 7 1 RHS1280 Error code Messages Action 100A RECOVERY Check A C system and unit for leaks Leak detected 1001 RECOVERY Check inline filters Service timeout 1002 RECOVERY Contact customer service High pressure shutdown 1008 RECOVERY Empty used oil bottle Used oil bottle full Reset scales 1004 RECOVERY Weight limit reached Reduce quantity of refrigerant in internal Internal refrigerant cylinder full refrigerant cylinder Check scales 1005 RECOVERY Check used oil bottle connection Used oil bottle not found 1009 RECOVERY Vacuum creation Low pressure detected in
18. access to the used oil bottle To open the service door at the right left cover remove the two locking screws and take out the service door e ps 1 MM MA mm _ 459897 19 1 Fig 7 Removing service door 1 Locking screws The built in ventilation fan of the RHS1280 remains in operation when the RHS1280 switches to serv ice mode to remove potentially flammable R1234yf refriger ant vapors which may have accumulated in the housing during A C service A Never attempt to operate the RHS1280 without service doors as this would make the working area dangerous The housing of the RHS1280 was designed with a built in ventilation fan to prevent the accumulation of potentially flammable R1234yf refriger ant vapors ITIHHLE MAHLE en 12 RHS1280 Product description 3 3 5 Scales for used oil and refrigerant There are various scales for checking the quantities of refrigerant and used oil A Do not exert excessive force when removing or inserting the used oil bottle as this could damage the scale Used oil bottle To remove the used oil bottle pull the connection Fig 8 upwards slightly and detach the bottle downwards Fig 8 Removing used oil bottle 1 Connection Symbol Description AOS Used oil bottle 3 3 6 Service quick release couplings The service quick release couplings are connected to the service connections of the vehicle air conditionin
19. ch Switches the compressor off if the normal operating pressure is exceeded Safety valve The safety valve opens if the design pressure is exceeded Fuse Interrupts the power supply if overcurrent is applied to the RHS1280 Vents The RHS1280 is provided with vents in the bottom of the housing to ensure the exchange of air even when switched off MAHLE O MAHLE 3 Product description 3 1 Application RHS1280 is suitable for vehicles with a conventional engine as well as for hybrid and electric vehicles The RHS1280 features all the functions required for vehicle A C service The following functions can be implemented e Refrigerant recovery and recharging e Refrigerant conditioning e Vacuum generation e Flushing e Refrigerant identification The RHS1280 can only be operated with R1234yf The RHS1280 is not to be used for service work on vehicles with air conditioning systems employing refrigerants other than R1234yf as this will cause damage Prior to A C service check the type of refrigerant used in the vehicle air conditioning system 3 2 Scope of delivery Handle 2 Handle rubber mount Service hose high pressure Service hose low pressure Quick release coupling high pressure Quick release coupling low pressure Used oil bottle Original instructions Quick manual Roll of paper for printer Adapter external bottle US ACME 0 5 Calibrati
20. d 6 6 1 Recovery The pressure in the vehicle air conditioning system is checked prior to the recovery phase The vacuum phase commences automatically if the air conditioning system is depressurized empty 6 6 2 Vacuum A vacuum is generated and maintained for at least 5 minutes Make sure recovery has been performed before generating the vacuum 6 6 3 Charging with refrigerant Service phases Vacuum Vacuum hold 15 of total charge test fill leak test extraction of test fill pressure increase test vacuum generation and final charging If pressure is detected in the vehicle air conditioning system during charging recovery must be performed in order to continue Operation RHS1280 21 en 6 7 Flushing after changing type of oil A When servicing a vehicle the type of oil in the vehicle s A C system should be noted to prevent a cross contamination inside the RHS1280 If a PAG system is serviced and then another vehicle with a POE system is to be serviced next a flush routine must be performed to prevent cross contami nation of the oils A If the RHS1280 is not flushed the internal hydraulic system and the vehicle air conditioning system could be damaged as a result of cross contamination RTI cannot accept liabil ity for any such damage 1 Select Vehicle A C service gt gt A C system flushing gt gt Short flushing 2 Follow the menu prompting The Short Flushing procedure is used
21. d certified inline with the applicable standards e Before switching off the RHS1280 make sure all charging and drainage operations have been completed This pre vents damage to the unit and reduces the risk of refrigerant escaping into the environment Never use compressed air with R1234yf Certain mixtures of air and R1234yf are highly flammable Such mixtures are a potential hazard and may lead to fire or explosions and thus cause damage or injury ITIHHLE MAHLE De energizing is only to be performed by a qualified electri cian a qualified electrician for specific tasks hybrid or a power systems engineer Work on vehicles with high voltage components is only ever to be performed in a safe de energized condition by persons with the minimum qualification Trained to perform electrical work e Even after deactivating a high voltage vehicle electrical system the high voltage battery may still be live Operating condition cannot be established from any run ning noise as the electric machine is silent when station ary n gear positions P and N the engine or electric motor may start spontaneously depending on the charge of the high voltage battery Never open or damage high voltage batteries On vehicles that have been in an accident never touch high voltage components or exposed high voltage wires before deactivating the high voltage vehicle electrical System Symbols used RHS1280 7 en
22. der the operating unit and lock in posi tion at the securing points The pressure gauges Fig 3 Pos 1 7 of the display and operating unit are used to monitor the pressure during the in dividual vehicle A C service phases The status of the various service phases during maintenance is displayed on the mul ticolor LCD screen Fig 3 Pos 2 The necessary entries are made by way of the input keys Fig 3 Pos 3 on the keypad The selection and function keys Fig 3 Pos 5 on the keypad are used to control the operator interface menu options MAHLE O MAHLE The status and warning light Fig 3 Pos 8 indicates the service status Status and warning Maintenance status light display color Red light Error warning Flashing green Operation in progress Green light Operation completed Attention Operator RTI supplies a USB stick for updating the RHS1280 software If required the USB stick can be inserted in the USB socket to perform updating of the firmware software Refer to Section 8 9 for detailed information on the software updating procedure 3 3 1 Selection and function keys Keys Name Function OK Confirm and store a Function depends on current menu UN Back Back one menu level or cancel Cancel tory Up or down control or gt Right or left control Enter Confirm and store c Delete Deletes character to left of cursor i Information Show current data Switching between
23. e to the identification unit out of warranty e This unit requires connection of the sample fitting to the LP side port of the source vehicle or refrigerant cylinder Con nection of the test hose to the high or liquid port of the source vehicle or refrigerant bottle will result in damage to the unit out of warranty e Inspect the test hose before and after each use of the unit Immediately replace the hose if it appears cracked obstructed or fouled with oil Never use a test hose other than those approved for use with the Identifier Never connect the Identifier to any refrigerant source that exceeds 300 psi pressure MAHLE MAHLE en 8 RHS1280 Product description 2 5 Safety devices Description Function If one of the covers is removed from the RHS1280 all operations are terminated and the RHS1280 is disabled until the removed cover has been re attached to the RHS1280 Housing switch If the service door of the RHS1280 is removed the RHS1280 stops all processes and starts service mode The built in ventila tion fan remains in operation to ensure that any R1234yf vapors which may have accumulated in the RHS1280 housing e g on replacing the dry filter are extracted from the service area Service door switch The RHS1280 contains an air flow sensor which detects whether or not there is a sufficient flow of air in the housing of the RHS1280 Air flow sensor Pressure swit
24. erant bottle R1234yf Quantity in internal refrigerant bottle Used oil Quantity in used oil bottle Tank Temp Temperature internal refrigerant bottle Amb Temp Ambient temperature 8 14 Service report The RHS1280 unit tracks the quantity of refrigerant processed and requests a reset after January 1 of each calendar year To perform this reset the password required is 73738 Disposal RHS1280 29 en 8 15 Spare and basic replacement parts 8 15 1 RHS1280 Order number 360 82739 00 360 82946 00 360 82947 00 360 82948 00 360 82949 00 360 82950 00 360 82951 00 360 82741 00 360 82740 00 Description Replacement combo filter Vacuum pump oil Roll of paper for printer Service hose HP Service hose LP Quick release coupling HP Quick release coupling LP Used oil bottle Service Kit vacuum pump oil o rings inline filter ID filter Operation manual Quick reference guide Adapter external bottle US ACME 0 5 1 kg calibrating weight for used oil calibration 4 kg calibrating weight for internal ref bottle Calibration check ball Inline filter set 10 x High low flush adapter Spare fuses 12 0A 4 x Replacement handle Qty 1 Replacement handle rubber mount set Dust cover accessory item Leak detector R1234yf accessory item Safety goggles accessory item 035 82121 00 035 82122 00 360 82953 00 360 82735 00 360 82734 00 360 82744 00 360 81618
25. ervice hoses iy gt Wear protective goggles gt Wear protective gloves Unit operation is disabled at the end of the filter service life Each filter is marked with a unique code This code must be entered when replacing the filter It is not possible Fig 18 Replacing filter to operate the RHS1280 if the same code is re used It is 1 Nut advisable to keep a supply of filters in stock to avoid down 2 Filter time due to the unit being disabled The RHS1280 is disabled once 68kg 150105 of R1234yf refrigerant have passed through the filter A new filter must be installed and its unique code entered in the RHS1280 before vehicle A C service can be performed The message Filter replacement due appears once 57kg 125lbs of refrigerant have passed through the filter As soon as this warning message is displayed contact cus tomer service to order a new filter The contact data can be found on the rating plate Pay attention to correct positioning of the two O rings when fitting a new filter Fig 19 Location of PIN number on filter 1 Code 1 Drain the service hoses 2 Remove the right service door 3 Loosen the nut using a 1 3 8 35 mm wrench while hold ing the filter Fig 17 O Rings 4 Remove the fi ilter Make sure the old sealing rings are removed before secur ing the new filter 5 Insert a new filter 6 Tighten the filter to 74 f
26. excessively high Prevent refrigerant from flowing into the unit through the sample inlet during air calibration Allow any refrigerant in the atmosphere to dissipate before performing air calibration Repeat refrigerant analysis D003 Air calibration resulted in low output Move the unit to an area where the ambient temperature is within the specified operating range Repeat refrigerant analysis D004 Unit is beyond temperature range Repeat refrigerant analysis D005 Excessive air or little or no sample flow Verify the coupler valve is open Repeat refrigerant analysis Verify the sample filter is not plugged with debris or oil Replace brass sample filter D006 Internal error Retry Operation Contact tech support if problem persists D007 User abort Repeat refrigerant analysis D008 Communication error Check USB connection ITIHHLE MAHLE Maintenance RHS1280 25 en 8 8 1 Maintenance Maintenance interval Description Period Calibration of scales 1 x per year Vacuum pump oil replacement After 60 hours of service and system leak test Inline filter replacement Combo filter replacement and system leak test System leak test White sample filter of refrigerant identification unit Refer to filter drier After 68kg 1501 of refrigerant processed As required As soon as red spots begin to appear on any portion of the white element Neve
27. f components have to be replaced other than in the course of maintenance work RHS1280 must be connected to a properly grounded electrical connection If there is damage to the RHS1280 terminate usage im mediately and contact customer service The service hoses and service quick release couplings must be regularly checked for wear and replaced if dam aged The RHS1280 must be operated in an environment that will provide at least four air changes per hour Observe local laws or directives as to ensure the safety of the pressurized device e For safety reasons it is advisable to use a residual current operated circuit breaker rccb with the following specifica tions Parameters Specification Rated voltage 120 VAC 10 Rated frequency 50 60 Hz Rated current 12 5A Rated tripping current 30 mA Tripping switch C Avoid using an extension cord with the unit If necessary use a good condition three wire grounded 14AWG or larger extension cord of the shortest possible length In addtion the current drawn by all devices connected to the wall socket must not exceed 15 total 2 4 2 Refrigerant identification unit e nspect the outside diameter of the white sample filter ele ment before and after each use of this unit As soon as red spots begin to appear on any portion of the white element outside diameter the filter requires replacement Failure to replace the filter when so indicated may result in damag
28. g system during A C service When not in use the service quick re lease couplings can be connected to the parking couplers To remove the service quick release couplings from the parking coupler Fig 9 Pos 2 press the coupling slightly towards the connection and carefully pull the knurled sec tion back to unfasten it from the parking coupler MAHLE O MAHLE 897 459 9 1 Parking couplers 2 Service quick release coupling Unfastening quick release coupling To connect the coupling position the coupling on the parking coupler pull back the knurled section of the coupling element and press carefully onto the connection 3 3 7 Inline filters The service hoses are connected to the RHS1280 by way of the inline filters The inline filters prevent the ingress of fine particles into the internal hydraulic circuit of the RHS1280 Adapter for connection Filter element Adapter for hoses Sealing ring RON 3 3 8 Locking caster brakes Rolling of the RHS1280 can be prevented by locking the cast er brakes Fig 2 Pos 5 at the rear wheels 3 3 9 Power supply cable and switch The power supply cable is connected to the main power input When not in operation the power supply cable can be coiled up on the cable holder on the back of the RHS1280 The RHS1280 is switched on by moving the main switch in clockwise direction to the vertical position Product description RHS1
29. ger ant Check which refrigerant is used for the vehicle before performing A C service A The RHS1280 cannot be used for air conditioning systems repaired using a chemical sealant These sealants may cause serious damage to the RHS1280 if they are present Detection devices are available to check for chemical sealants Non compliance will void the warranty Never attempt to close the valves of the internal refrigerant bottle while the RHS1280 is in operation A Only new lubricant as specified by the system manufactur er shall be installed in the MAC system Lubricant removed from the system and or equipment shall be disposed of in accordance with the applicable federal state and local procedures and regulations ITIHHLE MAHLE en 18 RHS1280 Operation 6 Operation A Before connecting service hoses proceed as follows 1 Perform refrigerant identification see chapter 6 3 6 1 Service phases e Recovery phase Refrigerant is extracted from the vehi cle cleaned and routed into the internal refrigerant bottle e Vacuum phase A vacuum is generated in the vehicle air conditioning system and the system is checked for leaks e Recharge phase Refrigerant The vehicle air conditioning system is filled with a specified amount of R1234yf refrigerant 6 2 My database Perform the following steps to add a new vehicle to the operator defined direct parameter input database or to make changes or deleti
30. ibration gt gt R1234yf Calibration check 2 Select the scale 3 Attach the calibration check ball to magnet under unit 4 Select O Calibration check completed Getting message calibration check failed calibration check should be performed again and if it still fails a second time a calibration of the internal refrigerant bottle scale should be performed 8 5 Taring of Scales Only applies to Used oil bottle scale 1 Select Maintenance gt gt Maintenance gt gt Calibration gt gt Tare reset Select the used oil scale Attach an empty bottle Select O Tare reset completed RON ITIHHLE MAHLE en 26 RHS1280 Maintenance 8 6 Replacing inline filters The inline filters must always be changed when replacing the filter drier The inline filters consist of a filter element fitted in the hose adapter 1 Adapter for connection 2 Filter element 3 Adapter for hoses 4 Sealing ring 1 Drain the service hoses 2 Disconnect the service hoses from the inline filters Fig 15 Removing adapter 3 Remove the filter element 4 Install the new filter element Fig 16 Installing filter element Make sure the sealing ring is correctly positioned at the adapter and not damaged Replace the sealing ring if it is damaged 5 Screw the inline filter onto the adapter 6 Attach the service hoses to the adapter ITIHHLE MAHLE 8 7 Vacuum pump 8 7
31. icable national regulations acts or decrees are to be adhered to Basic rules The contractor is bound to ensure that all electrical equipment and operating material is set up modified and maintained by skilled electricians only or under the guidance and supervision of a skilled electrician in accordance with electrical engineering principles Furthermore the contractor must ensure that all electrical equipment and operating material is operated in keeping with electrical engineering principles If a piece of electrical equipment or operating material is found to be defective e it does not or no longer complies with electrical engineering principles the contractor must ensure that the fault is rectified immediately and in the event that im minent danger exists also ensure that the electrical equipment or the electrical operating material is not used Tests e The contractor must ensure that all electrical systems and equipment are tested by a qualified electrician or under the guidance of a qualified electrician to ensure they are in proper working order Before starting for the first time After modification or repair before starting for the first time At given intervals Set intervals such as to ensure that faults that can be expected to occur are determined in good time The test is to take the electrical engineering principles relat ing hereto into account Upon request of the trade association
32. ive goggles gt Wear protective gloves Warning Risk of frostbite from escaping refrigerant Refrigerant causes severe frostbite on the skin gt Check the service hoses for damage gt Firmly connect the service quick release couplings to the service hoses gt Wear protective goggles gt Wear protective gloves 9 Perform the following preparatory work prior to vehicle A C service A Service hoses must be constructed of the proper materi als and with lengths as supplied with the unit Hoses must have shutoff devices quick release couplers at the con nection point to the A C to minimize the introduction of air into the RHS1280 and the amount of refrigerant released while disconnecting the hoses A Inspect service hoses for signs of damage prior to performing A C service Use of damaged hoses will result in the loss of refrigerant and the possibility of refrigerant contamination A C service preparation RHS1280 17 en Follow the vehicle manufacturer s recommendations for A C service on vehicles with a low pressure connection only 1 Set the RHS1280 on a flat vibration proof surface 2 Actuate the caster brake to stop the unit from rolling 3 Connect the power supply cable to the power supply 4 Switch on the main switch Follow the manufacturer s instructions for the corresponding vehicle before performing A C service The RHS1280 is only to be operated with R1234yf refri
33. lect Maintenance gt gt Maintenance gt gt Decontamination or process continues automatically after 3 failed identifications Switch off the RHS1280 unit Disconnect power cord from outlet Move unit outside Connect High Low Flushing adapter to low side coupler Pointing the adapter away from unit and person slowly open valve until low pressure gauge shows O bar g 7 Close low side coupler and remove the High Low Flushing adapter Connect High Low Flushing adapter to high side coupler 9 Pointing the adapter away from unit and person slowly open valve until high pressure gauge shows bar g 10 Connect the Low side coupler to the High Low Flushing adapter and open valve 11 Connect power to the unit 12 Switch on the RHS1280 unit 13 Follow the menu prompting oar amp D f getting message High Pressure in System which appears after decontamination process begins pressure has not been relieved from hoses properly Repeat above steps starting at 2 to remove error above Following the Decontamination routine a Refrigerant verification should be performed Fig 13 High Low Flushing Adapter 6 3 3 Refrigerant verification Connect refrigerant identification unit to an external R1234yf bottle with pure R1234yf 1 Select Vehicle A C Service gt gt Refrigerant Identi fication 2 Follow the menu prompting Contact customer service after not passed analysis for
34. n consisting of several steps 2 operation One step Instruction consisting of one step operation Intermediate An instruction produces a visible gt z result intermediate result Final result There is a visible final result on s e completion of the instruction 1 2 On the product A Observe all warning notices on products and ensure they remain legible gt Wear protective gloves ITIHHLE MAHLE gt Wear protective goggles 2 Important notes Before start up connecting and operating RTI products it is absolutely essential that the Original instructions owner s manual and in particular the safety instructions are studied carefully By doing so you can eliminate any uncertainties in handling RTI products and thus associated safety risks upfront something which is in the interests of your own safety and will ultimately help avoid damage to the device When an RTI product is handed over to another person not only the original instruc tions but also the safety instructions and information on its designated use must be handed over to the person 2 1 User group The product should only be used by skilled and instructed personnel only Personnel scheduled to be trained familiarized instructed or to take part in a general training course may only work with the product under the supervision of an experienced person The equipment should not be operated or serviced by any person who has
35. not read all the contents of this manual All work conducted on pressurized equipment may be performed by persons with sufficient knowledge and experience in the field of refrigeration cooling systems and coolants and also be aware of the risks involved in the use of pressurized devices 2 2 Agreement By using the product you agree to the following regulations Copyright Software and data are the property of RTI or its suppliers and protected against copying by copyright laws international agreements and other national legal regulations Copying or selling of data and software or any part thereof is imper missible and punishable in the event of any infringements MAHLE Aftermarket Inc Service Solutions reserves the right to proceed with criminal prosecution and to claim for dam ages Symbols used RHS1280 5 en Liability All data in this program is based where possible on manu facturer and importer details RT does not accept liability for the correctness and completeness of software and data liabil ity for damage caused by faulty software and data is ruled out Whatever the event RTI liability is restricted to the amount for which the customer actually pays for this product This dis claimer of liability does not apply to damages caused by intent or gross negligence on the part of RTI Warranty The RHS1280 includes a Warranty Card in the included documents Visit the website www rtitech com and fill out the
36. number and letter ABC input Current mode is shown at bot 123 tom right of screen Various functions are assigned to the function keys in the RHS1280 software The functions of the keys are defined in the menu line of the RHS1280 software 3 3 2 Input keys The input keys can be used to enter letters numbers and special characters in the input boxes If a key is pressed sev eral times in succession in the input box all the characters which can be used for this are displayed Product description RHS1280 11 en 3 3 3 Printer Service reports can be printed out A Protect thermal printer paper against direct sunlight heat oils greases tanning agents and materials containing plasticizers e g PVC folders Fig 5 1 Cover Printer 3 3 4 Service doors There are three service doors One on the right side one on the left side and one on the front of the housing The service door compartments can be used for storing documentation Tools can be placed on the upper cover The service doors are fitted with contact switches If one of the service hatches is removed the RHS1280 switches automatically to maintenance mode and will not provide A C service functions The RHS1280 returns to the main menu on refitting the service doors The service doors on the side provide access to the vacu um pump the internal refrigerant bottle and the filter drier The service door on the front permits
37. on check ball Inline filters 2 Integrated refrigerant identification unit Flushing adapter Fuses 12 0A Qty 4 2 installed in unit 2 spare 7 May be included in delivery depending on the version ordered 3 3 Description of unit Fig 1 Front view Handle Display and operating unit RHS1280 housing Service door document holder Service hose High pressure quick release coupling Low pressure quick release coupling Front wheel Service door for used oil 10 High and low pressure connections 11 Main switch CG ND Product description RHS1280 9 en Fig 2 Back view 1 2 3 4 5 6 7 8 9 Mount for display and operating unit Service door document holder Vacuum pump oil filler inlet Vacuum pump oil drain Rear wheel with locking caster brake Power supply cable inlet Fan Refrigerant Identifier Power supply cable holder ITIHHLE MAHLE en 10 RHS1280 Product description Fig 3 High pressure gauge LCD Input keys USB socket Selection and function keys Printer Low pressure gauge Status and warning light Display and operating unit 1 2 3 4 5 6 7 8 The display and operating unit can be raised lowered and locked in three different positions Fig 4 Raising display and operating unit Pull the mount from un
38. ons Select Settings gt gt My database Select vehicle with f Press Alter values with input keys Store entries and return with O cR ND MAHLE O MAHLE 6 3 Refrigerant identification unit 6 3 1 Refrigerant analysis Oil contamination will damage the refrigerant identification unit If the refrigerant sample is supplied to the unit from the recycling equipment directly it must be protected from oil that comes from vehicles or accumulate in service hoses A The operator must periodically examine test hose and white sample filter for oil contamination and stop immediately if any oil is observed The gas pressure should be between 1 7 16 bar Accurate gas analysis can be achieved with less than 1 7 bar but additional time must be provided In this case start the flow of gas and then wait for 20 seconds before instructing the refrigerant identification unit to test the gas 1 Switch on the RHS1280 2 Select Vehicle A C Service gt gt Refrigerant identification 8 Follow menu prompting of RHS1280 Getting message Sample not OK check for contamination of the test hose then repeat procedure up to 2 times Getting message Sample not OK for three times a refrigerant verification must be performed Operation RHS1280 19 en 6 3 2 Decontamination Perform the following steps to remove contaminated refrig erant from the service hoses and couplers 1 Se
39. ontamination of the RHS1280 internal bottle can only be removed by a service provider at additional cost The service parameters vacuum generation time and recharge quantity can be found in the owner s manual or the vehicle repair manual The refrigerant identification unit is incorporated into the service procedure and thus always to be used for A C service 1 Select Vehicle A C service gt gt Manual A C service 2 Follow the menu prompting All service phases can be implemented manually with the RHS1280 R1234yf can only be added to an air conditioning system in which there is a vacuum The vacuum phase must there fore be implemented before filling with R1234yf MAHLE O MAHLE Automatic manual vehicle A C service overview Manual mode Automatic mode Phases gt gt 5 ES Ea 1 c gt A Checking of air i x conditioner pressure Extraction of refrigerant x x Separation of oil from x refrigerant Formation of vacuum Maintenance of vacuum Addition of refrigerant x E X test quantity 1596 of total Extraction of refrigerant x _ x test quantity 1596 of total Implementation of x T x leak test Pressure increase test x x Drainage of oil into T X E n used oil bottle Pressure build up x Recharging refrigerant x Tab 1 Automatic manual mode overview x is implemente
40. r left corner of the screen 8 10 Replacing printer paper A Avoid excessive force as not to damage the lever 1 Pull the printer lever until the cover is released 2 Change the roll of paper 3 Close the cover 8 11 Replacing white sample filter Refrigerant identification unit The need to replace the white sample filter may indicate oil contamination in the test hose Replace the test hose if oil entrapment is found 1 Switch off the RHS1280 unit 2 Remove existing filter by pulling it straight out of the retain ing clip 3 Discard the used filter 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 left side pocket and inspect the test hose for signs of oil ITIHHLE MAHLE 8 12 Changing the fuse 1 Switch off the RHS1280 2 Remove the power supply cable 3 Remove the fuse holder with a suitable tool from the cable receptacle 4 Change faulty fuses 5 Reinstall the fuse holder in the cable receptacle gt 4 1 Fig 20 Changing the fuse 8 13 System information The following items of system information can be displayed when pressing the key Display Description PSA Pressure sensor accumulator PSV Pressure sensor vacuum service hoses PST Pressure sensor internal refrig
41. r perform any maintenance work which is not expressly recommended in this Section Contact customer service if components have to be replaced other than in the course of maintenance work 8 2 Maintenance protocol The RHS1280 stores various protocols which can be printed out Last 3 system service reports Self test report R1234yf report Error report Statistics a Select Maintenance gt gt Service report Select protocol with t and Print protocol on 8 3 Calibration of scales 8 3 1 Calibrating internal refrigerant bottle The internal refrigerant bottle is calibrated at the factory a Select Maintenance gt gt Maintenance gt gt Calibration gt gt Scale calibration Enter the password 227 Select the R1234yf scale Select O Enter the weight when prompted Attach the calibrating weight 7 Select O Calibration completed 8 Select O 9 Remove the calibrating weight Oak WON 8 3 2 Calibrating used oil bottle scale 1 Select Maintenance gt gt Maintenance gt gt Calibration gt gt Scale Calibration Enter the password 227 Select the Used oil scale Remove the bottle Select O Attach the calibrating weight to the scales selected Enter the weight Select O Calibration completed LONDYN 8 4 Calibration check Only internal refrigerant bottle 1 Select Maintenance gt gt Maintenance gt gt Cal
42. s 29 9 2 Disposal of LCD screen 29 9 3 Disposal of refrigerants UV dye lubricants and oils 29 9 4 Disposal of combo filter 29 10 Technical data 30 10 1 RHS1280 30 10 2 Refrigerant identification unit 30 10 3 Electromagnetic compatibility 30 11 Glossary 30 12 Notes 31 ITIHHLE MAHLE en 4 RHS1280 Symbols used 1 Symbols used 1 1 In the documentation 1 1 1 Warning notices Structure and meaning Warning notices warn of dangers to the user or people in the vicinity Warning notices also indicate the consequences of the hazard as well as preventive action Warning notices have the following structure KEY WORD Nature and source of hazard Consequences of hazard in the event of fail ure to observe action and information given gt Hazard prevention action and information Warning symbol The key word indicates the likelihood of occurrence and the severity of the hazard in the event of non observance Key word Probability of occurrence Severity of danger if instructions not observed DANGER Immediate impending Death or severe injury danger WARNING Possible impending Death or severe injury danger CAUTION Possible dangerous Minor injury situation 1 1 2 Symbols in this documentation Symbol Designation Explanation A Attention Warns about possible property damage Information Practical hints and other useful information N Multi step Instructio
43. s used for filling the vehicle air conditioning system The purging unit for the non condensable gases consisting of a temperature sensor pressure sensor solenoid and orifice always takes effect when the internal refrigerant bottle pres sure is higher than the saturation pressure Refrigerant identification is a menu driven process implement ed by a refrigerant identification unit which is actuated by way of a USB connecting cable ITIHHLE MAHLE en 14 RHS1280 Commissioning 4 Commissioning 4 2 Attaching handles 1 Take the handles out of the packaging All the operations described in Section 4 must be 2 Attach the rubber mounts Fig 11 Pos 1 performed prior to first A C service 3 Insert the end of the handle in the rubber mount 4 1 Removing transportation packaging When removing the packaging surrounding the refrigerant bottle make sure the hoses of the internal refrigerant bottle do not come into contact with the housing or filter drier Remove the cardboard box Remove the parts under the RHS1280 Remove the RHS1280 from the packaging pallet Remove the right side access hatch and remove and dis card the foam isolation material PON gt Do not unplug any electrical connections and only have internal components opened and repaired by trained cus tomer service personnel Fig 11 Inserting handle in rubber mount Contact customer service in the event of any
44. t lbs 100 N m 7 Secure the service door AA Take care not to damage any hoses or electrical connections when changing the filter A Never re use an old filter ITIHHLE MAHLE en 28 RHS1280 Maintenance 8 8 2 Resetting filter replacement interval 1 Select Maintenance gt gt Service Report gt gt Statistics gt gt Filter Drier Life 2 Enter the 16 position PIN number of the new filter 3 Store entries and return with O The leak test process is started 8 9 Software update The firmware software can be updated by way of a USB stick The scales must be recalibrated after a firmware update 1 While powering on the RHS1280 unit press and hold the 8 key Release key when the display shows Firmware Update in the lower left corner 2 When the Firmware update screen loads it will ask the user to Please insert Update Disk 3 Insert USB disk into lower right hand corner of the control panel After a few moments the screen will change and instruct the user to press the A key to update the unit 4 Once user presses the A key the screen will have a sta tus bar that appears at the bottom as the software loads This process can take serveral minutes 5 After completion the unit will confirm the update has completed At this time remove the USB drive and turn off power to the unit 6 The next time the unit is turned on it should display the new software version in the lowe
45. transportation 1 Rubber mount damage e g oil leakage 4 Position the flange at the other end of the handle over the chassis bolt holes Fig 12 Positioning handle on chassis 1 Flange 5 Bolt the handle to the flange 6 Attach the second handle in the same manner ITIHHLE MAHLE Commissioning RHS1280 15 en 4 3 RHS1280 The RHS1280 is designed for 120 VAC 10 50 60 Hz Follow the information on the RHS1280 rating plate k Set the RHS1280 on a flat vibration proof surface Actuate the caster brake to stop the RHS1280 from rolling Connect the power cable to the power outlet Switch on the power switch c The self test starts automatically The start screen appears following successful completion of the self test c The fan is switched on N Po The fan runs while the RHS1280 is switched on Main Menu Selection Vehicle A C Service Maintenance Settings TO 4 3 1 Setting language 1 Select Settings gt gt General settings gt gt Language 2 Select language with 4 3 Store entries with O 4 3 2 Setting date and time 1 Select Settings gt gt General settings gt gt Date and time Alter values with input keys Move to next value with gt Store entries and return with O PON 4 3 3 Setting workshop data 1 Select Settings gt gt General settings gt gt Workshop data A maximum of 30 characters can be entered
46. uctions below for filling the internal refrigerant bottle Refrigerant bottle with one valve Always turn the external refrigerant bottle upside down when filling the internal refrigerant bottle Refrigerant bottle with two valves Use the adapter set to connect the service hose LP to the external refrigerant bottle In doing so turn the external refrigerant bottle such that the connections are facing upwards A The internal refrigerant bottle should only be replaced if it is severely damaged The internal refrigerant bottle must always be filled using an external refrigerant bottle A During filling the external refrigerant bottle must be firmly positioned and the operator must ensure that the service hoses are safely routed to avoid the danger of the external refrigerant bottle falling over MAHLE O MAHLE 4 5 Filling internal refrigerant bottle Warning Risk of frostbite from A escaping refrigerant Refrigerant causes severe frostbite on the skin de gt Check the service hoses for damage gt Firmly connect the service quick release couplings to the service hoses gt Wear protective goggles gt Wear protective gloves Before the RHS1280 can be used the internal refrigerant bottle must be filled with liquid refrigerant Use only R1234yf refrigerant A menu driven refrigerant check is performed before filling the internal refrigerant bottle The refrigerant can be obtained from your
47. used in areas in which there is a danger of explosion Fire open flames and smoking are prohibited Welding and soldering are not permitted e The RHS1280 unit should not be exposed to excess mois ture or be operated in wet areas e High temperatures and UV radiation may chemically sepa rate R1234yf The resultant products can cause coughing and nausea e R1234yf is not to be mixed with other refrigerants The mixing of refrigerants could damage the vehicle air condi tioning system Never inhale refrigerant dye and oil vapors Avoid breathing refrigerant or lubricant vapor as the vapors can irritate the eyes nose and respiratory system If liquid refrigerant or UV dye comes into contact with the eyes rinse them thoroughly with water for 15 minutes Then obtain medical atten tion even if no pain is felt Ventilate work area if accidental discharge occurs If high voltage components or high voltage wires are handled incorrectly there is a risk of fatal injury from high voltage and the possible transmission of current through the body Never swallow UV dye Should it be swallowed inadvert ently never attempt to induce vomiting Drink generous amounts of water and obtain medical attention e Before connecting the RHS1280 to a vehicle air condition ing system or an external refrigerant bottle make sure the quick release couplings are not leaking Only ever use external refrigerant bottles provided with safety valves an
48. vehicle 2001 VACUUM CREATION Perform recovery process High pressure detected in vehicle 2002 VACUUM CREATION Use a UV lamp to search for leaks in the vehicle Leak detected air conditioning system 2003 VACUUM CREATION Check for clogging of service hoses Service timeout Check scales 5001 R1234yf CHARGING Check for clogging of RHS1280 Service timeout Check whether the valves of the quick release couplings are open 5002 R1234yf CHARGING Perform Internal bottle fill process Insufficient R1234yf quantity Optimum quantity of R1234yf is 4 kg 9 5 kg 5003 R1234yf CHARGING Check whether the valves of the service quick release couplings Charging unsuccessful are open Check for clogging of service hoses Charge the internal refrigerant cylinder 5004 R1234yf CHARGING Check whether the valves on the internal refrigerant cylinder are open High pressure shutdown Check for clogging of service hoses 5005 R1234yf CHARGING Weight limit reached Reduce quantity of refrigerant in internal Refrigerant cylinder full refrigerant cylinder Check scales 5006 R1234yf CHARGING Perform recovery process High pressure in vehicle Perform recovery 9102 FACTORY SETTING Complete all vehicle information Not completed 9201 SYSTEM ERROR Check whether USB stick is connected to USB connection No USB detected 9300 SELF TEST UNSUCCESSFUL View details View detail Take corrective action to rectify error 9600 P
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