Denso Kheos, Instruction Booklet

Page 1: ...P N 4018850 Carefully read this use and maintenance manual before using the unit DENSO THERMAL SYSTEMS S p A Frazione Masio 24 10046 Poirino TO Tel 39 011 97 18 223 Fax 39 011 97 18 203 www denso ts com e mail servizio clienti denso ts it ...

Page 2: ...EN ...

Page 3: ...ed if the equipment is found to have been improperly used or tampered with by people not authorized by us or if nonconforming components or techniques have been used Declaration of Conformity______________________________________ Directive EEC 2006 42 Machine Directive Directive EEC 2004 108 Low voltage directive Directive EEC 2006 95 Electromagnetic compatibility directive PED European Directive ...

Page 4: ...ta explicitly required by the Directive it may however be subject to changes in appearance for commercial reasons CTR S R L via T ed E Manzini 9 43126 PARMA ITALY MADE IN ITALY Model KHEOS Voltage Serial N Adsorption A Absorbed power W Max pressure Min Temperature Max temperature Refrigerant R134a Year of manufacture Risk category under 97 23 CE I This label is merely indicative The complete data ...

Page 5: ...5 2 Operating phases 13 5 3 Use 14 5 4 S automatic operation 15 5 5 Recovery operation 16 5 6 Vacuum operation 18 5 7 Charge to vehicle operation 18 5 7 1 Oil UV tracer recharge 19 5 8 Pipe drainage procedure 20 5 9 Refrigerant topping up 21 5 10 Recharge cylinder operation 21 5 11 A C system flushing 22 6 Service menu 22 6 1 Operator service menu 22 6 2 Technical staff service menu 23 7 Refrigera...

Page 6: ...t gas recovery compressor 3 One anti acid recovery filter and a new concept dehydrator with reduced environmental impact featuring low cost and ease of replacement 4 Input gas distiller with automatic flow regulator for separated oil and refrigerant coming from the A C system with oil discharge 5 Oil separator located directly behind the compressor with automatic return during the recovery cycle 6...

Page 7: ...ill the internal cylinder and is controlled by an electronic process Semi automatic cycle performs the sequence of all the operations required to restore the system to the correct levels of refrigerant and oil without operator intervention Do not use the unit for purposes other than those for which it was designed When scrapping the machine you must comply with current regulations in force locally...

Page 8: ...16 Max operating temperature C 50 Min operating temperature C 5 Maximum pneumatic circuit pressure bar 16 For the connection voltage value instructions are provided on the label on the unit The sound pressure value measured is less than 70 dBA therefore the operator does not need to take any particular protection measure even in case of continuous use ISO 3746 Nonetheless the employer is responsib...

Page 9: ...here is adequate ventilation Operate and store the unit in a dry place protected from the weather in general avoid harsh environmental conditions For correct use of the unit read through the essential safety rules for the operator contained in this manual Wear safety gloves and goggles Do not expose to rain or direct sunlight Before you use the unit read the car s operation and maintenance manual ...

Page 10: ...mply with the regulations for pressurised containers The refrigerant storage container must NEVER be filled to over 80 its total capacity to prevent drops in efficien cy During operation check fill level of oil containers and ensure they are not overfilled to prevent sudden drops in efficiency Do not use these containers with different types of materials Live parts EMERGENCY PUSH BUTTON POWER SOCK...

Page 11: ...s to the one indicated on the label on the rear of the unit In the event of damage you must contact our Technical Service Department If the power plug needs to be replaced contact our Technical Service Department do not replace the plug unless you have first obtained written permission by our competent department Failure to comply with the above requirement will relieve DENSO of any responsibility...

Page 12: ...cylinder retainer The mechanical retainer is designed to prevent involuntary movements of the refrigerant s scale Press all the way down to block the cylinder figure 1 Pull all the way to release the retainer Do not rotate figure 2 This high precision mechanical system retains the cylinder lif ting its weight of the scale When this mechanism is in place the electronics will prevent all operations ...

Page 13: ... the operator must follow to obtain optimal results in perfectly safe conditions distinguishing between manual and automatic operation To check that the unit is operating correctly an intelligent control device has been provided to signal faults and warn the operator by means of error messages An acoustic warning at the beginning of an operation indicates that the function entered has started in t...

Page 14: ...power supply Enable the red mushroom button positioned on the control panel by turning it slightly to the right Hold the red ESC button pressed down for 2 seconds to turn the unit on and off To cut the power to the unit press the mushroom button and cut the power to the disconnection switch electrical socket of the unit If the printer light is on and the rear electric fan is working it means that ...

Page 15: ...A C system Open the HP and LP valves or if there is only one service point open the corresponding valve Select S AUTOMATIC with the e buttons Press OK to start the cycle Move in the database using the up and down arrows to select the required model and press the OK button To go back press the ESC button for 2 sec Select the brand Fig 1 select the model Fig 2 select the equipment Fig 3 view the qua...

Page 16: ... an item set the value to zero 5 5 RECOVERY operation RECOVERY operation With this function the system draws all of the refrigerant from the system and makes it reusable by means of a complete filtering and distillation process The cycle can be permormed in two ways 1 Total recovery AUTO cycle 2 Partial recovery cycle g to recover Executing total recovery AUTO cycle Connect the high and low pressu...

Page 17: ...raw and weight the actual grams 5g of refrigerant removed from the car and fed into the cylinder without any residues in the unit Connect the low pressure pipe to the A C system Open the LP valve Select RECOVERY with the and buttons Press OK the display will read AUTO use the and buttons to select only the grams to be recovered To start the recovery cycle press OK During this operation the display...

Page 18: ...e saved When the set time has elapsed out a leak test is run for 5 min and the progress bar shows the remaining time If a leak is detected 0 75 bar the System leak error message is shown on the display followed by an acoustic signal When the cycle has been completed the display read db difference expressed in mBar of the vacuum lost during the leak test To exit press ESC for 2 sec When you exit th...

Page 19: ...lling will not be performed When the vacuum is low the cycle may be started but then it will be locked when the pressure difference levels out Move the cursor to Start cycle and press OK to start the operation If conditions permit the system will perform the cycle and display all the current phases with values and text messages GasC indicates the quantity of gas remaining to be charged and the tim...

Page 20: ...rs as much as possible to reduce the entry of humid air from the outside 5 8 Pipe draining procedure 1 When the procedure has been completed keep the high and low pressure pipes connected close the HP and LP valves start the vehicle s engine and wait a few minutes for the A C system to reach full power 2 If there is only one service point close the HP or LP valve used and disconnect the pipe from ...

Page 21: ...ys flow out in the liquid state Open the cylinder and HP valve Select Recharge cylinder using the and buttons Press OK to start the cycle The display shows Estimated charge quantity of refrigerant in grams required to completely fill the cylinder with 200g approximation You can also change the maximum filling value as desired using the Customisation function in the SERVICE men or reduce the estima...

Page 22: ...f The basic settings enable immediate operation of the unit in every phase This menu includes all the functions needed to use and customise the unit to best suit your needs Use the and buttons to select SERVICE in the main menu then press OK Pressure in cylinder 7 Bar This function is used to increase cylinder pressure through a combination of operations Close the HP and LP valves then press OK to...

Page 23: ... to the previous character and change it To save the data keep the flashing cursor at the end of the text and press ESC Print report If the optional printer is connected set electronic control to YES 6 2 Service menu for Technical staff This section of the menu is reserved to technical staff authorized by DENSO Specialized technician person trained and authorized by DENSO to perform technical proc...

Page 24: ...ed correctly press ESC to return to the main menu Block the cylinder with the mechanical retainer and secure the cylinder to the scale with the nuts you previously removed Press calibration This function allows you to calibrate the pressure sensor The display will read Enter atmospheric pressure remove high and low pressure pipes open the HP LP valves press OK to confirm and ESC to exit When the p...

Page 25: ...r each time the Replace filter message is displayed Use only dedicated original spare parts There are no compatible filters on the market The Replace filters message warns you when the filters need to be replaced but does not in any way lock unit operation If you ignore the Replace filters message and continue using the unit you may irreparably compromise proper functioning of the unit and invalid...

Page 26: ...y and a long life in normal operating conditions When the service message Change vacuum pump oil is displayed proceed as follows When topping up or changing the oil in the vacuum pump use specific oil for vacuum pumps Use specific oil for high vacuum pumps available through the commercial network of DENSO To top up see figure unscrew the bleeding cap A and pour in oil up to the halfway mark on the...

Page 27: ... low boiling temperature may cause burns Mechanical cylinder retainer system Pressed on Released offo 10 SD card database update The vehicle database resides on the removable SD card housed in the circuit board of the unit This operation must be carried out only by a specialized technician person trained and authorized by DENSO to perform technical procedures Contact your local dealer 11 Printer O...

Page 28: ...E ERROR Slow Out of paper Fast Print head overheating Incorrect supply voltage To change the paper roll proceed as follows 1 Open the printer cover by pressing the OPEN button see Fig 1 13 2 Position the paper roll in the compartment respecting the rotation direction indicated see Fig 1 14 3 Pull the paper until it comes out of the compartment and close the cover see Fig 1 15 The cover locks 4 Tea...

Page 29: ...ator 2 Operator 3 Specialized technician Unit not recovering 1 Fuse blown 2 Recovery compressor damaged 1 Check fuse in recovery compres sor solenoid valve on circuit board 2 Replace compressor 1 Specialized technician 2 Specialized technician Vacuum pump not working 1 Gas in the circuit 2 No power to pump 3 Vacuum pump damaged 1 Perform a recovery phase 2 Check power supply and fuses 3 Replace th...

Page 30: ...ntegrity of system and connection pipes E5 Leak presence during vacuum control Use leak detection system repeat vacuum and recharge A C system E6 Insufficient quantity of refrigerant in cylinder Fill unit with external cylinder using Cylinder recharge operation E7 Refrigerant charge time expired Repeat recovery vacuum and gas charge If needed increase cylinder pressure with Cylinder pressure 7 Bar...

Page 31: ...Instruction Booklet 31 ENGLISH KHEOS EN ...