Welcome to Aircon -2 User Manual
Contents
1. fan shall be on F1 by default That s it your all set enjoy you new toy If you have any further clarifications or need advice feel free to contact me mastero76 hotmail com I shall answer A S A P or you can catch me on MSN messenger Thankyou Mastero2. Welcome to Aircon ver 2 User Manual Thank you for purchasing Aircon 2 below you will find information which will help you to set your Aircon unit for your vehicle Aircon works with a combination of hardware and software DISPLAY WIRING DETAILS HARDWARE The Aircon main unit pictured above is designed specially taking inconsideration the vehicle environment The unit works directly from unregulated 12vdc connected at point A POSITIVE B NEGATIVE The Unit is polarity protected for better safety POWER CONNECTION The unit has four fan speed connections C LOW D MED LOW E MED F HI To connect the fan speed you will have to find the four wires which controls your fan speed The unit sends 12v going directly from the car battery to the fan Then you have to connect the cooling compressor the heart of any HVAC to the point G of the unit and don t forget the dyer bottle switch the see above for reference The unit sends 12v going directly from the car battery to the comperssor Connect heavy 12vdc to Point H this line has to be active 24 7 There are two connectors on board the unit one is used for the display and for the PC link via serial port The display cable can be built with any 9 core cable the end connectors have been supplied in your kit The PCB of the unit and display have pins with numbers match the numbers while building your cable 1 to 1 2 to 2 so on connect it to point I of the unit The pc
3. e remote is not supplied with the unit I am working on one when ready will be shipped free of cost to all who has bought the kit LED Yellow LED indicates the unit has power Green LED indicates the cooling process is on Red LED is for the remote feature when blinks mean wrong signal is received and when the led is on and not blinking during press of a button on the remote indicates right signal is received Well that s it for the hardware part SOFTWARE FAN POSITION VENT POSITION EXT cS MODE Litt a The software is very simple and made in Vb6 the software has the following buttons The system goes on as soon as you open the software by default the fan shall be on 1 Fan Controls the fan speed when pressed the fan speed moves from low med low med high When the AC button is on it moves to Auto AC Switches on and off the cooling compressor Green led glows on the unit when the a c is activated The fan shall go to the Auto mode only when this button is on OFF This is the exit button You re a c system shall just go off and the software shall exit EXT Pressing this button will display the external temp on the LED display for 2sec and will go back to displaying the internal temp RECIRCULATION Controls the re circulation servo or on off MODE Controls the vent positions each press shall change the position and display the current position IMP when pressing the mode button be gentle giv
4. e the servo time to complete its movement before moving it to another position Or if you have chosen not to use the servo then it will do the on off thing REAR DEFROST Simple on and off HEAT DOWN Shall move the heat servo to one step lower from the current position If already in the lowest position then nothing happens Or if you have chosen not to use the servo then it will do the on off thing HEAT UP Shall move the heat servo to one step higher from the current position If already in the highest position then nothing happens Or if you have chosen not to use the servo then it will do the on off thing TEMP DOWN Changes the preset compressor cutoff temp when pressed the display will show the preset temp and shall move one deg lower min 6deg TEMP UP Changes the preset compressor cutoff temp when pressed the display will show the preset temp and shall move one deg higher max 30deg The unit once set to cutoff at a certain temp will cool the vehicle to one degree less than that and cutoff the compressor then when the temp goes up one deg will start the compressor again INSTALLATION PROCEDURE After you have connected the unit to power and serial as shown in Figure 1 When the unit receives power on the points A and B it shall power up and power down immediately Open the Aircon software unit will power on automatically and the display will show the current temp read on the internal temp if your cables are done fine Your
5. f cold and hot air The heat servo does not control the compressor cut off this is a limitation Now if you don t want to use a servo and use simple on off then there are these NINE outputs which can also be controlled when you have not checked USESERVO in the settings section as shown above When the servos are not used then the following output pins are configured when you change the vent location or heat or re circulation Say if you want to use both output and servo Yes it can be done Just modify the software and send the following codes to the unit All the nine outputs are ground Recirculation output OUTPUT 1 OUTPUT 9 When the following command is sent the unit works like this DIP output 9 goes high DOP output 9 goes low D2P output 9 goes high then within 1 2 second goes low EIP output 1 goes high EOP output 1 goes low E2P output 1 goes high then within 1 2 second goes low AIRCON uses this combination it can be changed if you know to work with VB D3P output 9 goes low and output 1 goes high re circulation is on D4P output 1 goes low and output 9 goes high re circulation is off Vent output OUTPUT 2 OUTPUT 3 OUTPUT 4 OUTPUT 5 OUTPUT 6 When the following command is sent the unit works like this FIP output 2 goes high FOP output 2 goes low F2P output 2 goes high then within 1 2 second goes low GIP output 3 goes high GOP output 3 goes low G2P output 3 goes high the
6. link can be done with only three wires for TX RX and Ground After you have made the cable connect one end to point J of the unit and the other end to the PC serial port The Unit PCB has numbers 2 3 and 5 this is exactly how you should connect your PC to the unit via serial cable Pin 2 to Pin 2 Pin 3 to Pin 3 and Pin 5 to Pin 5 The POINT K is an aux point used for rear wind screen defrost This point has 12v when on from the software So depending on your vehicle you will have to set it up LAW LED EXTERNAL TEMP SENSOR The Unit has two Temp sensors for External and Internal temp reading The Internal temp sensor should be place anywhere close to the intake of the blower unit so the cabin temp can be read The external sensor can be placed anywhere you feel you can read the external atmosphere temp DO NOT place it in the engine compartment You will have to make your own temp sensor cable with just three wires Once you have tested the LM35 on the unit board Do not make the cable more than 2m long SERVO There are three servo connection point L M N any 5 volt servo can be used with this unit SER1 CIRCULATION SER2 VENT MODE SER3 HEAT QWTPUT 9 8 F E r F p i p aa CENTER PIN IS 5vDC All servos can move 0 180 deg You will have to find the flaps where you want to install these servos All cars I have seen till now have got some kind of flap which controls the airflow fo
7. n within 1 2 second goes low HIP output 4 goes high HOP output 4 goes low H2P output 4 goes high then within 1 2 second goes low IP output 5 goes high IOP output 5 goes low PP output 5 goes high then within 1 2 second goes low JIP output 6 goes high JOP output 6 goes low J2P output 6 goes high then within 1 2 second goes low AIRCON uses this combination it can be changed if you know to work with VB F3P output 6 goes HIGH and output 2 3 4 5 goes LOW FACE F4P output 5 goes HIGH and output 2 3 4 6 goes LOW FACE_FEET F5P output 4 goes HIGH and output 2 3 5 6 goes LOW FEET F6P output 3 goes HIGH and output 2 4 5 6 goes LOW FEET_WS FIP output 2 goes HIGH and output 3 4 5 6 goes LOW WS Heat output OUTPUT 7 OUTPUT 8 KIP output 7 goes high KOP output 7 goes low K2P output 7 goes high then within 1 2 second goes low LIP output 8 goes high LOP output 8 goes low L2P output 8 goes high then within 1 2 second goes low AIRCON uses this combination it can be changed if you know to work with VB K2P output 7 goes HIGH then LOW after 1 2 sec L2P output 8 goes HIGH then LOW after sec REMOTE CONTROLLER The unit also works with any RCS protocol remote control Like the Phillips and JVC remotes the numbers 1 8 controls the following Fan Mode Aux on off Ext temp Temp up Temp dn Check cutoff temp Comp on off On off OADNFWNR I Th
8. r the vent locations re circulation and for the heat Once you have placed your servo check for the movement move the servo by hand and see if it s doing its work Once you have accomplished this open the setting program in the software section and move each servo to its desired position and save the position so the software know which servo position is for what purpose Climate Control Settings Com Port Full Screen J USE YENT SERVO iv X Auto Switch Skin M USE TEMP SERYO T Show Mouse V USECIRCUSERVO T Min Yalue Max yent Servo l gt 500 TEST Temp Servo gt 500 TEST CIRCU Servo gt 500 254 TEST Set Vent Locations Set Temp Locations Face Assign 1 Assign Assgi Face Feet 3 i000 Assign 4 0 Assign Feet ssign Feet WS oni Assign a 50 Assign 5 P340 Assign Set Circulation Locations windecrean Assign IN Assign OUT Assign SETTING The Vent location servo has five positions in its 180 deg face face_feet feet feet_WS WS If you have any more options in your OEM setup then this is the limitation The Re circulation servo has only two Position in its 180 deg In Out The Heat servo has five positions 1 2 3 4 5 this is so for people who live in cold weather and need the heat so you can set the ac cutoff temp say to 24 and add some hot air by moving the heat servo to point 2 then the air flow on the vents will have a mixture o
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