compressor checker
Contents
1. UPDATER possibility upgrade the modules or programs for INVERTER CHECKER CHECKER viewer display all saved data from testing procedures After the installation are on your desktop also created a following data manuals English Czech CHECKER data folder for saved files from testing ATTENTION e Whenever you connect the logger either during testing or monitoring then on the SD card is created a file matching a given date see picture below it means July 23 2013 e And also it should be remembered that if the logger is used a several times in one day all the data are always saved together into a same file but displayable in the checker viewer in separated time subfolders Ge 1130707 11 7 2013 22 59 Checker file 52 kB Ge 1130713 13 7 2013 21 36 Checker file 140 kB Ge 1130717 18 7 2013 23 53 Checker file 58 kB ie 1130719 19 7 2013 7 25 Checker file kB Ge 1130722 22 7 2013 7 23 Checker file kE Se L1i30723 23 7 2013 15 20 Checker file 56 kB TIME SETTING a if itis necessary in the logger set the current time then you need to upload on SD card a time txt file could be created in windows notepad which contains desired time and date configuration see figure below it means 24 6 2013 18 39 00 b the next time when you are connecting the logger for testing the time will be set automatically to required settings c but it should be remembered that the LOGGER itself holds power only for two days charging tak2. wire matches the colour coding of engine connector otherwise the engine and the checker can be damage AUTO test Turn on the main switch and then the function switcher to TEST mode The motor spins continuously and then reduces speed to zero During the test the LED flashes in red and green alternately Keep checking if the motor does not have any vibration or unusual noises If the LED after the test is lit in solid green the engine is electrically fine If the LED is lit in solid red or flashing red the engine is faulty If the automatic test is successful the engine can be tested in a manual mode MANUAL test Change the function switcher to MAN In this mode you can increase or decrease the speed by control manual settings Test the motor gradually throughout of his speed range If the engine does not respond correctly or LED lights up red the engine is defective WARNING During the test the motor must be properly fixed to avoid any personal injury or material damage And also do not touch the connectors There is high voltage and a danger of electric shock Tester may use only competent person which is able to work with electrical equipment CAUTION The engine must be loaded during the test if possible with the original fan rotor propeller Unloaded motor may depending on type show during acceleration twitching irregular operation vibration or engine can be evaluated by tester as faulty STEPPER MOTOR CHECKER
3. Ver 1 8 U8XR6 TTL232RG VREG3V3 comet Current BL HW FW 1 4 1 0 1 5 Select FW 1 7 Writing IMPROMAT E i O _ During the firmware upgrade of the hardware device do not disconnect the UPGRADING cable This could cause irreversible damage to the updated module Firmware upgrade utility olal s DATE 19 07 2013 00 07 Ver 1 8 FTUUSXR6 mzaa Verifying
4. Connect the crocodile clip from tester to the ground terminal or ground of the IU or OU Attach the probe tip to the testing terminal Watch glow of green and red LED N zero terminal white wire from the terminal to the electronics of unit LED is not lit L phase black wire Green and red LED lights continuously C communication terminal red wire Flashing red LED direction from inside to outside Flashing green LED direction from outside to inside Test of external outputs UTI INV xxx ON ERR DEF and UTI EXP According to the current output either of the LED is off or both LED lights continuously Another way of indication means the malfunction l l NICI L i E communication _ 1 neutral wire i phase wire LOGGER Recording device for communication data The LOGGER scans the data from communication line between indoor and outdoor unit or between COMPRESSOR CHECKER SIMULATOR CHECKER and connected compressor unit and saves them on the SD memory card for future analysis ACT LOGGER SD CHEK pee a ae Oe SOFTWARE INSTALLATION On the attached SD memory card can be find a INSTALL EXE file which is necessary for installation of all inverter checker programs into your computer These programs are following COMPTEST program used for display the status information during the testing of compressor SIMULATOR monitoring communication data between IU a OU
5. Functionality testing of motors of electronic expansion valve EEV and also the louver stepper motors The connector box Louver motor P ow Ven STEPPERMOTOR LCD display Function selection The manual control Main switch 2 Monitoring the operation of stepper motors controlled by PCB unit Turn off power to the unit Disconnect the stepper motor connector from PCB and connect instead the flat cable connector from the connector box Cable of stepper motor is connected to corresponding connector in connector box Power ON the unit and the checker Press the button FN and select function AUTO Now is possible to see and track the number iz of pulses of the stepper motor controlled by the unit If you need to open or close EEV more please use for it the buttons and During the monitoring is also possible to see status of the excitation pulses but in case of any prohibited pulse combination the checker will display symbol E 1 Testing and adjusting the position of stepper motors Connect the stepper motor to the checker and turn on the main switch ON Press the button FN and select function EL CHECK press then checker will automatically check all four motor windings The result is displayed on the ia LCD display Any significant difference between the four results means that EEV is faulty Press the button FN and select function MANUAL or FA
6. INVERTER CHECKER Equipment for testing and diagnostic of the FUJITSU GENERAL inverter split systems Preliminary version August 2013 UTQ COMP checker for DC compressors UTQ DCFM checker for DC fan motors UTQ STPM EEV stepper motor and louver motor checker UTQ COMSIM simulation of indoor and outdoor units monitoring of communication UTQ COMTEST checker of correct unit wiring and their communication UTQ LOGGER recording device for communication data UTQ UPGC usb data cable for software upgrade of the inverter checker modules UTQ CASE carrying case IMPROMAT cK COMPRESSOR CHECKER Functional testing of inverter DC compressors COMPRESSOR Preparation for testing Disconnect the cables of the compressor from the outdoor unit PCB Use an ohmmeter with a range of megaohms for checking possibility of short circuit or leakage between the connector contacts and the motor frame All values must be outside of top of the range of the ohmmeter Otherwise the motor is defective Do not continue with testing the checker could be damaged Check the resistance between the compressor leads with ohmmeter The value of resistance of the motor winding can be depending on the compressor in the order of tenths to whole Ohms It is essential that the resistance of all winding showed the same value If any value is significantly different the engine is defective Do not continue with testing the checker could be da
7. KER N l 4 RED and GREEN flashes alternately The TEST is running GREEN lights continuously The compressor is OK o ERROR of the compressor 1 RED flashes 2x it s not possible reach the maximum rotor speed 3x phase currents asymmetry different winding resistances 4x winding insulation resistance to ground lt 1MOhm 5x supply current limit exceeded 6x compressor spin failed EF ERROR of the Checker GREEN flashes 2x DC bus low voltage 350 V less than 300V check the power supply of the tester 3x high temperature of heat sink please leave the tester cool down TP Firmware of checker is faulty upgrade was not RED flashing rapidly successful In this case it is necessary to repeat the upgrade again see chapter UPGRADING cable Testing software see the example of testing with the result Compressor is OK I Compressortester REE e FTVMSMRR a USB RS232 Cable Compressor OK Ver 1 3 120 0 1 2 os 4 5 6 i B 9 10 TE 2 13 44 15 AG TA 18 49 20 21 222 923 24 925 26 92 26 29 30 SI 32 33 34 3 36 SF 638 I A AT SaR 643 Ad O45 MV Desired RPM Hz V RPM Hz M PYM 96 Iv it MOA M 2 NO A M 13 N04 M 14 M0 4 M 15 MOA v l6 40 A E Regulation E Blank E PA ttickistep DCbus 324V Temp 25 C Riso 0 3 M Cur dist 8 Select all Deselect all IMPROMAT DC MOTOR CHECKER Functional testing of DC fan motors of indoor an
8. ST Use the buttons and to manually control motorized rotating in both directions e g close and opening EEV Check if the motor rotates correctly Control PCB x Ox STEPPER MOTOR QE HH power SIMULATOR CHECKER Simulator of indoor and outdoor unit communication monitoring Testing of inverter outdoor units by simulations of the indoor unit poss use with LOGGER Turn off power supply of outdoor unit From the terminal designed for connecting cable disconnect the communication cable Connect the tester to the outdoor unit through a terminal intended for the connection cable On the tester set the function switcher to INDOOR position Turn on power of outdoor unit and in the menu set the right model of the unit or type ME Of communication AOYA AOYD AOYR AOY DX Now the outdoor unit can be controlled by SIMULATOR CHECKER AT goa ee Black L SIMULATOR White N Outdoor unit Red C terminal Disconnect To indoor unit Power supply cable Testing of indoor unit by simulation of outdoor unit possibility use with LOGGER Turn off power supply of outdoor unit From the terminal designed for connecting cable disconnect the communication cable Connect the tester to the indoor unit through a terminal intended for the connection cable On the tester set the function switcher to OUTDOOR position Turn on power of indoor unit and in the menu set the right mode
9. ai MAPBOMAT UPGRADING Cable Data cable for software upgrade of the inverter tester modules Whenever is released a new firmware update it is possible to do upgrade by connected upgrading cable together with the updater program needs internet connection This information about UPDATE will be send by email to all owners of inverter checker Due to repairs and improved functionality of INVERTER checker and programs package this regular update is highly recommended There is not any upgrade possible without a connected and properly installed UPGRADING cable Even for the programs in the PC itself Upgrading procedure 1 The upgrading cable plug in to usb port on your notebook or PC and wait until is usb driver successfully installed 2 Start the program Updater and if is any new update of the software on the server then you can press the button Download to start an installation of updates for the programs in your pc 3 Second step is to check if your module has a newest firmware already installed or not Connect the cable to the module which you need to upgrade keep the top of cable as you see on the label 4 Press the button Connect to see what is the current firmware inside of module if is different compare to firmware on the server Select the desirable FW and press the button Upgrade 5 After the writing procedure is the module updated to latest firmware version Firmware upgrade utility o a Ex DATE 19 07 2013 00 07
10. d outdoor units DC MOTOR 2 colour LED Lymer _ EM Waa Function switcher Tested DC motor The connector box Main switch Controller of manual speed adjustment Power lead Test process Turn off the power of the unit and wait a few minutes for the power supply capacitors to discharge Disconnect the DC motor connector from the control PCB of the unit Turn the rotor of the fan by hand If you can feel a significant resistance the motor is faulty In that case do not continue with testing the checker could be damaged Use an ohmmeter with a range of megaohms for checking possibility of short circuit or leakage between some of the motor leads red black white and the motor frame All values must be outside of top of the range of the ohmmeter Otherwise the motor is defective Do not continue with testing the checker could be damaged Use an ohmmeter to check the resistance between each motor power connections red black white must not show measurable resistance Otherwise the motor is defective Do not continue with testing the checker could be damaged Connect the motor to the checker During the connecting the checker must be switched off by main switch and the function switcher in position 0 CAUTION Plug the motor connector to the mating connector in connector box Attention Connectors of certain motor types have colour coding in reverse order Make sure that the colour of cable
11. es in about 10 minutes after the connection and therefore it is necessary to set the time again as you need it Time Pozn mkov blok Soubor pravy Form t Zobrazen N pov da 240613183900 SOFTWARE for INVERTER CHECKER The example of records displayed by checker viewer A total of four entries stored in one day Two records are stored during the testing of compressor COMPRESOR CHECKER and two records are from monitoring of communications between units SIMULATOR CHECKER Checker viewer 14 o eP Sessions Type Date Comp 23 7 2013 14 01 17 Comp 23 7 2013 14 05 07 Comp 23 7 2013 14 07 12 Sim 23 7 2013 14 54 59 Sim 23 7 2013 15 12 29 25 C DCbus 324 V Riso 0 3 M ERROR 4 wrong isolation Cur dist 50 ERROR 3 phase current asymmetry Cur dist 31 5 Compressor OK Cur dist Selecta Dessiectal Example of comptest program for displaying the graphic results from testing of compressors using COMPRESSOR CHECKER module the module must be connected via USB cable to PC T Compressor tester FTVMSNR u Lo i tae Dp a ERROR 3 phase current asymmetry Ver 1 3 DCbus 320 V Temp 27 C Riso 0 7 M Cur dist 32 5 Example of simulator program for monitoring of communication between indoor and outdoor units using the SIMULATOR CHECKER the module must be connected via the USB cable to PC Pta PT VGMRA USB ARS232 Cable boka bat Ver LI AOVGOSLEC Seiect af Deseiect
12. l of the unit same as for indoor mode Now the indoor unit can be controlled by SIMULATOR CHECKER Black L White N E simucator Red C Indoor unit 1 23 terminal Disconnect Cable to outdoor unit Monitoring of communication between indoor and outdoor unit possibility use with LOGGER Turn off power supply of outdoor unit Connect the tester to the indoor unit through terminals designed to connect the cable On the tester set the function switcher to MONITOR position Turn on power of outdoor unit indoor unit Now you can monitor the communication between the indoor and outdoor unit by program Simulator connected to checker over the USB data cable or use a LOGGER SIMULATOR j i Black L White N pi o Red C T BENS eee J 123 Indoor unit EAE PARRARI terminal U i Outdoor unit terminal Tester is possible to connect either to indoor or outdoor unit COMUNICATION TESTER Tester of correct unit wiring and their communication USED FOR TESTING oS 2 Connection of the power supply The correct cable connection Communication between indoor and outdoor unit in the individual directions The functionality of external outputs of modules UTI INV xxx and UTI EXP Test of connection and communication neutral wire communication f Data direction indoor outdoor Data direction outdoor indoor
13. maged Connect the power cord lead to the 230VDC power supply of the tester fused at least with 16A circuit breaker The switch POWER must be in position O switch TEST in position STOP and the desired speed of compressor must be set by switch in position LOW Connect the cable of the checker to the three connectors of compressor windings and ground clamp to the frame or chassis of the outdoor unit Test of the compressor 1 2 3 Turn on the tester by switch POWER After pressing the TEST switcher the compressor will start and its speed is gradually increasing from zero to 50 of the maximal speed LED during the test alternate between red and green Please do check the running compressors check by hearing in case that shows any unusual noises After the test of the compressor the final result is indicated by LED Status Continuous green light compressor is OK x Red flashing compressor is faulty detailed errors identification see Table Green flashing checker error detailed errors identification see Table In case of a positive test result from position LOW the test can be repeated again with a speed switch in position HIGH This mode will increase speed gradually up to the maximum of 100 ATTENTION Before each repetition of the test is necessary wait at least three minutes until the pressures in the refrigerant circuit gets balanced again COMPRESSOR CHEC
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