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Sanyo THX1852 Air Conditioner User Manual

1. PULSESTAP I COD tat PE VW 8 Ds REI G AL 1 D it ha ee iga F sj din x CHIOV I H aT La le Glen TER 26H RED FR l JP001 OPTION CN060 EXCT CNO73 GRL CN020 DISP CNO72 POWER LED D002 CHK CNO71 FAN DRIVE CN032 l FILTER CN070 T10 CNO61 2 For DC Fan Motor CR SXRP56B B POWER LED D002 EEPROM IC010 P Rp Go ee tee Ki ee e a Kegel E die br ry GRL OPTION FILTER DISP JP001 VARISTOR CNO20 CNO60 CNO70 CN063 VA100 FAN DRIVE T10 CHK EXCT EMG CN032 CNO61 CN062 CNO73 CN044 4 7 PCB and Functions 2 Indoor Unit Control PCB 3 CR1 for CR KR74GXH56A KHX0752 KHX1852 Wall Mounted If the fuse F002 has CHK test pin blown determine the DISP pin cause and correct it Then change the socket from the OG plug to the EMG plug e A KC ae 18 8 d TRANS S plug EMG plug OG plug oc SAL Seen Ta e TES i eg Cooer kr FAE Control circuit fuse 2 a F002 TH TELE he Power LED LD002 PELLE ET Microcomputer pi FAN DRIVE plug W e r P 5 A I ROST ERR Ire LU EA Nonvolatile memory IC ETEN Aw ZE 4FA B1B055000 1 N M Indoor heat exchanger E2 sensor EAT D FAA A AA E SE s i Indoor heat exchanger T10 plug E1 sensor OPTION CNOI RE g Room temperature PCB and Functions 2 Indoor Unit Control PCB 4 CR1 for CR KR2
2. D Standby lamp e This lamp lights at the following times during heating operations When operation has started when the thermostat has been activated during a defrosting operation e The lamp blinks when trouble has occurred E Emergency operation This is used when operation cannot be performed due to trouble with or loss of the wireless button remote control unit F ADDRESS switch This switch is used in order to prevent the sending of signals to the wrong indoor unit when a multiple number of indoor units that can be operated by the wireless remote control units have been installed in the same room G SWING button When this button is pressed the airflow sweeps up and down automatically H FILTER lamp This lamp lights to indicate that it is time to clean the filter e If two beeps are heard the operation lamp among the indication lamps has lighted and the timer lamp and standby lamp blink alternately In cases where heat pump models are used this indicates a cooling heating mode mismatch and as such operation in the desired mode cannot be performed The same beeps will be heard and the same operation lamps will light when auto cooling heating has been selected on a model which does not have the auto cooling heating function e When local operation has been set to disable because the centralized control mode is established for instance pressing the ON OFF operation button MODE button or temperature setting buttons results in the
3. 3 Correct the problem locations All of the probable causes Notes Operates continuously for a set length of time Indicates 2 5 minutes or longer for an inverter compressor compressor 1 and 30 seconds or longer for a constant speed compressor compressor 2 and 3 3 18 Trouble Diagnosis 3 W 2WAY ECO i Alarm Codes P04 Alarm i Te Alarm meaning High pressure switch activated Alarm conditions When the electrical circuit of the high pressure switch is activated then depending on the pressure the terminals may be short circuited If the pressure is 464 psi or higher the terminals will be short circuited When they have been short circuited they remain short circuited until the pressure decreases to 360 psi The check valve installed on the compressor discharge side tubing has malfunctioned The service valve is closed The outdoor unit heat exchanger became clogged during cooling operation An air short circuit occurred in the outdoor unit during cooling operation The outdoor unit fan malfunctioned during cooling operation The indoor unit air filter became clogged during heating operation An air short circuit occurred in the indoor unit during heating operation The indoor fan failed during heating operation The refrigerant circuit has become clogged The mechanical valve failed The solenoid valve kit failed Refrigerant overcharge has occurred The high pressure switch failed Probable cause zb OD
4. Changes the operation mode after the sleeping function ing sleeping function Saning operation is cancelled Su Mo Tu We Th Fr Sa m d LD Sleeping function indication If no operation is made for 3 minutes the time setting mode will be automatically finished Ex In case of 7 hours timer 1 Press e Each time the button is pressed the indication changes in the following order THO BH H gt gt gt every one hour Press zi to stop the time setting 2 Press ST amp The sleeping operation starts 2 29 Remote Control Functions 3 Timer Remote Controller RCS TM80BG 14 Wired Remote Controller Test Run Settings 1 e v N Press the remote controller button for 4 seconds or longer TEST appears on the LCD display while the test run is in progress Then press the button The temperature cannot be adjusted when in Test Run mode This mode places a heavy load on the machines Therefore use it only when performing the test run The test run can be performed using the HEAT COOL or FAN operation modes Note The outdoor units will not operate for approximately 3 minutes after the power is turned ON and after operation is stopped If correct operation is not possible an error code is displayed on the remote controller LCD display Refer to Table of Self Diagnostic Functions and correct the problem After the test run is completed press the button again Check that TES
5. DATA is memorized in the indoor unit DATA setting will not be changed even when the power is turned off 8 To Display the Sensor Temperature Press both and buttons on the remote controller for more than 4 seconds together Change the sensor address CODE No with Ca J 17 4 buttons amp Select the UNIT No which you want to call with the button amp Press the button to finish service mode 9 To Display the Trouble History Press both and buttons on the remote controller for more than 4 seconds together e Change the alarm message Ca y_ buttons CODE No 7 amp Press the button to finish service mode New Old 2 19 Remote Control Functions 3 Timer Remote Controller RCS TM80BG Caution when installing the remote controller 1 Install the remote controller more than 3 3 8 apart from the wall surface 2 To install the remote controllers side by side keep the space between each for more than 4 59 64 3 To install the remote controllers one above the other keep the space between each for more than 1 7 64 9 32 n RE ES Kaes 4 23 32 5 8 UA unit iin 2 20 Remote Control Functions 3 Timer Remote Controller RCS TM80BG 10 Setting the Present Time 1 Press and hold fi for more than 2 seconds to enter in the present day and time setting mode Once you enter in the setting mode Eaudlg day and time flash
6. Remote Control Functions Contents 2 REMOTE CONTROL FUNCTIONS 1 Main Operating Ti ei en CC 2 2 1 Room Temperature Control EE 2 2 2 Automatic Control for Heating and Cooling rrnrrnnrnnnnnrnnnnenrnnnnvnrnnnnennnnnennrnnnennnnnennnnsnenn 2 3 2 Wireless Remote Controller r anxxrnnnnnennnnnnennnnnvennnnnnnnnnnnennnnnnennnnnnennnnnnnnnnnnnennnnnennnnnnennnnnne 2 4 1 How to Use the Wireless Remote Controller AANEREN 2 4 FT ale 2 7 NNN 2 8 4 Using the Wireless Remote Control Un 2 9 S ele Te EE 2 10 6 Emergency NN 2 12 TONN 2 14 3 Timer Remote Controller RCS TM80BG rnnernnnvnnnnnennnnnennnnvennnnennnnnennnnnennnnennnnvennnnvnnnnnr 2 15 1 How to Use the Timer Remote Controller 2 15 2 Names and Naber 2 16 3 Installation Manual for Timer Remote Controller rrrvrnnnrrrrnnnvennnnnvnvnnnnvnnnnnsrnvnnnnnnnnnnee 2 18 4 How to Install the Remote CGontroller AAA 2 18 5 Group Control Using 2 e nal Regel ET 2 19 6 Remote Controller Setting Mode EN NE 2 19 T Mdoor SN 2 19 8 To Display the Sensor ENN 2 19 9 To Display the Trouble History eegene 2 19 10 Setting the Present Time E 2 21 11 Weekly Program Function EE 2 22 2 OUO FUNCION EE 2 27 T JE TT 2 29 14 Wired Remote Controller Test Run Setting rrrnnrrnnnnnnnornnnnrnrrnnnenrnnnnenrnnennnrnnnrennnnnnen 2 30 TOs SEENEN 2 31 16 Detailed Settings EE eege tee 2 33 17 Remote Controller Servicing FUNCUONS viwisiencumarcivodwiaretemsemaeremngubdamsi
7. Sensor input not present Control is not performed 0003 Sensor input present Control is not performed 0000 Disabled 0001 Quiet mode 1 Outdoor unit fan Quiet mode 0002 Quiet mode 2 0003 Quiet mode 3 0004 Quiet mode 4 0000 Heat pump 0001 Cooling 0000 0 0001 40 0004 70 0007 100 0008 120 0009 140 0010 160 0011 200 0012 1 no limit j w X l II Snowfall sensor usage j es XI L ke l ap Fre Cooling ad X Demand 1 current ea wu D 0000 0 0001 40 0004 70 0007 100 0008 120 0009 140 0010 160 0011 200 0012 1 no limit frase am mad Demand 2 current 6 9 Service Checker 1 Outdoor Unit Maintenance Remote Controller m Setting mode 2 D Press the CHECK button SET SETTING button and the 5 CANCEL button simultane A tf ously for 4 seconds or longer 2 Press the temperature setting 4 JandC v buttons to change the item code The item codes and setting data are shown in the table below 3 Press the timer time a and vw buttons to change the setting data REMOTE CONTROLLER To confirm the changed setting data press the SET button At this time the SET DATA display stops blinking and remains lit EGG blinks when this mode is engaged and when this mode is engaged Now Setting is dis C Display of first 3 digits played blinking and the address of the outdoor unit that is being
8. at Hipi 8 ET j r If z Fi ALE x A j TTT in e dg ET L e Jed 103 SA Ian H A F 1 P Se d t D i t LEIT i Si Mut fa CR bk F SEEL LUNT Tom Se L G t ER um mia E E ACI ACTI TI T EW Tg l Ta S I d nn I an M ths d en a d g s g i AE BR ETER kV e zg Vi SH TT SILENT Trouble Diagnosis 3 W 2WAY ECO i Alarm Codes E16 Alarm Alarmcode 8G Automatic address setting alarm too many units Alarm conditions There were a number of indoor units was too many when Automatic address setting was performed at a number of indoor units e After initial communications were completed an unrecognized unit was detected Probable cause 1 The SW for setting the number of indoor units is incorrect 2 The inter unit control wiring is wired incorrectly Check 1 Refer to the test run servicing materials and check the number of indoor units that is set 2 Check the inter unit control wiring at the indoor and outdoor units Correction After correcting the indoor unit quantity setting or the inter unit control wiring perform automatic address setting again Exampe 19 gt Notes 97 E20 Alarm Alarm code E20 No indoor units at automatic address setting Alarm conditions When automatic address setting was performed no indoor units were recognized Probable cause The inter unit control wiring from the outdoor unit to the indoor units has been cut Serial conne
9. e The LED blinks if an alarm occurs at any of the operating indoor units Cooling heating change Fig 6 1 lt Operation gt The MODE button can be used to change between heating and cooling operation e The display indicates the operating mode of the indoor unit with the lowest unit No All units test run Fig 6 2 lt Operation gt The CHECK button can be used to start and stop a test run for all units To start press and hold the button for 4 seconds During the test run Test is displayed e The status of test runs performed from the indoor unit remote controller is not displayed on the outdoor unit maintenance remote controller REMOTE CONTROLLER i 0 amp If the inter unit control wiring is connected it can be left as is In the case of an independent outdoor unit 1 maintenance remote controller connected to 1 outdoor unit automatic address setting for indoor units not completed both setting mode 1 and setting mode 2 can be used for outdoor unit EEPROM data settings amp The overall system status for that refrigerant system is displayed REMOTE CONTROLLER O The item codes can be changed with the A and I W buttons Item code Item Outdoor unit alarm No of connected indoor units Unit Nos of connected indoor unit Operating status of indoor unit Thermostat ON status of indoor unit No of connected outdoor units Unit Nos of connected outdoo
10. 2 Set to today s day of the week Press Ia to move v flashing on the display in the order of Su 3 Mo gt Tu gt Press vw to move it in the order of Su gt St gt aar FUELO nannu wa ED Ev mete OK ek While in time setting mode the temperature setting buttons function as AR changing day button 3 Press to change the present hour in the range of 0 to 23 3 4 1 3 4 2 Set the present hour and press E J J I The hour digits light up and the minute digits start flashing If the clock uses the 12 hours AM PM setting the hour is displayed in the range of AM 0 to 11 PM 0 to 11 4 Press v to change the present minute in the range of 0 to 59 DD DO Set the present minute and press E The day and time are set and finishes the setting mode TIMER DARY COPY po Toe ee NN Wmd Ji unt IC SETTING The unit returns to the normal mode if za is pressed or there is no operation made for 3 minutes aa mr during the setting In this case all the settings in progress will be lost DD e If the present time is invalid is displayed RE If the power failure for more than 1 hour occurs check if the set data of day and time are valid 2 21 Remote Control Functions 3 Timer Remote Controller RCS TM80BG 11 Weekly Program Function Checking Weekl
11. Compressor 3 discharge temperature sensor DISCHS trouble Alarm conditions 1 Discharge temp of 212 F 100 C or higher was detected 20 minutes or more after that compressor stopped operating 2 Discharge temp of 176 F 80 C or higher was detected after all compressors had been stopped for 60 minutes or longer 3 A D step is 10 steps or less short circuit Probable cause 1 Sensor malfunction e Sensor element malfunction e Sensor wiring is partially disconnected resulting in increased electrical resistance yw This alarm does not occur when the wiring is cut or when the connector is not connected to the outdoor unit control PCB 2 Crossed wiring or installation error e The discharge temperature sensor of that compressor is connected to the discharge tube of the other compressor e The connector for the discharge temperature sensor of the problem compressor is connected to the outdoor unit PCB connector for the other compressor 3 Outdoor unit PCB failure 4 The check valve on the discharge tube for that compressor is wet 5 An air short blockage in the area around the outdoor unit has increased the outdoor unit ambient temperature reducing the cooling effects after the compressor stops 6 There is a cause that results in P03 P17 or P18 alarm Check 1 Sensor malfunction and outdoor unit PCB failure Trouble Constantly indicates a high temperature e When monitoring software or other means are used for monit
12. No 1 is ON Discharge gas temperature of the comp No 1 is not detected HO5 Temp sensor is not seated at the sensor holder Protective device for Overload current is detected H11 compressor No 2 Is activated Lock current is detected H12 tow pressure switchs actvatsd me REESEN Comp No 2 oil sensor H27 Oil sensor connection failure H28 Continued Protective device for compressor Is activated Test Run 6 Meaning of Alarm Messages Alarm messages displayed on system controller Serial Error in transmitting serial Indoor or main outdoor unit is not oparating correctly communication communication signal Mis wiring of control wiring between indoor unit main outdoor unit and errors system controller Mis setting l S l Se Error in receiving serial Indoor or main outdoor unit is not operating correctly communication signal Mis wiring of control wiring between indoor unit main outdoor unit and system controller CN1 is not connected properly Activation of Protective device of sub indoor When using wireless remote controller or system controller in order to protective unit in group control is activated check the alarm message in detail connect wired remote controller to device indoor unit temporarily 1 Alarm messages in lt lt gt gt do not affect other indoor unit operations 2 Alarm messages in lt gt sometimes affect other indoor unit operations depending on the fault
13. 600 800 1000 1200 OZ Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Contents TEST JEE 1 1 LL TARM 1 2 2 Setting of Unit Control POB ox seat ersnceigeescenaneesitcteemencesen auacesedacueeceuedareensuaeaeectn 1 4 3 Auto Address SM 1 6 4 Remote Controller Test Run Gettngs 1 12 db NTT 1 13 6 Meaning KEE Re EE 1 14 REMOTE CONTROL FUNCTIONS eeeteeseegseengeuiieen g eegente gou geEEGe EES eet 2 1 Te Man SJEF rn 2 2 2 Wireless Remote ele tee EE 2 4 3 Timer Remote Controller RCS TM80BG rrrrrrrnarrrnnnnnnvnnnrnrnnnrnnnnrnvnnnennnnre 2 15 TROUBLE DIAGNOSIS Landene 3 1 1 Contents of Remote Controller Switch Alarm Dusplay 3 2 2 Outdoor Unit Control PCB LED Display ee 3 4 3 W 2WAY ECO i Alarm Codes arrrrannennnnnonnanennnnnennanrennnnsnnnnnennansennnnennnnnennnnenn 3 5 4 Blinking A Inspection Display on the Remote Controller rrrrrnnrrrnnnnnnrr 3 22 PCB AND FUNG TIONG Leren 4 1 1 Outdoor Unit Control PCB sosesee cea eeecpsenyen cis es ees cetescacteroteceepoesecteceuessaseesepesaeseieaer 4 2 2 Mdoor Unit Control POB EE 4 6 SELF DIAGNOSIS FUNCTION TABLE asmenennnnvnnnanaanvnnnnnnnnenanananennnnnnnnnnnnannvennnnnunne 5 1 1 Self Diagnosis Function T4DI6 avvernarsssemmsnnvesede 5 2 SERVICE CHECKER Len 6 1 1 Outdoor Unit Maintenance Remote Controller uk 6 2 Test Run Contents 1 TEST RUN ERR Nr 1 2 1l Preparing for ES EEE NE NEEE REEE n Ere 1 2 2 Test
14. Be sure to give the instruction manual and warranty cer tificate to the customer 9 When replacing the control PCB be sure to make all the same Settings on the new PCB as were in use before replacement The existing EEP ROM is not changed and is connected to the new control PCB 1 2 Test Run ON Power must be turned ON at least 5 hours before attempting test run Power mains switch Balance tube Liquid tube Test Run l Test Run 2 Test Run Procedure Recheck the items to check before the test run Items to Check Before the Test Run 1 Turn the remote power switch on at least 5 hours before the test in order to energize the crankcase heater 2 After performing the leak inspection applying vacuum and performing refrigerant charge for the tubing which is connected on site fully open the outdoor unit service I CT valve However if only one outdoor unit is installed a main unit ll other balance tube is not used Therefore leave the valve fully units are Sub units closed 3 When replacing the control PCB be sure that the settings on the new PCB match those on the old PCB 4 Use caution when making the settings If there are dupli cated system addresses or if the settings for the Nos of the indoor units are not consistent an alarm will occur and the system will not start These settings are not made on the indoor unit PCB Have the outdoor sub units been connected Set the uni
15. No of the selected indoor unit and the temperature data are displayed 4 To end monitoring press the CHECK button The display returns to the normal display SICH The display does not blink W Display of unit No 1 main unit DN Description Remarks m Intake temp C ny E md E2 C d Indoor unit Discharge temp Discharge temp setting C Indoor unit electronic control valve position SJEP Discharge temp 1 at Compressor 1 Discharge temp 2 at Compressor 2 High pressure sensor temp Heat exchanger gas 1 Heat exchanger liquid 1 O C C Heat exchanger gas 2 C y w C Heat exchanger liquid 2 C Outdoor air temp C d LI Les Lol Er Lu M mm ER Ep Not used Inverter primary current Current at Compressor 2 CT2 MOV1 pulse MOV2 pulse A Outdoor unit STEP jew Spas s er Sime al Fra KI D Discharge temp 3 at Compressor 3 Current at Compressor 3 CT3 MOV3 pulse Heat exchanger gas 3 Heat exchanger liquid 3 Low pressure sensor temp STEP SE C C kel RR Suction temp C Actual operating frequency E Olt C di 0i2 C Oil 3 C Hz 6 7 OA and subsequent items are outdoor unit data OA 22 are for unit No 1 2A 42 are for unit No 2 4A 62 are for unit No 3 62 89
16. OFF operation switch must be set to ON without fail If it is kept at the OFF setting the signals from the wireless remote control unit will not be accepted 2 12 Remote Control Functions 2 Wireless Remote Controller A U D type Initiate operation using the Emergency operation button in the signal receiver 1 Press the Emergency operation button The air conditioner initiates a cooling operation when its operation is started up at a room temperature of 75 F 24 C or above Conversely it initiates a heating operation when its operation is started up at a room temperature below 75 F 24 C 2 When the SWING button is pressed the air direction is automatically switched from upward to downward or vice versa Press the Emergency operation button once more 2 13 Remote Control Functions 2 Wireless Remote Controller 7 Troubleshooting Check out the following points before requesting service The air conditioner Is the air conditioner in the shutdown mode or Press the wireless remote control unit s does not run even was the switch operated after a power failure ON OFF operation button again when the ON OFF operation switch has How about the local power switch If it was off set it now to on been set fo ON Have any of the fuses blown If a fuse has blown contact your dealer Is the ON timer operation mode established Clear the timer operation CH x If the signal r
17. Releasing this pin returns the unit to normal control PCB and Functions 1 Outdoor Unit Control PCB Table 1 Setting the System Address S002 Rotary switch black S003 2P DIP blue 5003 setting Outdoor system address 5002 setting 1P 10s digit 2P 20s digit 1 1 refrigerant system only OO OO JO Om P Go b i Link wiring OHIO OO rzJ Oo Om P ob A Or OO rJ OO PS ob zz OO OO zJ OO P ob Table2 Setting the Number of Indoor Units Table 3 Setting the Number of Outdoor Units S004 Rotary switch red S005 2P DIP blue S006 DIP switch blue Indoor Units 4 2 3 indoor Units 3 ON OFF OFF 2 OFF ON OFF OFF 4 4 OF OFF ON Table 4 Setting the Outdoor Unit address Outdoor Unit 5007 Setting Address PCB and Functions 2 Indoor Unit Control PCB 1 Indoor Unit Control PCB Switches and Functions Indoor unit control PCB T10 CN61 EXCT CN73 DISP CN72 CHK JP1 JO1 6P plug yellow Used for remote control Refer to the remote control section Control items 1 Start stop input 2 Remote controller prohibit input 3 Start signal output 4 Alarm signal output 2P plug red Can be used for demand control When input is present forces the unit to operate with the thermostat OFF 2P plug white Short circuiting this plug allows the unit to be operated by the remote controller even i
18. and out door unit on the remote controller lt Procedure gt I Press and hold the and buttons simultaneously for 4 seconds or longer Fa Prosa COPY The unit No x x main unit No item code XX sensor address and servicing monitor H XX sensor temperature are displayed on the remote controller LCD display Press the temperature setting a buttons and select the item code to the address of NOTE the sensor to monitor The temperature on the remote controller is displayed For the relationships between the sensor in Celusis C addresses and sensor types refer to the table of Please note that you will not mistakenly read it in Fahrenheit F on the display temperature sensors and addresses below If group control is in effect press the button to select the unit to monitor Press the temperature setting buttons Outdoor unit sensors lo select the tem code to change uret untno 2 Umino unos on 4A adsl temp 1 Press the button to return to normal remote controller display AC BS NOTE o Heat exchanger lauia The temperature display appears as 4F Heat exchanger gas 2 10 50 Heat exchanger liquid 2 for units that are not connected 10 EE 51 oa RS Se If monitor mode is engaged while normal 12 operation is in progress only the parts of E ES 53 ee the LCD display shown in the figure will 14 change Other parts continue to display 5 75 the sam
19. before the alarm occurs are called pre trip After pre trip occurs if the low pressure sensor detects a pressure of 21 8 psi or more for 3 minutes of continuous operation the pre trip count is reset to 0 If the low pressure sensor detects a pressure of 23 2 psi or less continuously for 60 minutes when the compressor is stopped an alarm occurs immediately no pre trip Probable cause The unit low pressure has dropped to a level that does not occur under ordinary conditions 1 The absolute amount of gas in the system is too low as a result of insufficient refrigerant charge or leak 2 The refrigerant has accumulated in the circuit and has not returned to the compressor Refrigerant has accumulated in a location of one way flow and cannot escape High pressure level is low resulting in poor flow of refrigerant in the circuit A lower high pressure level results in a smaller difference between low pressure and high pressure that may be insufficient to cause refrigerant flow 3 The refrigerant circuit has become closed and refrigerant has not returned to the compressor In some cases when moisture enters the refrigerant circuit it can freeze at the low pressure locations and the resulting ice can block the circuit yw If the alarm occurs when there is sufficient refrigerant in the system 1 and 3 liquid refrigerant has definitely accumulated somewhere in the system Liquid refrigerant generally accumulates in high pressure
20. condition er with your desired operation mode temperature setting f the room temperature rapidly changes the room temperature may get over the upper or lower limit when the outing func tion is activated The outing function is invalid during FAN AUTO operation mode amp The air conditioner s stop order stated in above is valid only when the outing function is operated If operated using other remote control unit or a centralized control device such as a system control the outing function does not work 2 2 Remote Control Functions 3 Timer Remote Controller RCS TM80BG amp Setting the Outing Function 1 Press and hold T for more than 2 seconds to display the upper limit temperature setting screen T and the upper limit temperature start flashing The default value of the upper limit temperature is 99 F 37 2 Press v to select the upper limit temperature and press ST to fix the value The lower limit temperature setting screen is displayed 3 Press a Is to select the lower limit temperature and press SET to fix the value The outing function setting is completed The default value of the lower limit temperature is 50 F 10 C The unit returns to the normal mode if amp is pressed or there is no operation made for 3 minutes during the setting In this case all the settings in progress will be lost amp Canceling the outing function Press and hold for more than 2 seco
21. conditioner C MODE button Use this button to select one of the following five operating modes Used to automatically set cooling or heating operation Only for single heat pump type Temperature range 62 80 F 17 to 27 C Used for normal heating operation Only for heat pump type Temperature range 60 78 F 16 to 26 C Used for dehumidifying without changing the room temperature Temperature range 64 86 F 18 to 30 C Used for normal cooling operation Temperature range 64 86 F 18 to 30 C Used to run the fan only without heating or cooling operation Press this button to increase the temperature setting Press this button to decrease the temperature setting E FAN SPEED selector button AUTO The air conditioner automatically decides the fan speeds HI High fan speed MED Medium fan speed LO Low fan speed Continued Remote Control Functions 2 Wireless Remote Controller F FILTER button If a separately installed signal receiver is being employed this button is used to turn off its filter lamp When the filter lamp has lighted first clean the filter and then press the FILTER button to turn off the filter lamp When a wired remote control unit and wireless remote control unit are both used the filter sign on the wired remote control unit will appear When this happens first clean the filter and then press the FILTER button on one of the remote control units t
22. connected To change the display to the higher number units before 10 seconds have passed press the FT FLAP button HM An 8 digit display is used for display of the compressor total operating time in 1 hour units When the first 4 digits are displayed the bottom dot of the colon is illuminated Figure A When the last 4 digits are displayed the colon dot is OFF Figure B The display of the first 4 digits and last 4 digits changes automatically after 10 seconds The display can also be changed by pressing the FLAP button We KA lt Compressor total operating time gt A and B are displayed alternately The example here 0000 0062 indicates 62 hours Sample Display A B 6 6 Service Checker 1 Outdoor Unit Maintenance Remote Controller 4 Monitoring Operations Display the indoor unit and outdoor unit sensor temperatures lt Operating procedure gt OU Press and hold the CHECK and 8 CANCEL buttons simultaneously for 4 seconds or longer to engage temperature monitor mode During temperature monitoring illuminates The display and operations are the same as for monitor mode using the indoor unit remote controller Press the UNIT button and select the indoor unit to monitor 3 Press the temperature setting Ca and _ J buttons and select the item code of the temperature to monitor The unit
23. control indication Appears when operated in centralized control If the remote control operation is not permitted to the remote unit when the Start Stop button Mode Select button or Temperature setting button is pressed e flashes and rejects the change 2 17 Remote Control Functions 3 Timer Remote Controller RCS TM80BG 3 Installation Manual for Timer Remote Controller Accessories for remote controller switch Remote controller Wire joints l Operation manual 6 Installation manual 4 How to install the Remote Controller Do not supply power to the unit or try to operate it until the tubing and wiring to the outdoor unit is completed Do not twist the control wiring with the power wiring or run it in the same metal conduit because this may cause malfunction Install the remote controller away from sources of electrical noise Install wiring correctly incorrect wiring will damage the equipment Install a noise filter or take other appropriate action if electrical noise affects the power supply circuit of the unit When wiring do not connect the remote controller wires to the adjacent terminal block for the power wiring Otherwise the unit will break down Use shielded wires for remote control wiring and ground the shield on indoor unit sides Fig 2 1 Otherwise misoperation due to noise may occur The mounting position for the remote controller should be located in an accessible place for control Neve
24. detect the temperature if the temperature at the measurement point is 68 F 20 C or below 3 15 Trouble Diagnosis 3 W 2WAY ECO Alarm Codes H31 Alarm Alarm code HIG trouble alarm Alarm conditions This alarm occurs when the microcomputer identifies a trouble signal indicating abnormal HIC temperature or other trouble from the HIC The HIC judges the current and temperature and outputs the trouble signal In general this indicates trouble with the HIC itself Probable cause Overcurrent in HIC circuit and resultant abnormal heating caused by HIC failure Check Check the power wiring and connector wiring If the wiring and connectors are normal use a tester to measure the resistance between the compressor HIC power HIC and ground HIC If there is a short circuit there is an HIC malfunction raf Kaes L kg ht e Aly CHL 2 LIT TT Le al d EIET CEET 1 gr z wava Soldering DP Retlow Sald r ing En E ha K Sg n Erul D Ae me Tieas TS 22 Ia OAO 20 Sal b s F 4 3 E RFI HP P TS d E oe er SS g 8 8 EI d SCH FEE PCA e F dt A FE E e H r ier D 4204 D o A 4504 dota igid REEL 8 A ei in E spa30 0800 WEE E ay d sal EF x Fi D 8 eg AO e he GS St FAGBIBIONT e pep assy 1c cHDX14053 HIC PCB If an HIC failure is found replace the PCB Exampe gt o O Turn OFF the power and check the continuity of HIC and HIC
25. etc input engages this mode Probable cause Because alarm P16 P22 P26 P29 Hx1 Hx2 or H31 has occurred check the alarm history then refer to the corresponding items Follow the instructions in the corresponding items to correct the trouble Recovery After repairing the malfunctioning locations reset the power for the system all outdoor units Caution Automatic backup mode will not be canceled until the power is reset Notes Automatic backup mode is not engaged in cases of alarms other than those listed above Reasons There is no need for automatic backup if recovery is possible by correcting the remote controller input e With alarms for which automatic recovery is possible Such as sensor alarms the presence of electrical noise may result in a new alarm However it is believed that this occurs for a comparatively short time only In these cases a mode automatic backup mode that limits operation may be engaged e Control is not possible when a communications system alarm has occurred e Automatic backup mode is not engaged in order to avoid causing secondary damage 3 22 Trouble Diagnosis 4 Blinking AN Inspection Display on the Remote Controller Blinking inspection display 2 compressor magnet SW seizing detection Blinking N inspection display Alarm meaning Compressor magnet SW seizing detected Status The compressor and outdoor unit fan motor continue to run even though all indoor units withi
26. how much charge remains in the batteries and on other factors Ensure that the signals will not be blocked by any objects positioned between the transmitter and signal receiver Avoid placing the wireless remote control unit where it will be exposed to direct sunlight or in the direct path of the air blown out from the air conditioner near a heating appliance etc Do not drop throw or wash the wireless remote control unit Signal reception may not be accepted in rooms with fluorescent lights that use the electronic instantaneous lighting system rapid start system or inverter system For further details contact your dealer 2 9 Remote Control Functions 2 Wireless Remote Controller When mounting the e Before mounting the wireless remote control unit on the wall place the unit at the mounting wireless remote control position press the ON OFF operation button and check that the signals are received unit on a wall for use properly e To remove the wireless remote control unit disengage it by pulling it toward you Secure the installation fitting of the wireless remote control unit using the screws 1 Place here Procedure for installing the wireless remote control unit e Installation fitting of wireless remote control unit Operating tips Do not operate the wireless remote control unit too far away from the signal receiver Doing so may cause operational errors Make absolutely sure that the wireless remote contro
27. initialization the set outdoor unit quantity did not match the number of outdoor units detected on the outdoor unit main sub control wiring for 3 minutes or longer 2 The outdoor unit main sub control wiring is cut 2 Check the outdoor unit main sub control wiring 2 Repair the outdoor unit main sub control wiring Example gt s O Notes Recovery from this alarm occurs automatically when the set outdoor unit quantity matches the number of outdoor units detected on the outdoor unit main sub control wiring E29 Alarm Alarmcode E Alarm meaning Outdoor unit sub failed to receive signal from outdoor unit main Outdoor unit sub communications from outdoor unit main were interrupted for 3 minutes or longer Probable cause 1 After initial communications were completed the outdoor unit main sub control wiring was cut 2 After initial communications were completed the RC connector CN006 became disconnected 3 The power at the outdoor unit main is turned OFF 1 Check the outdoor unit main sub control wiring 2 Check the RC connectors 3 1 2 3 Check the power at the outdoor unit main sub Repair the outdoor unit main sub control wiring Correct the RC connector connection Correction 3 8 Trouble Diagnosis 3 W 2WAY ECO i Alarm Codes F04 F05 F22 Alarm Alarm code Compressor 1 discharge temperature sensor DISCH1 trouble compressor 2 discharge temperature sensor DISCH2 trouble
28. length of time Probable cause Operation failure of mechanical valve 3 Clogging of mechanical valve 3 Insufficient amount of refrigerant including trouble resulting from an insufficient initial charge and from gas leakage 4 Blocking of low pressure parts caused by intrusion of foreign objects moisture scale etc 5 Crossing tubing or PCB connectors with the other compressor thermistor 6 Expansion valve operation failure 7 Accumulation of refrigerant at stopped outdoor units 8 Compressor discharge sensor failure 9 PCB failure A D conversion failure 1 Operation failure of mechanical valve 3 Trouble The compressor discharge temperature does not decrease even when mechanical valve 3 is opened to 480 pulses Check Check whether or not mechanical valve 3 makes a grinding sound when the power is reset 2 Clogging of mechanical valve 3 Trouble The compressor discharge temperature does not decrease even when mechanical valve 3 is ON Check If mechanical valve 3 is open to 480 pulses then check whether or not the secondary side of the valve is cold 3 Insufficient refrigerant Trouble Liquid effectiveness is poor Check Check whether or not the superheating temperature is declining if the evaporator mechanical valve is opened to 300 pulses or more after checking for foreign object intrusion 4 Foreign object intrusion Trouble Liquid valve effectiveness is poor Check Check that there is no difference in the con
29. more open circuit Probable cause 1 Sensor malfunction including connector 2 PCB malfunction 1 2 Check 1 Measure the sensor resistance Check that the sensor is operating normally WN the microcomputer Correction 19 o O Example O Noes F12 Alarm Alarmeode P12 Alarm meaning Compressor intake temperature sensor SCT trouble Alarm conditions 1 A D step is 10 steps or less short circuit 2 A D step is 1014 steps or more open circuit Probable cause 1 Sensor malfunction including connector 2 PCB malfunction Check 1 Measure the sensor resistance Check that the sensor is operating normally 2 Use a remote controller monitor or PC monitor to check the temperature that is recognized by the microcomputer O Correction Example F16 Alarm Alarm code 2 Sensor open circuit Probable cause 1 Sensor malfunction including connector Presbecsse i Beg maller oeo 1 2 we Lei get Check Measure the sensor resistance Check that the sensor is operating normally Use a remote monitor or a PC monitor to check the temperature that is recognized by the microcomputer ett Notes F17 Alarm Alarm code 2 Sensor open circuit Probable cause 1 Sensor malfunction including connector tt Check Measure the sensor resistance Check that the sensor is operating normally 1 2 Use a remote monitor or a PC monitor to check the temperature tha
30. on the HIC PCB L04 Alarm Alarm meaning Outdoor unit refrigerant system address duplication Communication by inter unit control wiring was received that contained the same address as that unit 5 times or more within 3 minutes Example O Notes Recovery from this alarm occurs automatically when communication that contains the same address as that unit is not received for 3 minutes after detection LOS Alarm Alarm meaning Duplicated indoor unit priority alarm at priority indoor units Alarm conditions Multiple indoor units set as the priority unit were detected Probable cause More than one indoor unit is set as the priority unit Check From the wired remote controller use the indoor unit EEPROM simple settings mode and Te Se Correction If the value of indoor unit EEPROM item code 04 is incorrect set the correct value from the wired remote controller Example m7 O Notes This alarm is displayed at the indoor units which are set as the priority unit At indoor units which are not set as the priority unit alarm L06 is displayed 3 16 Trouble Diagnosis 3 W 2WAY ECO i Alarm Codes L06 Alarm Alarm meaning Duplicated indoor unit priority alarm at non priority indoor units and outdoor unit Alarm conditions Multiple indoor units set as the priority unit were detected in the system Probable cause More than one indoor unit is set as the priority unit in the system Check Find the indoor units in t
31. performing Auto Address Setting Case 3A or Case 3B in the flow chart described on page 1 3 Check that the refrigerant tubing connections are correct when performing Auto Address Setting Case 3A or Case 3B in the flow chart described on page 1 3 Check that there are no problems with indoor unit sensors E1 and E3 when performing Auto Address Setting Case 3A or Case 3B in the flow chart described on page 1 3 Check that there are no indoor units where the system address was already incorrectly set by manual or automatic address setting ef lel jo ol O O JO EOE When automatic address setting is started from the outdoor unit control PCB or from the remote controller Nang SETTING appears on the remote controller at units where the inter unit control wiring and remote controller wiring are connected correctly LED 1 and 2 on the outdoor unit control PCB blink alternately eIn the case of indoor unit group control if there is a mistake in the group control wiring addresses may not be set even if Saag SETTING appears Even if alarm E15 or E16 appears addresses are set at those indoor units which could be verified The set addresses can be checked using the wired remote controller e If one of the below alarms appears when the remote controller is operated after automatic address setting was completed LED 1 and 2 on the outdoor unit control PCB are turned OFF follow the instructions in the table below and correct the
32. refrigerant type If the setting is incorrect change it to R410A Correction e OS Eee Probable cause Example Notes The outdoor unit maintenance remote controller is required in order to set the refrigerant type in the outdoor unit EEPROM L18 alarm Alarm code L18 4 way valve operation failure Alarm conditions During heating operation Comp ON the highest detected temperature at an outdoor unit heat exchanger EXG 1 EXG 2 EXL1 or EXL2 was 68 F 20 C or more above the outdoor air temperature Air Temp continuously for 5 minutes or longer or the detected suction temperature SCT was 68 F 20 C or more above the outdoor air temperature continuously for 5 minutes or longer Probable cause 1 The 4 way valve connector 20S CN060 has become disconnected from the control PCB 2 The 4 way valve circuit is locked mal functioning 1 l 2 Check 1 Check the 4 way valve connector 20S CN060 Ped iine connectar s normal check the way vahe wiring and the PGB creut Example Notes SS O 3 17 Trouble Diagnosis 3 W 2WAY ECO i Alarm Codes P03 P17 P18 Alarm Alarm meaning Compressor 1 discharge temperature trouble Compressor 2 discharge temperature trouble Compressor 3 discharge temperature trouble Alarm conditions Pre trip stop at 222 F 106 C or higher This alarm occurs when the pre trip counter reaches 4 However the counter is reset when the compressor has operated continuously for a certain
33. set System XX YY System XX System address YY Outdoor unit address the item code No values from the table below and the corresponding settings data 6 digits are displayed The item code number values shown in the table below and the corresponding setting data 6 digits are also displayed The 6 digits of the setting data are displayed by changing between the first 3 digits Fig C and the last three digits Fig D When the first 3 digits are displayed the top dot of the colon is illuminated 5 To exit setting mode press the CHECK button Returns to normal display mode COPY po H H Refrigerant type C and D are displayed alternately The example here 000 410 indicates R410A Parameter Description SET DATA 0 Disabled 112 36 Type 160 60 Type 280 90 Type 450 140 Type Outdoor unit capacity 6 10 200706MDC
34. sounding of five beeps and the attempted change in the operation will not be accepted 2 Remote Control Functions 2 Wireless Remote Controller 3 Operation STEP 2 STEP 3 STEP 1 6 Jx STEP 4 STEP 5 NOTE e To warm up the system the power mains must be turned on at least five 5 hours before operation STEP 1 To start the air conditioner STEP 2 Setting the mode STEP 3 Setting the fan speed STEP 4 Setting the temperature STEP 5 Setting the airflow direction STEP 6 To stop the air conditioner Press the operation button ON OFF button Press the MODE button to select the mode of your choice AUTO e HEAT DRY COOL or FAN Press the FAN SPEED selector button to select the fan speed of your choice AUTO 83 HI 8 MED or LO If AUTO is selected the fan speed switches automatically Usethe V or a button as appropriate to change the temperature setting as desired Y reduces the temperature and increases the temperature The temperature cannot be set during FAN mode operation When more than one indoor unit is connected the UNIT button is used first to select a unit Then use the FLAP button to set the airflow direction to a specific angle or to sweep Press the operation button ON OFF button again Automatic heating and The air conditioner automatically performs heating and cooling opera
35. sub unit control PCB set the unit No switch S007 to Er O LE 3 On the outdoor main unit control PCB check that the system address rotary switch S002 is setto 1 and that the DIP ON ON switch S003 is setto W 8 0 These are the settings at the time of factory shipment 1 2 OFF 4 Tosetthe number of indoor units that are connected to the outdoor unit to 10 on the outdoor main unit control PCB set the ON ON No of indoor units DIP switch S005 to L and set the rotary switch S004 to 0 1 2 3 OFF 5 Turn ON the power to the indoor and outdoor units 6 On the outdoor main unit control PCB short circuit the automatic address pin CN100 for 1 second or longer then release It d Communication for automatic address setting begins To cancel again short circuit the automatic address pin CN100 for 1 second or longer then release it The LED that indicates that automatic address setting Is in progress turns OFF and the process is stopped Be sure to perform automatic address setting again Automatic address setting is completed when LEDs 1 and 2 on the outdoor main unit control PCB turn OFF e 7 Operation from the remote controllers is now possible To perform automatic address setting from the remote controller perform steps 1 to 5 then use the remote controller and complete automatic address setting Refer to Automatic Address Setting from the Remote
36. the number of outdoor units e Turn the switches ON according to the number of outdoor units 1 4 For details refer to Table 7 3 S007 DIP switch 3P blue Unit No setting switch e The setting is 1 at the time of shipment For details refer to Table 7 4 S010 DIP switch 3P blue Backup operation switch If an INV compressor has malfunctioned turn CT1 ON and Back Up SW ON to operate the outdoor unit using only the constant speed compressor If a constant speed compressor has malfunctioned turn CT2 ON and Back Up SW ON to operate the outdoor unit using only the INV compressor Disconnect the wiring from the constant speed compressor PCB and Functions 1 Outdoor Unit Control PCB Terminal plug 3P plug black For communications circuit impedance matching e A connecting socket 3P black is attached to the terminal plug at the time of shipment from the factory e In the case of link wiring which combines the inter unit control wiring for multiple systems into a single communications circuit leave the connecting socket in place at only one of the outdoor units and move the socket from the SHORT side to the OPEN side at all other outdoor units If multiple connecting sockets are left in place communications trouble will Occur Power LED D53 LED red x 2 e LED 1 and 2 blink alternately while automatic address setting is in progress e Display the alarm contents for alarms which were detecte
37. to a specific angle 7 unit Unit Select button When more than one indoor unit is operated by one re mote control unit this button is used to select a unit when adjusting the air direction 8 Timer setting buttons 13 gt Weekly Program Function 9 FILTER reset button Use this button to reset the filter sign When H is displayed press this button after cleaning the filter 2 16 10 11 12 CB 13 1 Ventilation button Use this button when you installed a fan available in the market Pressing this button turns on and off the fan When turning off the air conditioner the fan will be also turned off While the fan is operating 7 will appear in the display H is displayed on the LCD of the remote control unit when pressing the ventilation button no fans are installed Inspection button Do not use this button amp Sleeping button rs Sleeping Function Remote control sensor Normally the temperature sensor of the indoor unit is used to detect the temperature However it is also pos sible to detect the temperature around the remote control unit Do not move the flap vertical airflow adjustment board with your hand The flap is automatically directed down when the unit is stopped The flap is directed up during the HEAT standby The flap starts swinging after the HEAT standby is can celled although the AUTO flap indication on the remote control unit is displayed duri
38. when the sensor itself has suffered some kind of malfunction other than a cut wire e When outdoor air temperature is 32 F 0 C or higher Alarm occurs if the temperature detected by the discharge sensor has changed by less than 4 deg when the compressor has operated for 10 minutes immediately after start e When outdoor air temperature is below 32 F 0 C Alarm occurs if the temperature detected by the discharge sensor has changed by less than 4 deg when the compressor has operated for 30 minutes immediately after start Probable cause 1 Discharge sensor temperature detector is not inserted into the tube s sensor holder 2 Discharge sensor itself has suffered some kind of malfunction other than a cut wire Check 1 Check that the discharge temperature sensor is inserted into the sensor holder 2 Check that sufficient heat conducting putty is applied 3 Remove the discharge sensor from the sensor holder and expose the sensor to the outside air for approximately 5 minutes Check that the temperature detected by the sensor changes to match the outside air temperature However the sensor cannot detect temperatures at or below 32 F 0 C 1 Install the sensor into the holder and apply sufficient heat conducting putty 2 If the sensor is malfunctioning replace it Example Notes The discharge temperature sensor is generally a sensor intended for accurate detection of high ee temperatures Therefore it will not accurately
39. 1 Compressor 3 constant speed overcurrent alarm H22 Compressor 3 constant speed lock current alarm Alarm conditions H11 H21 During operation the compressor current value exceeded 12 A for 30 seconds or longer However this alarm is not detected for 4 seconds after the compressor starts H12 H22 During operation the compressor current value exceeded 15 A for 2 seconds or longer However this alarm is not detected for 4 seconds after the compressor starts Probable cause Compressor failure locked or partially locked CT Current Transformer circuit failure including cut wiring Low power voltage PCB failure Compressor failure partially locked Trouble Current value during operation greatly exceeds the value shown above Check When the current for each phase is measured with a clamp meter or similar instrument check that the current value for all phases is not high If MG was forced ON use caution check that compressor noise will not occur or the compressor will not run with a groaning sound 2 CT circuit failure PCB failure Trouble Check Check for poor connector contact Check the continuity of the CT circuit Install a normal CT in place of this CT and check If current is detected then the PCB can be judged OK CT circuit failure Check that current is flowing in the phase where the CT circuit is connected Check voltage and current 3 Low power voltage Trouble In most cases this occurs when a
40. 1 for standards panel Super long life filter Oil guard panel 0001 Oil guard panel with raising lowering grille Ammonia deodorant filter GE KK deodorant filter High performance filter 90 by JIS colorimetric method High performance filter 65 by JIS colorimetric method Air Air cleaning unit WW unit Ge GE regeneration deodorant filter for air cleaning unit Deodorant filter Air blocking material for 3 way air discharge Air blocking material when a discharge duct is connected OG 0006 Air blocking material for 2 way air discharge Table 2 Table of DC Fan Motor Tap Settings ceiling mounted type Setting No Remote controller setting data Purpose of use names of accessories Standard setting at time of shipping High ceiling setting Super long life filter Ammonia deodorant filter 65 by JIS colorimetric method Optical regeneration deodorant filter High performance filter 65 by JIS colorimetric method Deodorant filter 65 by JIS colorimetric method Table 3 Table of DC Fan Motor Tap Settings 1 way Air Discharge Semi Concealed type Setting No Remote controller setting data Purpose of use names of accessories 0000 Standard setting at time of shipping 0001 Optical regeneration deodorant filter 3 0003 Deodorant filter 65 by JIS colorimetric method Ammonia deodorant filter 65 by JIS colorimetric method 2 38 Remote Control Functions 3 Timer Remote Controller RCS TM80BG Select
41. 1 LED2 Display meaning After the power is turned ON and automatic address setting is not in progress no communication with the indoor units in that system is possible After the power is turned ON and automatic address setting is not in progress 1 or more indoor units are confirmed in that system however the number of indoor units does not match the number that was set At time of automatic address setting the number of indoor units did not match the number that was set A when indoor units are operating indication appears on the display Refer to Table of Self Diagnostic Functions and Description of Alarm Displays Alternating Note A indicates that the solenoid is fused or that there is a CT detection current failure current is detected when the com pressor is OFF Remote controller display Name is blinking Test Run 3 Auto Address Setting 4 Remote Controller Test Run Settings Request concerning recording the indoor outdoor unit combination Nos After automatic address setting has been completed be sure to record them for future reference List the outdoor main unit system address and the addresses of the indoor units in that system in an easily visible location next to the nameplate using a permanent marking pen or similar means that cannot be abraded easily Example Outdoor 1 Indoor 1 1 1 2 1 3 Outdoor 2 Indoor 2 1 2 2 2 3 These numbers are necessary for
42. 2 on the outdoor unit control PCB do not turn OFF when Check the Alarm Display table and the outdoor unit power is turned ON and automatic address setting correct the problem cannot be started Refer to Section 3 Trouble Diagnosis An alarm appears immediately when automatic address setting is started from the wired remote controller Nothing happens when the operator attempts to start automatic Check that the wired remote controller address setting from the wired remote controller wiring and the inter unit control wiring are connected correctly Check that the indoor unit power is ON e Causes and corrections in instances when automatic address setting starts but cannot be completed successfully An alarm appears on the wired remote controller sometime from several Check the Alarm Display table and seconds to several minutes after automatic address setting is started correct the problem Trouble Cause and correction LED 1 and 2 on the outdoor unit control PCB indicate that automatic Refer to Section 3 mounts Ge address setting is in progress the LEDs blink alternately for several Check the alarm details on the Quidoor minutes after automatic address setting is started the compressors Unit Control PCB LED 1 and 2 Alarms may also start indicate that automatic address setting is completed turn OFF and stop several times however LED 1 and 2 never then correct the problem
43. 3 If group control is in effect press the button and select the address unit No of the indoor unit to set At this time the fan at the indoor unit begins operating 4 Press the temperature setting 4 buttons to select the item code to change 6 Press the timer time 4 x buttons to select the desired setting data For item codes and setting data refer to the following page 6 Press the button The display stops blinking and remains lit and setting is completed 7 Press the button to return to normal remote controller display 2 33 Remote Control Functions 3 Timer Remote Controller RCS TM80BG List of Detailed Setting Items Setting data Item code Item No Description No Description No Description 1 Way Air Discharge 4 Way Air Discharge oe Semi Concealed A PPS Semi Concealed X SES Concealed Duct U d Type Concealed Duct High e 0006 Static Pressure D 0007 Ceiling Mounted T 0008 Wall mounted K 0001 22 Type 0752 0003 28 Type 0952 0005 36 Type 1252 Indoor unit Type 2452 capacity 0009 56 Type 1852 0012 Exc Se de 4 0015 112 Type 3652 0017 140 Type 4852 _ Unit No 1 Unit No 2 System Unit No 3 Unit No 30 Indoor unit Individual 1 1 Indoor unit with no group wiring keen i F 9 en Shifts intake temperature by 20 F 10 C De men md ez Shifts intake temperature by 18 C 2 3 Jr Remote Con
44. 54GXH56A KHX2452 Wall Mounted If the fuse F002 has blown determine the cause and correct it CHK test pin DISP pin Then change the socket from the OG plug to the EMG plug TRANS S plug Control circuit fuse F002 EMG plug OC plug TTT RC plug po Se AS TRUN OM OPR Wi SUB MAIN SS N FAN DRIVE plug 7 i WW WW mp emm em emm em emm ep MITSUMI JAPAN EG P Sack y p 3 vi OPTION plug Microcomputer II A T10 plug JPO01 S 7 Nonvolatile memory IC d i reg gt pr l 82 Air Indoor heat exchanger Y H E IS Power LED LD002 EXCT plug Indoor heat exchanger Room temperature E1 sensor TA sensor 4 9 PCB and Functions 2 Indoor Unit Control PCB 5 CR2 for POW KR74GXH56 KHX0752 KHX2452 Wall Mounted Control circuit fuse F201 T20 plug EG TRANS S plug Ki OP1 plug POW KR74GXH56 0 gRY203 D201 i t E i N hs ad hr v E PE rumm WA q riet Si 000000 E 4 10 PCB and Functions 2 Indoor Unit Control PCB 6 Explanation of Functions CR KXRP56AN CR KXRP80AN POW KRP50A T10 CN105 for remote control 6P flag yellow Used for remote control Control items amp Start stop input Remote controller prohibit input 3 Start signal output Alarm signal output 2P plug red Can be used for demand control When input is present forces the unit to operate wit
45. Address Setting Automatic Address Setting in Heating Mode amp Indoor and outdoor unit power cannot be turned ON for each system separately In the following automatic setting of indoor unit addresses is not possible if the compressors are not operating Therefore perform this process only after completing all refrigerant tubing work Automatic Address Setting from Outdoor Unit 1 Perform steps 1 4 in the same way as for Case 2 5 Turn the indoor and outdoor unit power ON at all systems J 6 To perform automatic address setting in on the outdoor main unit control PCB in the refrigerant system where you wish to set the addresses short circuit the automatic address pin CN 100 for 1 second or longer then release it Be sure to perform this process for one system ata time Automatic address settings cannot be performed for more than one system at the same time Communication for automatic address setting begins the compressors turn ON and automatic address setting in Heating mode begins All indoor units operate To cancel again short circuit the automatic address pin CN100 for 1 second or longer then release it The LED that indicates automatic address setting Is in progress turns OFF and the process Is stopped Be sure to perform automatic address setting again Automatic address setting is completed when the compressors stop and LED 1 and 2 on the main unit control PCB turn OFF 7 Atthe outdoor mai
46. CT ACCT overcurrent compressor less than 80 Hz P16 See SH Compressor 2 constant speed discharge temp trouble P17 ready lamp blinking Compressor 3 constant speed discharge temp trouble P18 SE Outdoor unit fan trouble P22 XX eo XX DCCT ACCT overcurrent 80 Hz or more P26 Start failure caused by compressor wire missing phase DCCT P29 failure or similar problem INV compressor start failure Failure of nonvolatile memory IC EEPROM on indoor unit control PCB Operan ane pe F29 simultaneously GE Failure of nonvolatile memory IC EEPROM on outdoor unit control PCB eee del F31 Simultaneously HIO Protective Overload current detected Compressor 2 constant speed H11 device Compressor 3 constant speed H21 Lock current detected Compressor 2 constant speed H12 Compressor 3 constant speed H22 No current detected when Compressor 1 INV H03 compressor was ON Compressor 2 constant speed H13 Sa Timer lamp blinking Compressor 3 constant speed H23 Compressor 2 constant speed H15 SE xx o trouble Compressor 3 constant speed H25 Outdoor unit protection Low pressure trouble HO6 Outdoor unit protection HIC trouble alarm H31 Connection failure of oil detection sensor Compressor 1 INV H08 Compressor 2 constant speed H27 Compressor 3 constant speed H28 Fusing of electromagnetic contact Current detected when compressor was OFF AX sity binna fer oranges Automatic backup operation lt lt gt gt alarm
47. Controller 1 6 Test Run 3 Auto Address Setting Basic wiring diagram Example 2 e If link wiring is used When multiple outdoor main units exist remove the socket that is used to short circuit the terminal plug CN003 from all outdoor main unit PCBs except for one unit Alternatively move the sockets to the OPEN side No 1 main outdoor unit settings System address No of indoor units system 1 setting 13 units setting S002 S003 S004 S005 ON dt KE H SITE Do VEG OFF d 1 2 3J OFF No of S006 Unit S007 No 2 sub unit No 3 sub unit i Unit iT ON number ep ON JE SE an Gerber 5007 setting p WER g setting DA R setting well SE unit No 2 LI 2 3 OFF unit No 3 La Unit Leave the socket that gje SCH is used to short circuit Main the terminal plug Outdoor main sub Sub CN003 control wiring Remote controller rg communication wiring controller No 2 No 1 main unit settings Refrigerant System address No of indoor units circuit system 2 setting 9 units setting S002 5003 ON Guin NUT off No 2 Sub unit settings No of l Unit S007 outdoor D ou winter ELZ ON number o EN units 2 ol A H setting f setting eae setting 1 2 3 JOFF unitNo 1 Li OFF unit No 2 Li 2 31 OFF J Uni Move the socket to Unit SE oe the OPEN side No 2 SE Main CN003 Sub Outd
48. OD rd OO P Go PE PE EE EE PE JE E Nr Na Na Check that the high pressure switch connector is connected securely If it is connected securely then connect a pressure gauge to the high pressure outlet and monitor the high pressure while operating the system Check the pressure at the time when the high pressure switch operates If the pressure is less than 551 psi then it is possible that the check valve has failed The following concern cases in which the pressure Is actually too high If the operation is cooling operation check that the outdoor heat exchanger has not become clogged or blocked Remove any objects that impede the flow of air If the operation is cooling operation check that an air short circuit has not occurred at the outdoor unit The status is OK as long as the temperature in the area around the outdoor unit does not become abnormally high during operation If the operation is cooling operation check that the outdoor unit fan has not failed Check that the screws which fasten the fan have not become loose Check that the fan connector has been securely inserted into the outdoor unit PCB If the operation is heating operation check that the indoor unit air filter has not become clogged If it is clogged clean it If the operation is heating operation check that an air short circuit has not occurred at the indoor unit The status is OK as long as the temperature in the area around the indoor unit air intake does not bec
49. RCS TM80BG 12 Outing Function Outing function is a function that prevents the room temperature from increasing too much or decreasing too much when no one is in the room An air conditioner works automatically if this function is set effective General Performance of the Outing Function COOL DRY The air conditioner starts operation when the room temperature increases up to 1 8 F 1 C of the upper limit The air conditioner stops operation when the room temperature decreases up to 3 6 F 2 C of the upper limit m For Example amp Setting at Outing Temperature 86 F 30 C Outing function Upper limit Setting at Outing Temperature ON Sg e 1 8 F 1 C 86 F 30 C 84 F 29 C 82 F 28 C HEAT The air conditioner starts operation when the room temperature decreases up to 1 8 F 1 C of the lower limit The air conditioner stops operation when the room temperature increases up to 3 6 F 2 C of the lower limit m For Example amp Setting at Outing Temperature 53 F 12 C Room temperature 7 KN 57 F 14 C 55 F 13 C Outing function Lower limit gt _ _ _ __ 93 F 12 C Setting at Outing Temperature Precautions amp The outing control only starts stops the air conditioner It does not change the operation mode temperature setting Therefore the operation mode temperature needs to be set beforehand so that the outing function turns on the air
50. Run Naa 1 3 2 Seng Of UNIE CONTO PCB rinii AAAA 1 4 1 Main CEC OF Br 1 4 3 AUTO Addr ss SEN sirier raaraa EE ianiai 1 6 1 Auto Address Setting 1 6 4 Remote Controller Test Run Setting rrrsnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnennnnnnennnnvevnnnnvevnnnnvevnnnne 1 12 5 CAuUuOn for PUMP DOWD TE 1 13 6 Meaning Of Alarm MESSAGES iscicissnsisccssscensnsanstanenecnasareenssareninsnredcasinininersncininaccneiantinnnns 1 14 1 1 1 Test Run 1 Preparing for Test Run amp Before attempting to start the air conditioner check the fol lowing 1 All loose matter is removed from the cabinet especially Steel filings bits of wire and clips 2 The control wiring Is correctly connected and all electrical connections are tight 3 The protective spacers for the compressor used for trans portation have been removed If not remove them now 4 The transportation pads for the indoor fan have been removed If not remove them now 5 The power has been connected to the unit for at least 5 hours before starting the compressor The bottom of the compressor should be warm to the touch and the crank case heater around the feet of the compressor should be hot to the touch 6 Both the gas and liquid tube service valves are open If not open them now 7 Request that the customer be present for the trial run Explain the contents of the instruction manual then have the customer actually operate the system 8
51. SANYO TEST RUN SERVICE MANUAL W 2WAY ECO i MULTI SYSTEM ms R410A Models Indoor Units 1 Way Air Discharge Semi Concealed 1 UHX0752 U UHX2452 UHX3652 DHX3652 U Concealed Duct UHX0752 UHX1252 UHX1852 UHX2452 UHX3652 yy EE EEN DHX3652 1 gt Concealed Duct High Static Pressure T Ceiling Mounted a Outdooe Units Ges a 1 C ECO i W 2WAY CHDX09053 CHDX14053 85464849257000 REFERENCE NO SM830157 IMPORTANT Please Read Before Starting This air conditioning system meets strict safety and operat ing standards As the installer or service person it is an important part of your job to install or service the system so it operates safely and efficiently For safe installation and trouble free operation you must amp Carefully read this instruction booklet before beginning amp Follow each installation or repair step exactly as shown amp Observe all local state and national electrical codes amp This product is intended for professional use Permission from the power supplier is required when installing an outdoor unit that is connected toa 16 A distribution network amp Pay close attention to all warning and caution notices given in this manual AVE Ave This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death This symbol refers to a hazard or unsafe practice which can result in personal injury or pro
52. T disappears from the LCD display To prevent continuous test runs this remote controller includes a timer function that cancels the test run after 60 minutes The operation is possible even if the cassette type ceiling panel has not been installed P09 display does not occur 2 30 Remote Control Functions 3 Timer Remote Controller RCS TM80BG 15 Simple Settings Function e This allows the filter lifetime operating mode prior ity change central control address and other set tings to be made for an individual or group control indoor unit to which the remote controller used for simple settings is connected No When this function is engaged operation stops at the individual or group control indoor unit to which the remote controller for simple settings is con nected 1 R C No SETDATA lt Procedure gt Press and hold the and Le buttons simultaneously for 4 seconds or longer Q Gag unit No 1 or Ag 2 in the case of group control item code 7 and settings data myy are displayed blinking on the remote controller LCD display At this time the indoor unit fan or all indoor unit fans in the case of group control begins operating 3 If group control is in effect press the UNIT button and select the address unit No of the indoor unit to set At this time the fan at the indoor unit begins operating H A If unit No is disp
53. T in place of this CT and check If current is detected then the PCB can be judged OK CT circuit failure e Check that current is flowing in the phase where the CT circuit is connected Check voltage and current 2 Crossed wiring or installation error Trouble When the compressor is stopped the current value at the other compressor is high 2 3 4 5 1 3 If the cause is still unknown after checking the above then it is possible that noise is the cause of the trouble lt is necessary to connect a PC or other instrument Correction 1 Replace the CT circuit 2 Replace the outdoor unit PCB 3 Correct the problem Use a normal CT as a tool to determine whether the trouble is a PCB failure or CT failure 3 12 Trouble Diagnosis 3 W 2WAY ECO i Alarm Codes HO6 Alarm Alarmcode HB O O O Alarm meaning Abnormal low pressure drop Alarm conditions A pre trip occurs during the unit s operation when the low pressure sensor installed at constant low pressure parts detects a pressure of 7 25 psi or less continuously for 2 minutes or an instantaneous pressure of 2 90 psi or less These values represent abnormal low pressure which may damage the compressor However the alarm does not actually occur the first 2 times that the above operation takes place At these times the outdoor unit is stopped and the conditions are monitored The alarm occurs when the above operation occurs for the third time The first 2 times
54. When turning on the power supply the number of connected indoor units E04 does not correspond to the number set Except R C address is 0 Error of the main outddor unit in receiving serial communication signal lt E06 gt from the indoor unit Improper setting of indoor unit Indoor unit address setting is duplicated E08 or remote controller Remote controller adress connector RCU ADR is duplicated zaros Duplication of main remote controller During auto address setting Starting auto address setting is prohibited number of connected units does This alarm message shows that the auto address connector CN100 is E12 not correspond to number set shorted while other RC line is executing auto address operation Error in auto address setting Number of connected indoor units is less E15 When turning on the power than the number set supply number of connected Error in auto address setting Number of connected indoor units is more E16 units does not correspond to than the number set number set Se Except R C address is 0 No indoor unit is connected during auto address setting E20 Main outdoor unit is detecting error signal from sub outdoor unit E24 Error of outdoor unit address setting E25 The number of connected main and sub outdoor units do not correspond E26 to the number set at main outdoor unit PCB Error of sub outdoor unit in receiving serial communication signal from E29 main outdoor unit Indoo
55. a cooling operation when its operation is started up at a room temperature of 75 F 24 C or above Conversely it initiates a heating operation when its operation is started up at a room temperature below 75 F 24 C Press the Emergency operation button once more T type Initiate operation using the Emergency operation button in the signal receiver on the indoor unit Operation Press the Emergency operation button The air conditioner initiates a cooling operation when its operation is started up at a room temperature of 75 F 24 C or above Conversely it initiates a heating operation when its operation is started up at a room temperature below 75 F 24 C Press the Emergency operation button once more K type Initiate operation using the Emergency operation button in the operation area of the indoor unit Operation Set the ON OFF operation switch to OF P first Then set it to ON If a heat pump is used the air conditioner initiates a cooling operation when its operation is started up at a room temperature of 75 F 24 C or above or it initiates a heating operation when its operation is started up at a room temperature below 75 F 24 C Set the ON OFF operation switch to OFF TEST is used to initiate a trial run when the air conditioner is first installed It is not used under normal circumstances e To restart the wireless remote control unit s operation the ON
56. ailed to receive serial communication signals from indoor unit Automatic address setting start is prohibited Automatic address setting alarm too few units E16 Automatic address setting alarm too many units 3 7 E20 No indoor units at automatic address setting 3 7 E24 Outdoor unit INV failed to receive communications from another outdoor unit constant speed Outdoor unit address setting failure duplication Mismatch in outdoor unit quantity Outdoor unit failed to receive communication from relay control unit Compressor 1 discharge temperature sensor trouble Compressor 2 discharge temperature sensor trouble Compressor 3 discharge temperature sensor trouble F16 High pressure sensor trouble 3 11 Out Liquid temperature sensor trouble at outdoor heat exchanger 2 Out Outdoor unit non volatile memory EEPROM trouble H03 Compressor CT sensor disconnected or short circuit 3 12 Constant speed compressor 2 overcurrent alarm Constant speed compressor 2 lock current alarm 3 14 Compressor 1 discharge temperature sensor disconnected 3 15 Low pressure trouble in refrigerant circuit 3 13 Compressor 2 discharge temperature sensor disconnected H21 Compressor 3 overcurrent alarm 3 14 H22 Compressor 3 lock current alarm 3 14 H25 Compressor 3 discharge temperature sensor disconnected 3 15 H31 HIC trouble alarm 3 16 L04 Outdoor unit address duplication Cid 105 Duplicated indoor unit priority alarm at prior
57. ain indoor unit in receiving serial communication signal error of group control wiring from sub indoor units E18 During auto address setting Number of connected indoor units is less than the number set number of connected units l Se does not correspond to Number of connected indoor units is more than the number set i p number set No indoor unit is connected during auto address setting E20 lamp pining Main outdoor unit is detecting error signal from sub outdoor unit E24 e o gt Duplicated outdoor unit address E25 Mismatch in No of outdoor units setting E26 Error of sub outdoor unit in receiving serial communication signal E29 from main outdoor unit Improper setting Connected indoor unit is not a multi unit lt lt L02 gt gt Duplication of main indoor unit address setting in group control lt LO3 gt Duplicated indoor unit priority priority indoor unit LOS Ref SSES f Operating and heating Duplicated indoor unit priority non priority indoor unit and LOG ready lamps blinking outdoor unit simultaneously Group control wiring is connected to individual control indoor unit L07 xx oS Indoor unit address is not set Los Capacity code of indoor unit is not set lt lt L09 gt gt Mismatch of outdoor unit type L17 Duplication of outdoor R C address setting L04 ed simultaneously Capacity code of outdoor unit is not set xt O xt Thermistor Indoor unit Indoor co
58. amount of leaked refrigerant gas in rooms D E and F is 529 oz 2 The standards for minimum room volume are as fol lows 1 No partition shaded portion YL 2 When there is an effective opening with the adjacent room for ventilation of leaking refrigerant gas open ing without a door or an opening 0 15 or larger than the respective floor spaces at the top or bottom of the door Outdoor unit Refrigerant tubing Indoor unit 3 If an indoor unit is installed in each partitioned room and the refrigerant tubing is interconnected the smallest room of course becomes the object But when mechanical ventilation is installed interlocked with a gas leakage detector in the smallest room where the density limit is exceeded the volume of the next smallest room becomes the object Refrigerant tubing y Outdoor unit Indoor unit Large room Mechanical ventilation device Gas leak detector 3 The minimum indoor floor space compared with the amount of refrigerant is roughly as follows When the ceiling is 8 8 ft high ft 3 ft 2 4000 454 Range below 398 the density limit of 0 3 oz ft 3 countermeasures not needed Range above the density limit of 0 3 oz tt 3 500 countermeasures needed 3500 3000 2500 2000 1500 Min indoor volume 1000 Min indoor floor area when the ceiling is 8 8 ft high 0 200 400 Total amount of refrigerant
59. and hold the and buttons for 4 seconds or longer Press and hold the and buttons for 4 seconds or longer Press and hold the and 7 buttons for 4 seconds or longer Press and hold the a and buttons for 4 seconds or longer Press and hold the and the timer operation 4 buttons for 4 seconds or longer Press and hold the and the timer operation v buttons for 4 seconds or longer COPY D TIMER OFF 2 40 Press the button Automatic reset Press the button Remote Control Functions Current operation is maintained When settings are made from a remote controller the indoor unit where that remote controller is connected stops Entire system stops 3 Timer Remote Controller RCS TM80BG i plalilijiji Test Run Function HHRH Operates the unit with the thermostat forced ON lt Procedure gt I Press and hold the button for 4 seconds or longer 2 Test appears on the remote controller LCD display RS lol Ss 3 Start operation de gie E SET 4 Press the button to return to normal remote controller display 2 41 Remote Control Functions Remote Control Functions 3 Timer Remote Controller RCS TM80BG E Sensor Temperature Display Function Sensor Temperature Diaplay displayed regardless of whether unit is operating or stopped The procedure below displays the sensor tempera tures from the remote controller indoor unit
60. are for unit No 4 Service Checker 1 Outdoor Unit Maintenance Remote Controller 5 Outdoor Unit Alarm History Monitor TAHHAF Recalls and displays the outdoor unit alarm history This is for the outdoor unit only Indoor unit alarms cannot be recalled The indoor unit alarm history can be viewed on the indoor unit remote controller or other controller lt Operation procedure gt Press and hold the CHECK button and SET button simultaneously for 4 seconds or lon fa ger to engage outdoor unit alarm history mode A o o During temperature monitoring illuminates B The display and operations are the same as for the alarm history monitor performed from the indoor unit remote controller However the unit No display shows the outdoor unit address Press the UNIT button and select the outdoor unit for which to monitor the alarm history 3 Press the temperature setting a Jand y buttons and select the item code for the alarm history The selected outdoor unit address the item code and the alarm history alarm data are displayed The outdoor unit address is displayed as R C XX YY R C XX Outdoor unit system address YY Outdoor unit address Item codes 01 08 are displayed 01 indicates the most recent alarm The alarm history displays the alarm code If no alarms are present then is displayed To clear the alarm history press the CANCEL button T
61. ayed matches the signal receiver s address The buzzer always sounds if ALL appears as the address display If ALL appears as the address display operations can be performed irrespective of the signal receiver s address Point the wireless remote control unit at the signal receiver of the unit to be operated and send the signal How to set the Wireless remote control unit s address setting matching address 1 When the ADDRESS button is held down for 4 or more seconds lights on the wireless remote control unit s display and the current address blinks 2 Each time the ADDRESS button is now pressed the address changes by one setting in the following sequence ALL gt 1 2 5 3 5 6 ALL Select the setting which matches the setting of the address switch in the operation area of the indoor unit to be operated 3 When the SET button is now pressed the address stops blinking and lights instead and it remains on the display for 5 seconds The buzzer sounds if the setting matches the setting of the address switch in the operation area of the indoor unit NOTE When the batteries are replaced the address setting returns to ALL 2 10 2 Wireless Remote Controller Wireless remote control unit address displays X type Position of address switch on signal receiver inside indoor unit T type Position of address switch on signal receiver inside indoor unit K type Position of address switc
62. cannot be performed for more than one system at the same time Communication for automatic address setting begins the compressors turn ON and automatic address setting in Cooling mode begins All indoor units operate To cancel again short circuit the automatic address pin CN100 for 1 second or longer then release it The LED that indicates automatic address setting is in progress turns OFF and the process is stopped Be sure to perform automatic address setting again Automatic address setting is completed when the compressors stop and LED 1 and 2 on the outdoor main unit control PCB turn OFF At the outdoor main unit in the next different system short circuit the automatic address pin CN100 for 1 second or longer then release it Repeat the same steps to complete automatic address setting for all units Operation from the remote controllers is now possible Automatic address setting in Cooling mode cannot be done from the remote controller Automatic Address Setting from the Remote Controller Selecting each refrigerant system individually for automatic address setting Automatic address setting for each system Item code A1 1 Press the remote controller timer time 4 button and button at the same time SETTING Press and hold for 4 seconds or longer i H Next press either the temperature setting a Jor Y button Check that CODE No the item code is A1 Use either th
63. collecting system Test Run 6 Meaning of Alarm Messages 6 Meaning of Alarm Messages Table of Self Diagnostics Functions and Description of Alarm Displays Alarm messages are indicated by the blinking of LED 1 and 2 D72 D75 on the outdoor unit PCB They are also displayed on the wired remote controller Viewing the LED 1 and 2 D72 and D75 alarm displays LED1 Alarm contents xt Alarm Display Alternating LED 1 blinks M times then LED 2 blinks N times The cycle then repeats M 2 P alarm 3 Halarm 4 E alarm 5 F alarm 6 L alarm N Alarm No Example LED 1 blinks 2 times then LED 2 blinks 17 times The cycle then repeats Alarm is P17 xt Blinling Connect the outdoor maintenance remote controller to the RC socket on the outdoor main unit control PCB 3P blue and check the Alarm Messages on the remote controller display Alarm Possible cause of malfunction Message Serial Remote controller is detecting Error in receiving serial communication signal communication error signal from indoor unit Signal from main indoor unit in case of group control lt E01 gt errors Ex Auto address is not completed Mis setting me l ne Error in transmitting serial communication signal lt E02 gt Indoor unit is detecting error signal from remote controller and system controller lt lt E03 gt gt Indoor unit is detecting error Error in receiving serial communication signal signal from main outdoor unit
64. controller LED red Illuminates when power is supplied Blinks when there is a failure in the EEPROM IC10 nonvolatile memory Nonvolatile memory Memory which stores the unit type data and other information When the PCB is replaced remove the EEPROM from the old PCB and install it onto the new PCB If an IC failure occurs replace with a new IC which was provided with the service PCB and set the necessary information from the wired remote controller For the procedure refer to the servicing technical materials For AC fan motor CR UXRP71B B 3P yellow For DC fan motor CR SXRP56B B 5P blue The indoor unit power terminal plate will be a 7P type or may be a 5P type Refer to the figure at below The basic wiring dia gram shows the 7P type terminal plate Therefore the terminal plate may differ from the illustrations 7P type terminal plate 5P type terminal plate Power Inter unit Remote Power Remote supply control line control line supply control line 4 6 PCB and Functions 2 Indoor Unit Control PCB 1 For AC Fan Motor CR UXRP71B B EEPROM ICO010 OG CN040 EMG CN044 VARISTOR VA100 auca nye irene icon a Pio MODEL 2 DE EG Ur GA ametite 7 40002 LEDI Senn eet mek emm Es Raag 02150001 2203 R S 1 d H Ki 207 Lal k d ont 4 ei g R203 0202 aai ro LSA MG iii d On Wi D FATTER E TA Mag lt 3 oer
65. ctor OC CN001 is disconnected at the outdoor unit The power is OFF at all indoor units in the system Check Check whether the inter unit control wiring from the outdoor unit to the indoor units is cut Check whether serial connector OC CN001 is disconnected at the outdoor unit Check the power at the indoor units A Ka 033 es E24 Alarm Alarm code E26 Outdoor unit main failed to receive signal from other outdoor unit sub Alarm conditions After initial communications were completed communications from an outdoor unit stopped Probable cause 1 After initial communications were completed the outdoor unit main sub control wiring was cut 2 After initial communications were completed the outdoor unit power was turned OFF Check Correction 3 Trouble Diagnosis 3 W 2WAY ECO i Alarm Codes E25 Alarm Alarm code Outdoor unit address setting failure duplication Alarm conditions Communication by the outdoor unit main sub control wiring was received that contained the same address as that unit 5 times or more within 3 minutes Probable cause The unit number is set incorrectly Check the unit number again Correct the incorrect unit number setting fame SO Notes Recovery from this alarm occurs automatically when communication that contains the same address is not received for 3 minutes E26 Alarm Alarmcode E26 O Alarm meaning Mismatch in outdoor unit quantity After power
66. d by the outdoor unit LED red Power indicator Indicates the DC 5V power on the outdoor unit control PCB 2P plug white Start pin Short circuit this pin and apply a pulse signal to start all indoor units in that refrigerant system AP CN102 Mode CN101 Test CN022 2P plug white Stop pin Short circuit this pin and apply a pulse signal to stop all indoor units in that refrigerant system 2P plug white Vacuuming pin e To perform vacuuming of the outdoor unit short circuit this pin and then turn the power ON All solenoid valves turn ON and vacuuming begins smoothly Do not perform automatic address setting at this time Release the short circuit to return the unit to normal status 2P plug white Indoor unit Heating Cooling mode change pin e When operating the compressors to perform automatic address setting operation in Heating mode can be normally used However short circuiting this pin performs operation in Cooling mode Static signal Short circuiting this pin during ordinary operation changes the mode from Cooling to Heating if the current mode is Cooling or from Heating to Cooling if the current mode is Heating 2P plug white e This pin is used to test the PCB at the factory e When the power is turned ON after this pin has been short circuited all output signals will be output in sequence Sequential output does not occur if this pin is short circuited when the power is already ON
67. densation or frost conditions between the strainer primary side and secondary side tubing 5 Crossed thermistor Trouble The discharge temperature of the other compressor is high although only this compressor is operating When the liquid valve turns ON the discharge temperature of the other compressor decreases Check 6 Accumulation of refrigerant in stopped outdoor units Trouble System is OK when all outdoor units are operating however symptoms of insufficient gas occur when a certain outdoor unit is stopped e Condensation or frost is visible up to the top of the accumulator of the stopped outdoor unit e After an outdoor unit stops there is the sound of refrigerant flowing into an outdoor unit that was stopped for a long time e When an outdoor unit starts after being stopped for a long time the start is accompanied by much vibration Check In some cases leakage may be occurring from the evaporator mechanical valve or mechanical valve 3 at a stopped outdoor unit 7 Sensor failure Check This alarm is likely to occur when wiring is partially cut It is difficult to identify even when continuity is checked The detected discharge temperature is high e Although such conditions rarely occur a P02 alarm is likely if the detected discharge temperature is low e Replace the sensor with another discharge sensor and compare the temperature conditions Correction 1 Replace the sensor 2 Replace the outdoor unit PCB
68. duct or property damage If Necessary Get Help These instructions are all you need for most installation sites and maintenance conditions If you require help for a special problem contact our sales service outlet or your certified dealer for additional instructions In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance service including fail ure to follow the instructions in this document SPEGIAL PRECAUTIONS WARNING When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked Highly dangerous electrical voltages are used in this sys tem Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inad equate grounding can cause accidental injury or death Ground the unit following local electrical codes e Connect all wiring tightly Loose wiring may cause over heating at connection points and a possible fire hazard When Transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers When Installing Ina Room Proper
69. e f alarm E15 E16 or E20 appears after automatic address setting is started check the following items Alarm display Alarm description E15 The number of indoor units detected during automatic address setting was smaller than the number of indoor units which was set with switch 5004 and S005 on the outdoor unit PCB The number of indoor units detected during automatic address setting was larger than the ele number of indoor units which was set with switch 5004 and S005 on the outdoor unit PCB E20 The outdoor unit received no serial signals from indoor units within 90 seconds after automatic address setting was started Self Diagnosis F unction Table 1 Self Diagnosis Function Table m NO Check items Check that the indoor unit power is turned ON A di Check that the inter unit control wiring is connected correctly Check that there are no open circuits short circuits terminal plugs incorrect wiring to the remote controller terminals or Q similar problems Check that the remote controller wiring is connected correctly Check that there are no open circuits short circuits incorrect wiring to the inter unit control wiring terminals group control O crossover wiring or similar problems Check that the number of indoor units has been set correctly using switch S004 and S005 on the outdoor unit control PCB Check that the amount of additional refrigerant charge is correct when
70. e 197 O Notes 17 O P16 Alarm Alarm eode PIG Alarm meaning Compressor 1 INV overcurrent alarm Alarm conditions This alarm occurs when current trouble or current detection trouble occurs at an inverter frequency of less than 80 Hz after start when trouble judgment current is detected 13 5 A or higher in the primary or secondary current Probable cause There is a strong possibility of a compressor failure An alarm occurs for current detection trouble when it is judged that no current is flowing after start DCCT is damaged In this case the cause is a DCCT failure The cause may be the effects of noise in some cases Check the power wiring and connector wiring Correction It is possible to resolve this trouble by limiting the maximum frequency Example Notes 7 O 3 20 Trouble Diagnosis 3 W 2WAY ECO i Alarm Codes P22 Alarm Fan motor trouble Fan motor start failure fan motor Hall IC input failure Possible causes are a Hall IC input circuit failure and a fan HIC failure Check Check the fan motor wiring the Hall IC wiring and the connector connections If the wiring and connectors are normal then check that the capacitor of the Hall IC input circuit is securely soldered onto the PCB Also use a tester and measure the resistance between fan HIC power HIC and ground HIG If there is a short circuit there is an HIC malfunction A Eco O CHECK DISCHARGE i gt DON T TOUCH PE Vale Correct
71. e airflow direction is displayed on the remote control unit Operation mode Number of airflow direction settings COOL or DRY 3 HEAT or FAN 5 AUTO Cooling mode 3 Heating mode 5 CAUTION In the Cool mode and Dry mode if the flaps are set in a downward position condensation may form and drip around the vent Do not move the flap with your hands NOTE This function is available only for models X A T and K SWEEP 2 Use this button to make the airflow direction sweep up and down automatically Press this button several times until the symbol appears on the display To stop the swing operation Press the FLAP button again during the flap swing operation to stop the flap at the desired position Then the airflow can be set from the top position by pressing the FLAP button again Remote Control Functions 2 Wireless Remote Controller Indicator when swing operation is stopped Fan and heating Cooling and drying During cooling and drying the flap does not stop at the downward position Even if the flap is stopped at the downward position during the swing operation it does not stop until it moves to the third position from the top NOTE This function is available only for models X A T and K J TIMER SET button Use this button while the unit is operating to switch between timer settings OFF Timer The air conditioner stops after a preset time elapses OFF Cycle Timer C9 O The a
72. e information as during normal 56 EEE operation 3 57 DE R OT gt I Gei O M s OO Go Wi OI Oo O oo gt ol gt N vn Indoor unit sensors Intake temp Discharge temp Discharge temp setting Position of indoor unit Motor Operated Valve MOV w O U a o O U N i 70 Lowes seecrionp 7 sene mm o o Ce j o NO CH ice OT TI w w w hm nimo O o o M D NO KR A CH OO O AN AN gt O NO CS ele e ls ER N D AN Trouble Diagnosis Contents 3 TROUBLE DIAGNOSIS 1 Contents of Remote Controller Switch Alarm Display rnnnnnernnnnnonnnnnnnnnnnnvennnnnnennnnnenn 3 2 2 Outdoor Unit Control PCB LED Display nrrnnnnvennnnnnnnnnnnennnnnnnnnnnnnennnnnnnnnnnnnnnnnnnennnnnnennnnnne 3 4 3 W 2WAY ECO i Alarm Codes rnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnnnennnnnnnnnnennnnuene 3 5 4 Blinking A Inspection Display on the Remote Controller rrrrvnnnuvvvnnnvevnnnnvennnnuvevnnn 3 22 3 1 Trouble Diagnosis 1 Contents of Remote Controller Switch Alarm Display ON Blinking OFF Wired Wireless ali remote controller display receiver display Possible cause of malfunction Sep e 2 DE Bois SZ o ST O F 10 2 Gara Remote controller is Error in receiving serial communication signal communication detecting error signal from Signal f
73. e initial communications are completed If initial communications have not been completed alarm E04 occurs E12 Alarm Alarm code Automatic address setting start is prohibited Alarm conditions Automatic address setting was started when automatic address setting was in progress at another outdoor unit in the same link Probable cause Automatic address setting is in progress at another outdoor unit Check This alarm is not displayed on the remote controller Therefore check the blinking on the outdoor unit PCB Correction Wait for automatic address setting to be completed at the outdoor unit where it is currently in kenn progress Then start automatic address setting again Example KEREN E15 Alarm Alarm code Automatic address setting alarm too few units The number of indoor units was too few when automatic address setting was performed Probable cause 1 The number of indoor units set at the indoor unit quantity setting SW No of I U 5004 S005 on the outdoor unit PCB is too many 2 The inter unit control wiring between indoor units has been cut Check 1 Refer to the test run servicing materials and check the indoor unit quantity setting SW No of I U 5004 5005 2 Check the inter unit control wiring at the indoor and outdoor units Correction After correcting the indoor unit quantity setting or the inter unit control wiring perform automatic address setting again Notes LE AU AIR Ate i s OF
74. e locations where and are displayed as shown on Fig 6 3 6 5 Fig 6 3 Sample display Fig 6 4 Fig 6 5 O DE al na lt No of connected indoor units gt 4 units connected Fig 6 4 Vad X COPY SZ O DE IT Mr lt Unit Nos 1 2 3 4 connected gt Fig 6 5 Service Checker 1 Outdoor Unit Maintenance Remote Controller HM Concerning the 7 segment 4 digit display of remote controller timer time amp The unit Nos of connected units are indicated by four 7 segment digits PP HH and a colon 1 Display of unit Nos 1 20 OFF OFF OFF OFF Meaning of colon KI KI Bi 14 Bis 19 S z 7 RR SR EEN EE O LI E H HL So te ca ate ON ON ON ON 2 Display of unit Nos 21 40 OFF OFF OFF OFF Meaning of colon bl bil gt bil Vil ne am Fam ap tan mv an mv ena 42902140 41 60 61 80 ON ON ON ON 3 The meaning of the colon changes in the same way to indicate unit Nos up to 80 4 Sample displays of connected indoor unit Nos e Display of unit No 1 D an da da a e Display of unit Nos 1 and 2 D A ER E 46 e Display of unit Nos 1 2 and 3 D E 8 EE a da e Display of unit Nos 1 2 3 and 4 D 4 gt 8 a a aD The change of the colon display between unit Nos 1 20 to unit Nos 21 40 occurs automatically every 10 seconds However the display does not change if there are no higher number units
75. e occurs Probable cause Generally this alarm occurs when the refrigerant pressure balance is uneven at start or when inverter compressor lock occurs there is a missing phase in the inverter compressor wiring or a DCCT failure occurs This can be judged to be starting trouble which is not caused by HIC Check the power wiring and connector wiring DCCT failure replace PCB or compressor failure Exampe 197 Notes Use a tester to measure the voltage between the DCCT output terminal on the rear of the PCB and the ground If the voltage is not within 2 3 V then the DCCT has malfunctioned 3 21 Trouble Diagnosis 4 Blinking AN Inspection Display on the Remote Controller CAUTION Currently the blinking inspection display can be displayed only on the wired remote controller and system remote controller Blinking inspection display 1 Automatic backup Alarm code Blinking N inspection display Alarm meaning Automatic backup is in progress A C units can be operated Status The compressor at one of the outdoor units where the outdoor unit fan is running should be operating Blinking inspection display also occurs when seizing of the compressor magnet SW is detected Because this may also be the case refer to Blinking inspection display 2 compressor magnet SW seizing detection Alarm conditions When alarm P16 P22 P26 P29 Hx1 Hx2 or H31 has occurred correcting the control device remote controller
76. e or button to set the system No to perform auto matic address setting Then press the SET button ES pRocram _ Automatic address setting for one refrigerant system begins AAT WIC When automatic address setting for one system is completed the system returns T Ers ENE EM to normal stopped status lt Approximately 4 5 minutes is required gt During automatic address setting NOW SETTING is displayed on the remote controller This message disappears when automatic address setting is completed Repeat the same steps to perform automatic address setting for each successive system Test Run 3 Auto Address Setting Display during automatic address setting amp On outdoor main unit PCB LED 2 1 9 Do not short circuit the automatic address setting pin CN100 again while automatic address setting is in Ke progress Doing so will cancel the setting operation and will cause LED 1 and 2 to turn OFF Blink alternately When automatic address setting has been successfully completed both LED 1 and 2 turn OFF LED 1 is D72 LED 2 is D75 If automatic address setting is not completed successfully refer to the table below and correct the problem Then perform automatic address setting again amp Display of LED 1 and 2 on the outdoor unit control PCB Xt ON Blinking e OFF LED
77. e power OFF at the main power box mains before opening the unit to check or repair electrical parts and wiring e Keep your fingers and clothing away from any moving parts Clean up the site after you finish remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced Ventilate any enclosed areas when installing or testing the refrigeration system Escaped refrigerant gas on contact with fire or heat can produce dangerously toxic gas Confirm after installation that no refrigerant gas is leak ing If the gas comes in contact with a burning stove gas water heater electric room heater or other heat source it can cause the generation of poisonous gas Check of Density Limit The room in which the air conditioner is to be installed requires a design that in the event of refrig erant gas leaking out its density will not exceed a set limit The refrigerant R410A which is used in the air con ditioner is safe without the toxicity or combustibility of ammonia and is not restricted by laws imposed to protect the ozone layer However since it contains more than air it poses the risk of suffocation if its density should rise excessively Suffocation from leakage of refrigerant is almost non existent With the recent increase in the num ber of high density buildings however the installation of multi air conditioner systems is on the increase because of the need for effective use
78. eceiver s NORMAL ALL OFF If it is set it to the NORMAL position and O i 2 switch set to ALL OFF cancel the operation O Have the wireless remote control unit s If they have replace them with new ones batteries run down Do the indication lamps show a cooling heating Change the operation mode mismatch or is the auto cooling heating function not available Auto cooling heating or heating appears on the display even though the air Change the setting of the wireless remote conditioner is a cooling only model control unit s slide switch See page 2 9 An indicator lamp is blinking l NN l Operation Tina Preparing for Some kind of trouble has occurred in communication between the signal operation receiver and indoor unit Alternatively the wrong address has been set when a wired remote control unit is used NAP Operation Preparing for Some kind of trouble has occurred in communication between the indoor Roe unit and outdoor unit o an ta Operation Preparing for The indoor unit s protection device has been activated Alternatively the ee auto flap connector of the ceiling panel has been disconnected SR O poa cp Operation Gel for The outdoor unit s protection device has been activated operation Sey ZN Contact your dealer jr for Something is wrong with the temperature sensor operation Operation fre for The outdoor unit s compressor has been protected opera
79. em address However it is not necessary to set these switches 1 5 Test Run 3 Auto Address Setting 1 Auto Address Setting Basic wiring diagram Example 1 e If link wiring is not used The inter unit control wires are not connected to multiple refrigerant systems Indoor unit addresses can be set without operating the compressors No 1 main outdoor unit Settings No of indoor units System address 10 units setting system 1 setting 5002 a S004 No 2 Sub unit No 3 Sub unit No of Unit S007 outdoor on on Unitnumber PA om number y units 3 units d g f setting P f N setting setting OFF Unit No 1 GE Unit No 2 2 n SE Leave the socket that T is used to short circuit ni e NI the terminal plug NI NI Outdoor Unit No 1 CN003 No 2 No 3 Main Outdoor main sub Sub Outdoor main sub Sub control wiring control wiring Inter unit control wiring f EE U Indoor Unit 1 1 1 2 1 3 Q Remote controller Remote controller E cross over wiring 1 Automatic Address Setting from the Outdoor Unit 1 To setthe number of outdoor units on the outdoor main oe set the No of outdoor units DIP switch S006 to ON ON m m R 3 units and set the unit No DIP switch S007 to i unit No 1 main outdoor unit 1 2 3 OFF H unit No 2 2 3 ep LA 2 Onthe No 2 sub unit control PCB set the unit No switch S007 to unit No 3 2 3 On the No 3
80. en filter needs cleaning Clean the filter Displays the present time on a 24 hour clock Also dis 25 Inspection indication plays settings in the various setting modes Appears when the protective device is activated or when 8 10 TIMER OFF indication an abnormality occurs Displayed when the timer has been turned OFF 26 7 Ventilation indication 9 ERROR indication Appears when a fan available in the market is installed Displayed when a mistake is made during timer setting and is operating 10 7 Outing indication 13 Outing function 27 9 Oil indication Appears when the outing function is set Appears when the engine oil needs to be changed Ap 11 Upper and lower limit indication of the outing func pears when the gas heat pump air conditioner is used tion 28 Pe Sleeping Indicates the upper limit of the temperature Appears during the sleeping function y Indicates the lower limit of the temperature 29 A CAUTION 12 Operation Mode indication Appears when the protective device is activated or when Displays the selected operation mode AUTO HEAT an abnormality occurs DRYO COOL 8 FANSS 30 Unit No indication 13 Temperature indication Indicates the unit No of the selected indoor unit Indicates the set temperature 31 TESTTEST indication 14 F C temperature unit indication Appears while in test operation 15 amp Remote control sensor indication Appears when the remote control sensor is used 16 Centralized
81. ess setting E24 Outdoor unit failed to receive communications from another outdoor unit E25 Outdoor unit address setting failure duplication E26 Mismatch in outdoor unit quantity E29 Outdoor unit failed to receive communication from another outdoor unit E30 Outdoor unit serial communications failure F04 Compressor 1 discharge temperature sensor trouble DISCH1 F05 Compressor 2 discharge temperature sensor trouble DISCH2 F06 Gas temperature sensor trouble at outdoor heat exchanger 1 EXG1 F07 Liquid temperature sensor trouble at outdoor heat exchanger 1 EXL1 F08 Outdoor air temperature sensor trouble AIR TEMP F12 Compressor intake temperature sensor trouble SCT F16 High pressure sensor trouble HPS F17 Low pressure sensor trouble LPS F22 Compressor 3 discharge temperature sensor trouble DISCH3 F23 Gas temperature sensor trouble at outdoor heat exchanger 2 EXG2 F24 Liquid temperature sensor trouble at outdoor heat exchanger 2 EXL2 F31 Outdoor unit non volatile memory EEPROM trouble H03 Compressor 1 CT sensor disconnected or short circuit H06 Low pressure trouble H08 Compressor 1 oil detection sensor connection trouble H11 Constant speed compressor 2 overcurrent alarm H12 Constant speed compressor 2 lock current alarm H13 Compressor 2 CT sensor disconnected or short circuit H15 Compressor 2 discharge temperature sensor disconnected H21 Compressor 3 overcurrent alarm H22 Compressor 3 lock current alarm H23 Compressor 3 CT sen
82. f it is not connected to an outdoor unit In this case alarm E04 which indicates trouble in the serial communication between the indoor and outdoor unit does not occur 2P plug white Test pin Short circuiting this pin allows the indoor FM H fan speed drain pump flap motor F1 position and electronic expansion valve full open position to be checked However this function turns OFF if the indoor unit protection mechanism is activated The unit can be operated even if the remote controller and outdoor unit are not connected However even if the remote controller cannot is con nected it cannot be used to operate the unit This function can be used for short term tests Jumper wire Allows selection of the T10 terminal start stop signal Refer to the remote control section Status at shipment Pulse signal Jumper wire cut Static signal continuous signal FAN DRIVE 2P plug white This terminal sende a signal to the ventilation fan when the FAN button on the wired remote con FILTER CN70 Power LED EEPROM IC10 GRL CN20 troller is used to operate a commercially available ventilation fan Refer to the remote control section Use a ventilation fan which can accept no voltage A contact as the external input signal 2P white This terminal is used to connect contact input from the differential pressure switch which detects filter clogging When the contacts turn ON FILTER is displayed on the wired remote
83. gnal from the wireless remote control unit stops for more than ten minutes due to the loss of the wireless remote control unit or other trouble the air conditioner will switch to the temperature sensor which is built into the indoor unit and control the room temperature In these cases the temperature around the wireless remote control unit may differ from the temperature detected at the air conditioner s position When low fan speed is selected and the air conditioner is in cooling opera tion at a low outdoor temperature of less than 50 F 10 C the air conditioner may automatically switch to medium fan speed to prevent freezing 2 6 Remote Control Functions 2 Wireless Remote Controller 2 Receiver The signal receivers with the exception of the separately installed signal receiver are mounted on the indoor units X type T type Separately installed signal receiver A U D type ALL O RCU SUB PCB CHK TEST RUN EEN RCU MAIN NORMAL 123 LI This section picks up infrared signals from the wireless remote control unit transmitter Indication lamps One of these lamps will blink when trouble has occurred When an indicator lamp starts to blink refer to Troubleshooting on page 2 14 B Operation lamp This lamp lights when the appliance is turned on C Timer lamp This lamp lights when the system is being controlled by the timer
84. h inside indoor unit A U D type Position of address switch in signal receiver The address switch in the operation area may be set to any position The address switch in the operation area may be set to any position The address switch in the operation area may be set to any position The address switch in the operation area may be set to any position Remote Control Functions For positions 1 2 and 3 set the knob to the left conversely for 4 5 and 6 set the knob to the right For positions 1 2 and 3 set the knob to the left conversely for 4 5 and 6 set the knob to the right For positions 1 2 and 3 set the knob upward 1 conversely for 4 5 and 6 set the knob downward ON For positions 1 2 and 3 set the knob to the left conversely for 4 5 and 6 set the knob to the right Remote Control Functions 2 Wireless Remote Controller 6 Emergency Operation In any of the following events use the Emergency operation button to operate the air conditioner on a makeshift basis e When there is no charge remaining in the wireless remote control unit s batteries e When the wireless remote control unit has failed e When the wireless remote control unit has been lost or misplaced X type Initiate operation using the Emergency operation button in the operation area of the indoor unit Operation Press the Emergency operation button The air conditioner initiates
85. h the thermostat OFF Examples of wiring Lead wire with 2P plug special order part WIRE K 854 05280 75300 Relay field supply ee S Relay coil signal Indoor unit control PCB Note The length of the wiring from the indoor unit control PCB to the relay must be 6 9 16 ft or less 2P plug white Short circuiting this plug allows the unit to be operated by the remote controller even if it is not connected to an outdoor unit In this case alarm E04 which indicates trouble in the serial communication between the indoor and outdoor unit does not Occur JP001 2P plug white Test pin Short circuiting this plug allows the operation of the indoor fan motor high and flap motor F1 position to be checked However this test operation stops if the indoor unit protection mechanism is activated The unit can be operated even if the remote controller and outdoor unit are not connected However even if the remote controller cannot be connected it cannot be used to operate the unit This function can be used for short term tests Jumper wire Allows selection of the T10 terminal start stop signal Status at shipment Pulse signal Jumper wire cut Static signal continuous signal FAN DRIVE CN017 2P plug white This terminal sends a signal to the ventilation fan when the FAN button on the wired remote controller is used to operate a commercially available ventilation fan Use a ventilation fan that can accept n
86. he outdoor unit alarm history will be cleared 5 To exit press the CHECK button The display returns to the normal display 6 8 Service Checker 1 Outdoor Unit Maintenance Remote Controller 6 Setting the Outdoor Unit EEPROM Data This function is used to make the outdoor unit EEPROM data settings m Setting mode 1 I Press the CHECK button and the Le VENTILATION button simultaneously for 4 sec onds or longer 2 Press the temperature setting C a and buttons to change the item code The item codes and setting data are shown in the table below 3 Press the timer time 4 and Te buttons to change the setting data To confirm the changed setting data press the SET button At this time the SET DATA display stops blinking and remains lit GO Mu blinks when this mode is engaged and Hi appears in the outdoor unit address section The item code number values shown in the table below and the corresponding setting data 6 dig its are also displayed The 6 digits of the setting data are displayed by changing between the first 3 digits Fig A and the last three digits Fig B When the first 3 digits are displayed the top dot of the colon is illuminated 5 To exit setting mode press the CHECK button Cod No Parameter Description SET DATA 0000 Sensor input not present Control is performed 0001 Sensor input present Control is performed 0002
87. he system where alarm L05 has occurred Example Notes Alarm L06 occurs as a result of alarm L05 Therefore correcting the duplicated priority settings will also correct alarm LO6 L10 Alarm Outdoor unit capacity not set Alarm conditions The outdoor unit capacity has not been set or the setting is not allowed by the system This alarm occurs because the capacity has not been set Check Connect the outdoor unit maintenance remote controller On the outdoor unit EEPROM detailed Oe setting mode screen check the value for the outdoor unit capacity item code 81 Check that it is not set to O or to a capacity that is not allowed If item code 81 is incorrect use the outdoor unit maintenance remote controller and set it correctly After changing the setting be sure to reset both the indoor and outdoor power Example 19 Notes The outdoor unit maintenance remote controller is required in order to set the capacity in the outdoor unit EEPROM L17 Alarm utdoor unit model mismatch Alarm conditions This alarm occurs when a unit other than a R410A refrigerant model is connected 1 A unit that uses R407C refrigerant or a R22 model unit was connected by mistake 2 The connected unit is correct however the refrigerant type setting in the outdoor unit EEPROM item code 80 is incorrect 1 Check the refrigerant type at the connected unit 2 Use the outdoor unit maintenance remote controller and check the item code 80
88. hich of the 2 remote controllers you set as the main controller When using multiple remote controllers up to 2 can be used one serves as the main remote controller and the other as the sub remote Power wire from remote controller unit D joint Fig 2 2 Remote controller i Connection wiring d 1 2 for group control fe E i 2P terminal rr base for remote E control wiring controller Indoor unit No 1 Ground earth 6 Remote Controller Setting Mode To set the remote controller main sub setting or change the sensor follow the steps below DM Press both and buttons on the remote controller for more than CODE DATA mem EM 4 seconds together Select CODE No with Ca J C7 4 buttons Change DATA with Ca J C7 TIMER buttons HEES Press BET Finally press A d Clock display 24 hours 12 hours AWM DATA is memorized in the RCU DATA setting will not be changed even A Rrcu ck Rcu ck Noma when the power is turned off GA Room temperature sensor Main unit RCU Make sure to set Normal for RCU CK 7 Indoor Unit Setting Mode To select the ventilation setting or change the temperature unit follow the steps below Press buttons on the remote controller for more than 4 sec onds together Select CODE No with Ca J C7 buttons Change DATA with Ca C7 TIMER buttons rata 1 ka a Press ET Finally press 7 Fm md
89. hile in the copy mode of the program timer and w day of the copy source flash on the display 2 Press a v to select the day of the copy source Select the copy destination 1 3 5 5 2 4 3 If sn is pressed in the mode of selecting the copy source T 4 it enters the copy mode Selecting the copy destina tion Cd of the program timer 4 Press a v to select the day of the copy source Then press ss to complete copying and return to the program checking mode Su Mo Tu We Th Fr Sa SETTING r 4 L Lue Su Mo Tu We Th Fr Sa r So The program will be overwritten if the preprogrammed day is selected as a copy source amp Before Asking Repair Work Before asking repair work please check the followings ERROR is displayed when the If there is another TIMER No which has the program of the same time and same day you cannot overlap the minute digits are entered setting The set data is not stored The stored programs are automatically sorted by the time Check if the data is stored in the other TIMER No Check if the time indication is not When the time is invalid the program is also invalid Program does not function ETE Check the remote controller prohibition inside In that case the program is invalid 2 26 Remote Control Functions 3 Timer Remote Controller
90. il temp sensor E1 Skrede timer INKI fault Indoor coil temp sensor E3 alternately i Indoor suction air room temp sensor S Indoor discharge air temp sensor Continued 3 2 Trouble Diagnosis 1 Contents of Remote Controller Switch Alarm Display ON Blinking X5 OFF Wired remote control display Wireless remote controller receiver display Possible cause of malfunction Standby for heating Operation Thermistor Outdoor unit Compressor 1 INV discharge temp sensor fault Compressor 2 constant speed discharge temp sensor Compressor 3 constant speed discharge temp sensor Outdoor air temp sensor Heat exchanger 1liquidtemp sensor FO7 operating and timer lamps blinking alternately Compressor intake temp sensor suction temp xy xy High pressure sensor Heat exchanger 1 gas temp sensor Low pressure sensor Heat exchanger 2 liquid temp sensor Heat exchanger 2 gas temp sensor Ceiling panel connection failure lt lt P09 gt gt EE Protective Indoor unit Thermal protector in indoor unit fan motor is activated seP0l gt gt ready lamp blinking device Float switch is activated lt lt P10 gt gt RE Fan inverter protection function activated lt lt P12 gt gt Ge xt y O2 sensor activated P14 Outdoor unit Compressor 1 INV discharge temp trouble DO High pressure switch P04 Reverse phase missing phase detected P05 DC
91. indication Does not affect the operation of other indoor units lt gt alarm indication In some cases may affect the operation of other indoor units 3 3 Trouble Diagnosis 2 Outdoor Unit Control PCB LED Display O ON xt Blinking OFF LED RED Display meaning After the power is turned ON and automatic address setting is not in progress no communication with the indoor units in that system is possible After power is turned ON and automatic address setting is not in progress 1 or more indoor units are confirmed in that system however the number of indoor units does not match the number that was set Automatic address setting was completed successfully After the power is turned ON and automatic address setting is not in progress the number of detected indoor units connected to that system matches the number that was set and regular communications are occurring Automatic address setting is in progress At time of automatic address setting the number of indoor units did not match the Both blinking number that was set Alarm display LED 1 blinks M times then LED 2 blinks N times The cycle then repeats Blinking alternately M 2 Palarm 3 Halarm 4 Ealarm 5 F alarm 6 L alarm N Alarm No Example LED 1 blinks 2 times then LED 2 blinks 17 times The cycle then repeats Alarm is P17 3 W 2WAY ECO i Alarm Codes W 2WAY ECO i Trouble Diagnosis Alarm code Alarm meaning Outdoor unit f
92. ing the DC fan motor tap when setting from the PCB amp 4 way Air Discharge Semi Concealed type lt Procedure gt Stop the system before performing these steps 1 Open the electrical component box cover then check the indoor unit control PCB 2 Connect the jumper connector 2P yellow which was supplied with the accessory to the correct connector pin on the indoor unit control PCB according to the setting number which was confirmed in Table 1 Table of DC Fan Motor Tap Settings e If the setting No is 1 then connect the jumper connector to the connector pin TP1 2P red on the indoor unit control PCB e If the setting No is 3 then connect the jumper connector to the connector pin TP3 2P yellow on the indoor unit control PCB White Yellow Red TEE TP6 TP3 TP1 ote i my Eom JE LEE HAGN amp Suspended type lt Procedure gt Stop the system before performing these steps 1 Open the electrical component box cover then check the indoor unit control PCB 2 Connect the jumper connector 2P yellow which was supplied with the accessory to the correct connector pin on the indoor unit control PCB according to the setting number which was confirmed in Table 2 Table of DC Fan Motor Tap Settings e If the setting No is 1 then connect the jumper connector to the connector pin TP1 2P red on the indoor unit control PCB e If the setting No is 3 then connect the jumper connector t
93. ion If the fan does not start the below corrections may be effective 1 If there is a fan HIC failure or circuit failure replace the PCB 2 If the fan motor is locked replace the fan motor Turn OFF the power and check the continuity of and on the fan circuit PCB z Ki a P26 Alarm Alarm code P26 Alarm meaning Inverter compressor high frequency overcurrent alarm Alarm conditions This alarm occurs when current trouble or current detection trouble occurs at an inverter frequency of 80 Hz or higher after start when trouble judgment current is detected 13 5 A higher in the primary or secondary current Probable cause The detection methods are the same as for P16 However the fact that operation up to high frequencies is possible does not necessarily mean that a compressor failure is the cause of the trouble Start the compressor several times If alarm P26 occurs every time and alarm P16 does not occur at all then the possibility of a compressor failure is low It is also possible that the cause may be the effects of noise Check Check the power wiring and connector wiring Correction It is possible to resolve this trouble by limiting the maximum frequency Example ES Notes SS O P29 Alarm Alarmoode P23 Alarm meaning Inverter compressor missing phase or lock alarm Alarm conditions This alarm may occur at start and occurs when missing phase or lock is detected and when a DCCT failur
94. ions 0000 Filter input differential pressure switch input 0001 Alarm input for trouble input about air cleaner or similar device 0002 Humidifier input Operates linked with drain pump when humidifier is ON Indoor unit electronic 0000 Present Setting at time of shipping 0000 Normal Used as optional relay PCB or JEMA standard HA terminal 0001 Used for OFF reminder 0002 Fire prevention input 2 35 Filter CN70 input switching T10 terminal switching Remote Control Functions 3 Timer Remote Controller RCS TM80BG Hem Code Setting data wl Seene Automatic drain pump Ventilation fan operation 0000 0001 Ventilation fan operated by remote controller 0000 Not used Body sensor is used Wired remote controller sensor 0000 e 0001 Remote control sensor is used Operation change control in 0000 Normal displayed progress display 0001 Not displayed OFF reminder function for 0000 None when weekly timer is used 0001 Only stop time setting is enabled 3A pischarme temperatare control 0000 Discharge temperature control OFF 0001 Discharge temperature control ON EI ap aie 0000 TRAP valve control OFF He ad pale for control to prevent cold air 0025 Control temperature 77 F 25 C 0000 Output linked with fan ON when indoor unit fan is operating Drain pump delayed start time 0002 Humidifier output ON Drain pump operates for 1 minute when total humidifie
95. ir conditioner always stops after a preset time elapses ON Timer a The air conditioner starts after a preset time elapses K Time setting buttons Press this button to increase the time Press this button to decrease the time L L SETbuton L SETbuton S this button to set the timer M CL button Use this button to clear the timer setting N VENTILATION button This is used when a ventilation fan available commercially is connected Pressing the VENTILATION button turns the fan on and off The ventilation fan also turns on and off when the air conditioner unit is turned on and off The display of the remote control unit shows while the ventilation fan is running If the VENTILATION button is held down for 4 or more seconds when the batteries have been replaced 7 appears on the display and the ventilation fan can be used O Remote control sensor This detects the temperature around the remote control unit when the remote control unit position has been selected using the sensor button P ACL button ALL CLEAR Puts the wireless remote control unit into pre operation status This is used after the batter ies have been replaced or when the slide switch setting has been changed Q Slide switch This switch is for setting the operation mode of the indoor unit and setting the flaps amp The wireless remote control unit sends the temperature signal to the air conditioner regularly at five minute intervals If the si
96. ity indoor units 13 16 Duplicated indoor unit priority alarm at non priority indoor units P08 Compressor 1 discharge temperature trouble 218 PO High pressure switch activated CdD Reverse phase or missing phase detected capacity mismatch 3 20 P16 Compressor 1 overcurrent 1320 P17 Compressor 2 discharge temp trouble 18 18 P18 Compressor 3 discharge temp trouble CSC P22 Fan motor trouble 3 21 P26 Inverter compressor high frequency overcurrent alarm 13211 P29 Inverter compressor missing phase or lock alarm 221 weg CHECK blinking 1 3 22 Blinking A on the wired remote controller CHECK blinking 2 3 23 3 5 Trouble Diagnosis Trouble Diagnosis 3 W 2WAY ECO i Alarm Codes E06 Alarm Alarm code Outdoor unit failed to receive serial communication signals from indoor unit Alarm conditions Outdoor unit failed to receive serial communication signals from indoor unit Probable cause 1 The indoor unit power was cut OFF after initial communications were completed 2 An open circuit or short circuit occurred in the inter unit control wiring after initial communications were completed Check Check the power at the indoor and outdoor units and check the inter unit control wiring Notes This alarm is detected after initial communications are completed Therefore it does not occur in cases of disconnected serial connector no terminal unit set or other trouble that occurs befor
97. l unit and signal receiver are both in the same room e When operating the wireless remote control unit point it directly at the signal receiver A beep is heard when a signal is received properly e Avoid places where the wireless remote control unit will be obscured by curtains etc Remove it before operation 5 Address Settings When a multiple number of indoor units that can be operated by the wireless remote control unit have been installed in the same room with a multi unit or single unit installation this button enables addresses to be set in order to prevent the sending of signals to the wrong indoor unit Each of up to six indoor units can be controlled separately using its own wireless remote control unit by matching the number of the address switch on the operation area of the indoor unit and the number used for the address of its wireless remote control unit The indoor units cannot be controlled separately when they are used in a flexible combination format simultaneous operation of multi units format or any other such format since they will all operate at the same time The signal receiver has an address switch for signal reception and the wireless remote control unit has an address switch for signal transmission How to check the When the ADDRESS button on the wireless remote control unit is pressed the current address addresses appears on the wireless remote control unit s display The buzzer sounds if the address displ
98. later maintenance Please be sure to indicate them Checking the indoor unit addresses Use the remote controller to check the indoor unit address lt If 1 indoor unit is connected to 1 remote controller gt 1 Press and hold the button and Le button for 4 seconds or longer simple settings mode 2 The address is displayed for the indoor unit that is connected to the remote controller Only the address of the indoor unit that is connected to the remote controller can be checked 3 Press the button again to return to normal remote controller mode lt If multiple indoor units are connected to 1 remote controller group control gt Press and hold the button and button for 4 seconds or longer simple settings mode 2 ALL is displayed on the remote controller 3 Next press the button 4 The address is displayed for 1 of the indoor units which is connected to the remote controller Check that the fan of that indoor unit starts and that air is discharged 5 Press the button again and check the address of each indoor unit in sequence 6 Press the button again to return to normal remote controller mode alle UNIT No Li FIT 57 LILL bi R C No SETDATA Number changes to indicate which indoor unit is currently selected 4 Remote Controller Test Run Settings 1 Press the remote controller button for 4 seconds or longer Then press the 1 button TEST RUN appears on the LCD display while the te
99. layed the same setting will be made for all indoor units 4 Press the temperature setting a Cv buttons to select the item code to change Press the timer time a 7 buttons to select the desired setting data For item codes and setting data refer to the following page Press the button The display stops blinking and remains lit and setting is completed D Press the button to return to normal remote controller display 2 31 Remote Control Functions 3 Timer Remote Controller RCS TM80BG List of Simple Setting Items Item code wl Deenen 0000 Not displayed 0001 150 hours Filter sign ON time 0002 2 500 hours filter lifetime 0003 15 000 hours 0004 10 000 hours 0005 Use the filter clogging sensor 0000 Standard setting at time of shipping Highly fouled Filter sign ON time is reduced to one half the set time Central control address 1 Degree of filter fouling 0001 0001 0002 0003 Central control address 2 Central control address 3 Central control address 0064 0099 No central control address set setting at time of shipping Operating mode 0000 Normal setting at time of shipping priority change 0001 Priority 0001 Shifts intake temperature 2 F 19 down 0002 _ Shifts intake temperature 4 F 2 C down 0003 Shifts intake temperature 6 F 3 C down Electric heater No heater installation Heater installed Humidifying when 0000 No
100. ling heating or heating cooling while the compressor is ON 4 If test run mode is selected the thermostat will not turn OFF as a result of A for 60 minutes The thermostat is forced ON 2 2 Remote Control Functions 1 Main Operating Functions 2 Automatic Control for Heating and Cooling Automatic Heating Cooling Control 1 When operation starts heating or cooling is selected according to the set temperature and the room temperature amp Room temperature gt Set temperature 2F gt Cooling Set temperature 2F lt Room temperature lt Set temperature 2F 3 Monitoring mode 1 amp Room temperature lt Set temperature 2F gt Heating 1 If the difference between the room temperature and set temperature is small when operation starts the cooling thermostat remains in standby status OFF until the temperature difference increases When the temperature differ ence increases either cooling operation or heating operation is selected This standby status is known as monitoring mode 2 After operation starts in the selected operating mode the set temperature is automatically shifted by 4 F 2 C cooling operation or 4 F 2 C heating operation Example Temperature set on the remote controller is 68 F 20 C CH Selected operating mode Shifted set temp Remote controller display 724 22 SBF 200 rus SBF 200 3 Operating mode changes heating cooling cooling g
101. locations In this case the high pressure gradually increases however it may not increase if the location where the liquid accumulates is sufficiently large Depending on the refrigerant saturation temperature it may also accumulate in low pressure locations In this case the high pressure is unlikely to increase 1 Check that the service valve is open 2 Check that none of the valves mechanical valves in the main refrigerant circuit is closed due to an operation failure 3 Check that there is no possibility of foreign objects or water having entered the refrigerant circuit 4 Check that valve leakage at a stopped sub unit has not resulted in accumulation of refrigerant at that sub unit 5 Check that no refrigerant leakage has occurred Correction 1 If there was a valve operation failure in general it is necessary to replace the valve 2 If a foreign object or moisture has entered the circuit install a strainer or dry core depending on the degree of the problem 3 If refrigerant has leaked into stopped sub units it is likely that valve leakage has occurred The valve must be replaced Exampe O Mos OSC SSSOSOCOCOCOC CS SOSOSOSOSCSSS 3 13 Trouble Diagnosis 3 W 2WAY ECO i Alarm Codes H11 H12 H21 H22 Alarm Alarmcode Im mg H21 H22 O O O O O O Alarm meaning H11 Compressor 2 constant speed overcurrent alarm H12 Compressor 2 constant speed lock current alarm H2
102. ly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the outdoor unit This prevents water damage and abnormal vibration In an Area with High Winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle Ina Snowy Area for Heat Pump type Systems Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents When Connecting Refrigerant Tubing e Ventilate the room well in the event that is refrigerant gas leaks during the installation Be careful not to allow contact of the refrigerant gas with a flame as this will cause the generation of poisonous gas Keep all tubing runs as short as possible e Use the flare method for connecting tubing Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak free con nection e Check carefully for leaks before starting the test run Depending on the system type liquid and gas lines may be either narrow or wide Therefore to avoid confusion the refrigerant tubing for your particular model is speci fied as either narrow or wide than as liquid or gas When Servicing e Turn th
103. m is to facilitate identification of the problem in this case F06 F23 Alarm Alarmcode Lem O O O O O O O O O OOO Gas temperature sensor EXG1 trouble at outdoor heat exchanger 1 Gas temperature sensor EXG2 trouble at outdoor heat exchanger 2 Alarm conditions 1 A D step is 10 steps or less short circuit 2 A D step is 1014 steps or more open circuit Probable cause 1 Sensor malfunction including connector 2 PCB malfunction 1 2 Check Measure the sensor resistance Check that the sensor is operating normally 2 Use a remote controller monitor or PC monitor to check the temperature that is recognized by the microcomputer Correction JT o Example 19 F07 F24 Alarm Alarm meaning Liquid temperature sensor EXL1 trouble at outdoor heat exchanger 1 Liquid temperature sensor EXL2 trouble at outdoor heat exchanger 2 1 A D step is 10 steps or less short circuit 2 A D step is 1014 steps or more open circuit 1 Sensor malfunction including connector 2 PCB malfunction Check 1 Measure the sensor resistance Check that the sensor is operating normally Use a remote controller monitor or PC monitor to check the temperature that is recognized by the microcomputer 3 10 Trouble Diagnosis 3 W 2WAY ECO i Alarm Codes F08 Alarm Alarm code Outdoor air temperature sensor AIR TEMP trouble 1 A D step is 10 steps or less short circuit 2 A D step is 1014 steps or
104. me and changes the temperature settings U U U Di D D D D LA NO sch Dress a Is to change the temperature setting SETTING bg TIMER No Su Mo Tu We Th Fr Sa CS D o D A The indoor unit changes the temperature setting at E H30 VW the programmed time al L Dress a JI e to change the temperature setting Select the program pattern and press E The program timer setting is confirmed and the unit enters the confirmation mode CH amp If you press S during the setting it returns to the program confirmation mode f there is no operation made for 3 minutes during the setting it returns to the normal mode In this case all the settings in progress will be invalid 2 24 Remote Control Functions 3 Timer Remote Controller RCS TM80BG e amp Deleting the Program Timer Te he program timer ing follow the steps below o delete the program timer setting p m Su Mo Ta We Fr Sa 1 Press Poeran to enter the program confirmation mode Oo ion mre wll kel 2 Press v to select the day of the program you want to de e lete 3 Press Is to select a TIMER No from 1 to 6 4 Press fs to display the program setting mode F 5 Press to delete the program TIMER DOES SE 98 JC After deleting the unit returns to the program confirmation mode Cu arin ED TIE f you press amp during the
105. mp 4 deg 2 deg i Remote controller display B 2 deg d Shifted set temp 4 deg S a em Selected operating mode 6 deg gt lt e Thermostat ON OFF ON OFF ON OFF ON OFF ON OFF ON Heating Cooling Heating 2 3 Remote Control Functions 2 Wireless Remote Controller Optional Controller Remote Controller Wireless Remote Controller RCS SH80AAB WL for X Type RCS TRP80AAB WL for A T Type RCS BH80AAB WL for U D Type RCS SH1AAB for K Type 1 How to Use the Wireless Remote Controller B Transmitter O Remote control sensor A ON OFF operation button C MODE button ge D Temperature setting buttons E FAN SPEED selector button J TIMER SET button I FLAP button K Time setting buttons G ADDRESS button L SET button F FILTER button M CL button BAG aun N VENTILATION button ALL CLEAR H A C SENSOR button Q Slide switch NOTE The illustration above pictures the wireless remote control unit after the cover has been lowered and removed A ON OFF operation button This button is for turning the air conditioner on and off B Transmitter When you press the buttons on the wireless remote control unit the mark appears in the display to transmit the setting changes to the receiver in the air
106. n error Trouble Although the other compressor is operating and this compressor is stopped the discharge temperature of the other compressor does not increase and the discharge temperature of this compressor rises The discharge temperature remains high immediately after the compressor stops Wait for some time after the compressor stops and observe Check Check for crossed wiring and installation errors Continued 3 9 Trouble Diagnosis 3 W 2WAY ECO i Alarm Codes 3 Leakage from the discharge tube check valve Trouble Although the other compressor is operating and this compressor is stopped the discharge temperature of this compressor rises together with the temperature of the other compressor 4 The ambient temperature around the outdoor unit when it is stopped is 109 F 43 C or higher Correction 1 Replace the sensor 2 Replace the outdoor unit PCB 3 Repair the refrigerant tubing 4 Adjust the amount of refrigerant 5 Correct the trouble 1 1 Sensor wiring is partially cut Notes This alarm does not indicate that the sensor is disconnected In order to prevent overheating during operation the outdoor units in this system will not allow a compressor to start if the discharge temperature does not decrease while the compressor is stopped If a sensor malfunction results in continuous detection of a high discharge temperature then the compressor may stop for no apparent reason The purpose of this alar
107. n mode display z 305 A on wireless remote amp Se With the battery cover control unit Sp removed Before use check that the slide switch has been set to the position shown in the figure above For details on how to set the slide switch consult your dealer How to install 1 Slide the cover in the direction indicated by the arrow and batteries remove it 2 Install two AAA alkaline batteries Make sure the batteries point in the direction marked in the battery compartment Use a pointed implement to press the ACL button oO The batteries last about a year depending on how much you use the wireless remote control unit Replace the batteries when the wireless remote control unit s display fails to light or when the remote control cannot be used to change the air conditioner s settings When the batteries are to be replaced make sure that both batteries are new and that the same kind of battery is used Remove the batteries if the wireless remote control unit is not going to be used for a prolonged period Dispose of the used batteries at the designated location How to use the Point the wireless remote control unit s transmitter at the signal receiver If the signal is wireless remote received properly a beep is heard Two beeps are heard only when operation starts up control unit Signals can be received over a distance of approximately 26 ft This distance is approximate it may be slightly more or less depending on
108. n that refrigerant tubing system are stopped vr Because the fan is running only at the outdoor unit where seizing was detected check the corresponding outdoor unit The fan may also run on its own when fan cracking prevention control is in effect or when snowfall sensor input is present Therefore monitor for approximately 10 minutes if the outdoor unit fans are operating at multiple units Alarm conditions Current is detected in the CT circuit when the compressor is stopped 1 This control is not engaged for the first 30 seconds after the compressor turns ON gt OFF 2 For 1 minute following the first 30 seconds after the compressor turned ON gt OFF the threshold for the detected current is 10 A or more continuing for 2 seconds 3 All times other than the above e H the low pressure SW has not activated the threshold for the detected current is 7 A or more continuing for 5 seconds e If the low pressure switch has activated the threshold for the detected current is 7 A or more continuing for 2 seconds Probable cause 1 Magnet SW malfunction e The magnet SW has seized and the compressor is continuing to run Even when the power is turned OFF the primary side and secondary side contacts remain together e The conditions of magnet SW operation are poor difficult to open When a magnet SW is used in a DC circuit it may be difficult for the SW to open at times In an AC circuit the magnet SW should open instantaneously as long as
109. n unit in the next different system short circuit the automatic address pin CN100 for 1 second or longer then release it Repeat the same steps to complete automatic address setting for all units 8 Operation from the remote controllers is now possible To perform automatic address setting from the remote controller perform steps 1 5 then use the remote controller and to complete automatic address setting Refer to Automatic Address Setting from Remote Controller 1 9 3 Test Run Auto Address Setting Automatic Address Setting in Cooling Mode Indoor and outdoor unit power cannot be turned ON for each system separately In the following automatic setting of indoor unit addresses is not possible if the compressors are not operating Therefore perform this process only after completing all refrigerant tubing work Automatic address setting can be performed during Cooling operation Automatic Address Setting from Outdoor Unit Perform steps 1 4 in the same way as for Turn the indoor and outdoor unit power ON at all systems L To perform automatic address setting in on the outdoor main unit control PCB in the refrigerant system where you wish to set the addresses short circuit the mode change 2P pin CN101 At the same time short circuit the automatic address pin CN100 for 1 second or longer then release it Be sure to perform this process for one system at a time Automatic address settings
110. nd Functions 1 Outdoor Unit Control PCB 2 Functions for CR CHDX14053 Automatic address setting 2P plug white Automatic address setting pin CN100 e Short circuit this pin for 1 second or longer to automatically set the addresses at the indoor units that are connected to that outdoor unit and are within the same system e The system address is 1 at the time of shipment Automatic address setting is necessary even for communications lines in a single system where the inter unit control wiring does not cross to any other systems e While automatic address setting is in progress the 2 LEDs LED1 2 red on the outdoor unit control PCB blink alternately Short circuiting this pin while automatic address setting is in progress will stop the automatic address setting operation 5002 Rotary switch 10 positions black Outdoor system address setting switch e The setting is 1 at the time of shipment It is not necessary to change the setting if wiring is connected only to an outdoor unit and indoor units in a single system and the inter unit control wiring does not cross multiple systems If wiring links the inter unit control wiring for multiple systems to the same communications lines then a different address must be set for each refrigerant tubing system If wiring links multiple systems a maximum of 30 systems up to 64 indoor units can be connected This setting can be set up to 39 however control will be for 30 systems e
111. nds while the outing function is set Outing function indication Flashing The outing function is now being set or under operation Lighting Although the outing function is set not under operation A remote controller loses outing function operation information when it is cut for more than one hour during the outing function operation by electricity It reverts from the blackout and an air conditioner does not drive in outing function when operation is started At this time an air conditioner does not stop at outing function 2 28 Remote Control Functions 3 Timer Remote Controller RCS TM80BG 13 Sleeping Function This function leads you to a comfortable sleep and chang When the off time comes es the room temperature during your sleep e The indoor unit stops te SELINE GEET one hour ironi 1 10 10 The temperature returns to the setting at the time when sleeping function operation started Operating time Display of remote control unit during the time setting To cancel the sleeping function operation Press o The temperature setting remains at the time cancelled EEG unr pes I NEXT TN ER No Su 20 WE iG i amp The following buttons also cancel the sleeping function SE Off time In case the present time a Sleeping function Off time 5 23 00 P Stop the indoor unit after the sleeping function operation indication Wa is cancelled CA button Display of remote control unit dur
112. ng the HEAT standby Remote Control Functions 3 Timer Remote Controller RCS TM80BG Display Section Refer to the page 2 15 1 Samia SETTING indication 17 ei Operation mode change control indication Appears when the timer program is being set Displays when an operation mode is entered by the re a UNIT UNIT indication mote control unit while another operation mode has been already selected This indicates that the operation mode cannot be changed Indicates the unit No of the indoor unit which is selected with the Unit Select button or the unit in which an abnor mality occurs 18 Disabled Feature indication 3 TIMER No TIMER No indication Displayed if the selected feature was disabled during installation Appears when the time program is being set 4 Timer program 1 The indoor unit starts operation at the programmed 20 3 Heating standby mode indication appears when the fan of the indoor unit is stopped or in low fan speed time SO The indoor unit stops operation at the programmed 21 DS 3 Fan mode select indication time The selected fan mode is displayed 5 Today s day of the week 22 SWING indication Indicates today s day of the week Appears while the flap swings 6 Program schedule indication 23 Flap position indication Appears under days that are scheduled for program op Indicates the flap position eration 24 ES Filter indication 7 Present time Appears wh
113. nge e All indoor units test run 2 Display The following displays are possible e Alarm display e No of indoor outdoor units e Unit Nos of connected indoor outdoor units e Operating status of indoor outdoor units Blinks when alarm occurs e Indoor thermostat ON e Display of individual outdoor unit alarms e Total operating time of outdoor unit compressors e Oil level of the outdoor unit oil sensor e Total outdoor unit power ON time e Outdoor unit microcomputer version other information 6 2 1 Outdoor Unit Maintenance Remote Controller E Temperature monitor Displays the temperature from each indoor outdoor sensor M Outdoor unit alarm history monitor Displays the outdoor unit alarm history E Setting the outdoor unit EEPROM data Service Checker Settings mode 1 and settings mode 2 can be used to make outdoor unit EEPROM data settings 3 Ordinary Display Controls and Functions E Functions on the ordinary display Connect the special service checker wiring to the outdoor unit PCB The connection diagram is shown below Outdoor unit PCB RC 3P blue PCB connector 3P blue Special service checker wiring Relay connector 2P white Outdoor unit maintenance remote controller All units start stop Fig 6 1 lt Operation gt The ON OFF operation button can be used to start and stop all indoor units e The LED illuminates if any indoor unit is operating
114. nother constant speed compressor including compressors in other units or other device starts It also occurs when the power wiring is extremely long Check Check the voltage between each of the phases However if this trouble occurs when other devices or compressors start then an oscilloscope is required 4 PCB failure Trouble Check Check that the current value measured with the clamp meter is not lower than the value measured with the PC or remote controller Correction 1 Replace the compressor 2 Replace the CT circuit 3 Adjust the primary side power Repair the power wiring 4 Replace the outdoor unit PCB 5 Correct the trouble In the case of a compressor failure it is likely that steps must be taken to correct the cause of the compressor failure such as liquid back up in order to prevent recurrence Be sure to check that there is no cause which may result in compressor locking Example gt O 3 14 Trouble Diagnosis 3 W 2WAY ECO i Alarm Codes H13 H23 Alarm Alarmcode mm O O O OOOO O O OOOO O O O Compressor 2 CT sensor CT2 disconnected or short circuit Compressor 3 CT sensor CT3 disconnected or short circuit Alarm conditions The current is still 1 5 A or less when 2 seconds or longer has elapsed after output from that compressor started No current is detected even though the compressor is operating Probable cause 1 CT circuit failure including cut wiring etc Disconnected CT ci
115. o gas Incorrect discharge temperature Comp No 2 Compressor 3 discharge temp failure Outdoor unit fan motor is unusual Overcurrent at time of compressor runs more than 80Hz DCCT Kran OINI av MD ND secondary current or ACCT primary current is detected at a time other P26 than when IPM has tripped IPM trip IPM current or temperature H31 Inverter for compressor is unusual DC compressor does not operate Thermistor fault Indoor thermistor is either open Indoor coil temp sensor E1 or damaged Indoor coil temp sensor E2 Indoor coil temp sensor E3 Indoor suction air room temp sensor TA lt lt F10 gt gt Indoor discharge air temp sensor BL lt lt F11 gt gt Outdoor thermistor is either Comp No 1 discharge gas temp sensor DISCH1 open or damaged Comp No 2 discharge gas temp sensor DISCH2 FO6 Outdoor No 1 coil gas temp sensor EXG1 Outdoor No 1 coil liquid temp sensor EXL1 FO7 Outdoor air temp sensor AIR TEMP Compressor intake port temperature sensor RDT F12 High pressure sensor Negative defective N phase Compressor 3 discharge temp sensor failure DISCH3 F22 Outdoor No 2 coil gas temp sensor EXG2 Outdoor No 2 coil liquid temp sensor EXL2 F24 EEP ROM on indoor unit PCB failure F29 Protective device for EEP ROM on the main or sub outdoor unit PCB has failed compressor ING LIS acia Current is not detected when comp
116. o the connector pin TP3 2P yellow on the indoor unit control PCB amp 1 way Air Discharge Semi Concealed type lt Procedure gt Stop the system before performing these steps 1 Open the electrical component box cover then check the indoor unit control PCB 2 Connect the jumper connector 2P yellow which was supplied with the accessory to the correct connector pin on the indoor unit control PCB according to the setting number which was confirmed in Table 3 Table of DC Fan Motor Tap Settings e If the setting No is 1 then connect the jumper connector to the connector pin TP1 2P red on the indoor unit control PCB e f the setting No is 3 then connect the jumper connector to the connector pin TP3 2P yellow on the indoor unit control PCB 2 39 3 Timer Remote Controller RCS TM80BG 17 Remote Controller Servicing Functions Operation with Test run forced thermostat ON Sensor Temperature temperature display from each display sensor Servicing check Alarm history Filter lifetime operating mode priority central control address and other settings System address Simple settings indoor unit address Detailed settings central control address and other settings Automatic address Automatic setting based on address wired remote controller Change of indoor Address change unit address command from the Press and hold the button for 4 seconds or longer Press
117. o turn off the filter sign G ADDRESS button When a multiple number of indoor units that can be operated by the wireless remote control unit have been installed in the same room with a multi unit or single unit installation this button enables addresses to be set in order to prevent the sending of signals to the wrong indoor unit Each of up to six indoor units can be controlled separately using its own wireless remote control unit by matching the number of the address switch on the operation area of the indoor unit and the number used for the address of its remote control unit The indoor units cannot be controlled separately when they are used in a flexible combination format simultaneous operation of multi units format or any other such format since they will all operate at the same time When the batteries are replaced the address setting returns to ALL so you must make the setting again H A C SENSOR button When you press this button use a narrow tipped object such as a ballpoint pen the indication will disappear on the display The room temperature is detected by the sensor which is built into the indoor unit and the air conditioner is controlled accordingly NOTE If the remote control is located near a heat source such as a space heater or in direct sunlight press the A C SENSOR button to switch to the sensor on the indoor unit I FLAP button 1 Use this button to set the airflow direction to a specific angle Th
118. o voltage A contact as the external input signal Examples of wiring Lead wire with 2P plug special order part WIRE K 854 05280 50600 Relay field supply FAN DRIVE 2P plug white To external control input terminal on ventilation fan Indoor unit control PCB Note The length of the wiring from the indoor unit control PCB to the relay must be 6 9 16 ft or less PCB and Functions 2 Indoor Unit Control PCB OPTION 6P white Outputs external signals as shown in the figure below GNO14 Relay DC 12V field supply Note Fan signal OPTION white Heat start signal jo s ato s olalalo Cool start signal Indoor unit control PCB CR1 Thermostat signal Ov Defrost signal Note The relay must be installed at a distance of 6 9 16 ft or less from the PCB Self Diagnosis F unction Table Contents 5 SELF DIAGNOSIS FUNCTION TABLE 1 Self Diagnosis Function Table n xervannvnnnnnnnennnnnnennnnnnennnnnennnnnnernnnnnennnnnnennnnnvennnnnnennnnnunnn 5 2 Se Self Diagnosis F unction Table 1 Self Diagnosis Function Table 1 Self Diagnosis Function Table e Causes and corrections in instances when automatic address setting cannot be started The power LED D53 on the outdoor unit control PCB does not turn ON Check for any errors in the power wiring to Trouble Cause and correction the outdoor unit and check for a missing phase LED 1 and
119. of Self Diagnostic Functions 1 3 1 Setting vllt Control PC B l Main Outdoor UnitP CB Setting S004 S006 CN003 gt AA Kr e Je e Te vr La KI e Janne d DIE ri EN r ei di th du feet os Ceeree e maten pore ann LT li Wi om tr z a BE a E EUA e Ka fe 3 GEZI 902008 Gitt tort A Eg Test Run 2 Setting of Unit Control PCB Examples of the No of indoor units settings S005 S004 l Indoor unit setting S005 Indoor unit setting S004 No of indoor units 3P DIP switch blue Rotary switch red 10 20 30 ON KZA 1 unit factory setting All OFF 3 g Setto 1 N ON Ee o va Gi ON ON KL 2 ziel SE ON ON SUE Bes 1 3 OFF Toal 9 AN 2 Leson Aap Ska Examples of refrigerant circuit R C address settings required when link wiring is used S003 S002 System address 5003 System address S002 System address No 2P DIP switch blue Rotary switch er 10 20 ON ON 7 Both OFF Q Setto 1 ON KE ON KLA ON ON Examples of the No of outdoor units settings S006 Outdoor unit setting S006 No of outdoor units 3P DIP switch blue Unit No 1 main unit factory setting Unit No 2 Sub unit factory setting Unit No 3 sub unit The sub unit control PCB contains the same switches as the main unit control PCB for No of indoor units No of outdoor units and syst
120. of floor space individual control energy conservation by curtailing heat and carrying power etc Most importantly the multi air conditioner system is able to replenish a large amount of refrigerant compared to conventional individual air conditioners If a single unit of the multi air conditioner system is to be installed ina small room select a suitable model and installation pro cedure so that if the refrigerant accidentally leaks out its density does not reach the limit and in the event of an emergency measures can be made before injury can occur In a room where the density may exceed the limit create an opening with adjacent rooms or install mechanical ventilation combined with a gas leak detection device The density is as given below Total amount of refrigerant Ibs Min volume of the indoor unit installed room ft 3 lt Density limit 02 ft The density limit of refrigerant which is used in multi air conditioners is 0 3 oz ft 3 ISO 5149 1 If there are 2 or more refrigerating systems in a single refrigerating device the amount of refrigerant should be as charged in each independent device For the amount of charge in this example Outdoor unit e g charged amount 353 0 e g charged a da amount 529 oz Indoor unit T C E a C Room A Room B Room C Room D Room E Room F The possible amount of leaked refrigerant gas in rooms A B and C is 353 oz The possible
121. ol RCRCHCHDXSIAOb 4 2 2 Functions TR TDN IN 4 3 2 indoor Unit Control POB usa 4 6 1 Indoor Unit Control PCB Switches and Funchons 4 6 1 For AC Fan Motor GR UXAP7 1 B B EE 4 7 2 For DC Fan Motor SXRP56B B E 4 7 3 CR1 for CR KR74GXH56A KHX0752 KHX1852 Wall Mounted 4 8 4 CR1 for CR KR254GXH56A KHX2452 Wall Mounted rrrranrornnrrernnrenrnnrenranernnnnee 4 9 5 CR2 for POW KR74GXH56 KHX0752 KHX2452 Wall Mountedt eee 4 10 6 Explanation of Functions CR KXRP56AN CR KXRP80AN POW KRP5OA 4 11 4 1 PCB and Functions 1 Outdoor Unit Control PCB 1 Outdoor Unit Control PCB CR CHDX14053 Alarm LED LED1 2 A ADD CN100 pin OAC CN105 pin MODE CN101 pin 5002 AP CN102 pin S004 STOP CN104 pin CHK CN023 pin RUN CN103 pin TEST CNO22 pin 5006 5010 5007 EEPROM memory IC Control circuit fuse F003 IC018 OC CNO01 plug al RC CNO006 plug RC1 CN106 plug S005 Low pressure sensor Comp discharge 3 temp LE Outdoor air temp 3 Ai Comp discharge 2 temp Sat Gas temp sensor S at heat exchanger 1 2 Comp discharge 1 temp d High pressure sensor Liquid temp sensor at heat exchanger 1 2 CTL1 CTL2 Suction temp Power LED D53 war 8 fi e r e pr DR tt Oil detection sensor We H E i p ilme Li Me 3 Ki d As 3 a a J i E ue GE TRE d bh 1 IDN a e WI k HCH dr F04 4 2 PCB a
122. ome abnormally high during operation If the operation is heating operation check that the indoor unit fan has not failed Check that the refrigerant circuit has not become clogged Check that all the service valves are fully opened Check that the welded connections are not clogged Check that the mechanical valves have not failed Check whether or not mechanical valve 3 makes a grinding sound when the power is reset At the indoor unit the mechanical valve is located at a position where it is difficult to hear so this check should be made electronically Check that 4 V is being output to the mechanical valve connector pin on the PCB Also check that the mechanical valve coil winding resistance is several tens of Ohms Check that the solenoid valve kit has not failed Removing the coil when the valve is ON should produce a click sound Removing the coil when the valve is OFF should produce no sound Check that refrigerant overcharge has not occurred If the sub cool temperature at the condenser discharge is 59 F 15 C or higher overcharge has occurred Replace the failed part and correct the amount of refrigerant charge eae Notes 3 19 Trouble Diagnosis 3 W 2WAY ECO i Alarm Codes P05 Alarm Alarm code Reverse phase or missing phase detected Alarm conditions This alarm occurs when a reverse phase or missing phase is detected in the L1 L2 L3 phases Probable cause Reverse phase or missing phase in the L1 L2 L3 phases Exampl
123. oor main sub control wiring Inter unit control wiring RE U beer Indoor unit i To other system ooru link wiring ee a Remote controller cross over wiring controller w Make settings as appropriate for the cases listed below Refer to the instructions on the following pages Indoor and outdoor unit power can be turned ON for each system separately Indoor and outdoor unit power cannot be turned ON for each system separately Automatic address setting in Heating mode Automatic address setting in Cooling mode el Case 3B 1 7 Test Run 3 Auto Address Setting Automatic Address Setting no compressor operation amp Indoor and outdoor unit power can be turned ON for each system separately Indoor unit addresses can be set without operating the compressors Automatic Address Setting from Outdoor Unit V 1 On the No 1 main unit control PCB set the unit No switch S007 to Rp unit No 1 a On the No 2 sub unit control PCB setthe unit No switch S007 to unit No 2 On the No 3 sub unit control PCB setthe unit No switch S007 to Ol O A D unit No 3 GR 2 To setthe number of outdoor units on the outdoor main unit control PCB set the No of outdoor units DIP switch S006 to ON ON BE 3 units 1 2 3 OFF 3 On the outdoor main unit control PCB check that the system address rotary switch S002 is set to 1 and that the DIP ON ON Switch S003 is
124. oring the discharge temperature at times fluctuates suddenly and wildly e In some cases the precise temperature may not be known even when monitoring software is used Check Wiggle the sensor and check whether the trouble continues e Check whether the connector is partially disconnected from the PCB yr An F04 alarm will not result if the connector is completely disconnected circuit is open e If the cause is still uncertain check the following to determine whether a sensor or PCB failure has occurred Step 1 Connect the other compressor discharge sensor or a discharge sensor where the F04 alarm has not occurred to the connector for this compressor on the PCB Measure the temperature at the same point a location where temperature fluctuations are small and check whether there is a temperature difference Difference A PCB or sensor failure is possible No difference gt PCB and sensor are normal Step 2 If an abnormality was found at Step 1 connect the problem compressor sensor to the other compressor connector on the PCB or to the PCB connector of a device where the F04 alarm has not occurred Measure the temperature at the same point a location where temperature fluctuations are small and check whether there is a temperature difference Difference Sensor failure No difference gt PCB failure yr It is convenient at this time to have a discharge temperature sensor on hand 2 Crossed wiring or installatio
125. ouaulaievsomcinnaeas 2 40 2 1 Remote Control Functions 1 Main Operating Functions 1 Room Temperature Control The thermostat is turned ON OFF according to as shown below T Room temperature Set temperature When remote controller sensor is used Room temperature Temperature detected by the remote controller sensor When body sensor is used Room temperature Temperature detected by the body sensor Intake shift temperature Intake shift temperature enabled only during heating During heating a difference in temperature occurs between the top and bottom of a room This value is set in consideration for the difference between the temperature detected by the body sensor and the temperature at the bottom of the room lt Value set for intake shift temperature at time of shipment gt 39 F 4 C Note The shift temperature can be selected in the range of 32 50 F 0 10 C by using the remote controller simplified set ting mode Cooling Heating AT AT Room temperature Room temperature deg deg 4 2 2 Set temperature Set temperature 2 o 4 Thermostat Thermostat ON After the thermostat turns ON it will not turn OFF again as a result of A for 5 minutes After the thermostat turns OFF it will not turn ON again for 3 minutes It also will not turn ON for 3 minutes after the power is switched ON 3 The compressor turns OFF if the mode is changed coo
126. press E The enters the setting mode of the program currently displayed In the program setting mode Band hour minute and item flash on the display 2 Set the hour program step 1 Press 2 v to set the hour 2 3 4 1 52 054 4 Confirm the hour and press Ea The enters the pro gram changing mode 7 setting of the minute 3 Set the minute program step 2 Press Is to set the minute Confirm the minute and press Ei The unit enters D the program pattern selection mode Program step1 SETTING y TIMER No Su Mo Tu W Th Fr Sa A D 3 HIE PI VE Dm LOL KLL ZN normal remote controller PROGRAM CANCEL F Changing hour digits SET DI 3 Program EC Changing minute digits D 3 SETCANCELDEL U Changing patterns PROGRAM Y 09 m 4 E Selecting copy destination SET CANCEL Remote Control Functions 3 Timer Remote Controller RCS TM80BG 4 Setthe program pattern program step 3 There are 4 program patterns Pattern 1 SETTING Si Su Mo Tu We Th Fr Sa aa WD D 2 Hd d D Hd Pressing repeats the following display patterns The indoor unit starts operation at the programmed time The indoor unit stops operation at the programmed time Pattern 3 Pa No SU Mo Tu We Th Fr Sa ON VA The indoor unit starts operation at the programmed ti
127. problem location Remote controller display Cause Nothing is The remote controller is not connected correctly power trouble displayed The indoor unit power was cut off after automatic address setting was completed The remote controller is not connected correctly remote controller receiving trouble E01 The remote controller of an indoor unit where the indoor unit address is not set is inadvertently operated Communications with the outdoor unit are not possible The remote controller is not connected correctly trouble with sending of the signal from the E02 remote controller to the indoor unit P09 The indoor unit ceiling panel connector is not connected correctly Self Diagnosis F unction Table 1 Self Diagnosis Function Table e The outdoor unit maintenance remote controller can be used to check the alarm display The number of times that LED 1 and 2 blink on the outdoor unit control PCB can be used to check the alarm display Refer to Checking the LED 1 and 2 Alarm Display on the Outdoor Unit Control PCB Alarm code Alarm meaning E06 Outdoor unit failed to receive serial communication signals from indoor unit E12 Automatic address setting start is prohibited E15 Automatic address setting alarm too few units E16 Automatic address setting alarm too many units E20 No indoor units at automatic addr
128. r cover the remote controller or recess it into the wall 1 When you open the decorative cover Fig 2 4 you will see 2 gaps under the remote controller Insert a coin into these gaps and pry off the back case Attach the back case with the 2 wood screws provided Using a screwdriver push open the cut outs on the back case These holes are for screws Fig 2 5 Connect the remote controller wiring 2 wires correctly to the corresponding terminals in the electrical component box of the indoor unit To finish fit the back tabs of the case into the remote controller and mount it E Basic Wiring Diagram amp Connection diagram Approx 8 in Terminal board for Remote indoor unit remote controller controller wiring unit Connector Power wire from remote Remote controller wiring controller unit field supply Fig 2 1 2 18 Remote Control Functions 3 Timer Remote Controller RCS TM80BG Use AWG 20 to AWG 16 wires Remote controller wiring can be extended to a maximum of 1640 ft Provided wire joint white Remote controller wiring 1 Strip the insulation to approximately 35 64 from the ends Gr of the wires that will be connected 2 Twist together the 2 wires and create a crimp connection at the wire joint 3 If a special crimping tool is not used or if the connection is soldered insulate the wires using insulation tape 5 Group Control Using 2 Remote Controllers It does not matter w
129. r operating time reaches 60 minutes 0003 Humidifier output ON Drain pump stopped 0000 Standard setting 0001 Draft reduction mode Flap swing lower limit position is upwards 0000 Smudging reduction mode Flap swing upper limit position is shifted downwards Flap swing mode 0001 0002 Draft reduction mode Flap lower limit position is shifted shifted upwards Fan output switching Humidifier setting Flap operation mode Remote Control Functions 3 Timer Remote Controller RCS TM80BG Setting data No Description urpose operating mode 0000 Standard setting at time of shipping High ceiling use High ceiling setting 1 with standard panel Fan tap setting For low Ultra long life filter oil guard panel ammonia Fan tap change static pressure deodorizing filter optical regenerative deodorizing in order to prevent filter filter drop in air High ceiling setting 2 with standard panel discharge caused Antibacterial high performance filter 90 by filter For low Antibacterial high performance filter 65 installation static pressure _ Air cleaning unit air cleaning unit optical filter regenerative deodorizing filter deodorant activated charcoal filter For air blocking For 3 way discharge when discharge duct is material connected ooog For alr blocking leo 2 way discharge material EL leie Repeat timer Function disabled Function enabled Timer function Function disabled 0001 Func
130. r unit communication error Error of main indoor unit in receiving serial communication signal from E18 of group control wiring sub indoor units Improper setting This alarm message shows when an indoor unit for multiple useis not L02 connected to the outdoor unit Duplication of main indoor unit address setting in group control lt L03 gt Duplication of outdoor R C address setting L04 There are 2 or more indoor unit Priority set remote controller LOS controllers that have oparation SS mode priority in refrigerant circuit Non priority set remote controller LO6 Activation of Protective device in indoor unit lt lt P01 gt gt eg lt lt P09 gt gt Operation of protective function of fan inverter P12 Mis matched connection of outdoor units that have different kinds of L17 refrigerant O sensor detects low oxygen level activated P14 1 14 Continued Test Run 6 Meaning of Alarm Messages Possible cause of malfunction ke ve Activation of Protective device in outdoor unit Compressor therminal protector is activated protective is activated Power supply voltage is unusual The voltage is more than 260 V or less P02 device than 160 V between L1 and L2 phase Incorrect discharge temperature Comp No 1 P03 High pressure switch is activated P04 Negtive defective phase P05 Compressor running failure resulting from missing phase in the compressor wiring etc Start failure not caused by IPM or n
131. r units Operating status of outdoor unit compressor Compressor 1 operating time Compressor 2 operating time Compressor 3 operating time Remarks Alarm code display Quantity 7 segment display 7 segment display 7 segment display 1 4 7 segment display 7 segment display 0 99999999 hrs 0 99999999 hrs Compressor 1 oil level Compressor 2 oil level Compressor 3 oil level Outdoor unit power ON time 0 Empty 1 Insufficient 2 Sufficient 0 Empty 1 Insufficient 2 Sufficient 0 Empty 1 Insufficient 2 Sufficient 0 99999999 hrs Compressor 1 operation count Compressor 2 operation count Compressor 3 operation count 0 65535 times 0 65535 times 0 65535 times Alarm history 1 most recent Alarm history 2 Alarm history 3 Alarm history 4 Alarm history 5 Alarm history 6 Alarm history 7 Alarm history 8 oldest Firmware version Display only Alarm code and unit No of unit where alarm occurred are displayed alternately 0 CCU 1 4 Outdoor unit Displays the version No x 100 M and correspond to Fig 6 3 on the next page Program version Displays the version No x 100 6 4 Service Checker Service Checker 1 Outdoor Unit Maintenance Remote Controller XX YY R C Displays the outdoor unit sub bus address which is currently selected XX Outdoor unit system address 1 30 YY Outdoor unit address 1 4 Th
132. rcuit connector Missing phase where CT circuit is connected This CT circuit is connected to the connector of other CT circuit PCB failure CT circuit failure PCB failure Trouble Current value during compressor operation is below the threshold value Check e Check that the connector is not disconnected e Check the continuity of the CT circuit e Install a normal CT in place of this CT and check If current is detected then the PCB can be judged OK CT circuit failure e Check that current is flowing in the phase where the CT circuit is connected Check voltage and current 2 Crossed wiring or installation error Trouble When the compressor is stopped the current value at the other compressor is high yy When this type of condition occurs seizing detection control takes priority Correction 1 Replace the CT circuit 2 Replace the outdoor unit PCB 3 Correct the problem 1 The connector was not inserted after the PCB was replaced Use a normal CT as a tool to determine whether the trouble is a PCB failure or CT failure H05 H15 H25 Alarm Alarmcode H05 H15 H25 Alarm meaning Compressor 1 discharge temperature sensor DISCH1 disconnected Compressor 2 discharge temperature sensor DISCH2 disconnected Compressor 3 discharge temperature sensor ove DISCH3 disconnected Alarm conditions e This alarm occurs when the discharge sensor temperature detector is not inserted into the tube s sensor holder or
133. rom main indoor unit in case of group control errors indoor unit Outdoor system address indoor unit address or indoor unit Operating Mis setting address independent main sub unit setting has not been made lamp blinking Auto address is not completed Ss e e Error in transmitting serial communication signal lt E02 gt Indoor unit is detecting error signal from remote controller and system controller lt lt E03 gt gt Indoor unit is detecting error eError in receiving serial communication signal signal from outdoor unit When turning on the power supply the number of connected E04 indoor units does not correspond to the number set Except R C ET address is 0 lamp blinking Group wiring failure of indoor units in the refrigerant system occurring when remote controller is operated immediately after automatic address setting Outdoor unit is detecting error Error in receiving serial communication signal eo xt signal from indoor unit There is an indoor unit which does not send signals when the E06 power is ON Improper setting e Indoor unit address setting is duplicated lt lt E08 gt gt Duplicated remote controller main setting lt lt E09 gt gt Se amp blinking Improper setting Automatic address setting start is prohibited i AP pin was short circuited at time when automatic address setting E12 xt was started i Indoor unit communication Error of m
134. set to 0 E g These are the settings at the time of factory shipment 1 2 OFF 4 Tosetthe number of indoor units that are connected to the outdoor unit to 13 on the outdoor main unit control PCB set the ON ON No of indoor units DIP switch S005 to 1 e and set the rotary switch S004 to 3 1 2 3 OFF 5 Turn on power to all indoor and outdoor units in the system 6 Short circuit the automatic address pin at the outdoor main unit CN100 for 1 second or longer then release it J Communication for automatic address setting begins To cancel again short circuit the automatic address pin CN100 for 1 second or longer then release it The LED that indicates automatic address setting is in progress turns OFF and the process Is stopped Be Sure to perform automatic address setting again Automatic address setting is completed when LEDs 1 and 2 on the outdoor main unit control PCB turn OFF l 7 Next turn the power ON only for the indoor and outdoor units of the next different system Repeat steps 1 5 in the same way to complete automatic address settings for all systems J 8 Operation from the remote controllers is now possible To perform automatic address setting from the remote controller perform steps 1 5 then use the remote controller and complete automatic address setting Refer to Automatic Address Setting from Remote Controller 1 8 Test Run 3 Auto
135. setting the unit returns to the program aoe confirmation mode f there is no operation made for 3 minutes during the setting the unit re turns to the normal mode SE e Invalidating Program Timer 5 3 4 If you want to adjourn the program operation for more than 1 week you can invalidate all the timer settings Once the timer settings are invalidated the program will not be operated until the invalidation is cancelled lt lt How to invalidate the program timer gt gt Press and hold lt e for more than 2 seconds is E Ee and the programs will be invalidated from the next one lt lt How to cancel the program timer invalidation gt gt Press and hold cw for more than 2 seconds TIMER OFF dene Se the programs will be validated from the next one If Power Failure Occurred If the power recovers in a short time period the program after the recovered time will be valid If the power recovered more than 1 hour after the failure the present time information will be lost In this case the program will not be operated 2 25 Remote Control Functions 3 Timer Remote Controller RCS TM80BG Duplicating the Program Timer You can duplicate the preset program by day Select the copy source 1 If is pressed in program checking mode FX it enters the copy mode Selecting the copy source I of the pro gram timer W
136. setting at time of shipping heater thermostat is Change to remote 0000 Thermostat OFF differential 2 F 1 C setting at time of shipping controller sensor thermostat differential 0001 Thermostat OFF differential 1 F 0 5 C Mode 0000 Norma dependency 0001 Cool 0000 Normal ooling on dd 0001 Cooling only Central control address 64 ses st Heating intake temperature shift Ten xr 2 32 Remote Control Functions 3 Timer Remote Controller RCS TM80BG 16 Detailed Settings Functions e This allows the system address indoor unit address and other settings to be made for the individual or group control indoor unit to which the No I remote controller used for detailed settings is con LI HUXX No SET DATA nected When detailed settings mode is engaged opera tion stops at the individual or group control indoor unit where the remote controller used for detailed settings is connected Simple settings items can also be set at this time lt Procedure gt Press and hold the F and buttons simultaneously for 4 seconds or longer Gag unit No 1 or Ab in the case of group control item code 17 and settings data HIN XX are displayed blinking on the remote controller LCD display At this time the indoor unit fan or all indoor unit fans in the case of group control begins operat ing
137. sit OK to start the compressors P Check the alarm contents about 2 or 3 minutes Turn ON the indoor and Turn ON the indoor and outdoor unit power outdoor unit power NO 2 SS mme corrections Short circuit the mode change pin Short circuit the automatic address KAR TD oh ek NE Diagnostic Functions and CN101 on the outdoor main unit PCB pin CN 100 on the outdoor main Description of Alarm Displays At the same time short circuit the unit PCB for 1 second or longer Turn OFF the indoor YES automatic address pin CN100 for 1 then release it and outdoor unit second or longer then release it 3 Start indoor and outdoor unit Ebert heating operation contents LED 1 and 2 blink alternately 2 A minimum of 5 hours must have passed after the power was turned ON to the outdoor unit 3 All indoor units operate in all refrigerant systems NO where the power is ON NO Are LED 1 and 2 on the outdoor unit PCB OFF Start indoor and outdoor unit cooling operation LED 1 and 2 blink alternately Are LED 1 and 2 on the outdoor unit PCB OFF YES Check that test run preparation is OK Do not allow the short circuited pins to remain short circuited Set the wired remote controller for test run Refer to the remote controller test run Does system operate Settings YES Return remote control to normal mode End test run Check and make corrections according to Table
138. sor disconnected or short circuit H25 Compressor 3 discharge temperature sensor disconnected H27 Compressor 2 lock current alarm H28 Compressor 3 lock current alarm H31 HIC trouble alarm L04 Outdoor unit address duplication LO5 Duplicated indoor unit priority alarm at priority indoor units LO6 Duplicated indoor unit priority alarm at non priority indoor units and outdoor unit L10 Outdoor unit capacity not set L17 Outdoor unit model mismatch L18 4 way valve operation failure P03 Compressor 1 discharge temperature trouble P04 High pressure switch activated P05 Reverse phase or missing phase detected capacity mismatch P14 O2 sensor is activated P16 Compressor 1 overcurrent P17 Compressor 2 discharge temp trouble P18 Compressor 3 discharge temp trouble P22 Fan motor trouble P26 Inverter compressor high frequency overcurrent alarm P29 Inverter compressor missing phase or lock alarm 5 4 Service Checker Contents 6 SERVICE CHECKER 1 Outdoor Unit Maintenance Remote Controller rrxrrvnnnnvvrnnnnnnnennnnnnnnnnnnnnnnnnnnnnnnennnnnnnnennn 6 2 Ta ee 6 2 FU 6 2 3 Ordinary Display Controls PN N 6 3 d MONLOG PENNE 6 7 Re tele VENN 6 8 6 Setting the MEET NNN 6 9 6 1 Service Checker 1 Outdoor Unit Maintenance Remote Controller 1 Overview E About the outdoor unit maintenance remote controller The outdoor unit utilizes non volatile memory EEPROM on its PCB This allows EEPROM data to replace the set
139. st run is in progress The temperature cannot be adjusted when in Test Run mode This mode places a heavy load on the machines Therefore use it only when performing the test run 2 The test run can be performed using the HEAT COOL or FAN operation modes Note The outdoor units will not operate for approximately 3 minutes after the power is turned ON and after operation is stopped 3 If correct operation is not possible a code is displayed on the remote controller LCD display Refer to Table of Self Diagnostic Functions and correct the problem 4 After the test run is completed press the button again Check that TEST RUN disappears from the LCD display To prevent continuous test runs this remote controller includes a timer function that cancels the test run after 60 minutes If the test run is performed using the wired remote controller operation is possible even if the cassette type ceiling panel has not been installed P09 display does not occur Test Run 5 Caution for Pump Down 5 Caution for Pump Down Pump down means refrigerant gas in the system is returned to the outdoor unit Pump down is used when the unit is to be moved or before servicing the refrigerant circuit This outdoor unit cannot collect more than the rated refrigerant amount as shown by the nameplate on the back If the amount of refrigerant is more than that recommended do not conduct pump down In this case use another refrigerant
140. t heating which occur during operation as a result of temperature changes are handled as shown below Heating gt cooling Room temperature gt Shifted set temperature set temperature 4F 2 C 1F 0 5 C amp Cooling heating Room temperature gt Shifted set temperature set temperature 4F 2 C 2F 1 0 C Example Temperature set on the remote controller is 68 F 20 C CH Operating mode change Shifted set temp Heating Cooling 68 4 1 73 or higher 20 2 0 5 22 5 C or higher 2 Cooling gt Heating 68 4 2 62 or lower 20 2 1 0 17 0 or lower 2 During heating operation when the body sensor is used a temperature shift is applied to the intake temperature detected by the sensor in consideration for the difference in temperature at the top and bottom of the room Refer to the Room Temperature Control item If this intake shift temperature is 8 F 13 C then the heating gt cooling change occurs when the temperature detected by the body sensor is 80 F 26 5 C or higher 4 Cooling heating operation does not change if the room temperature changes from area C gt A or A gt C within 10 minutes after the compressor turns OFF Monitoring mode is excepted 5 When the heating cooling change occurs the 4 way valve switches approximately 30 to 50 seconds A 6 deg after the compressor turns ON Selected operating mode 5 deg L 3 Shifted set te
141. t address Set the No of outdoor units Set the No of indoor units Are the inter unit control wires connected to more than 1 refrigerant system lt Outdoor unit control PCB gt Unit No setting switch S007 lt Outdoor unit control PCB gt Unit No setting switch S006 lt Outdoor unit control PCB gt Unit No setting switch S004 and S005 NO CASE 1 Check the link wiring lt Outdoor unit control PCB gt Unit No setting switch TTE S002 and 5003 Setthe system address When multiple outdoor main units exist disconnect the terminals Note Itis not necessary to remove extended from the shorted plugs CN003 at all outdoor main unit the socket that is used to short PCBs except for 1 circuit the terminal plugs from Alternatively move the sockets to the OPEN side the outdoor sub unit PCBs YES Is it possible to turn ON the power only for the 1 refrigerant system where the test run will be performed Turn ON the indoor and NO outdoor unit power for that refrigerant system only Will automatic address setting be Make necessary corrections Short circuit the automatic address pin CN100 performed in Heating mode on the outdoor main unit PCB for 1 second or longer then release it YES Turn OFF the indoor and CASE 3A outdoor unit power Is it OK to start th Is it OK to start th 7 LED 1 and 2 blink alternately sit OK to start the compressors
142. t is recognized by the microcomputer Correction J o O Example 19 3 11 Trouble Diagnosis 3 W 2WAY ECO i Alarm Codes F31 Alarm Alarm code Outdoor unit non volatile memory EEPROM trouble Alarm conditions Non volatile memory is not present when power initialization occurs Read values do not match after writing to non volatile memory is complete Memory was not inserted after the PCB was replaced The lifetime of the non volatile memory has been reached Probable cause Non volatile memory is installed incorrectly wrong direction bent pins etc Check the non volatile memory on the PCB Correction o O Example 197 C 1 2 1 2 3 1 H03 alarm Alarmcode HOS Alarm meaning Compressor CT sensor disconnected or short circuit Alarm conditions Alarm occurs if the current value is 1 5 A or less when 2 seconds or longer have elapsed after output from that compressor started No current is detected even though the compressor is operating Probable cause 1 CT circuit failure including cut wiring etc Disconnected CT circuit connector This CT circuit is connected to the connector of the other CT circuit PCB failure Noise CT circuit failure PCB failure Trouble Current value during compressor operation is below the threshold value Check e Check that the connector is not disconnected e Check the continuity of the CT circuit Install a normal C
143. the current is within the allowable range However this kind of trouble can occur if excessive current flows and may prevent the SW from opening 2 CT circuit failure or PCB failure A D failure e CT circuit contact failure Check that the connector is not partially disconnected Wiggle the connector to check the connection These symptoms will not occur if the connector is completely disconnected or the wire is cut In these cases alarm Hx3 occurs e Current of 7A or higher was detected although the compressor was stopped or a higher current was detected at occasional intervals e The compressor continues to operate at a time when the outdoor unit should be stopped such as when all indoor units are stopped Check whether or not 200 V is output from the PCB to the magnet SW If the voltage is output there is a PCB failure 3 Installation error e CT1 connector is connected to the compressor 2 side e CT1 circuit is connected to the compressor 2 side e CT2 connector is connected to the compressor 1 side e CT2 circuit is connected to the compressor 1 side Correction 1 Replace the CT circuit 2 Replace the magnet SW 3 Replace the PCB If the above probable causes are not the cause of the alarm it is possible that in rare cases the alarm may be caused by the effects of noise See notes ms ES o o 3 23 PCB and Functions Contents 4 PCB AND FUNCTIONS 1 Outdoor Unit Control PCB eege 4 2 1 Outdoor Unit Contr
144. ting switches that were present on previous PCBs The outdoor unit maintenance remote controller is used to set and change these EEPROM data In addition to setting and checking the outdoor unit EEPROM data this remote controller can also be used to monitor the outdoor unit alarm history monitor the various indoor and outdoor temperatures and check the indoor unit connection status number of units operating mode etc Outdoor unit maintenance remote controller does not function as an ordinary remote controller It is therefore only used for test runs and during servicing System Diagram Outdoor unit maintenance remote controller l Oude oni Inter unit control wiring Special service checker wiring H Outdoor unit control PCB Indoor unit Indoor unit REMOTE CONTROLLER oli Remote controller Assy Four ty ME gc Remote Remote controller controller Operation manual included in package amp The special service checker wiring is required in order to connect the outdoor unit maintenance remote controller to the outdoor unit PCB amp Ordinary remote controllers or other controllers are still required for the indoor units even when the outdoor unit maintenance remote controller is connected 2 Functions M Functions on the ordinary display 1 Press the buttons to execute the following functions e All indoor units stop start e Cooling heating cha
145. tion Operation Preparing for operation ul A trial run mode is underway Set the trial run mode to Off SIS If the trouble persists even after performing the checks recommended above shut down the air conditioner s operation set the local power switch to OFF and contact your dealer with the model number and trouble symptoms You must NOT attempt to make repairs yourself due to the dangers involved If one or more of the indication lamps is blinking give this information to the dealer as well Remote Control Functions 3 Timer Remote Controller RCS TM80BG 1 How to Use the Timer Remote Controller Operating buttons 18 gt de d 14 2 15 Remote Control Functions 3 Timer Remote Controller RCS TM80BG 2 Names and Operations Operation Section Refer to the previous page cl Start Stop button Pushing this button starts and pushing again stops the unit 2 Operation lamp The lamp is turned on when an air conditioner is in opera tion This lamp blinks when an error occurs or a protective device is activated 5 Mode Select button Pushing this button to select an operation mode AUTO A HEATZS DRYO COOL FAN 4 Temperature setting buttons Changing the temperature setting 5 C FAN speed button Changing the fan speed 6 1 _ Swing Air direction button 1 Use this button to set the auto swing or air direction
146. tion based on the cooling difference between the temperature setting and room temperature All indoor units in the same refrigerant system can be operated with a single group control Simultaneous operation of Group control is suitable for air conditioning of a large room using multiple air conditioning multiple units Group units control e One remote control unit can control up to eight indoor units e All indoor units have the same settings except for the airflow direction e The temperature sensors at the indoor unit side are used Outdoor unit 2 8 Remote Control Functions 2 Wireless Remote Controller 4 Using the Wireless Remote Control Unit Slide switch This is used to set the operation mode of the indoor units and to set the flaps e Depending on the indoor unit used the operation display and airflow direction display settings will differ as shown below e Use a pointed implement to change the switch position e When the switch position has been changed press the ACL button For details on the flap functions refer to the operating instructions of the indoor unit used Model which supports l i ee different flap settings Swing only model No flap model Slide switch position gt C Flap display on wireless TT A ae RSR sa remote control unit SEH Y SEH e Heat pump with auto Heat pump without cooling heating auto cooling heating Cooling only function function Operatio
147. tion enabled Smudging control 0000 No smudging control 2 37 Remote Control Functions 3 Timer Remote Controller RCS TM80BG Selecting the DC fan motor tap when setting with the remote controller lt Procedure gt Stop the system before performing these steps Press and hold the e and buttons simultaneously nel no moma S for 4 seconds or longer 2 If group control is in effect press the button and select the address unit No of the indoor unit to set At this time the fan at the indoor unit begins operating 3 Use the temperature setting buttons to select item code 5d Press the timer time a v buttons to select the desired setting data For item codes and setting data refer to Table 1 Table A Press the button The display stops blinking and remains lit and setting is completed If air blocking material is used use the same procedure as in steps 3 5 above and change the setting for item code 62 to 0000 To change the selected indoor unit go to step 2 6 Press the button to return to normal remote controller display Failure to make this setting may result in decreased airflow and condensation Table 1 Table of DC Fan Motor Tap Settings 4 way Air Discharge Semi Concealed type Setting No Remote controller setting data Purpose of use names of accessories 0000 Standard setting at time of shipping High ceiling setting
148. trol Functions 3 Timer Remote Controller RCS TM80BG Item code mt EI Upper limit i LU Lower limit Upper limit pr T E LL Lower limit Upper limit Lower limit Forced thermostat ON time Setting data Description 0000 0001 010 5 minutes 4 minutes 20 deg 10 C 18 deg 9 C Cooling discharge 16 deg 8 C temperature shift one 0010 010 20 deg 10 C 20 deg 10 C 18 deg 9 C 16 deg 8 C _ pg pg O Heating discharge 008 temperature shift 0010 20 deg 10 C 0001 2deg 1 C 0002 4 deg 2 C 0003 6 deg 3 C N bh Temperature shift for cooling heating change 0007 14 deg 7 C 64 F 18 C Lower limit at time of shipping 62 F 17 C 0029 84 F 0030 Cooling Heating 29 C 86 F 30 C P Change to remote control Upper limit at time of shipping temperature 0018 64 F 18 C Lower limit at time of shipping RN EARO gt 0019 66 F 19 C E Si Q 0029 84 F 29 C 0030 0017 0018 d d 0027 80 F 27 C Upper limit at time of shipping 86 F 30 C Upper limit at time of shipping 62 F 17 C Lower limit at time of shipping 64 F 18 C e Se gt S Auto heat cool Humidifi ii 0000 Normal umidifier operation 0001 Ignore heat exchanger temperature condit
149. ven if the setting is set to higher than 30 An alarm will be displayed if system addresses are duplicated For details refer to Table 7 1 S003 DIP switch 2P blue Switches for setting system address 10s digit and 20s digit e If 10 systems or more are set the setting is made by a combination of this DIP switch and 5002 e If 10 19 systems are set set switch 1 10s digit to ON e If 20 29 systems are set set switch 2 20s digit to ON and set switch 1 10s digit to OFF e If 30 systems are set set both switch 1 10s digit and switch 2 20s digit to ON For details concerning S002 and S003 refer to Table 7 1 S004 Rotary switch 10 positions red Switch for setting the number of connected indoor units In order to allow the outdoor unit to manage indoor units in the same refrigerant system set the number of connected indoor units For details refer to Table 7 2 S005 DIP switch 3P blue Switches for setting the 10s 20s and 30s digit for the number of connected indoor units e If 10 systems or more are set the setting is made by a combination of this DIP switch and S004 e If 10 19 systems are set set only switch 1 10s digit to ON e If 20 29 systems are set set switch 2 20s digit to ON and set switch 1 10s digit to OFF e If 30 39 systems are set set only switch 3 30s digit to ON For details concerning S004 and S005 refer to Table 7 2 S006 DIP switch 3P blue Switch for setting
150. y Timer Set the weekly program assigning a given timer to each day of the week Maximum of 6 programs a day and 42 programs a week can be set Select the day and the TIMER number you want to program Program image diagram button Vertical scale indicates the TIMER No and horizontal scale indicates the day TIMER No Li mme SCC O E If the day is changed the TIMER No returns to 1 EA CG Leen a section from fro gl 42 programs Press Fean to enter the program confirmation mode rH and start setting Once you enter the program confirmation mode the present day is indicated as TIMER No 1 2 Select the day Press and a JI v to move the horizon tally on the day to select Press 4 to move e flashing on the display in the order of Su 3 Mo gt Tu Dress vw to move it in the order of Su gt Sa gt Fr is displayed when the program is not set 3 Select a Timer number Press 4 Is to select a TIMER No from 1 to 6 Press 4 to move up from 1 Press v to move down from 6 6 TIMER No 1 6 2 22 Remote Control Functions 3 Timer Remote Controller RCS TM80BG amp Changing the Program Timer TIMER To set the weekly program follow the steps below 1 Select the program you want to set in the program confirmation mode and

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