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SERVICE MANUAL - mitsubishitech.co.uk

1. FAN CONTROLLER CRANKCASE HEATER GROUP NUMBER ADDRESS MC CONTACTOR SW4 TEST RUN 4 WAY VALVE SOLENOID COIL 5 5 FUNCTION SELECTION HIGH PRESSURE PROTECT SWITCH J1 J6 MODEL SELECTION INNER THERMOSTAT FOR T O B TRANSFORMER TERMINAL BLOCK CT O B LINEAR EXPANSION VALVE LED1 TB2 TERMINAL BLOCK LED2 O B OPERATION CHECK DISPLAY LED CN31 O B EMERGENCY OPERATION CONNECTER O B TEM 25 LED1 GRN Iw gt LED2 TH4 SW5 WHT g THE pallqa 9 ak 7 DAQS TH3 TH6 o 0 e iN 5 m 1 3 FUSE4 2 pes BLU RI B 9 y o L R R L N W NI N 2 _ 1 PU H P100VGAA MODEL ONLY to 4 511921531 pues 2 PUH P25 P100VGAA MODEL ONLY AM pw 9 De 3 4 0 83 INDOOR 1 0 82 UNIT I eS ESPERE 4 0 51 SUPPLY TB4 230V 50 2 lt Notes when servicing gt Some fastening terminals lock mechanism When removing the fastening terminal push the projection locking lever on the terminal with your finger and pull it out 22 2 PUH P35YGAA UK PUH P50YGAA UK PUH P60YGAA UK PUH P71YGAA UK PUH P100YGAA UK PUH P125YGAA UK P
2. 15570 450 STRAINER _ 870 401 LINEAR EXPANSION VALVE 7 570 350 242 VALVESOLENOIDCOL 570 01 403 4 WAY VALVE REVERSING 570 E15 202 THERMSTOR LIQUID CONDENSER EVAPORATOR 5 870 1 000 870 sm merus fesa 4 24870 258 OUTDOORFANCAPACTOR 1 3 e _ 93 PU P60VGAA UK PUH P50VGAA UK PUH P60VGAA UK FUNCTIONAL PARTS PU P50VGAA UK 19 20 21 22 LLI CD gt 25 24 qa 7 wz 1 lt Tipp tun EET WIT 10 11 84 Q ty set Wiring Recom Price Part Name Specification PUH P VGAA UK PU P VGAA UK Diagram mended 50 60 50 60 222 1 870 330 708 CONTACTOR SNIBX 11711 sc 570 E03 716 TERMINAL BLOCK 1 1 1 1 6 570 E04 716 TERMINAL BLOCK 3 915263 1 1 1 1 72 S70 763 OUTDOORFANMOTOR YDK75 6U 1 1 1 MF 1 1 1 __ 570 4 115 EE S70 097 14 11 71 7 570 E16 202 THERMISTOR DISCHARGE 1 1 1 1 TH S70 36L 467 MUFFLER 11 570 E00 413 Lo 2 m S70 300 418 570 064 400 PLUG 22 STOP VALVE LIQUID 38 10414040000 COMPRESSOR NE36VMJMT 1 1
3. Tar When the error history is reset the display will look like the one shown below O Press the Ga ON OFF However if you fail to reset the error history error content willbe displayed again address or refrigerant address will flash SELF CHECK ZELF ERROR ND NI Z Cancel self diagnosis Self diagnosis can be cancelled by the following two methods Press the CHECK button twice within three seconds 3 Self diagnosis will be cancelled and the screen will return to the previous state in effect before the start of self diagnosis Press the ON OFF button gt Self diagnosis will be cancelled and the indoor unit will stop 10 3 3 Remote Controller Diagnosis If the air conditioner cannot be operated from the remote controller diagnose the remote controller as explained below D First check that the power on indicator is lit If the correct voltage DC12 V is not supplied to the remote controller the indicator will not light If this occurs check the remote controller s wiring and the indoor unit E gt indicator 2 Switch to the remote controller self diagnosis mode Press the FILTER button to start self diagnosis Press CHECK button for five seconds or more The display content will change as shown below SELF CHECI ZELF X Au rn
4. 4 1 Q ty set u Wiring Recom Part Name Specification PUH P125 140 125 140 Drawing 5 Qty YGAA UK YGAA UK 570 17 641 PANEL 571 000 051 5 SCREW 570 98W 613 REAR SUPPORT 570 17 614 SUPPORT 570 411 119 BELL MOUTH 570 E03 675 WIRE GRILL L 5X15 570 301 119 BELL MOUTH 70 421 130 SUPPORT 55 RG00R046G03 S70 A04 529 ACCUMULATOR DRAIN PAN S VALVE BED ASSY RG00R048G03 S S70 H13 686 570 301 655 PANEL HANDLE 570 301 658 COVER PANEL 2 S70 E04 682 REAR PANEL S70 001 699 LABEL MITSUBISHI S70 K13 661 PANEL S70 14 661 SERVICE PANEL 570 17T 698 GUARD 70 311 658 1 7 5 5 8 79 lt FUNCTIONAL PARTS PUH P25VGAA UK PUH P35VGAA UK PU P35VGAA UK LC 14 13 12 11 10 80 Q ty set PUH P Wiring Part Specification Diagrammended 25VGAA 35VGAA 35VGAA Symbol Qty UK 1 570 249 708 8012209 1 1 1 sc 2 570 716 TERMINALBLOCK 41 7 3 570 04 716 TERMINALBLOCK 36318259 1 1 1 72 4 570 763 OUTDOORFANMOTOR 1 1
5. Note you have made operational mistakes during this procedure exit function selection see step and then restart from step Set the indoor unit number Press the CLOCK buttons and A to select the unit number Press the ON OFF button so that flashes in the unit number display of the indoor unit for which you want to perform function selection The unit area number changes to 00 01 02 03 04 and AL each time a button is pressed Unit b nit number ri LI LI display section gt D du une set modes 01 to 06 or 15 to 22 select unit number 00 When the refrigerant address and unit number are confirmed by pressing the To set modes 07 to 14 or 23 to 28 carry out as follows TA 20 set each indoor unit individually select 01 to 04 MODE button the corresponding indoor unit will start fan operation This set all the indoor units collectively select AL helps you find the location of the indoor unit for which you wantto perform function selection However if 00 or AL is selected as the unit number all the indoor Confirm the refrigerant address and unit number units corresponding to the specified refrigerant address will start fan operation Press the MODE button to confirm the refrigerant address and unit number Example When the refrigerant address is set to 00 and the unit number is 02
6. Factory charged Service Ref Ref PUH P35VGAA UK PU P35VGAA UK PUH P35YGAA UK PU P35YGAA UK PUH P50VGAA UK PU P50VGAA UK PUH P50YGAA UK PU P50YGAA UK PUH P60VGAA UK PU P60VGAA UK PUH P60YGAA UK PU P60YGAA UK PUH P71VGAA UK PU P71VGAA UK PUH P71YGAA UK PU P71YGAA UK PUH P100VGAA UK PU P100VGAA UK PUH P100YGAA UK PU P100YGAA UK PUH P125YGAA UK PU P125YGAA UK PUH P140YGAA UK PU P140YGAA UK PRE CHARGED REFRIGERANT IS SUPPLIED FOR PIPING LENGTH AT SHIPMENT 5 2 COMPRESSOR TECHNICAL DATA a P35VGAA UK P35YGAA UK P50VGAA UK P50YGAA UK U V W o ow _ Resistance U 5 0 0 PUH P60VGAA UK PUH P60YGAA UK PUH P71VGAA UK PUH P71YGAA UK PUH P100VGAA UK PU P60VGAA UK PU P60YGAA UK PU P71VGAA UK PU P71YGAA UK PU P100VGAA UK Compressor model NE41VMJMT NE41YEKMT NE52VNJMT NE52YDKMT PUH P140YGAA UK PU P140YGAA UK BE96YADMT Winding Resistance 0 9 5 3 CURVES 8 SPL dB LINE 47 49 0 40454644 SPL dB LINE COOLING 48 0 0 COOLING HEATING eqr 200070 gp 0 14441 SYNSS3Yd ANNOS 120 125 250 500 1000 2000 4000 8000 FREQUENCIES Hz 125 250 500 1000 2000 4000 8000 63 PUH P35VGAA UK PUH
7. 109 syelul pue ypy 14044 eq ueo Suolloeuuoo pue SNOILOAYIG 9NIHIM ONIdld m Z 04 8 5 lt 6 gt peseuound 15 pue 5104 OLIN S ON JO uoneue dx4 ooeds uolellelsul eui ui eui ay Buuno s 10 9 69 6 48 2 2569 3uv13 uonoeuuoo edid qdInDI 1 4 5 80 61 3uv13 uonoeuuoo edid SVD y UMOUS Oe 559999 991 495 10 y eJnoes esee d eoeds suoisu uuiq 51109 4 394 3943 Z 5 jo uoneue dx3 21529 5 941 30745 21 PUH P25VGAA UK PUH P35VGAA UK PUH P50VGAA UK PUH P60VGAA UK PUH P71VGAA UK PUH P100VGAA UK PU P35VGAA UK PU P50VGAA UK PU P60VGAA UK PU P71VGAA UK PU P100VGAA UK SYMBOL NAME SYMBOL COMPRESSOR INNER THERMOSTAT MOTOR INNER THERMOSTAT 6 THERMISTOR LIQUID TEMP 6 DISCHARGE TEMP 6
8. pue 34614 14044 ueo 75104 OL suonoeuuoo pue 6uldld lt gt lt epis gt lt 10014 gt nO yoouy buldld 1 JV JV lt oq n gt 5 d peseuound eui eunoes esee 1 SJeuseM pue sijog d Ajfeo01 peulelqO 5591 GL X G 5 9195 6ulddel esf 19419601 eoeyns eui eui peunoes JSNW y 59522 10J 95941 eui jo 5 10 sejou 9 2 2 6 uoneoo uonoeuuoo FATWA dOLS 1 48 25 69 uonoeuuoo edid qinor3uejeDujeg 48 9 88 51 29 edid Sv5 S9 ON JO ooeds u Jelnoled uoneue dx3 5 941 30795 3384 00949 weep y uMous 559999 2 5 10 eoeds suoisueuilq 394 3943 5
9. refrigerant to 0 only 1 refrigerant can be Mis wiri ki fail f th ect 01001000 control o or blinking n ines Check fr incorrect wiring wiring breaks and poor connections between the indoor and outdoor units 2 Short circuit miswiring and breaking wiring and wiring breaks in the Replace the remote controller if the voltage to the remote controller terminal block TB6 is between 10 and 16V DC 2 Remaining PLEASE WAIT display longest 2 minutes after the power supply PLEASE Normal operation on the remote controller WAIT is displayed to start up Lighting or lighting Communication fault between the remote controller Turn the power supply OFF ON and check the following and indoor Olf 1 fs IS the remote controller or outdoor Communication fault between the indoor and outdoor US LEY within minutes 1 Refer to the self diagnosis table 115 to take Outdoor unit protection device is opened appropriate action Failure in indoor control PCB or remote controller 3 When pressing the remote controller After cancelling to select function from the remote Normal operation operation switch the OPERATION controller the remote controller operation switch will display is appeared but it will be be not accepted for approx 30 seconds turned off soon 4 Even controlling by the wireless The pair nu
10. MM NE 23570 sm merus 4 _ 24570 an 255 aze xav 2 _ 2557 Ew 716 TERMINAL BLOCK sp siszsa 1 3 28 57 716 TERMINALBLOCK 2P LN 00 2857 408 EXCHANGER BE FUNCTIONAL PARTS PUH P100YGAA UK PU P100YGAA UK 22 28 2 26 25 21 12 94 Wining Diagram Symbol Q ty 70 E03 763 FAN MOTOR N026P72MT 6 OUTDOOR FAN MOTOR 570 301 115 PROPELLER 4 870 301 097 6 OUTDOOR FAN MOTOR Q ty set Part Name Specification PUH 100Y PU P100Y HEAT EXCHANGER 870 E04 763 OUTDOOR FAN MOTOR 02 672 HIGH PRESSURE SWITCH OFF3 3MPa ON 2 6MPa ___ 8 670 E18 202 HERMSTOR USCHARGE 1 4 9 670 00 413 CHARGEPLUG 10570 070 400 COMPRESSOR NE56YDKMT 1 1 111870 300 418 valve 3 1 1 1 240V 38W 3 4 STRAINER 00000 CAPILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE 7 570 E02 425 CAPILLARY TUBE 19 670 05 401 LINEAR EXPANSION VALVE 20 670 350 242 4WAYVALVESOLENIDCL 1 24000 21 670 260 403 4WhAYVALVEREVERSNO 3 o 22 670 32 315 1 jOB 23670 520 239FUSE 6 4 24 pamlFruse _ 24 570 301 255 OUTDOOR FAN CAPACITOR 2 24F x 440V 2 2 6
11. 38 Z eur punov 39 5 3384 18 6 Unit mm QnO ypouy E OR 06 PAN NS BuuiM jddng JeNod an 8 sr ge 59 89 ini aloH 59 InO ioouy oH 1404 14044 lddnS JeNod lddnS lulod leued solAleS Addns SuolloeuuoD Hog S OU e o 5 9 1994 uomejeisui H09 pedolou pedeys N Z PUH P50VGAA UK PUH P50YGAA UK PUH P60VGAA UK PUH P60YGAA UK PUH P71VGAA UK PUH P71YGAA UK PU P50VGAA UK PU P50YGAA UK PU P60VGAA UK PU P60YGAA UK PU P71VGAA UK PU P71YGAA UK 00S 002
12. After a while will start to flash in the mode number display area ss Outdoor unit Mode number unit Indoor unit Unit number 01 Unit number 02 Unit number 03 Designate operation Remote controller Fan draft 88 will flash in the room temperature display area if the selected refrigerant address does not exist in the system When grouping different refrigerant systems if an indoor unit other than the Furthermore if F appears and flashes in the unit number display area and the one to which the refrigerant address has been set performs fan operation refrigerant address display area also flashes there are no units that corre there may be another refrigerant address that is the same as the specified one spond to the selected unit number In this case the refrigerant address and unit In this case check the DIP switch of the outdoor unit to see whether such a number may be incorrect so repeat steps 9 to set the correct ones refrigerant address exists 9 Select the mode number Press the TEMP buttons and A to set the desired mode Mode number number display section Only the selectable mode numbers can be selected Mode number 02 Indoor tempreture detection Select the setting content for the selected mode Press TEMP buttons v and A to select the desired setting Press the MENU button The curr
13. ON SE ud the protection device 5 ON working Display the postponement code Postponement code is display during the error postponing 3 When the display blinks Operation stop by the protection device working Display the inspection code An error unit number and code are displayed by turns lt Abnormal unit number gt lt Abnormal code gt 4 When 7SEG display lights up Protective device stops compressor operating The screen displays the corresponding code when abnormality is being recorded 57 SW2 setting Display detail Explanation for display Piping temperature 40 90 40 90 When the thermistor is 0 or below and temperature displays by turns Example When 10 123456 One second interval ON Discharge temperature 4 0 216 0 216 When the discharge thermistor is 100 or more the ON hundreds digit and tens units digit are displayed by turns 123456 Example When 150 C One second interval 10 50 output step 0 16 ON Step 123456 of times 0 9999 0 9999 When the number of times is 100 more the ON hundreds digit and tens units digit are displayed by turns 100 times 123456 Example When 42500 times One second interval 4 25 Compressor integrating operation times 0 9999
14. SPL dB BAND CENTER FREQUENCIES Hz PUH P140YGAA UK PU P140YGAA UK LINE MODE 5 BAND CENTER FREQUENCIES Hz O O r PUH P125YGAA UK PU P125YGAA UK 5 5 5 Z 5 5 1 240 a SSE NSS NS eqr 20000 0 SYNSS3Yd ANNOS 120 O CN T BAND CENTER 2 2 13 2 5 4 STANDARD OPERATION DATA Heat pump type Capacity _ 25 PLA RP35AA PLA RP50AA PLA RP60AA 89 08 _ 9 09 PUH P35VGAA UK PUH P50VGAA UK PUH P60VGAA UK Outdoor unit PUH P25VGAA UK PUH P35YGAA UK PUH P50YGAA UK PUH P60YGAA UK Phase Hz Hz 1 3 50 1 3 50 1 3 50 230400 230 400 230 400 Tal ae im mas neta Electrical circuit Suionpesue oss os 037 os os os pewwwweme n m m 7 m x lt Suction temperature Refrigerant circuit Ref pipe length Intake air temperature Intake air temperature m e a e 6 __ ws x B og 04 The unit of pressure has been changed to MPa based on international SI system The conversion factor is
15. current Munsell 5Y 7 1 Refrigerant control Linear Expansion Valve Compressor Hermetic NES6YDKMT Motor output 2 5 Starter type Protection devices Internal thermostat J Thermal relay OUTDOOR UNIT HP switch HP switch Discharge thermo Discharge thermo Crankcaseheater W 38 Heat Plate coil Fan drive No Fan motor ouput Fen 0 7 0 Defrost method 222227 Noiselevel 58 49 5 Dimensions D mm n 330 20 13 3 4 02 33 5 8 1 260 49 5 8 kg lbs 9 174 97 214 407 3 3 7 3 4 0 8 8 aia 1 3 RE Pipe size O D Connection method Between the indoor amp outdoor unit REFRIGERANT PIPING Power phase voltage 3 ph 50Hz 400V 4wires Max current External finish Munsell 7 1 Refrigerant control Linear Expansion Valve Compressor Hermetic Line start a SR u G C Heat exchanger Plate fin coil Fan Fan drive x No reci x2 pomor eee O Defrost method 46 Ip MEM Dimensions mm n 10504486 ir Refrigerant FA 7 MEL56 Pipe size O D Connection method Between the indoor amp outdoor unit OUTDOOR UNIT REFRIGERANT PIPING 10 it DATA 5 1 REFILLING REFRIGERANT CHARGE R407C som length
16. MSONH 570 333 708 CONTACTOR 1 1 pem S70 E10 716 TERMINAL BLOCK 4P L1 L2 L3N 1 1 1 570 E04 716 TERMINAL BLOCK 3 61 52 5 1 570 K05 763jOUTDOOR FAN MOTOR YDK75 6U 570 K04 115 PROPELLER FAN 4 570 01 097 0 570 E16 202 THERMISTOR DISCHARGE 570 36L 467 MUFFLER 570 E00 413 PLUG 570 300 418 LIQUID 38 1 1 1 1 570 065 400 COMPRESSOR 1 1 570 067 400 NEHYEKMT S70 E04 236 HEATER 240V38W 1 1 1 oj S70 E04 440 ACCUMULATOR 1 11 41 4 1 S70 E03 440 ACCUMULATOR 2111 111 S70 E04 411 BALL VALVE 5 8 570 361 450 STRAINER S70 350 242 HWAYVAVESOLEODCOL 1 12494 S70 A00 403 4 WAY VALVE REVERSING S70 E15 202 1 S70 E02 401 LINEAREXPANSIONVAVE 1 1 1 1 lt 570 E02 408 S70 E01 408 EXCHANGER S70 00 208 HIGH PRESSURE SWITCH OFF33MPa ON26MPa 1 1 1 1 670 321 315 OUTDOOR ______1 1 1 1 081 63A 4 4 4 4 pWERH FUSE 670 301 255 OUTDOORFANCAPACITOR 2 2 440V 1 1 1 1 7 7 332 708 570 333 708 2 570 E10 716 3 570 E04 716 4 570 763 5
17. OFF Only Automatic is displayed under the automatic mode CALL Flowchart of Function Setting Setting language English Change Language Function selection Mode selection Display mode setting Normal display Display when the air condition is not running Hold down the button and press the button for 2 seconds Remote controller function selection mode MOE SELECTION 11 ERNE ES RHGURGE p RHOUHZE kauanga RHOUHZE ZH HHOUHZE HHOUHZE vd ip OCKING ONC TION 3 TEMP WNC TIOH ENTER ltem3 D OFF ont one D OFF Hold down the button and press the button for 2 seconds Press the operation mode button 8 Press the TIMER MENU button Press the TIMER ON OFF button Dot display EA MITSUBISHI ELECTRIC LAHGUAGE Operation lock setting is not used Initial setting value Operation lock setting is except On Off buttons Operation lock setting is All buttons The automatic mode is displayed when the operation mode is selected Initial setting value The automatic mode is not displayed when the operation mode is selected The temperature range limit is not active Initi
18. S9NIHIM ONIdld m 91108 19 mm SelOH88IO 9 98 816 lulod leued solAleS ill 100pino 400pu 14614 Addns SUOI OBUUOD euluuel pedeys N Z PUH P100VGAA UK PUH P100YGAA UK PU P100VGAA UK PU P100YGAA UK 006 oDjeuosiq 2 1994 uonel elsul 006 002 eyelul 295 869 Hog S9 OU OpXZ L Z 02 exelu 59 LL N 59 89 55 14044 08 1 1u0J4 29 2 lddnS lt epis gt 29 2 lddnS lt 1044 gt 29 5 Ajddng lt epis 1U6IH gt sllel8d nO yoouy buldl
19. 7 Volts 5 Discharge 2 18 Suction pressure 0 54 D gt O O gt 45 o c 8 5 Intake air temperature Discharge air temperature DB pop ec 5 Intake air temperature 4 0 82 0 12 The unit of pressure has been changed to MPa based on international SI system The conversion factor is 1 MPa 10 2 kgf cm 2 Indoor side 14 6 3 2 12 9 CD Outdoor side 0 72 0 14 140 PLA RP71AA PLA RP100AA PLA RP125AA Cooling 14 200 5 90 5 PLA RP140AA NO CD 00 230 gt 5 PU P71VGAA UK PU P100VGAA UK 8 Outdoor unit PU P 1YGAA UK PU PIOOYGAA UK PU P125YGAA UK PU P140YGAA UK 5 MPa 5 Ret pipe length 8 27 z Z o Intake air temperature 38 stake a oa 2 ss 5 55 2 2 Intake air temperature 5 24 Ce TI 0 72 078 The unit of pressure has been changed to MPa based on international SI system The conversion factor is 1 MPa 10 2 kgf cm 6 OUTLINES DIMENSIONS mm Uni 98 STOTT FE IIR 2 19409 110
20. The switches do not work properly The circuit breaker trips frequently or the fuse blows frequently Water has accidentally been splashed into the unit Water leaks from the unit Something is accidentally dropped into the air conditioner An unusual noise is heard during operation The following do not indicate any malfunction Odours Smells such as tobacco or cosmetic odours may persist after they have been sucked into the unit Sound of liquid flowing inside indoor unit This can occur during or after operation and is simply the sound of refrigerant being circulated inside the unit Ticking sound coming from indoor unit This can occur when cooling or heating has just begun or has just stopped It is caused by the indoor unit shrinking or expanding slightly due to the change in temperature CENTRALLY CONTROLLED indicator appearing on the LCD panel From time to time this message may come up on the LCD panel This does not indicate any malfunction 49 10 6 HOW THE PARTS PUH P25 P35 P50 P60 P71 P100VGAA UK PUH P35 P50 P60 P71 P100 P125 P140YGAA UK PU P35 P50 P60 P71 P100VGAA UK PU P35 P50 P60 P71 P100 P125 P140YGAA UK Parts name Liquid temperature thermistor Discharge temperature thermistor 4 Condenser evaporator temperature thermistor TH6 FAN MOTOR MF 25 71 Protector OPEN 162 169C OPEN 13555 P
21. Check contact of connector 6 on thermistor TH3 or outdoor Condenser of connector TH3 TH6 on the the indoor controller board Evaporator pipe thermistor TH6 indoor controller board Refer to 10 7 Abnormal if open 39 or less or short Defective thermistor Check breaking of the lead wire for thermistor 88 C or more is detected during com 9 Defective outdoor controller 6 Refer to 10 6 2 Check resistance value of thermistor Detection is inoperative for seven minutes 2 after 10 Seconds of compressor starting Replace outdoor controller board and for 10 minutes after defrosting Compressor over current overload D Gas pipe side ball valve and D Open ball valve and stop valve breaking only P35Y P140Y liquid pipe side stop valve are amp Check or replace compressor Abnormal if current value exceeds over shut during operation Refer to 5 2 U6 load set value during compressor opera Abnormal compressor Check power supply voltage 4101 tion Abnormal power supply voltage Check short cycle 4 5 P50 5 8 P60 Overload operation 8 0 P100 9 0 P125 17 0 Over heat protection over load opera In cooling mode defective D Check outdoor fan fan motor tion protection abnormal fan outdoor fan fan motor or Refer to 10 6 Ud Abnormal if pipe thermistor detects the short cycle of air path Put the power off and
22. Use D and Example Selecting room temperature 9 detection position Enter the setting Press Function selection end screen Press 9 and B at the same time The above procedure must be carried out only if changes are necessary 66 Operating Procedure Check the setting items provided by function selection If settings for a mode are changed by function selection the functions of that mode will be changed accordingly Check all the current settings according to steps to fill in the Check column in Table 1 and then change them as necessary For factory settings refer to the indoor unit s installation manual 2 Switch off the remote controller Set the outdoor unit s refrigerant address 9 Hold down the FILTER and TEST buttons simultaneously for at Press the 2 CLOCK buttons v and to select the desired least two seconds will start to flash and then the remote controller s refrigerant address The refrigerant address changes from 00 to 15 display content will change as shown below This operation is not possible for single refrigerant systems Refrigerant address display section If the unit stops after flashed for two seconds or 88 flashes in the room temperature display area for two seconds a transmission error may have occurred Check to see if there are any sources of noise or interference near the transmission path
23. 1 5570 115 PROPELLERFAN4 szo 4 1 4 j 870 16 202 THERMISTOR DISCHARGE 1 870 467 MUFFLER s fe STOP VALVE LIQUID 1 2 5 8 6 8 5 12 13570 E02 440 ACCUMULATOR BALL VALVE BALL VALVE 1857 480 STRANER D pl 17 18 21 22 23 s o pM o 11111 2 570 E02 236 HEATER 240V 30W 4 WAY VALVE SOLENOID COIL HEAT EXCHANGER HEAT EXCHANGER 1 HIGH PRESSURE SWITCH S70 E03 401 LINEAR EXPANSION VALVE 670 311 315 0 CONTROLLER BOARD PART OF BOARD 570 301 255 FAN CAPACITOR 2 2 440V 570 E00 723 COMPRESSOR CAPACITOR 30 F 420V 570 E01 723 COMPRESSOR CAPACITOR 40 F 400V C3 C5 C5 81 FUNCTIONAL PARTS PUH P35YGAA UK PU P35YGAA UK 20 22 21 FUSE 23 24 TU 2 St Do MOA LC 14 11 10 82 Q ty set Part Name Specification 5 PU P35Y GAA UK 570 250 708 22615253 asm 00 Ay _ elso eo l _ 10570 zo e o 1 11 570 083 400 COMPRESSOR EM 1 MG 12570 2 8 3 eol mime ____ 3 wsm tm e
24. 1 2154 is only for PUH P25 100V PUH P35 140Y 2 SV is only for PUH P125Y and PUH P140Y x3 63L is only for PUH P125 140YGAA and PU P125 140YGAA 53 Communication power supply D71 Voltage developed across 16 30V DC 10 8 OPERATION 1 When the outdoor unit becomes under mentioned inspection display Also when the wired remote controller or micro puter in the indoor unit is broken If there is not any wrong section short circuited connector CN31 in the outdoor con troller board is possible to emergency operation Trouble to which emergency operation can be set Display Inspections details U4 Piping thermistor TH3 or condenser thermistor TH6 open short Transmission between indoor and outdoor unit Receiving trouble outdoor unit Transmission between indoor and outdoor unit Transmission trouble outdoor unit 7 Transmission trouble for outdoor unit 2 Check items and notices as the emergency operation 1 sure that there is no trouble in the outdoor unit any more besides above mentioned When there is trouble besides above mentioned emergency operation is not available 2 When the emergency operation their switch SWE setting in the indoor controller board is necessary 3 Emergency operation will be serial operation by the power supply ON OFF ON OFF or temperature etc adjustment is not operated by the remote controller 4 Do not
25. 1 MPa 10 2 kgf cm Indoor side Outdoor side 14 PUH P71VGAA UK PUH P100VGAA UK PUH P71YGAA UK PUH P100YGAA UK Phase Hz volts suciontemperature __ CO 5 8 1 6 0 4 os co 27 20 27 20 27 2 27 20 Intake air temperature Discharge DB C 134 45 1 401 117 487 512 2 7 s 7 3 7 35 7 Intake air temperature C 24 6 2 6 2 6 2 6 x SF om ove _ 288 oo o9 The unit of pressure has been changed to MPa based on international SI system The conversion factor is 1 MPa 10 2 kgf cm gt 5 Outdoor unit PUH P125YGAA UK PUH P140YGAA UK Electrical circuit 5 O w O c o c Indoor side Outdoor side Cooling only type Representative matching PLA RP35AA PLA RP50AA 4 500 5 600 1 72 2 93 PLA RP35AA 5 5 Volts 30 230 PU P35VGAA UK PU P50VGAA UK PU P60VGAA UK PLA RP60AA lt N C1 el N Cooling Capacity 6 700 Input kW Total BB PLA RP60AA CD Amperes Outdoor unit PU P35YGAA UK PU P50YGAA UK PU P60YGAA UK Phase Hz 1 3 50 1 3 50 Electrical circuit cO O C1 1 3 50 230 400 11 49 3 29 113023
26. 38 J 30785 3384 20 SelOH88IO 9 QnO ypouy 2 Qno ypouy 1 10044 lddnS JeNod lt apis gt 29 2 BuuiM lddnS lt apis 1044 gt lddnS lt epis luBiti gt sllel8d nO yoouy buldld lulod JooplnOMoopulUBIH AIddns Jewmod 197 SuolloeuuoD euluuel OLW sejou peuojou pedeus 1 2 P140YGAA UK PUH P125YGAA UK PU P125YGAA UK PU P140YGAA UK PUH 295 869 epis peulelqO ss GL SAelos 6ulddel esf Jeudle6ol eoeyns eui NV 985684 eui peunoes eq 1snuJ y 59522 0 esau uonoeuuoo FATWA 4015 Jo 1 H09 SeloU OpXZ L Z
27. 9 Defective of abnormality gen erated controller Contact failure of transmission wire of outdoor unit or indoor unit 2 Disconnection of transmission connector CN2M of outdoor unit 9 Defective transmitting receiv ing circuit of outdoor unit or indoor unit During group operation with indoor unit of multi refrigerant system if remote controller transmit to indoor unit while outdoor unit power supply of one refrigerant system is put off or within two minutes of restart abnormality is detect ed 2 Contact failure of transmission wire of remote controller or indoor unit Disconnection of transmission connector CN2M of indoor unit 4 Defective trnamsitting receiv ing circuit of indoor unit or remote controller During group operation with indoor unit of multi refrigerant system if indoor unit transmit to remote controller while out door unit power supply of one refrigerant system is put off or within two minutes of restart abnormality is detected Contact failure of transmission wire of remote controller or indoor unit Disconnection of transmission connector CN2M of indoor unit 2 Defective trnamsitting receiv ing circuit of indoor unit or remote controller 43 Judgment and action Always try the followings when the error A7 occures D Shut off the power supply of outdoor unit indoor FRESH MASTER or LOSS NAY at the same time for two minutes or more
28. A7 of the previous page 7 Check transmission waveform or noise on transmission wire 2 Shut off the power supply of outdoor unit and indoor unit and FRESH MASTER or LOSS NAY at the same time for two minutes or more and put the power on again If mal function was accidental the unit returns to normal If the same abnormality generates again controller of displayed address and attribute may be defective 10 5 TROUBLESHOOTING BY INFERIOR PHENOMENA 1 Remote controller display does not work Electric current marker is not displayed on the remote controller Reference Meaning of the indoor control board LED LED1 Micro computer power supply Display of DC14V is supply or not from indoor power LED2 Power output supplied to remote controller Display the power condition supplied to wired remote controller When the refrigerant address is 0 supplied power output ON LED3 Indoor outdoor communication monitor Blinking when receiving the signal normally from the outdoor unit Indoor control p c board LED Main power is not turned on Power supply inferior COCheck the power wiring to the outdoor unit and the breaker off off off X OMis wiring breaking or contact failure of the connect Check for incorrect wiring wiring breaks and poor ing line connections between the indoor and outdoor units ChRefrigerant address excepts 0
29. Abnormal low pressure Low pressure D Check stop valve switch 63L worked 00 Put the power off and on again to check if is displayed on restarting If F3 is displayed follow the F3 processing direction 5 Correct to proper amount of refrigerant amp Check linear expansion valve Refer to 10 6 Protection from overheat operation TH3 Check if outdoor unit has a short cycle on its air duct 2 Check if the connector of TH3 on outdoor controller board is disconnected 4 blinks Compressor s overcurrent Overload D Check if ball valves are open Thermal relay 51C has been tripped 2 Measure resistance values among terminals on compressor has locked the operation of by using a tester compressor in start up 3 Check if outdoor unit has a short cycle on its air duct 4 Check if the connector of 51CM 51 on outdoor controller board is disconnected 5 Check if the units get their heat exchanger and filter dirty and clogged 5 blinks Open short circuit of discharge thermistor TH4 Check if the connectors of TH4 TH3 and TH6 on outdoor Open short circuit of liquid pipe thermistor TH3 controller board are disconnected short circuit of EVA COND pipe 2 Measure the resistance values of each thermistor thermistor TH6 TH4 TH3 and TH6 4 blinks 1 blinks Abnormality of room temperature thermistor Check if the connectors of CN20 CN21 and CN29 o
30. MITSUBISHI ELECTRIC Changes for the Better SPLIT TYPE HEAT PUMP AIR CONDITIONERS SPLIT TYPE AIR CONDITIONERS SERVICE MANUAL R407C Outdoor unit model names PUH P25VGAA PUH P35VGAA PUH P35YGAA PUH P50VGAA PUH P50YGAA PUH P60VGAA PUH P60YGAA PUH P71VGAA PUH P71YGAA PUH P100VGAA PUH P100YGAA PUH P125YGAA PUH P140YGAA PU P35VGAA PU P35YGAA PU P50VGAA PU P50YGAA PU P60VGAA PU P60YGAA PU P71VGAA PU P71YGAA PU P100VGAA PU P100YGAA PU P125YGAA PU P140YGAA August 2005 6 Service Ref Service Ref is on page 2 This manual describes only service data of the outdoor units CONTENTS 1 REFERENCE 1 3 2 SAFETY 4 3 PART NAMES AND FUNCTIONS 6 4 7 11 6 OUTLINES AND DIMENSIONS 18 7 WIRING 292 8 WIRING SPECIFICATIONS 24 9 REFRIGERANT SYSTEM 28 10 TROUBLESHOOTING 30 11 FUNCTION SETTING 65 12 DISASSEMBLY PROCEDURE 71 13 DARTS 6 75 Service Ref PUH P25VGAA UK PUH P35VGAA UK PUH P35YGAA UK PUH P50VGAA UK PUH P50YGA
31. When the temperature is or less Indoor 1 temperature are displayed by turns 39 88 ON 123456 Indoor unit piping temperature LIQUID 39 88 TH2 When the temperature is OC or less Indoor 2 temperature are displayed by turns 39 88 ON 123456 When no indoor unit 00 is displayed Indoor unit piping temperature LIQUID 39 88 TH2 When the temperature is 0C or less Indoor 3 temperature are displayed by turns 39 88 C When no indoor unit 00 is displayed ON 123456 Indoor unit piping temperature LIQUID 39 88 TH2 When the temperature is OC or less Indoor 4 temperature are displayed by turns 39 88 ON 123456 When no indoor unit 00 is displayed Indoor room temperature TH1 8 39 ON 513141 123456 123456 123456 123456 123456 123456 123456 3 123456 123456 123456 Indoor setting temperature 17 30 Outdoor piping temperature Cond Eva TH6 39 88 Discharge super heat SHd 0 255 Cool TH4 TH6 Heat 4 5 Sub cool SC 0 130 Heat TH5 TH2 Communication demanded capacity OP 250 eon air conditioners connected to and under central control When no communication demanded setting 100 is displayed Error thermistor display
32. troller board of outdoor unit may be defective Continued to the next page From the previous Meaning of error code and detection method Judgment and action 7 6607 6608 5 If displayed address or attribute is FRESH MASTER Indoor unit detects abnormality when indoor unit transmitted to FRESH MAS TER and there was no reply ACK During sequential operation of indoor unit and FRESH MAS TER of other refrigerant sys tem if indoor unit transmits to FRESH MASTER while out door unit power supply of same refrigerant system with FRESH MASTER is put off or within two minutes of restart abnormality is detected 2 Contact failure of transmission wire of indoor unit or FRESH MASTER Disconnection of transmission connector CN2M of indoor unit or FRESH MASTER 2 Defective transmitting receiv ing circuit of indoor unit or FRESH MASTER If the power supply of LOSS NAY is off indoor unit detects abnormality when it transmits to LOSSNAY During sequential operation of indoor unit and LOSSNAY of other refrigerant system if indoor unit transmits to LOSS NAY while outdoor unit power supply of same refrigerant sys tem with LOSSNAY is put off or within two minutes of restart abnormality is detect ed Contact failure of transmission wire of indoor unit of LOSS NAY Disconnection of transmission connector CN2M of indoor unit 5 Defective transmitting receiv ing circuit
33. 1 19 570 E02 401 LNEAREXPANSIONVALVE 1 2570 amEMTEXCHANGER a 211670 E00 208 HIGH PRESSURE SWITCH Fia 1 1 22 sa 315 1 23 520 239 FUSE a 241670 258 0UTOOORFANGAPAOTOR 22 xav 1 1 cl 91 FUSE 23 FUNCTIONAL PARTS PUH P100VGAA UK PU P100VGAA UK 22 28 27 26 25 21 19 12 92 Part number that are circled not shown in the figure Q ty set Part Name Specification PUH P100V PU P100V S70 E03 763 OUTDOOR FAN MOTOR N026P72MT S70 30L 115 PROPELLERFAN4 S70 30L 097NUT S70 E05 408 EXCHANGER S70 E04 763 OUTDOOR FAN MOTOR N02A672MT S70 E00 208 HIGH PRESSURE SWITCH ON 2 6MPa 7 970 421 467 MUFFLER 8 570 E18 202 TMERMSTORDISCHARGE 1 1 18 9 570 00 413 CHARGEPLUG 2 2 2 10 570 071 400 NESEVMMT 1 1 11570 300 418 STOP VALVE LIQUID 38 Wiring Diagram Imended Symbol 670 E05 440 ACCUMULATOR 870 42L 450STRAINER 50191 7 870 E14 202 000000 S70 05 401 LINEAREXPANSIONVALVE I gt 20 57 250 242 A VALVESOLEOD COL 21570 280 403 away VALVE REVERSING 250 415
34. 2154 Fan motor 4 d gt Terminal 4 the terminal disconnect the compressor lead wire and inner thermal device terminal 5 Remove the electrical box screw 4 10 and lift the 1 Wm 4 box to remove it The electric box cover is hooked at 2 points on the left and 1 point on the right iil nem Cover panel fixing screw Compressor 71 PROCEDURE 5 4 Removing the liquid temperature thermistor discharge temperature thermistor and condenser evaporator temperature thermistor 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 When the top panel removing is not possible remove the electric parts box Refer to 3 When removing liquid temperature thermistor and the discharge temperature thermistor it unnecessary to remove the top panel See Photo 5 3 Disconnect the lead wire of the liquid temperature thermistor discharge temperature thermistor and condenser evaporator temperature thermistor from the housing TH4 TH6 on the controller board 4 Loosen the 1 lead wire clamps on the electrical box 5 Pull out the thermistor from the sensor holder Removing the bypass valve solenoid coil SV 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 When the top panel removing is not possible remo
35. 570 K04 115 6 570 097 7 570 16 202 8 570 36L 467 9 570 E00 413 10 570 300 418 570 065 400 570 067 400 121870 04 236 570 04 440 570 E03 440 14 870 E04 411 15 870 36L 450 116 570 350 242 17 870 A00 403 18 570 15 202 191870 02 401 570 E02 408 570 E01 408 21 570 00 208 22 570 321 315 23 570 520 239 24 870 301 255 87 FUNCTIONAL PARTS PUH P71VGAA UK PU P71VGAA UK 19 A Ww 20 10 11 22 21 j a lt NERS y 25 24 88 Quyset iring Part Specification 71 EUH P71V Diagram mended Symbol 1870 330 708 CONTACTOR e 3 3 870 E04 716 BLOCK 3612 1 1 10 4 FANMOTOR YDK75 60 1 _ PROPELLER 7 sm eo manane 3 2 418 STOP 1 1 111570 068 400 COMPRESSOR 1 1 me 12 S70 E04 236 CRANKCASE HEATER 20v 3aW 1 13 870 1 1 1 3 350 242 1 7 870 aoo sm E15 202 18 570 em INEARENPMMGON VALVE uv NN NN NE NN NN 7 20 5
36. 9 52 3 8 Stop valve Liner expansion valve with service Refrigerant flow in cooling PU P125YGAA UK PU P140YGAA UK Low pressure protect Ball valve switch High pressure m 2 protect switch LES Refrigerant GAS pipe 19 05mm 3 4 Semice 4 Service pos Thermistor Accumulator TH4 g g 50 rS or ae Drier Compressor Refrigerant LIQUID pipe 4 Q 9 52mm 3 8 Strainer 2 Strainer 100 100 Stop valve with service port Liner expansion valve Refrigerant flow in cooling 29 Distributor with strainer Capillary tube O D 4 0X1 D 3 0 2 350 2 5 Thermistor TH6 Distributor with strainer Capillary tube O D 4 0X1 D 3 0 L200 X2pcs 10 1 TROUBLESHOOTING lt Error code display by self diagnosis and actions to be taken for service gt Present and past error codes are logged and displayed on the wired remote controller and control board of outdoor unit Actions to be taken for service which depends on whether or not the inferior phenomenon is reoccurring at service are sum marized in the table below Check the contents below before investigating details Unit conditions at service Actions to be taken for service summary Displaved Judge what is wrong and take a corrective action according pie to 10 4 Self diagnosis action table The inferior phenome
37. D Spanish E Russian RU Italian 1 Chinese CH French F 4 2 Function limit 1 Operation function limit setting operation lock e To switch the setting press the ON OFF button 1 Operation lock setting is made on all buttons other than the ON OFF button no2 Operation lock setting is made on all buttons 9 OFF Initial setting value Operation lock setting is not made To make the operation lock setting valid on the normal screen it is necessary to press buttons Press and hold down the FILTER and CO ON OFF buttons at the same time for two seconds on the normal screen after the above setting is made 2 Use of automatic mode setting When the remote controller is connected to the unit that has auto matic operation mode the following settings can be made To switch the setting press the ON OFF button ON Initial setting value The automatic mode is displayed when the operation mode is selected he automatic mode is not display when the operation mode is selected OFF 3 Temperature range limit setting After this setting is made the temperature can be changed within the set range To switch the setting press the ON OFF button LIMIT TEMP COOL MODE The temperature range can be changed on cooling dry mode LIMIT TEMP HEAT MODE The temperature range can be changed on heating mode LIMIT TEMP AUTO MODE Th
38. and put the power on again If mal function was accidental the unit returns to normal 2 Check address switch of abnormality gener ated address 9 Check disconnection or looseness of abnor mality generated or abnormality detected transmission wire terminal block and con nector 4 Check if tolerance range of transmission wire is not exceeded 5 Check if type of transmission wire is correct or not If there were some trouble of above repair the defective then shut off the power supply of outdoor unit and indoor unit and FRESH MASTER LOSSNAY at the same time for two minutes or more and put the power on again f there was no trouble with 00 06 above in sin gle refrigerant system one outdoor unit con troller of displayed address or attribute is defective If there was no trouble with above in dif ferent refrigerant system two or more outdoor units judge with If address of abnormality source is the address that should not exist there is the unit that memorizes nonexistent address information Delete useless address informa tion with manual setting function of remote controller Only the system FRESH MASTER or LOSS NAY are connected to or the system that is equipped with group setting of different refrigerant system If there was no trouble with above replace the controller board of displayed address or attribute If the unit does not return normally multi con
39. indoor unit FRESH MAS TER or LOSSNAY are done or polarity is changed with the power on and transmission data collide each other 2 Defective transmitting receiv ing circuit of transmission processor Transmission data is changed by the noise on transmission Transmission processor could not transmit because short cycle voltage of noise and the like have entered into trans mission wire continuously 2 Transmission quantity has increased and transmission is not possible because there was wiring mistake of terminal block for transmission wire TB3 and terminal block for central control TB7 in outdoor unit Transmission are mixed with others and occupation rate on transmission wire rose because of defective repeater a function to connector or disconnect transmission of control and central control system of outdoor unit then abnormality is detected Data of transmission proces sor or unit processor is not transmitted normally because of accidental trouble such as noise or thunder surge 2 Address forwarding from unit processor is not transmitted normally because of defective transmission processor hard ware 42 Judgment and action Search the unit with same address as abnor mality occurred If the same address is found shut of the power supply of outdoor unit and indoor unit and FRESH MASTER or LOSSNAY at the same time for two minutes or more after the address is corrected and put t
40. 0 9999 When the time is 100 more the hundreds digit p and tens units digit are displayed by turns E Mmm Example When 2450 hours 10 hours 123456 One second interval 2 45 Compressor operating current ON 0 40 123456 LEV opening Output pulse is displayed by one fifth of actual value ON 0 440 Example When the display shows 300 s 300 X 5 1500 pulse Bole 123456 1500 pulse is the actual output pulse 3 New error postponement code No postponement code 15 00 New outdoor unit error postponement ON display Code displa 123456 Pe Operation mode on error occurring Operation mode on error stop ON SW2 setting is displayed at below code Code SW2 display 123456 SW2 setting Display detail Explanation for display ON 123456 ON 123456 ON 123456 ON 123456 123456 123456 ON 123456 Piping temperature on error occurring 40 90 Compressor temperature TH4 or discharge temperature TH4 on error occurring 0 216 Compressor operating current on error occurring 0 40 Error code history 1 latest Alternate display of abnormal unit number and code Error code history 2 Alternate display of error unit number and code Thermistor ON time 0 999 Trial run elapsed time 0 120 of indoor unit 0 4 59 40 90 When the thermistor is O
41. Action by the switch operation Effective timing SignallNo ___ itch of single ph Switch of cooling only cooling and heat pump Cooling only Cooling and heat pump When power supply ON i Capacity switch When power supply ON J5 J6 Emergency operation Emergency operation Normal When power supply ON J1 J2 J3 10 10 Optional parts A control Service Tool 5 5251 Function of switches Type of Action by the switch operation Effective timing switches ON OFF Changing of LED 17777 DIP SW SW2 display Operation monitor Operation monitor suspension lt Self diagnosis gt Note Do not use 56 Outdoor unit operation monitor function Operation indicator SW2 Indicator change of self diagnosis SW setting Display detail Explanation for display ON Code indication 123456 lt Digital indicator LED1 working details gt Lighting Normal operation Indicating the operation mode SW2 Be sure the 1 to 6 in the SW2 are set to OFF ON Initial settin 1 Display when the power supply ON 9 When the power supply ON blinking displays by turns 123456 Wait for 4 minutes at the longest 1 second interval 59 2 When the display lights Normal operation Operation mode display ol __ __ __ Low JD e 5 07 we DEFROSTNG __ 8
42. C or less and temperature are displayed by turns When no indoor unit 00 is displayed When the temperature is 0 C or less and temperature are displayed by turns When no indoor unit 00 is displayed 39 88 When the temperature is 0 C or less and temperature are displayed by turns When no indoor unit 00 is displayed 39 88 62 lt Display function of inspection for outdoor unit gt blinking patterns of two LEDSs LED1 Green LED2 Red show the diagnoses of troubles in case of malfunction By 7SEG indicator board indicates the operation mode and inspection types LED1 Green LED2 Red Indication Indication Indication LED1 LED2 Green Red 1 blink 1 blink 2 blinks 1 blink Negative Phase detection wires of power supply and connecting wires of indoor outdoor units are crossed with one another 51CM connector open 2 blinks connector open outdoor unit connector mis wiring Excessive numbers of indoor units outdoor unit five or more Mis wiring of indoor outdoor unit connection wires crossed wiring or disconnection eStart up time is up 2 blinks Indoor outdoor unit transmission error Signal receiving error Indoor controller side Indoor outdoor unit transmission error Transmitting error Indoor controller side Indoor outdoor unit
43. Fan step on error occurring 0 16 LEV opening on error occurring 0 440 Display by scaled 1 5 to actual opening Outdoor piping temperature Cond Eva on error occurring TH6 39 88 Discharge super heat on error occurring SHd 0 255 Cool TH4 TH6 Heat TH4 TH5 Sub cool on error occurring SC 0 130 Cool TH6 TH3 Heat TH5 TH2 61 Explanation for display 17 80 39 88 When the temperature is O C or less temperature are displayed by turns 09255 When the temperature is 100 or more the hundreds digit and tens units digit are displayed by turns Example 115 C One second interval 10 15 0 130 When the temperature is 100 or more the hundreds digit and tens units digit are displayed by turns 0 255 When the capacity is 100 or more the hundreds digit and tens units digit are displayed by turns Example When 100 One second interval 1L1 00 3 Outdoor liquid piping thermistor TH3 6 Outdoor condenser thermistor TH6 When no error thermistor is displayed 0 440 When the pulse is 100 or more the hundreds digit and tens units digit are displayed by turns Example When the display shows 300 300 X 5 1500 pulse 39 88 When the thermistor is less and temperature are displayed by turns Example When 15 One second interval 15 0 255 When the temperature is 100 or more the hundreds digit and te
44. GRILL M SER 0 9 gt y 5X15 570 130 MOTOR SUPPORT SEPARATOR ASSY VALVE BED ASSY RG00R045G07 RG00R048G01 570 02 686 570 301 655 PANEL HANDLE 670 311 658 670 301 658 PANEL2 S70 E01 682 REARPANEL 670 001 699 LABEL MITSUBISHI 670 05 661 670 06 661 570 07 661 S70 K08 661 570 31L 698 REARGUARD e 1870 30L janb 2 571 000 051 16 16 16 16 3 870 97W 613 P 4 870 00 614 5 870 361 119 6 870 02 675 7 870 130 x LIMEN ____ 1 10 870 02 686 11 870 301 655 ____ 2 2 2 2 121870 31 658 13 870 301 658 14 870 EO 682 15 870 001 699 LIU TETES 870 661 870 661 Ld 570 661 j a C quid 3 76 STRUCTURAL PARTS PUH P71VGAA UK PUH P71YGAA UK PU P71VGAA UK PU P71YGAA UK 17 16 15 MT 111 p Su ATTE Ec xd PUP UK Remarks re mondea VGAA YGAA Drawing No symbol Unit Amount D 1 870 21871 000 585 570 97W GIS SUPPORT 870 00 614 FRONT SUPPORT _ MOTOR SUPPORT SEPARATOR ASSY _ 570 03 130 SUPPORT SEPAR
45. Lr L NAL Remote controller self diagnosis result When the remote controller is functioning correctly When the remote controller malfunctions Error display 1 NG flashes gt The remote controller s transmitting receiv ing circuit is defective Check for other possible causes as there is no problem with the remote controller Where the remote controller is not defective but cannot be operated Error display 2 6833 or 6832 flashes Transmission is not possible Error display 3 ERC and the number of data errors are displayed Data error has occurred a SELFCHECK ERROR CODE There might be noise or interference the transmission path or the indoor unit The number of data errors is the difference between the number of bits sent from or other remote controllers are defective Check the transmission path and other the remote controller and the number actually transmitted through the transmis controllers sion path If such a problem is occurring the transmitted data is affected by noise etc Check the transmission path When the number of data errors is 02 Transmission data from remote controller nin Transmission data on transmission path 4 cancel remote controller diagnosis Press the CHECK button for five seconds or more Remote controller diagnosis will be cancelled PLEASE WAIT
46. P35YGAA UK PU P35VGAA UK PU P35YGAA UK PUH P60VGAA UK PUH P60YGAA UK PU P60VGAA UK PU P60YGAA UK GROUND 2 gt LINE MODE SPL dB 5 MINIMI AMI 41117 AA eo oe SPL dB MICROPHONE 125 250 500 1000 2000 4000 8000 FREQUENCIES Hz 125 250 500 1000 2000 4000 8000 lt x LMM LM 228 5529 z lt lt lt lt lt 4 5094 MZ gt g 22 THT 55299 A 2088 I Tro 5 gt eqr 200070 0 14441 SYNSSAYd ANNOS 3 120 000 0 eqr 200070 14 41 SYNSSAYd ANNOS 3AVLOO BAND CENTER FREQUENCIES Hz BAND CENTER FREQUENCIES Hz 63 SPL dB 53 e HEATING PUH P100VGAA UK PUH P100YGAA UK PU P100VGAA UK PU P100YGAA UK 51 PUH P71VGAA UK PUH P71YGAA UK PU P71VGAA UK PU P71YGAA UK R ss sm ee ee 1 eed ede A d Z e LO 2000 0 0 14441 SYNSS3AYd ANNOS 120 MM MN U i a oe ee Ha te fede fo UAE C i ETTE n 125 250 500 1000 2000 4000 8000 CD CN eqr 200070 gp 0 14441 SYNSS3Yd ANNOS 444150 125 250 500 1000 2000 4000 8000 COOLING 57 58
47. connecting to system controller 2 Connect the wire to the M NET terminal block Connect one core of the transmission wire non polar to A terminal and the other to B Peel the shield wire twist the shield part to a string and connect it to S terminal Shield 3 In the system which several outdoor units are being connected the terminal wire part A B S on M NET terminal block should be individually wired to the other outdoor unit s terminal i e A to A B to B and S to S In this case choose one of those outdoor units and drive a screw to fix an ground wire on the plate as shown on the right figure 8 3 1 M NET address setting In A control models M NET address and refrigerant address should be set only for the outdoor unit Similar to Free Combo system there is no need to set the address of outdoor unit and remote controller To construct a central control system the setting of M NET address should be conducted only upon the outdoor unit The setting range should be 1 to 50 the same as that of the indoor unit in Free Combo system and the address number should be consecutively set in a same group Address number can be set by using rotary switches d SW11 for ones digit and SW12 for tens digit which is located on the M NET board of outdoor unit Switng Factory setting all addresses are set to 0 Seung 8 3 2 Refrigerant address setting In case of multiple grouping system multiple refrigerant circuits in
48. do eui Aq eui peunoes eq JSNW 59522 10 p piA01d 95941 9 JV oez 5 2 2 pue 14044 MEE lt oq PIU A LS D o 5 5 d peseuound snuJ pue p ueo 751064 O p suonoeuuoo pue Ajuur OY 91 5 9NIHIM ONIdld I 51108 4 S eu jo do y 5 10 9 5 5 uogeoo JAYA 4015 30 1 Lx 4699 13 edid dInDm 48 2569 vvo A ASed 3uv 13 edid 42 1 YvoASed 3uv 13 edid SVD 48 5 88510 WWD A ASEd SHV14 edid D JO 5 ooeds UuUolellelsul ay u y UMOYS jo 54 559999 9949 10 oiseq eoeds Jo 5 eu JOvdS
49. manual that came with the product for how to The operating display of the wire self diagnostic function is being clean the filter less remote controller s receiver 15 to preserve the air con ditioner STAND is displayed Displayed when the unit starts Do not attempt to make repairs HEAT operation when the air con yourself Turn the main switch off ditioning function puts the com and contact the dealer from pressor in operation mode or whom you bough the air condi when the outdoor unit ends tioner Provide him or her with DEFROST operation and returns the name of the unit to HEAT operation The display disappears after about 10 minutes STAND BY displayed on the remote controller indicates that the indoor unit s heat exchanger hasn t fully heated up so the blower air volume is restricted To prevent cold air from being felt at this time the up down vane is automatically set to horizontal blow When STAND is released the up down vane returns to the set ting specified by the remote con troller 48 for wireless remote controller Before you call out a repair man check the following table to see whether there is a simple solution to your problem Display Unit does not operate at all When POWER ON OFF button is main power pushed there is not beep and the POWER ON OFF button to nothing is displayed turn the unit on Outdo
50. of indoor unit or LOSSNAY D The unit of former address does not exist as address switch has changed while the unit was energized 2 Abnormality is detected when indoor unit transmitted because the address of FRESH MASTER and LOSS NAY are changed after sequential operation of FRESH MASTER and LOSS NAY by remote controller 6 If displayed address or attribute is LOSSNAY Indoor unit detects abnormality when indoor unit transmitted to LOSSNAY and there was no reply ACK 7 If displayed address or attribute is nonexistent M NET NO RESPONSE Abnormal if a massage was transmitted and there were reply ACK that massage was received but response command does not return Transmitting side detects abnormality every 30 seconds six times continuously Note The address and attribute displayed at remote controller is indicate the controller that did not reply ACK Transmitting condition is repeated fault because of noise and the like Extension of transmission wire voltage and signal is caused by over range transmission wire Maximum distance 200m e Remote controller line 12 Extension of transmission wire voltage and signal is caused by type unmatched transmis sion wire With shield wire CVVS CPEVS With normal wire no shield VCTF VCTFK CVV CVS VVR VVF VCT Diameter 125mm or more 4 Accidental malfunction of abnormality generated controller 44 Same as mentioned
51. on there are no error records 2 f the beeper sounds three times continuously beep beep beep 0 4 0 4 0 4 sec after the initial two beeps to confirm the self check start signal was received the specified refrigerant address is incorrect 36 10 4 SELF DIAGNOSIS ACTION TABLE lt Abnormalities detected when the power is put on Note 1 The number in is the error cord of upper remote controller M NET Meaning of error code and detection method Judgment and action No voltage is supplied to termi Check following items nal block TB1 of indoor unit a Power supply breaker a Power supply breaker is put b Connection of power supply terminal off block TB1 b Contact failure or discon c Connection of power supply terminal nection of power supply ter block TB1 minal 2 Check following items C L1 phased open phase a Connection of power supply terminal 2 Electric power is not charged block TB1 None to power supply terminal of b Connection of terminal on controller board controller board 9 Replace following items a Contact failure of power a Fuse 6 3A supply terminal b Controller board When items above are b Disconnection of terminal R checked but the units can not be repaired or 4 S on controller board Defective outdoor controller board a Fuse 6 3A on controller board is blown b Defective parts Reverse phase detection Power supply L1 L2 L3 are not connected and i
52. on the wires of power supply and connecting wires of indoor outdoor units 3 Check if there is noise on both indoor and outdoor controller board 2 Turn the power off and let the units operate again to confirm Check if the wirings are correct on indoor units or remote controllers 2 Check if there is noise on the transmission lines of remote controllers Turn the power off and let the units operate again to confirm Check if there is noise on the transmission lines of remote controllers 2 Check if there is noise on the connecting wires of indoor outdoor units 9 Turn the power off and let the units operate again to confirm To be continued on the next page the preceding Indication Inspection method LED1 LED2 Green blinks 1 blink Abnormal high discharge temperature TH4 Check if ball valves are open 2 Check the continuity of connector TH4 on outdoor controller board by using a tester 9 Check if the unit fills the refrigerant at the same amount as specified 2 blinks Abnormal high pressure High pressure D Check if indoor outdoor units have a short cycle on their air switch 63H worked ducts 2 Check if the connector of 52C 63H on outdoor controller board is disconnected 9 Check if the units get their heat exchanger and filter dirty and clogged 4 Measure resistance values among terminals on linear expansion valve by using a tester
53. operate for a long time as cold air is blown from the indoor unit when the outdoor unit starts defrosting operation during heating emergency operation 5 Cool emergency operation must be within 10 hours at most It may cause heat exchanger frosting in the indoor unit 6 After completing the emergency operation return the switch setting etc in former state 3 How to operate the emergency operation SW4 1 Turn off the main power supply ON Heating 2 Turn on the emergency switch SWE in the indoor controller board 3 Short circuit the CN31 emergency operation connector in the outdoor controller board 4 Set the operation mode COOL or HEAT with the SW4 2 in the outdoor controller board SW4 1 cannot be used 5 on the main power supply 1 2 Cooling 6 The emergency operation starts and be sure of blinking the operation mode display 4 Emergency operation details 1 Operate with the operation mode which has set COOL or HEAT by the SW4 2 2 In the fan operation conditions the fan is always operated by 100 percent 3 The operation mode display blinks at intervals of 1 second 5 How to release the emergency operation SW4 1 Turn off the main power supply 2 Turn off the emergency switch SWE in the indoor controller board 3 Open the CN31 emergency operation connector in the outdoor controller board 4 Set the SW4 2 on the outdoor controller board as in the right Unit operation
54. the bell mouth See Photo 9 5 Remove the 3 valve bed fixing screws 4 X 10 and the 4 ball valve fixing screws 5 X 16 to remove the valve bed 6 Remove the 3 rear panel fixing screws 5 X 15 to the panel 7 Remove the cover panel fixing screw 5 15 to remove the front side of cover panel 8 Recover gas from the refrigerant circuit 9 Remove the 3 points of the compressor fixing nut with a monkey wrench 10 Remove the brazed pipe of compressor intake and outlet to remove the compressor lt Reference gt When the power supply terminal block of the compressor is fixed with the screws the tightening torque is from 1 4 to 1 7 N m NOTE Before using a burner reclaim gas from the pipes until the pressure gauge shows 0 kg cm 0 MPa Use the burner under the condition that gas can be recovered even when the inner pressure rises by heat 14 Removing the accumulator 1 Recover gas from the refrigerant circuit 2 Remove the compressor or remove the rear panel 3 Remove the brazed pipe of accumulator intake and outlet to remove the accumulator NOTE Before using a burner reclaim gas from the pipes until the pressure gauge shows 0 kg cm 0 MPa Use the burner under the condition that gas can be recovered even when the inner pressure rises by heat Photo 9 Bell mouth fixing screw Accumulator Compressor fixing nuts 13 PARTS LIST STRUCTURAL PARTS PUH P25VGAA UK PUH P
55. transmission error Signal receiving error Outdoor controller side outdoor unit transmission error error Outdoor controller side Remote controller transmission error Signal receiving error Remote controller side Remote controller transmission error Transmitting error Remote controller side Remote controller transmission error 3 blinks Signal receiving error Indoor controller side Remote controller transmission error error Indoor controller side 4 blinks Undefined error code 63 Inspection method Check if the wires of power supply are connected to their corresponding terminals on TB1 Check if the wirings are correct on power supply TB1 and outdoor power supply board 2 D Check if the connectors of 51 51C on outdoor controller board are disconnected Check the continuity of connector 51 51C by using tester D Check connection of 63L 63L connector on outdoor controller board Check the 63L side of connecting wire 3 Check refrigerant pressure Charge additional refrigerant Check continuity by tester Replace outdoor controller board Replace outdoor controller board D Check if the wirings are correct on the connecting wires of indoor outdoor units 2 Check if a single outdoor unit connects five or more indoor units D Check if the wirings are correct on the connecting wires of indoor outdoor units 2 Check if there is noise
56. 0 P71 P100 P125 P140YGAA UK PU P35 P50 P60 P71 P100VGAA UK PU P35 P50 P60 P71 P100 P125 P140YGAA UK MF4 4 is only for PUH P100V PU P100V PUH P100 140Y and PU P100 140Y Connect to fan motor Between and 220V 240V a MM 0 48 Rit 52C R2H OSA BET DAZB AG TE MC contactor Between O and 220V 240V AC Es 4 303 5 Crankcase heater Between and 9 22222 9 st pu m j 00 3 5 t m jj 04 37881 amp When connecting A control Service Tool PAC SK52ST operation mode can be displayed by means of 7SEG 4907260 131 84 CA MAT uot T SW5 Fan 100 fix Outdoor LEV opening 220V 240V AC fix 1 2154 4 Between and 9 Discharge temperature 220V 240V thermistor 2 SV TH3 Baypass valve Liquid temperature solenoid coil thermisor Between TH6 220V 240V AC Condenser Evaporator temperature thermisor SW1 Group number address 63L 222 Low pressure switch Fin Pe IEC 127 tuse 2504 S 104 250 SW4 8 o o E ORN Test run IE mere 127 tusa 250v Jumper wire J1 J6 Model selection 86007763
57. 35VGAA UK PUH P35YGAA UK PU P35VGAA UK PU P35YGAA UK asas x 11717 Zz 54 t 8 1 i ion 1 5 Q ty set Remarks Wiring Recom Part Name SpecificationlGAA UK GAA UK Drawing No ir Sm ao ii 2 Fstscrew 870 sw er Ji 8 870 ew FRONTSUPPORT 16 s sm xw _ SEPARATORASSY _ assy soL os _ Sm Ew 692 REARPANEL i T 15870 ss S70 661 8 15 S70 es 8 51 870 2 663 1 17 970 698 j j 75 STRUCTURAL PARTS PUH P50VGAA UK PUH P60VGAA UK PUH P50YGAA UK PUH P60YGAA UK PU P50VGAA UK PU P60VGAA UK PU P50YGAA UK PU P60YGAA UK 17 16 15 fr 1777 set ae Recom Remarks Diagram EST UK Drawing No Symbol Q ty 570 30L 641 PANEL 571 000 051 SCREW 570 97W 613 SUPPORT 570 E00 614 FRONT SUPPORT 570 36 119 BELL MOUTH 570 E02 675 WIRE
58. 4 DC 12V DC 12V DC 12V DC 12V DC 12V 2xMIin 1 5 1 A breaker with at least 3 mm contact separation in each poles shall be provided Use non fuse breaker NF or earth leakage breaker NV 2 Refer to 8 2 8 The 10 m wire is attached in the remote controller accessory 4 The figures are NOT always against the ground 53 terminal has DC 24 V against S2 terminal However between S3 and 51 these terminals are NOT electrically insulataed by the transformer or other device Notes 1 Wiring size must comply with the applicable local and national code 2 Power supply cords and Indoor Outdoor unit connecting cords shall not be lighter than polychloroprene sheathed flexible cord Design 245 IEC 57 3 Install an earth longer than other cables 230V Single phase 3 poles isolator A Control Indoor Unit A Control Outdoor Unit Warning In case of A control wiring there is high voltage potential on the 53 terminal caused by electrical circuit design that has no electrical insulation between power line and communication signal line Therefore please turn off the main power supply when servicing And do not touch the 1 52 53 terminals when the power is energized If isolator should be used between indoor unit and outdoor unit please use 3 poles type 1 1 system Outdoor Indoor outdoor unit connection Earth leakage breaker wiring circuit breaker or isolating switch Synchronized twin and triple sy
59. 41YEKMT Protection devices Internal thermostat Thermal relay Heating cO HP switch HP switch Discharge thermo Discharge thermo W Heat exchanger Fan x No Fan motor output kW Airflow 50 1 770 Defrost method Noise level Cooling dB OUTDOOR UNIT Heating 49 50 Dimensions Weight 74 163 79 174 Refrigerant Charge 3 1 6 8 L Pipe size O D Liquid Connection method Between the indoor amp Max 40m Max 50m outdoor unit REFRIGERANT PIPING PURPHINGARYGAAUK _ Power supply ohase cycle voltage Single 50Hz 230V 3 ph 50Hz 400V 4wires 15 66 5 23 16 43 5 48 17 34 5 79 23 57 10 8 External finish Refrigerant control Compressor NES6VNJMT NES6YDKMT 2 7 Protection devices Internal thermostat Thermal relay HP switch HP switch Discharge thermo Discharge thermo Heat exchanger Fan Fan drive x No Propeller direct x 2 Fan motor output KW 0 07 0 07 Airflow m min CFM 85 3 000 Defrost method Noise level Heating 53 Dimensions mm in 1 260 49 5 8 bs 97 214 Refrigerant Charge 4 0 8 8 Oil Model L mm in 15 88 5 8 19 05 3 4 outdoor unit Piping length OUTDOOR UNIT CE oc LL Cooling Heating Heating Power supply phase cycle voltage 3 ph 50Hz 400V 4wires External finish Munsell 5Y 7 1 Refrigerant control Linea
60. 44 Lx 961 Lx lulod uue3 leued 10 815 006 10 PUEH Addns 9 euluuel SO 9pIS 1094 00 00 xxx OLW 1 pedeus N Z gt lt lt T ayelul Jeou S lt lt lt lt lt Ooo lt lt gt gt gt 9 5 gt O ID ID C c pL CO o ELELLA gt D D DDD O n on n S OU 09 21 2 no oouy loH 6uldld noO yoouy nQ 490uy 140144 29 2 BuuiM lddnS JeNod lddnS JeNod lddnS JeNod lt gt lt gt lt 10014 gt 06 exelu 2 E exul sllel8d nO yoouy buldld Alleool 559 GL x sweaos 6ulddel esf
61. 531 78 PU H P125 140YGAA MODEL ONLY 3 EE ORE TT 4 PUH P35 P140YGAA MODEL ONLY 1 MEME S3 INDOOR OMEN E 52 UNIT YPP POWER SUPPLY 3N 400 50Hz lt Notes when servicing gt Some fastening terminals have a lock mechanism When removing the fastening terminal push the projection locking lever on the terminal with your finger and pull it out 23 8 WIRING SPECIFICATIONS 8 1 FIELD ELECTRICAL WIRING power wiring specifications Outdoor unit model Outdoor unit power supply N single 50 Hz 230 V Outdoor unit input capacity Main switch Breaker Outdoor unit power supply Outdoor unit power supply earth Indoor unit Outdoor unit Indoor unit Outdoor unit earth Remote controller Indoor unit Outdoor unit L N single Outdoor unit L1 N L2 N L3 N 3 phase Indoor unit Outdoor unit 51 52 Indoor unit Outdoor unit S2 S3 Remote controller Indoor unit gt X 2 0 Circuit rating P125 140Y 5 50 Hz 400 V P35 50 60 71 100Y 3N 8phase 50 Hz 400 V 1 25 3 50 60 71 100 single 50 Hz N single 50 Hz 230 V 230 V 1 2 3 4 230 V 230 230 230 230 4 AC 230 V AC 230 V AC 230 V AC 230 V AC 230 V 4 DC 24 V DC 24 V DC 24 V DC 24V DC 24 V
62. 564 25 670 E04 716 TERMINAL BLOCK 3P STS283 1 1 26 570 E10 716 TERMINALBLOCK 1 1 TE 27 570 331 708 1 1 281570 04 408HEATEXCHANGER 1 1 o 4 0 X 03 0 X 350mm 4 0 X 03 0 X 350mm S 570 42L 450 STRAINER S TO PUH P125YGAA UK PUH P140YGAA UK PU P125YGAA UK PU P140YGAA UK FUNCTIONAL PARTS 27 SN 10 96 Part number that is circled is not shown in the figure 1 Wiring ripa ms 188 18 192 1570 E03 763 FAN MOTOR N026P72MT 21870 30 115 PROPELLERFAN4 4 870 07 408 HEATEXCHANGER UNDER 5870 04 763 0UTDOOR MOTOR nozaevamT 1 1 6 870 19 202 IERMSTORDSCHARGE 1 17870 LNEAREYPANSION VALVE 1 M eopoemeson i 1 570 H60 400 ___ 1 9870 300 418 VALVE taum sm 40101 101570 05 411 3 111570 Ma 236 CRANKCASE HEATER 240 1 1 121570 E17 202 henson ones 11 131570 421 4505 00010 141570 1 15 70 Eoo 208 HIGH PRESSURE SWITCH 328 1 4 161570 01 413 cHARGEptue 1 116 171570 251 242 181570 Eo 403 WAY
63. 70 E03 408 EXCHANGER 1 1 21 570 E00 208 MGHPRESSURESWITCH Oil 1 1 22 S70 sw _____ 1 231570 520 2 FUSE a 4 FUSE 24 S70 soL 255 0UTDOORFANGAPAGTOR 2z Fx 1 1 e 25 S70 976 723 COMPRESSOR CAPACITOR 1 1 es 89 1111777777 SU S eJ c 9 6 VEI FUNCTIONAL PARTS PUH P71YGAA UK PU P71YGAA UK CD 25 12 11 10 9 90 Q ty set Price Wiring Recom GAA UK GAA UK 1870 331 708 CONTACTOR 2 1570 E10 716 TERMNALBLOCK 1 1 3 570 E04 716 TERMINAL BLOCK 3612 1 1 1 4 670 OUTDOORFANMOTOR DKTSSU 1 570 115 4 _ 7 570 Ew 202 WEMSTORQSOWAG 1 1 E00 a19 CHARGEPLUG 2 23 300 418 STOP VALVE LIQUID 1 111570 069 400 COMPRESSOR 1 1 mw 12 570 E04 236 HEATER 2aov sew 1 1 13 870 BALVAVE _ 58 a 1 aso sTRANMER 1 1 350 242 4waYVALESOLNODCOL _ 7 870 aoo l 1 _ S70 E15 202 emana 31
64. A UK PUH P60VGAA UK PUH P60YGAA UK PUH P71VGAA UK PUH P71YGAA UK PUH P100VGAA UK PUH P100YGAA UK PUH P125YGAA UK PUH P140YGAA UK PU P35VGAA UK PU P35YGAA UK PU P50VGAA UK PU P50YGAA UK PU P60VGAA UK PU P60YGAA UK PU P71VGAA UK PU P71YGAA UK PU P100VGAA UK PU P100YGAA UK PU P125YGAA UK PU P140YGAA UK 1 REFERENCE MANUAL 1 1 INDOOR UNIT S SERVICE MANUAL Manual No PLA RP35 50 60 71AA PLA RP35 50 60 71AA UK OC335 PLA RP100 125 140AA PLA RP100 125 140AA UK PLH P35 50 60 71AAH PLH P35 50 60 71AAH UK PLH P100 125 140AAH PLH P100 125 140AAH UK PCA RP50 60 71 100 125 140GA PCH P50 60 71 100 125 140GAH PCH P50 60 71 100 125 140GAH PKH P35 50GALH PKH P35 50GALH PKH P60 71 100FALH PKH P60 71 100FALH PSA RP71 100 125 140GA PSH P71 100 125 140GAH PSH P71 100 125 140GAH PEAD RP100 125 140EA PEAD RP100 125 140EA UK 100 125 140 PEHD P100 125 140EAH UK PEAD RP60 71 100GA PEAD RP60 71 100GA UK 1 2 TECHNICAL DATA BOOK Manual 502 2 SAFETY PRECAUTION CAUTIONS RELATED TO NEW REFRIGERANT Cautions for units utilising refrigerant R407C Do not use the existing refrigerant piping The old refrigerant and lubricant in the existing piping contains a large amount of chlorine which may cause the lubricant deterioration of the new unit Use low residual oil piping If there is a large amount of residual oil hydraulic oil etc inside the piping and joints deterioration of the lubricant will
65. ATOR ASSY RGOOR045G08 RGOOR048G01 VALVEBEDASSY Em 696 BASE 000000 7 570 698 REARGUARD 000 77 STRUCTURAL PARTS PUH P100VGAA UK PU P100VGAA UK PUH P100YGAA UK PU P100YGAA UK 6 5 4 Q ty set arks Wiring Recom T Specification P100 UK PU 4 UK Diagram um pe 1 870 301 641 3 870 sew ei3 REARSUPPORT 870 01 614 FRONTSUPPORT 41771700000 870 AAA J J 870 E 675 WREGRL L 3 tit fat l 7 570 ft 1 1 it 8 870 42 130 MoTORSUPPORT 01 1 1 1 SEPARATORASSY 1 1 1 Re0ROMSG 0 jVAvEBEDASSY 11 1 1 11 87 Eo 686 01 1 1 1 12 870 301 655 PANEL HANDLE 21212121 J J 13 670 311 658 COVERPANELT 01 1 1 ia 14 870 301 658 1 1 1 ia _ 15 670 0 e82 REARPANEL 16 870 001 699 LABEL MTSUBISH 471 777 00002045 870 Ko 661 SERVICEPANEL 1 xim ee 870 Kn 661 SERVICEPANEL 870 Ki 661 SERVICEPANEL 18870 301 698 REARGUAFPD 21212021 78 STRUCTURAL PARTS PUH P125YGAA UK PUH P140YGAA UK PU P125YGAA UK PU P140YGAA UK 19 18 17 16 oa
66. C and less temperature are displayed by turns Example When 15C and One second interval Sire 0 216 When the temperature is 100 or more the hundreds digit and tens units digit are displayed by turns Example When 130 C interval 10 30 When error history 0 and and displayed by turns Code display Code display When no error history 0 and and displayed by turns 0 999 When the time is 100 or more the hundreds digit and tens units digit are displayed by turns Example When 245 minutes One second interval 2 45 0 120 When the time is 100 or more the hundreds digit tens units digit are displayed by turns Example When 105 minutes One second interval 1L1 05 SW2 setting Display detail Explanation for display Capacity setting display Display as an outdoor capacity code ON Code display 123456 Outdoor unit setting advice The tens digit Total display for applied setting Setting details Display details H P Cooling only 0 H P 1 Cooling only Code display i Single phase Three phase O Single phase 2 Three phase The units digit Setting details Display details Defrosting switch O Normal 1 High humidity region Example When switching cooing and heat pump three phase defrosting normal 20 ON 123456 3 Indoor unit piping temperature LIQUID 39 88 TH2
67. C on out Check connection of 49C connector on Consider the unit abnormal when the cir door controller board has con outdoor controller board cuit of connector 49C remains open for tact failure or disconnection Refer to 10 7 three consecutive minutes with the power 2 The switch of 49C has contact Check the 49C side of connecting wire F4 on failure or disconnection 4124 49 Inner thermostat Compressor Check the continuity by tester 49 has been tripped defec Replace defective parts tive parts Replace the outdoor controller board Outdoor controller board is defective Reverse phase detector circuit Detective outdoor controller Replace outdoor controller board F7 controller board fault board Abnormal if some of each phase detection 4118 signal is not input three seconds after power supply 2 or more connectors open D Disconnection or contact fail Check connection of 63L 49C 51CM Abnormal if two more out of connector ure of connector 63L 49C connector on outdoor controller board 63L 49C 51CM circuits are open for 51CM on outdoor controller to 10 7 three minutes continuously after power on board Check the 63L 49C 51CM side of F9 9 Disconnection or contact fail connecting wire 4119 ure of 63L 49C 51 3 Check continuity by tester 9 Defective 631 49C 51C Replace the parts if the parts are defective defective parts 2 Repl
68. Jbutton Check for correct motion of auto vanes M 5 Check the outdoor unit fan for The outdoor unit features automatic capacity control to T 5 correct running provide optimum fan speeds Therefore the fan keeps 022 62 running at a low speed to meet the current outside air condition unless it exceeds its available maximum power Then in actuality the fan may stop or run in the reverse direction depending on the outside air but this does not mean malfunction 6 Press the ON OFF button to reset the test run in progress Pipe liquid temperature 7 Register the contact number In case of test run the OFF timer will be activated and the test run will automatically stop after two hours room temperature display section shows the pipe temperature of indoor units during the test run Check that all the indoor units are running properly in case of simultaneous twin and triple operation Malfunctions may not be displayed regardless of incorrect wiring 1 After turning on the power supply the system will go into startup mode PLEASE WAIT will blink on the display section of the room temperature and lamp green of the remote controller will flash As to INDOOR BOARD LED LED1 will be lit up LED2 will either be lit up in case the address is 0 or turned off in case the address is not 0 LED3 will blink As to OUTDOOR BOARD LED LED1 g
69. MC 570 066 400 COMPRESSOR 1 1 S70 E04 236 CRANKCASEHEATER 240V 38W 1 1 1 1 CH S70 E04 440 ACCUMULATOR Lo 1 2 570 E03 440 ACCUMULATOR 570 04 411 BALL VALVE 11 570 36L 450 STRAINER 114440002 670 350 242 4 WAYVALVESOLENOIDCOL 11111 2184 S70 00 403 4 WAY VALVE REVERSING 1 1 4 570 E15 202 1 1 1 1 570 E02 401 EXPANSION VALVE 1 1 1 1 570 E02 408 HEATEXCHANGER __ 1 1 570 E01 408 HEATEXCHANGER 570 E00 208 HIGH PRESSURE SWITCH ON26MPa 1 1 1 1 570 31L 315 OUTDOOR CONTROLLER BOARD pa p ni o Fus a 570 30L 255 OUTDOORFANCAPACTOR 2 24F x 440V 1 1 1 1 3 6 570 100 723 CAPACITOR SF x 42V 1 4 _ 570 869 723 COMPRESSOR CAPACITOR 459 X44V Jail lij 7 8 8 5 Seed ojo 5o v o e e 8 PU P60YGAA UK PUH P50YGAA UK PUH P50YGAA UK FUNCTIONAL PARTS PU P60YGAA UK Ae 11777777 x lt U 5 lt gt T 12 11 10 9 86 Price Part Diagram mendoc CONTACTOR 1 1
70. Note The SW 4 2 operation mode cannot be changed during the test run To change run mode stop the equipment with SW 4 1 change the operation mode then restart test run with SW 4 1 32 10 3 HOW PRECEED SELF DIAGNOSIS 10 3 1 When a Problem Occurs During Operation Ifa problem occurs in the air conditioner the indoor and outdoor units will stop and the problem is shown in the remote controller display CHECK and the refrigerant address are displayed on the temperature display and the error code and unit number are displayed alternately as shown below MITSUBISHI ELECTRIC If the outdoor unit is malfunctioning the unit number will be 2 In the case of group control for which one remote controller controls multiple refrigerant systems the refrigerant address and error code of the unit that first experienced trouble i e the unit that transmitted the error code will be displayed To clear the error code press the 7 ON OFF button Alternating Display Error 2 4 digits Address 3 digits or unit number 2 digits When using remote handheld controller combined operation cancel the error code after turning off remote operation During central control by a MELANS controller cancel the error code by pressing the D ON OFF button 10 3 2 Self Diagnosis During Maintenance or Service Since each unit has a function that
71. P35VGAA UK PU P35YGAA UK Air intake Air outlet cios LU 1 v w w TD Lun i SS M D us ee eee ee eee ee ee eee Air intake 2 gt Air outlet ee Ne v a w o 9 A i SS I I I I SESE U a _ _ s 6C YKMKWK I I WQKAANYM I IZK W QIZW MAU Y I i III Air intake PUH P125YGAA UK PUH P140YGAA UK PU P125YGAA UK PU P140YGAA UK PUH P100VGAA UK PUH P100YGAA UK PU P100VGAA UK PU P100YGAA UK PRE CHARGED REFRIGERANT IS SUPPLIED FOR PIPING LENGTH AT SHIPMENT CHARGELESS SYSTEM 5x x t 6 LO n lt a _ Oo A cN ds gt gt A gt gt A The refrigerant circuit with LEV Linear Expansion Valve and a large accumulator always control the optimal refrigerant level regardless of the length 20 30m max and 5m min of piping The additional refrigerant charging work during installation often causes problems Heretofore it is complete
72. UH P140YGAA UK PU P35YGAA UK PU P50YGAA UK _ PU P60YGAA UK _ PU P71YGAA UK PU P100YGAA UK _ PU P125YGAA UK PU P140YGAA UK SYMBOL NAME SYMBOL NAME MC COMPRESSOR O B OUTDOOR CONTROLLER BOARD MF FAN MOTOR INNER THERMOSTAT FUSE1 FUSE 6 3A THERMISTOR LIQUID TEMP DISCHARGE TEMP FUSES FUSE 6 3A COND EVA TEMP FUSE4 FUSE 6 3A MF CAPACITOR RELAY 1 2154 RELAY RELAY 1 CONTROLLER 4 WAY VALVE SOLENOID COIL GROUP ADDRESS BYPASS VALVE SOLENOID COIL TEST RUN HIGH PRESSURE PROTECT SWITCH 1 SELECTION THERMAL RELAY MODEL SELECTION TERMINAL BLOCK TRANSFORMER LINEAR EXPANSION VALVE 5 TERMINAL BLOCK OPERATION CHECK DISPLAY LED LOW PRESSURE PROTECT SWITCH OPERATION CHECK DISPLAY LED CN31 EMERGENCY OPERATION CONNECTER lt U ITI 2 LED1 GRN LED2 RED TH4 AW cNMeeeeeeceeeececo Q SW swi WHT Pr 18414 TIT T s WHT 599555 TH3TH6 TH3 12131 BLU AW OO 019 1 CN31 I 9 Y O B LI R R 112113 W N 1 PUH P125 140YGAA MODEL ONLY OOOO 2 _ PU H P100 125 140YGAA MODEL ONLY 511 21
73. VALVE REVERSING 19 70 Eos 425 CAPILLARY TUBE 40xjs0x200mm 1 1 201570 425 1 1_ S70 sas CAPILLARY TUBE 570 E04 425 CAPILLARYTUBE _ ___ 1 221570 426 BYPASSVALVE 1 231570 351 242 BVPASSVALVESOLEIODOOL 1 241670 M20 209 PRESSURE 1 1 1_ 21 25 570 am ACCUMUATOR 281570 00 malonar Jajah 1 27570 33H 315 1111 os 281570 520 ose FUSE esa 4 4 29 70 177 255 2 2 2 27 30 70 Eo4 716 BLOCK 38518268 1 1_ 311570 E10 716 BLOCK 2138 1 1 1 1 32 70 708 CONTACTOR 1 1 1 33 570 2 08 s 5 soL 450 8 10101 55 570 4sDSTRANERASSY 1 1 1 1_ 9 Mir SUMAN MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE MITSUBISHI DENKI BLDG 2 2 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN Copyright 2005 MITSUBISHI ELECTRIC ENGINEERING LTD New publication effective Aug 2005 Distributed Aug 2005 6 PDF 8 Specifications subject to change without notice Made in Japan
74. a mas sage was received Transmitting side detects abnormality every 30 seconds six times continuously at remote controller is indicate the controller that did not reply ACK 2 If displayed address or attribute is out door unit Indoor unit detects abnormality when indoor unit transmitted to outdoor unit and there was no reply ACK If displayed address or attribute is indoor unit Remote controller detects abnormality when remote controller transmitted to indoor unit and there was no reply ACK If displayed address or attribute is remote controller Indoor unit detects abnormality when indoor unit transmitted to remote con troller and there was no reply Case Common factor that has no rela tion with abnormality source D The unit of former address does not exist as address switch has changed while the unit was energized 2 Extinction of transmission wire voltage and signal is caused by over range transmission wire Maximum distance 200m e Remote controller line 12 3 Extinction of transmission wire voltage and signal is caused by type unmatched transmis sion wire With shield wire CVVS CPEVS With normal wire no shield VCTF VCTFK CVV CVS VVR VVF Diameter 125mm or more 4 Extinction of transmission wire voltage and signal is caused by over numbered units Accidental malfunction of abnormality detected controller noise thunder surge
75. ace outdoor controller board 4 Defective outdoor controller board 51CM connector open Disconnection or contact Check connecting wire Abnormal if 51CM connector circuit is open failure of 51CM connector Check connecting wire for three minutes continuously after power on outdoor controller board Check continuity by tester FA on Disconnection or contact Replace the parts if the parts are defective 4108 51 Thermal Relay failure of 51CM Replace outdoor controller board Defective 51CM defective parts Defective outdoor controller 37 2 Code Meaning of code detection method Judgment and action Indoor outdoor unit connector mis Contact failure or mis wiring of Check disconnection or looseness or polarity wiring excessive number of units 5 indoor outdoor unit connecting of indoor outdoor unit connecting wire of units or more wire indoor and outdoor units 1 Outdoor controller board can automati Diameter or length of cally check the number of connected indoor outdoor unit connecting Check diameter and length of indoor outdoor indoor units Abnormal if the number of wire is out of specified capacity unit connecting wire connected indoor units can not be set Five or more indoor units are Outdoor indoor units interval 50m maximum within four minutes after power on connected to one outdoor unit Indoor indoor units interval 30m maximum because of mis wir
76. al setting value The temperature range can be changed on cooling dry mode The temperature range can be changed on heating mode The temperature range can be changed on automatic mode The remote controller will be the main controller Initial setting value The remote controller will be the sub controller The clock function can be used Initial setting value The clock function can not be used Weekly timer can be used Initial setting value Auto off timer can be used Simple timer can be used Timer mode can not be used The set contact numbers are not displayed in case of error Initial setting value The set contact numbers are displayed in case of error The temperature unit C is used Initial setting value The temperature unit F is used Room air temperature is displayed Initial setting value Room air temperature is not displayed One of Automatic cooling and Automatic heating is displayed under the automatic mode is running Initial setting value Only Automatic is displayed under the automatic mode 12 DISASSEMBLY PROCEDURE PUH P125YGAA UK PUH P140YGAA UK OPERATING PROCEDURE PHOTOS 1 Removing the Service panel and Top panel Photo 1 panel screws 1 Remove the 3 service panel fixing screws 5 X 15 and 31 A Top panel slide the hook to remove the service panel 2 Remove the screws 3 for front 2 rear 5 15 of the top panel and remove it lt Whe
77. and check that it is 1 0M or over Don t use 500V Merger to indoor outdoor connecting wire terminal block S1 52 S3 and remote controller terminal block 1 2 This may cause malfunction Make sure that test run switch SW4 is set to OFF before turning on power supply e Turn on power supply twelve hours before test run in order to protect compressor For specific models which requires higher ceiling settings or auto recovery feature from power failure make proper changes of settings referring to the description of Selection of Functions through Remote Controller Make sure to read operation manual before test run Especially items to secure safety 30 Operating procedures While the room temperature display on the remote controller is PLEASE WAIT the remote controller is disabled operation mode are displayed altemately Wait until PLEASE WAIT disappears before using remote controller Displays the remaining test run time 1 Turn on the main power supply PLEASE WAIT appears for about 2 minutes after power supply is turned on 1 2 Press 4 TEST button twice The TEST RUN appears on the screen OPERATION SWITCH Cooling mode Check if cool air blows and water is drained ELECTING oy OP ERATON Heating mode Check if warm air blows It takes a little RUM pg button while until warm air blows E 4 PressO AIR DIRECTION
78. and operation lamp will flash After approximately 30 seconds the state in effect before the diagnosis will be restored 34 10 3 4 Malfunction diagnosis method wireless remote controller lt In case of trouble during operation gt When a malfunction occurs to air conditioner both indoor unit and outdoor unit will stop and operation lamp blinks to inform unusual stop lt Malfunction diagnosis method at maintenance service gt Procedure 1 Press the CHECK button twice CHECK lights and refrigerant address 00 flashes display Check that the remote controller s display has stopped before continuing CHECK display 2 Press the temperature 9 3 Select the refrigerant address of the buttons indoor unit for the self diagnosis Note Set refrigerant address using the outdoor unit s DIP switch SW1 For more information see the outdoor unit installation manual ON OFF button FAN AUTOSTOP AUTOSTART Point the remote controller at the If an air conditioner error occurs the 1 sensor on the indoor unit and indoor unit s sensor emits an intermit press the HOUR button tent buzzer sound the operation light 5 flashes and the error code is output RESET CLOCK It takes 3 seconds at most for error code to appear CHECK button 4 Point the remote controller at the The check mode is cancelled sensor on t
79. control 4 Ground only one of any appliances through M NET transmission wire shield wire Communication error may occur due to the influence of electromagnetic noise Ed error will appear on the LED display of outdoor unit 0403 error will appear on the central control remote controller Bad example Multi spot grounding of shield wire Central Power type type 2001 outdoor unit outdoor unit M NET transmission wire OGood example 1 Single spot grounding of shield wire Central Power M NET type typ 2 5 th M NET transmission wire OGood example 2 Single spot grounding of shield wire Central Power M NET type type typ M NET transmission wire If there are more than two grounding spots on the shield wire noise may enter into the shield wire because the ground wire and shield wire form one circuit and the electric potential difference occurs due to the impedance difference among ground ing spots In case of single spot grounding noise does not enter into the shield wire because the ground wire and shield wire do not form one circuit To avoid communication errors caused by noise make sure to observe the single spot grounding method described in the installation manual 26 M NET wiring 1 Use 2 core x 1 25mm shield wire for electric wires Excluding the case
80. controller board or outdoor controller board if abnormality is displayed again Put the power off and on again to check Replace outdoor controller board if abnormality is displayed again Meaning of error code and detection method Judgment and action Noise has entered transmis sion wire of remote controller 2 Noise has entered indoor outdoor unit connecting wire Not defined error code This code is displayed when not defined error code is received Serial communication error Abnormal if communication between outdoor controller circuit board and M NET board is not available lt M NET communication error gt Meaning of error code and detection method AO 6600 6602 A3 6603 AG 6606 Address duplicate definition This error is displayed when transmission from the units of same address is detect ed Note The address and attribute displayed at remote controller indicate the con troller that detected abnormality Hard ware error of transmission Pline Transmission processor intended to trans mit 0 but 1 appeared on transmission wire Note The address and attribute display at remote controller indicate the con troller that detected abnormality BUS BUSY 1 Over error by collision damage Abnormal if transmitting is not possible for 8 10 minutes continuously because of collision of transmission Data could not reach transmission wire for 8 10 minutes continuousl
81. ction or contact failure If F5 is displayed follow the F5 processing power on of 63H direction UE 63H high pressure switch 9 Defective outdoor controller board Check indoor filter 1302 ure of 63L Refer to 10 6 2 Defective outdoor controller board 5 Leakage or defective of refrig erant 6 Defective action of linear expansion valve 40 Note 1 2 and E4 to 7 refer to indoor unit service manual Meaning of error code and detection method Judgment and action UF 4100 UH 5300 display display 9 6841 Compressor over current start up D Abnormal compressor locked breaking Clogged indoor filter Abnormal if compressor current exceeds Open phase compressor 1 2 times of overload set value Current sensor error Disconnection or contact fail Abnormal if compressor current is not ure of connector 52C on out detected on first compressor start up after door controller board power supply is put on 2 Disconnection or contact fail ure of coil 52C 9 Defective outdoor controller board 2 Defective parts of 52C Compressor V phased wire does not penetrate through current detector Remote controller communication error Defective communication cir Signal receiving error cuit of remote controller 1 Abnormal if any signal from IC of refrig Defective communication cir erant address 0 could not normally cuit of indoor controller b
82. ctive action of liner expan sion valve Refrigerant overcharge D Shortage of refrigerant Abnormal pressure degrada tion by pomp down operation 3 V phased open phase of com pressor Abnormal compressor Not abnormal if V is instantly displayed when the main power 1 put off Abnormal low current or open phase e An extreme degradation of current value causes abnormal stop Abnormal if current detected phase V phase is open phase after first compres sor start up after supplying the power by three phase power supply model When compressor is operating compres sor is suspended under the following condition and when current detector CT detects a current which is lower than the detected current specified in the table below under the following condi tion Condition For PUH P25V and PU PUH P35 P100V Current detector CT has detected a current which is lower than the detected current specified in the table below for 0 7 0 8 second 2 For PU PUH P35 P140Y Current detector CT has detected a current which is lower than the detected current specified in the table below for 0 4 0 5 second A Model Detected current Model Detected current 10 24 13 10 10 16 10 10 15 18 Py 17 60 Abnormal high discharging temperature Over heated compressor oper Abnormal if discharging temperature the
83. d 2 JV 5 oez pue ypy 14044 5 eq ueo pue SNOILOSYIG mm A 22042221 o o 5 lt 1U6led gt AIleool peseuound 15 pue slloq 0 LIN eseeld 51108 0921 Alleoo1 peulelqO ss x 6 Smads 6ulddel esf 19419601 eui eui peunoes JSNW y Seseo 10 p piA01d 95941 jo y Buunoes 10 s ou 9 uoneoo uonoeuuoo FATWA 4018 10 48 2 29 67 3tuv14 uonoeuuoo edid 49 6 90614 3uv13 uonboeuuoo edid Sv5 JO ooeds UuUolellelsul ay u sjlejap 91580 5 eu y UMOUS 559999 994185 10 eoeds jo 304
84. during emergency operation Compressor Always ON Four way valve Changeable with SW 4 2 LEV Full opening 54 2 10 9 FUNCTION OF SWITCHS CONNECTORS AND JUMPERS Outdoor switch for a new freon function table Acti h itch Compulsory defrosting 1 Normal Heat compressor operating Abnormal history clear Normal off or operating mum 0 1 2 3 ON ON ON ON Refrigerant address setting um m When 4 5 6 7 123456 123456 123456 123456 8 9 10 11 123456 123456 123456 123456 12 13 14 15 100 fix Normal off or operating Fix Normal off or operating No function No function No function function function function 1 Compulsory defrosting should be done as follows Change the DIP SW1 1 in the outdoor controller board OFF ON compulsory defrosting start According to the operation Heat mode setting Compressor operating defrosting starts when the piping temperature is 8 C and below When the stated condition is satisfied the defrosting operation will be completed 2 Ignore the change of LEV opening which is subject to change of subcooling and fix DIP SW 5 2 in the on position Then LEV opening is fixed When air conditioner is overloaded for some reasons ignore the change of subcooling and adjust the LEV opening in accordance with overload condition 55 Jumper connector function table Switch
85. e correctly e Measure the impedance between power terminals Single phase L N triple phase L1 L2 L3 and the ground with a 500V Merger and check that it is 1 or more Do not operate the equipment if measurement is less than 1 0 Never conduct this operation on the out door connection wiring terminals 51 52 53 as this causes damage When there is no error at the outdoor unit i If there is an error at the outdoor unit it can be evaluated at LED 1 digital display of the outdoor substrate SW4 Factory setting The stop valves are open both the liquid gas sides After checking the above execute the test run in accordance with the following ON Stop Cooling 2 Test run start and finish Operation Operation from the indoor unit 1 2 Heating Execute the test run using the installation manual for the indoor unit Operation from the outdoor unit Execute settings for test run start finish and operation mode cooling heating using the DIP switch SW 4 on the outdoor substrate D Set the operation mode cooling heating using SW4 2 2 Turn ON SW 4 1 The operation mode for SW 4 2 will be adhered to and the test run will commence 3 Turn OFF SW 4 1 to finish the test run There may be faint knocking noise emitted from the proximity of the fan during the test run This is torque fluctuation occurring due to control of fan revolutions There is no problem with the product
86. e temperature range can be changed on automatic mode 4 OFF initial setting The temperature range limit is not active When the setting other than OFF is made the temperature range limit setting on cooling heating and automatic mode is made at the same time However the range cannot be limited when the set temperature range has not changed To increase or decrease the temperature press the TEMP V or button To switch the upper limit setting and the lower limit setting press the 4 button The selected setting will flash and the temperature can be set Settable range Cooling Dry mode Lower limit 19 30 C Upper limit 30 C 19 C Lower limit 17 28 C Upper limit 28 C 17 C Lower limit 19 28 C Upper limit 28 C 19 C Heating mode Automatic mode 69 4 3 Mode selection setting 1 Remote controller main sub setting To switch the setting press the COON OFF button Main The controller will be the main controller Sub The controller will be the sub controller 2 Use of clock setting e To switch the setting press the ON OFF button The clock function can be used OFF The clock function cannot be used 3 Timer function setting To switch the setting press the CO ON OFF button Choose one of the followings D WEEKLY TIMER initial setting on MA deluxe The weekly timer can be used AUTO OFF TIMER The auto off timer can b
87. e used 3 SIMPLE TIMER Default setting on MA smooth The simple timer can be used 4 TIMER MODE OFF The timer mode cannot be used When the use of clock setting is OFF the WEEKLY TIMER cannot be used 4 Contact number setting for error situation To switch the setting press the button D CALL OFF The set contact numbers are not displayed in case of error CALL The set contact numbers are displayed in case of error contact number can be set when the display is as shown on the left Setting the contact numbers To set the contact numbers follow the following procedures Move the flashing cursor to set numbers Press the H TEMP V and A button to move the cursor to the right left Press the CLOCK V and A button to set the numbers 4 4 Display change setting 1 Temperature display C F setting e To switch the setting press the ON OFF button The temperature unit is used F The temperature unit F is used 2 Suction air temperature display setting To switch the setting press the CO ON OFF button D ON The suction air temperature is displayed OFF The suction air temperature is not displayed 3 Automatic cooling heating display setting To switch the setting press the ON OFF button ON One of Automatic cooling and Automatic heating is displayed under the automatic mode is running
88. eck the following table to see whether there is a simple solution to your problem The room neither gets cool nor warm very much The unit stops operating before arriving at the set temperature in the heating mode The airflow direction suddenly changes Air direction doesn t move change Up down vane left right louver When changing the airflow direc tion the vanes make at least a complete rotation before stopping in place There is swishing noise that occurs from the unit when water flows Unit occasionally makes a gurgling sound Unit occasionally thuds Outdoor unit occasionally rattles Solution Problem Clean the filter Dust and rebris that collects in the filter will decrease air flow A ticking noise is heard from inside of the unit Solution This sound is made when internal parts of the unit expand or contract when the temperature changes Check the temperature setting and An odour is detected in the room This is caused when the unit adjust it if necessary expels odours that have been the outdoor unit Is the air intake or air outlet blocked indoor unit The unit does not blow air out right away in the heating mode warm air Water or moisture is expelled from the outdoor unit Frost forms when the outdoor tem perature is low and humidity is high Wait for about 10 minutes for the frost to melt After one hour of cooling mode operation with the airflow in a d
89. een outdoor con failure of connector between of connecting wire between outdoor con troller board and M NET p c board is not outdoor controller board and troller board CN1 and M NET p c board available M NET p c board CN5 Contact failure of M NET p c Check departure or looseness of M NET p c Ed board power supply line board power supply line CND TB1 0403 9 Entrance of noise into trans 9 Replace M NET p c board mission wire 4 Replace outdoor controller board 9 Defective transmitting receiv ing circuit of M NET p c board 5 Defective serial transmitting receiving circuit of outdoor controller board 38 Meaning of error code and detection method Case Abnormal high pressure High pressure Short cycle of indoor unit U1 1302 switch 63H worked Clogged filter of indoor unit Abnormal if high pressure switch 63H 9 Decreased airflow caused by U2 1102 worked more than 3 24 MPa during com dirt of indoor fan pressor operation Dirt of indoor heat exchanger 63H High pressure switch Locked indoor fan motor Use current sensor to detect work Malfunction of indoor fan return of 63H motor Defective operation of stop valve Not full open Clogged or broken pipe Locked outdoor fan motor Malfunction of outdoor fan motor Short cycle of outdoor unit 2 Dirt of outdoor heat exchanger 09 Disconnection or contact failure of 63H connection Defective outdoor controller board 5 Defe
90. eiving the pulse signal from the controller board Valve position can be changed in proportion to the number of pulse signal lt Connection between the controller board and the linear expansion valve gt Controller board DC12V Linear expansion valve Brown 6 1 2 Yellow White 0 o lt 1 White i Connector CNLEV 51 2 lt Output pulse signal and the valve operation gt 1 2 3 4 Closing a 1 2 3 4 1 Opening a 4 gt 3 gt 2 gt 1 gt 4 1 ON OFF OFF output pulse shifts in above order OFF OFF 1 When linear expansion valve operation stops all output phase become OFF 3 OFF ON ON OFF 2 At phase interruption or when phase does not shift in order 44 OFF OFF ON ON motor does not rotate smoothly and motor will locks and vibrates 2 Linear expansion valve operation When the switch is turned on 2200 pulse closing valve signal will be send till it goes to point in order to define the valve posi Orv P tion When the valve move smoothly there is no noise or vibration occurring from the linear expansion valve however when the pulse number moves from 6 to 9 or when the valve is locked more noise can be heard than normal situation Valve position capacity Close Noise can be detected by placing the ear against the screw dri ver handle while putting the screw driver t
91. eless remote controller referring to setting the indoor unit number Initial setting Factory setting Not available Mode Setting 4 Way Ceiling Wall Floor 1 Way F PKA GAL PLA AA PCA GA PKH GALH PSA GA PEHD EAH PCA HA PMH BA PLH AAH PKA FAL PSH GAH 2 3 4 N 100Hr 2500Hr 07 No filter sign indicator Quiet Standard Fan speed Standard High ceiling PLA PLH High ceiling High ceiling gt gt D O No of air outlets 4 directions 3 directions 2 directions Optional high efficiency Not supported 10 i Supported No vanes Vane No 3 setting PLA PLH only Vane No 1 setting S E 5 5 Vane No 2 setting Energy saving air Disabled flow Heating mode Enabled END DM P Supported Vane differential setting No 1 setting TH5 24 28 in heating mode No 2 setting Standard 5 28 32 14 cold wind prevention No 3 setting TH5 32 38 Swing Pf 2 mode 4 deg up Not available Fan speed when the Extra low heating thermostat is OFF Stop 25 Set fan speed Disabled Standard of PLA AA Fan speed Enabled Quiet operation mode Fan speed when the Set fan speed cooling thermostat is OFF Stop Detection of abnormality of 1
92. en sent from the factory 1 Power failure automatic recover automatic recovery Indoor temperature Operating indoor units detecting The average is considered as indoor temperature 0 Indoor unit with remote controller Remote controller s internal sensor The setting is applied to all the units in the same refrigerant LOSSNAY Not supported system connectivity Supported indoor unit not equipped with outdoor air intake Supported indoor unit equipped with outdoor air intake Power supply 240V voltage 220V 230V Frost prevention 2C Normal ES temperature 3C Humidifier control When the compressor operates the humidifier also operates When the fan operates the humidifier also operates Change of Standard defrosting control For high humidit Thermo differential Normal setting je 19 10C 3 2 Functions available when setting the unit number to 01 03 or AL 07 in case of wireless remote controller When setting functions for an indoor unit in an independent system set the unit number to 01 referring to setting the indoor unit number When setting functions for a simultaneous Twin Triple indoor unit system set the unit number to 01 to 03 for each indoor unit in case of selecting different functions for each unit referring to setting the indoor unit number e When setting the same functions for an entire simultaneous Twin Triple indoor unit system set refrigerant address to AL 07 in case of wir
93. ently selected setting number will number flash so check the currently set content Fic Tic LI LI LILI SELECTION LI LI 14414 LIL Setting number display section Setting number1 Indoor unit operating average Lam number 3 Remote controller built in sensor Register the settings you have made in steps 9 to 2 The mode number and setting number will stop flashing and remain lit indicating the Press the MODE button The mode number and setting number will start 10 of registration to flash and registration starts paneton 00008 8000 SELECTION LILI LI Li 33 gt m LIL If displayed for both the mode number and setting number 58 flashes the room temperature display area a transmission error may have occurred Check to see if there are any sources of noise or interference near the transmission path 9 If you wish to continue to select other functions repeat steps 9 to Complete function selection 9 Hold down the FILTER and TEST buttons simultaneously for atleast not operate the remote controller for at least 30 seconds after completing iwo ceconds d function selection No operations will be accepted even if they are made After a while the function selection screen will disappear and the air condi tioner OFF screen will reappear Note If a
94. er can not wire is out of specified capacity be set within four minutes after power Defective transmitting receiving Gudes heme ha cona aue deor because of mis wiring converse wiring or circuit of outdoor controller board nect CN2S on indoor power supply board fo disconnection of indoor outdoor unit con Defective transmitting receiving measure the voltage When 25 does not Eb necting wire circuit of indoor controller board hen O pr 1 2V to DC16V replace 6845 Noise has PANS the indoor power supply board supply or indoor outdoor unit 0 4 4 is wired up The descriptions above are for EA Eb among indoor units twin triple aa or quadro units Two or more outdoor units has refrigerant address 0 In case of group control Outdoor power supply board is defective Start up time over D Contact failure of indoor out The unit can not finish start up process door unit connecting wire within four minutes after power on Diameter or length of indoor outdoor unit connecting wire is out of specified capacity Noise has entered into power EC supply or indoor outdoor unit 6846 connecting wire Remote controller is wired up among indoor units twin triple or quadro units Two or more outdoor units has refrigerant address 0 In case of group control Serial communication error Breaking of wire or contact D Check disconnection looseness or breaking The communication betw
95. erature thermistor TH3 lower temperature Condenser evaporator temperature 5 thermistor TH6 40 TL Thermistor Ro 15kQ 3 Fixed number of 3480 2 9 30 Rt 1 3480 21 HHH HAHH HHHH HHHH n 2731 273 E Hp E 10C 9 6 EEE AES EEE 20C 6 3 250 5280 30C 43 40C IRSE 20 10 0 10 20 30 40 50 Temperature Discharge temperature thermistor TH4 lt Thermistor for higher temperature gt Thermistor for 9 T higher temperature Thermistor 120 7 465 2 Fixed number of B 4057 2 1 1 Ht 7 465exp 4057 273 393 11111111111 111111111 11111111111111111 11111 ee 20C 250 0 30C 160 40C 104 0 50 C 70 Me PET TTT 11111111 200 Resistance 60 48 70C 34kQ HHEH 80C 24 9 0 1 7 5 0 N T L T T T T T EN EN T T EN San 100 C 13 0kQ 25 50 75 100 120 Temperature 110 C 9 8kQ Linear expansion valve Operation summary of the linear expansion valve Linear expansion valve open close through stepping motor after rec
96. function of an indoor unit is changed by function selection after installation is complete make sure that a mark etc is given in the Check column of Table 1 to indicate the change 11 1 2 Selecting functions using the wireless remote controller Functions can be selected with the wireless remote controller Function selection using wireless remote controller is available only for refriger ant system with wireless function Refrigerant address cannot be specified by the wireless remote controller Flow of function selection procedure The flow of the function selection procedure is shown below This example shows how to turn off the function that raises the set temperature by 4 degrees during HEAT operation procedure is given after the flow chart CHECK E Check the function selection setting Switch to function selection mode Enter address 50 in troubleshooting Troubleshooting mode is the mode entered when you press the INSPECT button twice to display mode then press the HOUR button INSPECT ON OFF A 9 Specify unit No 01 since the function applies to unit 01 5 Set address 01 while still in troubleshooting mode then press the MINUTE button YES Note You can t specify the refrigerant address E FAN AUTO STOP unit No 0 Select mode No 24 function that raises set temperature by 4 degrees du
97. g PUH P125YGAA UK PUH P140YGAA UK Low pressure protect High pressure protect switch switch Ball valve 4 way Thermistor 850 TH6 Refrigerant GAS pipe 19 05 93 4 Distributor with strainer Capillary tube O D 4 0X1 D 3 0 L200 X2pcs Capillary tube 1 Thermistor Refrigerant LIQUID pipe 9 52 93 87 Strainer 202 Strainer Strainer 50 100 100 x1 O D 4 0XI D 2 0 L400 PUH P125 Liner expansion valve O D 4 0XI D 3 0 L450 PUH P1 40 Stop valve with service port Refrigerant flow in cooling Refrigerant flow heating 28 PU P35VGAA UK PU P50VGAA UK PU P60VGAA UK PU P35YGAA UK PU P50YGAA UK PU P60YGAA UK PU P71VGAA UK PU P71YGAA UK High pressure Ball valve protect switch 50 Strainer Refrigerant GAS pipe 15 88mm d5 8 Service port lt Accumulator Outdoor heat exchanger Thermistor TH6 Thermistor TH3 Distributor with strainer Refrigerant LIQUID pipe 9 52 9 3 8 S Ao lop valve Linear expansion valve with service port Refrigerant flow in cooling PU P100VGAA UK PU P100YGAA UK High pressure Ball valve protect switch Thermistor 450 TH6 Refrigerant GAS pipe 19 05mm d3 4 Service gt Service port port T Thermistor 4 Thermistorg Accumulator TH3 Refrigerant LIQUID pipe
98. hat cannot be recognized by the unit is entered the setting will turn back to the original setting If the signal was not received by the sensor you will not hear beep or a double beep may be heard Reenter the setting number Repeat steps and to make an additional setting without changing unit number Repeat steps to to change unit number and make function settings on it Complete the function settings Press button Do not use the wireless remote controller for 30 seconds after completing the function setting 68 11 2 SELECTION CONTROLLER setting of the following remote controller functions can be changed using the remote controller function selection mode Change the setting when needed Item 1 2 Function limit 3 Setting content 1 Change Language Language setting to display Display in multiple languages is possible CHANGE LANGUAGE 1 FUNCTION SELECTION 2 Use of automatic mode setting SELECT AUTO MODE 3 Temperature range limit setting LIMIT TEMP FUNCTION 1 3 Mode selection Setting the temperature adjustable range maximum minimum 1 Operation function limit setting operation lock LOCKING FUNCTION Setting the range of operation limit operation lock Setting the use or non use of automatic operation mode 1 Remote controller main sub setting CONTROLLER MAIN SUB Selecting main or
99. he 15 the timer tion ends the unit switches to the start stop button was not pushed Press the start stop button to HEAT SETUP operation restart the unit Was a distant command sent from An error code is displayed in the self diagnostic function is being the remote controller remote controller performed to preserve the air con Find out if the remote controller ditioner was used Do not attempt to make repairs Is the CENTRALLY CON yourself Turn the main switch off TROLLED indicator displayed and contact the dealer from Find out if the remote controller whom you bought the air condi was used tioner Provide him or her with The remote controller s timer can the name of the unit and the information displayed the PLEASE WAIT is displayed in An automatic startup test is being remote controller the remote controller performed will last for about two minutes No display appears on the wire The batteries are becoming weak less remote controller Signals are Replace the batteries and press FILTER is displayed Indicates that it is time to clean the not received by the thin sensor reset button air filter Clean the air filter Press unless sent from close up the display does not appear the FILTER button on the remote after replacing the batteries controller twice to make the dis make sure that the cells are play disappear aligned correctly the instruction
100. he indoor unit and press the ON OFF button 35 Refer to the following tables for details on the check codes Output pattern Beeper sounds Beep Beep Beep Beep Beep Beep Beep OPERATION 14 2nd 22 4s Repeated INDICATOR RE lamp flash Off on On pattern Self check Approx 2 5 sec 0 5 sec 0 5 sec 0 5 sec 0 5 Approx 2 5 0 5 sec 0 5 sec starts Start signal received Number of flashes beeps in pattern indicates the check Number of flashes beeps in pattern indicates code in the following table i e n 5 for P5 the check code in the following table Output pattern B Beeper sounds Beep Beep Beep Beep Beep Beep Beep OPERATION Tad Jes m Repeated INDICATOR lt gt lamp flash Off On On On On Off pattern Self che check Approx 2 5 sec T 3 sec 0 5 sec 0 5 sec 0 5 sec 0 5sec Approx 2 5 sec Approx 3 sec 0 5 sec 0 5 sec starts 0 1 2 Number of flashes beeps in pattern indicates the check Number of flashes beeps in pattern indicates code in the following table i e n 5 for U2 the check code in the following table Output pattern A Errors detected by indoor unit Beeper sounds OPERATION Sunim Remak INDICATOR lamp flashes Check code iz Number of times pod 00000 L3 BR de eme OOOO 8 JEE j hdooroutdoorunitcommun
101. he power on again Check transmission waveform or noise on transmission wire If the works of transmission wire is done with the power on shut off the power supply of outdoor unit and indoor unit and FRESH MASTER or LOSSNAY at the same time for two minutes or more and put the power on again 2 Check transmission waveform or noise transmission wire Check if transmission wire of indoor unit FRESH MASTER LOSSNAY or remote controller is not connected to terminal block for central control TB7 of outdoor unit 2 Check if transmission wore of indoor unit FRESH MASTER LOSSNAY is not connected to terminal block for transmission wire of outdoor unit 3 Check if terminal block for transmission wire and terminal block for central control TB7 is not connected Check transmission waveform or noise on transmission wire Shut of the power supply of outdoor unit and indoor unit and FRESH MASTER or LOSSNAY at the same time for two minutes or more and put the power on again System returns nor mally if abnormality was accidental malfunction If the same abnormality generates again abnormality generated controller may be defec tive Code Meaning of detection method A7 6607 NO ACK 1 Note The address and attribute displayed Transmitting side controller detects abnormal if a massage was transmitted but there is no reply ACK that
102. icationeror 4 P4 pnsensremo C O Drain pump error 6 P6 Freeing Overheating safeguard operation indoor unit s 6211 8 8 Pipetemperatureeror 9 4 Remotecontrolersignalreceivingeror ee __ Remote controller control board pattern Errors detected by unit other than indoor unit outdoor unit etc Beeper Bunt 5 k INDICATOR lamp flashes Check code Number of times Indoor outdoor unit communication error Transmitting error Outdoor unit L 3 up Compressor overcurrent interuption i 03 04 Open short of outdoor unit thermistors Compressor overcurrent interruption When compressor locked For details check the LED display Abnormal high discharging temperature 49C worked of the outdoor insufficient refrigerant controller board U1 Ud Abnormal high pressure 63H worked Overheating safeguard operation x 8 us jOutooruntfansafeguadstp OZ O 9 4dU6 Compressor overcurrent interruption Abnormal of power module U9 UH Abnormality such as overvoltage or voltage shortage and abnormal S mme sensar signal to main circuit Current sensor error 1 the beeper does not sound again after the initial two beeps to confirm the self check start signal was received and the OPERATION INDICATOR lamp does not come
103. inder R407C cylinder are available on the market has syphon pipe Leave the syphon pipe cylinder standing and recharge it By liquid refrigerant Gravimeter 2 Recharge in refrigerant leakage case After recovering the all refrigerant in the unit proceed to working Do not release the refrigerant in the air After completing the repair service recharge the cycle with the specified amount of liquid refrigerant 4 3 Service tools Use the below service tools as exclusive tools for R407C refrigerant Specifications Gauge manifold Only for R407C Use the existing fitting SPECIFICATIONS UNF7 16 Use high tension side pressure of 3 43 or over Charge hose Only for R407C Use pressure performance of 5 10MPa G or over Electronic scale r 0 Gas leak detector Use the detector for R134a or R407C Adapter for reverse flow check Attach on vacuum pump Refrigerant cylinder For R407C of cylinder Brown Cylinder with syphon Refrigerant recovery equipment PART 5 5 Expels warm air during cooling Air outlet Air intake PUH P50YGAA UK PUH P60YGAA UK PUH P71YGAA UK PU P50YGAA UK PU P60YGAA UK PU P71YGAA UK PUH P50VGAA UK PUH P60VGAA UK PUH P71VGAA UK PU P50VGAA UK PU P60VGAA UK PU P71VGAA UK PUH P25VGAA UK PUH P35VGAA UK PUH P35YGAA UK PU
104. ing then braze it Pressure switch lt Low gt 11 Removing the linear expansion valve Photo 8 Bypass valve 1 Remove the service panel See Photo 1 solenoid coil 2 Remove the top panel See Photo 1 r4 3 Remove the electrical box See Photo 3 4 Recover gas from the refrigerant circuit 5 Remove the linear expansion valve coil See Photo 8 6 Remove the braze pipes of the linear expansion valve Note 1 When installing the linear expansion valve remove its coil and cover the valve with a wet cloth so as to 1 expansion prevent it from heating then braze the pipes k EI Note 2 detaching the rear panel the brazed parts will easily become separated Note 3 s Linear Before using a burner reclaim gas from the pipes until the 200 EN o pressure gauge shows 0 kg cm 0 MPa BN Use the burner under the condition that gas can be recovered even when the inner pressure rises by heat Accumulator 73 PROCEDURE 5 12 Removing the mouth 1 Remove the 6 fan guard fixing screws 5 X 15 to remove it See Photo 1 2 Remove the top panel 3 Remove a bell mouth fixing screw 5 X 15 to remove it 13 Removing the compressor 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the electric parts box See Photo 3 4 Remove
105. ing of indoor outdoor Defective transmitting receiv Also check if the connection order of flat Abnormal if outdoor controller board board 6844 unit connecting wire and the like ing circuit of outdoor controller cable VVF etc is S1 S2 S3 ognizes the number of connected indoor Defective transmitting receiv Check the number of indoor units that are units as 5 units or more ing circuit of indoor controller connected to one outdoor unit If EA is board detected amp Noise has entered into power supply or indoor outdoor unit 45 Put the power off and on again to check connecting wire Replace outdoor controller board or indoor Remote controller is wired up controller board if abnormality is displayed among indoor units twin triple again or quadro units Check the indoor outdoor unit connecting Two or more outdoor units has wire refrigerant address 0 In case of group control amp Inspect transmission line to solve the problem Mis wiring of indoor outdoor unit con Contact failure or mis wiring of controllers onasi hemil necting wire converse wiring or dis indoor outdoor unit connecting tiple indoor units connection wire Outdoor controller board can automatically Diameter or length of Set the refrigerant address of outdoor units set the unit number of indoor units indoor outdoor unit connecting with different number starting from 0 Abnormal if the indoor unit numb
106. lume control that the outdoor unit performs to maintain the optimum operation Status 47 The indicators of the remote con troller do not light up when oper CENTRALLY CONTROLLED indi Fan speed doesn t match set fan Sometimes no air comes out dur Fan speed doesn t match set fan Sometimes no air comes out dur absorbed from the walls carpets furniture or clothing This may occur just after the unit is turned on when a high level of humidity is present in the room This occurs to expel water or mois ture that may have collected in the pipes or around piping fixtures This occurs to dispel water from the heat exchanger Turn on the power switch will be displayed The start and stop function of the remote controller are not available when the CENTRALLY CON TROLLED indicator is displayed Wait about three minutes opera tion has stopped to prevent dam age to the air conditioner Not an error During the DRY operation blower ON OFF is controlled by a micro processor to prevent overcooling and to ensure efficient dehumidifi cation The fan speed can t be set by the remote controller during DRY operation Not an error 1 When the HEAT operation starts to prevent the unit from emitting cold air the fan speed is gradually increased from zero to the set speed in proportion to the temperature rise of the air emitted 2 When the room temperature reaches the set temperature and the ou
107. lve failure may cause refrigerant leakage and restrictor failure Heat insulator of refrigerant pipes is defective amp Malfunction of LEV Loose connection in thermistor 46 Louver motor resistance value check Check the removing of indoor controller board CNL breaking line and contact fault the grille to check the filter Clean the filter and remove dust or dirt away Clean the heat exchanger Lowering the indoor piping temperature and intake pressure means clogging in the heat exchanger Remove screen in the air duct air outlet intake Check if gas leaks or not in the piping joint 5 Check the refrigerant circuit operation status Check the piping size Check the capacity loss characteristic for the piping length the grille to check the filter Clean the filter and remove dust or dirt away Clean the heat exchanger Rising the indoor piping temperature and outlet pressure means clogging in the heat exchanger Remove screen in the air duct air outlet intake Check if gas leaks or not in the piping joint amp Operating condition check in the refriger ant cycle Since outlet temperature and indoor heat exchanger temperature does not rise measure the outlet pressure and deter mine the countermeasure Check the heat insulator Check the function of refrigerant circuit for wired remote controller Before you call out a repair man ch
108. ly eliminated This unique system improves the quality and reliability of the work also helps to speed up the installation time 6 4 SPECIFICATIONS 4 1 HEAT PUMP Mode Power supply phase cycle voltage 7 23 Max current 10 67 5 4 External finish Munsell 7 1 Refrigerant control Linear Expansion Valve Compressor Hermetic RE189VHSMT RE277VHSMT RE277YFKM 1 3 Line start Protection devices Internal thermostat Internal thermostat Thermal relay HP switch HP switch switch Discharge thermo Discharge thermo Discharge thermo Heat exchanger Plate fin coil Fan 12122 45 1 590 45 1 590 Defrost method Reverse cycle Noise level Cooling dB Heating O OUTDOOR UNIT OIN Dimensions 900 35 7 16 330 20 13 3 4 650 25 5 8 Weight Refrigerant R407C Charge 2 5 5 5 Oil Model 0 57 56 Pipe size O D i Connection method Flared Flared Between the indoor amp outdoor unit 54 119 7 9 52 3 8 15 88 5 8 40m 40m lt LL PUH P50VGAA YGAA UK PUH P60VGAA YGAA UK Cooling Heating Cooling Power supply phase cycle voltage Single 50Hz 230V 3 50Hz 400V 4wires 10 97 3 98 13 27 4 43 12 84 4 29 18 03 7 7 External finish Refrigerant control Compressor NE41VMJMT NE
109. mber settings of the wireless remote Check the pair number settings remote controller no beep and not controller and indoor control PCB are mismatched Check the indoor controller board connec working Display is available on the Disconnecting of wireless receiving board and contact tor CN90 wireless remote controller failure Check the wireless receiving board con Factor of the above 1 nector CNB Check the details of above 1 5 When operating by the wireless operation for max 2 minutes after the power sup operation remote controller beep sound is ply ON heard without working Remote operation is prohibited Normal operation Remote controlling adaptor is connected to the indoor controller board 32 Remote operation is prohibited by centralised con troller etc since it is connected to MELANS the details of above 2 Factor of the above 2 6 Upward downward vane performance the unit is as follows in the HEAT mode the Normal operation fault vane is not downward Normal operation Working of COOL protection function During HEAT preparation A Vane motor resistance value check During defrosting B Disconnecting breaking and contact During compressor stop fault of the connector When setting the downward vane in the cool dry Stepping motor adopting model mode the vane changes to Horizontal position after 1 CN6V check hour AC timing mot
110. n Indoor unit side TH1 outdoor controller board are disconnected eAbnormality of Liquid pipe thermistor 2 Measure the resistance values of each thermistor Indoor unit side TH2 1 TH2 and 5 of EVA COND pipe thermistor Indoor unit side TH5 2 blinks Abnormality of drain sensor D Check if the connector of CN31 on outdoor controller board Indoor unit side DS is disconnected Malfunction of drain up machine 2 Measure the resistance value of drain sensor 9 Measure resistance values among terminals on drain up machine by using a tester blinks Abnormality of pipe temperature D Check if the connectors of CN20 CN21 and CN29 on outdoor controller board are disconnected Check if ball valves are open 9 Check if the wirings are correct on the connecting wires of indoor outdoor units 64 11 SETTING 11 1 UNIT FUNCTION SETTING THE REMOTE CONTROLLER Each function can be set according to necessity using the remote controller The setting of function for each unit can only be done by the remote controller Select function available from the table 1 lt 1 Function selections 1 Functions available when setting the unit number to 00 Select 00 referring to setting the indoor unit number x1 The functions below are available only when the wired remote controller is used The functions are not available for floor standing models Initial setting wh
111. n the rear screws of the top panel are not possible to remove gt Remove the 3 front screws 5 X 15 of the top panel and lift the front side of the top panel Service 2 Removing the Fan and Fan motor 1 Remove the 6 fan guard screws 5 X 15 to remove it See Photo 1 2 Remove the propeller nut M8 and propeller fan 3 Remove the 3 fan motor screws 5 X 16 to remove the fan motor Note PU H P25 71 Nut M6 3 Removing the Electrical box Photo 3 1 Remove the service panel See Photo 1 Fan guard Electric parts box 2 Remove the top panel See Photo 1 3 Remove the Bypass valve Crankcase heater Pressure Tm switch lt for high pressure gt Liquid temperature thermistor mut 4 Outdoor unit Discharge temperature thermistor condenser evaporator SS Zig controller board temperature thermistor and 4 way valve from the connector housing on the controller board then disconnect the fan motor lead wire from the housing mentioned before and the condenser lead wire for the fan from the electrical box Electrical l fixing screw lt Diagram symbol in the connector housing gt Bypass valve solenoid coil SV Crankcase heater Pressure switch lt for high pressure gt 63H Liquid temperature thermistor TH3 D ART Discharge temperature thermistor TH4 Condenser evaporator temperature thermistor 6 Hi 1 4 valve solenoid
112. ndoor outdoor unit connecting wire correctly Check outdoor power supply connection converse connection Converse wiring of outdoor 1 1 seconds after power judge power supply line TB1 and Replace two phases for example phase L1 4103 A reverse phase by detecting voltage indoor power supply wire and phase L2 out of three phases of outdoor phase of each phase 4 power Supply line 1 2 Abnormal four minutes after power on if CE power supply and indoor outdoor unit g connecting wire have converse connection L3 phased open phase detection 0 L3 phased open phase Check power supply F2 Detect open phase two seconds after 4102 power 63L connector open Disconnection or contact fail D Check connection of 63L connector Abnormal if 63L connector circuit is open ure of 63L connector on out outdoor controller board for three minutes continuously after power door controller board Refer to 10 7 F3 supply 2 Disconnection or contact fail 2 Check the 63L side of connecting wire 63L Low pressure switch ure of 63L Check refrigerant pressure 5202 3 63L is working due to refrigerant Charge additional refrigerant PU PUH P125 140YGAA UK Only leakage or defective parts Check continuity by tester 4 Defective outdoor controller Replace the parts if the parts are defective board 2 Replace outdoor controller board The connector of 49C is open The connector of 49
113. non is S Conduct trouble shooting and ascertain the cause of the Not displayed inferior phenomenon according to 10 5 Troubleshooting by inferior phenomena Consider the temporary defects such as the work of protection devices in the refrigerant circuit including compressor poor connection of wiring noise and etc Re check the symptom and check the installation environment refrigerant amount weather when the Logged 2 phenomenon occurred matters related to wiring Reset error code logs and restart the unit after finishing service There is no abnormality concerning of parts such as electrical component controller board remote controller The inferior phenomenon is and etc not reoccurring Re check the abnormal symptom Conduct trouble shooting and ascertain the cause of the inferior phenomenon according to 10 5 Troubleshooting by inferior phenomena Not logged Continue to operate unit for the time being if the cause is not ascertained There is no abnormality concerning of parts such as electrical component controller board remote controller and etc 10 2 CHECK POINT UNDER TEST RUN 1 Before test run After installation of indoor and outdoor units piping work and electric wiring work re check that there is no refrigerant leak age loosened connections and incorrect polarity Measure impedance between the ground and the power supply terminal block L on the outdoor unit by 500V Merger
114. ns units digit are displayed by turns Example When 150 C One second interval 1L1 50 0 130 When the temperature is 100 or more the hundreds digit and tens units digit are displayed by turns Example When 115 C One second interval 10 15 SW2 setting Display detail Explanation for display ON 123456 123456 123456 123456 123456 time to error stop 0 999 Indoor unit piping temperature 5 indoor 1 39 88 Indoor unit piping temperature 5 indoor 2 39 88 Indoor unit piping temperature Eva TH5 indoor 3 39 88 Indoor unit piping temperature cond Eva TH5 indoor 4 39 88 For A control Service Tool PAC SK52ST Operation for A control Service Tool 1 By operating the dip switch SW2 on A control Service Tool the digital display of light emitting diode LED1 indicates the operation mode and types of inspection with a tow digit number and symbol 2 After the inspection A control Service Tool shall be removed out of outdoor unit control board 0 999 When the time is 100 or more the hundreds digit and tens units digit are displayed by turns When 415 minutes interval 4 15 39 88 When the temperature is 0 C less and temperature are displayed by turns 39 88 When the temperature is 0
115. o the linear expansion valve Open 2000 pulse Opening a valve all the way Pulse number Extra tightning 32 pulse 3 Trouble shooting Check point Operation circuit Remove the connector from the controller board and connect diagnostic Exchange the indoor failure of the micro LEDs controller board at drive processor circuit failure 1kQ LED Pulse signal will be sent out for 10 seconds as soon as the main switch is turn on If there is LED with lights on or lights off it means the operation circuit is abnormal Linear expansion Motor will idle and make ticking noise when motor is operated while the linear Exchange the linear valve mechanism is expansion valve is locked locked This ticking sound is the sign of the abnormality Short or breakage of Measure the resistance between the each coil red white red orange Exchange the linear the motor coil of the brown yellow brown blue using a tester It is normal if the resistance expansion valve linear expansion valve is in the range of 150010926 Wrong connection of Check improperly connected connector terminals and the wire colors Disconnect the connector the connector or Remove the connector on the controller board side and check electrical at the controller board contact failure conductance then check the continuity 52 10 7 TEST POINT DIAGRAM Outdoor controller board PUH P25 P35 P50 P60 P71 PIOOVGAA UK PUH P35 P50 P6
116. o the minimum in the group As 9 is right for this situation the setting is wrong Taking group A as a good sample set the minimum M NET address in the group for the outdoor unit whose refrigerant address is 00 27 9 REFRIGERANT SYSTEM DIAGRAM PUH P25VGAA UK PUH P35VGAA UK PUH P50VGAA UK PUH P60VGAA UK PUH P71VGAA UK PUH P35YGAA UK PUH P50YGAA UK PUH P60YGAA UK PUH P71YGAA UK lt 4 way valve solenoid coil gt Ball valve High pressure Heating dep AE POIGE s dai Heat exchanger Cooling OFF Refrigerant GAS pipe Strainers Thermistor 25 12 7 1 2 6 TH6 35 71 15 88 65 8 Y Thermistor lat Distributor ccumulator with strainer Refrigerant LIQUID pipe 25 6 35 91 4 5 71 9 52 3 8 Stop with service port Refrigerant flow in cooling Refrigerant flow heating PUH P100VGAA UK PUH P100YGAA UK valve 4 way 50 Strainer Refrigerant GAS pipe 19 05 3 4 Distributor With Service strainer port Capillary tube O D 4 0X1 D 3 0 L350 X2pcs Thermistor 8 Accumulator Compressor 100 Refrigerant LIQUID 9 52 9 3 8 Stop Liner expansion valve with service port Refrigerant flow in cooling gt Refrigerant in heatin
117. oard received for three minutes of refrigerant address 0 2 Abnormal if sub remote controller could Noise has entered transmis not receive any signal for two minutes sion wire of remote controller 2 All remote controllers set as sub remote controller In this case E4 is displayed at outdoor LED and EO is dis played at remote controller Wiring regulations are not observed eLength of wires Number of remote controllers Diameter of wires Number of indoor units Remote controller communication error 10 Defective communication cir Transmitting error cuit of remote controller 1 Abnormal if sub remote controller could Noise has entered transmis not find blank of transmission path for sion wire of remote controller six seconds 9 Two or more remote con 2 Abnormal if remote controller could not trollers are set as main finish transmitting 30 times continuous ly Indoor outdoor unit communication Contact failure of indoor out error Signal receiving error door unit connecting wire Outdoor unit 2 Defective communication cir 1 Abnormal if outdoor controller could not cuit of indoor controller board receive anything normally for three 9 Defective communication cir minutes cuit of indoor controller board Noise has entered indoor out door unit connecting wire indoor outdoor unit communication C Defective communication circuit error Transmitting error of outdoor contr
118. oller Outdoor unit Noise has entered power supply 1 Abnormal if 0 receiving is detected 30 9 Noise has entered indoor times continuously though indoor con outdoor unit connecting wire troller has transmitted 1 4 Indoor outdoor unit connecting 2 Abnormal if outdoor controller could not _ Wire has contact failure Defective communication circuit between indoor and outdoor unit on indoor controller board find blank of transmission path for three minutes 41 D Check compressor Refer to 5 2 Check indoor unit and repair defective 9 Check connection 09 Check connection 8 Replace outdoor controller board Check 52C 9 Check wiring O9 Diagnose remote controller Dispose as follows according to diagno sis result a When is displayed Remote controllers have no problem Put the power off and on again to check If PLEASE WAIT is displayed for four minutes or more replace indoor controller board b When is displayed Replace remote controller c When or 00 66 is dis played noise may be causing abnor mality Set one of the remote controllers if outdoor LED is E4 while EO is displayed at remote controller D Check disconnection or looseness of indoor outdoor unit connecting wire of indoor or out door units the power off and on again to check Replace indoor
119. one group indoor units should be connected by remote controller wiring TB5 and the refrigerant address needs to be set Leave the refrigerant addresses to 00 if the group ting is not conducted Set the refrigerant address by using DIP SW1 3 to 6 on the outdoor controller board Factory setting all switches are OFF refrigerant addresses are 00 123456 10 m 7 address 8 3 3 Regulations in address settings In case of multiple grouping system and refrigerant address settings should be done as explained in the above 5 tion Set the lowest number in the group for the outdoor unit whose refrigerant address is OO as its M NET address Group A Group B Group C E i Refrigerant Refrigerant Refrigerant address 00 address 01 address 00 Bower address 02 address 03 address 04 supply unitfor transmission wire A control A control A control remote remote remote controller Controller Controller Refrigerant Refrigerant iQecant m Refrigera m Refrigerant address 00 address 01 address 0 address 02 M NET M NET E NEA M NET Power address 01 address 02 2 2 address 05 Supply unit for transmission wire A control remote controller In group M NET address of the outdoor unit whose refrigerant address is 00 is not set t
120. operate again to 1504 value that exceeds set value during com Defective thermistor check if U4 is displayed pressor operation 9 Defective outdoor controller If U4 is displayed follow the U4 process P25 P140 70 board ing direction Power supply reset is detected Replace outdoor controller board while indoor filter clogs and Check linear expansion valve overload heating operation Refer to 10 6 Defective outdoor controller board Defective action of linear expansion valve Abnormal low pressure 63L worked D Gas pipe side ball valve and D Open ball valve and stop valve Abnormal if connector 63L is open liquid pipe side stop are Q Put the power off and on again to check under 0 03MPa during compressor oper shut during operation if F3 is displayed on restarting ation 2 Disconnection or contact fail If F3 is displayed follow the F3 process ure of connector 63L on out ing direction door controller board 9 Leakage or defective of refrigerant UL Disconnection or contact fail 6 Check linear expansion valve 1300 Abnormal High pressure 63H worked Gas pipe side ball valve and Open ball valve and stop valve This error is detected 3 24MPa from 63H liquid pipe side stop valve are Put the power off and operate again to action within 20 seconds of compressor shut during operation check if F5 is displayed starting in the first heating mode after 2 Disconne
121. or adopting model Vane motor does mot rotate CNV check A Vane motor fault C Check the setting details by selecting B Disconnecting breaking and contact fault of the the remote controller function connector Setting check of the indoor controller C Setting to no vane unit board J11 J15 SW1 Standard position reading fault Vane motor does not A Limiteds witch LS conductance stop check A Limited switch fault B Check the removing of indoor con B Disconnecting breaking and contact fault of the troller board CN23 breaking line and connector contact fault Only AC timing motor adopting mode No limited switch for stepping motor adopting model 45 ww 7 Left right louver performance fault 8 Though the remote controller dis play is normal in cool mode the Capacity is not enough 9 Though the remote controller dis play is normal in Heat mode the Capacity is not enough Louver motor fault Disconnecting breaking and contact fault of the con nector Filter clogging dirt Heat exchanger clogging dirt duct short cycle Refrigerant shortage Operation failure in electronic expansion valve Thermistor connection failure Incorrect piping size Piping is too long clogging dirt Heat exchanger clogging dirt duct short cycle Refrigerant shortage Outdoor unit bypass circuit failure Indoor reverse check valve failure Reverse check va
122. or unit s ground fault breaker Replace the ground fault breaker is open A power cut has occurred see Wait until power is restored then NOTE below press the POWER ON OFF button to turn the unit on Unit discharges air well but fails to Liquid crystal display indicates Improper temperature setting After checking the temperature cool or heat the room well the unit operates setting Filters are clogged Clean the filter and resume opera tion Outdoor unit s intake or outlet is Remove the obstruction obstructed A door or window has been open Shut door or window Unit does not start immediately Liquid crystal display indicates that Unit is waiting three minutes Wait until the unit restarts automat the unit operates before restarting ically The compressor may hesi tate resuming because a three minute resume prevention circuit is incorporated in the outdoor unit for orotection of the compressor NOTE After a power cut the unit will not restart automatically You will have to restart it by pressing the POWER ON OFF button on the remote controller If none of the above apply turn the main switch off and contact the dealer from whom you bough the air conditioner telling him the model name and the nature of the problem Do not try to fix the unit yourself In any of the following cases turn off the main power switch and contact your local dealer for service The operation lamp on the main unit flashes
123. ownward direction the unit will automatically change to the Horizontal air flow mode This is to prevent any moisture that may have collected from dripping When the unit is in the heating or defrosting mode it will automati cally change to the Horizontal air flow mode The vanes will go through a test run before they situate into the specified angle 1 Check whether the vane has been set to a fixed position check whether the vane motor connector has been 2 Check whether the unit has a function for switching the air direc tion If the unit doesn t have this function FUNCTION DOESN T EXIST appears when you press the remote control s UP DOWN VANE or LOUVER button ated cator is displayed in the remote controller The start and stop functions are not available just after restarting the unit speed during DRY operation ing DRY operation speed during HEAT operation ing HEAT operation The vanes will go through a test run before they situate into the specified angle This sound is made when refriger ant inside of the unit is flowing or refilling Not an error This sound is caused by the flow of the refrigerant in the air conditioner being switched Air sometimes comes out when operation is stopped after HEAT operation Not an error This sound is emitted when the air conditioner outdoor unit starts operating Not an error This sound is caused by the blower air vo
124. r mistor TH4 exceeds following tempera ture during compressor operation Normal operation 115 C P25 P100 125 C P125 P140 or more for three min utes continuously or 1356 defrosting 135 ation caused by shortage of refrigerant Defective operation of stop valve 9 Defective thermistor 2 Defective outdoor controller board 5 Defective action of linear expansion valve 39 Judgment and action 0 6 Check indoor unit and repair defectives Check full open stop valve Check piping and repair defectives Check indoor unit and repair defectives 3 Put the power off and check UH display when the power is put again Follow the UH display if UH is displayed 5 Check linear expansion valve Refer to 10 6 Replace refrigerant D Check if refrigerant pressure is not degraded Check current of compressor operation when abnormality occurred Check wiring of compressor Check or replace compressor Check intake super heat Check leakage of refrigerant Charge refrigerant Check if stop valve is full open Put the power off and check if is displayed when the power is put again When 03 is displayed refer to Judgement and action for U3 5 Check linear expansion valve Refer to 10 6 Meaning of error code and detection method Judgment and action Abnormal shortage of refrigerant D Leakage or shortage of refrig Check leakage of refrigerant Abno
125. r Expansion Valve Compressor Hermetic kW Line start Thermal relay HP switch Discharge thermo W Heat exchanger Plate fin coil Fan Fan drive Propeller direct 2 0 07 0 07 Reverse Noise level in 1 050 41 5 16 in Weight Refrigerant Charge kg Ibs 4 9 10 8 Oil Model Pipe size O D Liquid in BE96YADMT OUTDOOR UNIT gt gt Dimensions 333 EIE 2 o Connection method Between the indoor amp outdoor unit REFRIGERANT PIPING 2 4 2 COOLING ONLY Service Ret 000000000 PU P35VGAA YGAA UK YGAA UK YGAA UK Power supply ohase cycle voltage Single 50Hz 230V 3 ph 50Hz 400V 4wires External finish Munsell 5Y 7 1 Refrigerant control Compressor Hermetic Motor output KW 13 16 19 Heat exchanger Fan drive No Propeller direct x 1 aug AE ERO 5 Defrost method 1 wr Dimensions D mm n 330 20 13 3 4 Refrigerant 0 57 Ester MEL56 Pipe size O D Connection method Between the indoor amp outdoor unit OUTDOOR UNIT a d lt LL Single 50Hz 230 3 50Hz 400V 4wires Running current 15 66 5 23 16 43 5 48
126. r and check that it is e equal to greater 1 0 0 D the main power to the unit fal Press the button twice continuously Start this operation from the status of remote controller display turned off A current mode displayed 9 Press the 2 oso button to activate mode then check whether cool air is blown out from the unit 0 Press the amp amp oc xc button to activate mode then 6 check whether warm air is blown out from the unit 5 Press the button and check whether strong air is blown out 6 from the unit 6 Press the button and check whether the auto vane operates properly Press the ON OFF button to stop the test run TEMP ON OFF CHECK LOUVER _ TEST RUN RESET M a 4 Point the remote controller towards the indoor unit receiver while following steps to e is not possible to run the FAN DRY or AUTO mode 2 Outdoor Unit 1 Check Items After installation of indoor and outdoor units and tubing and electric wiring work check that the unit is free from leaks of refrigerant loosened connections and incorrect polarity Check that there is no negative phase and open phase The F1 message for negative phase and the F2 message for open phase will flash at digital indicator LED 1 on the outdoor substrate If this happens rewir
127. ration switch is turned on Operation lamp does not light up After startup is displayed only Address is other than 0 green lights up lt 00 gt Remote controller transmission wire burnout Display appears but soon disappears After startup is displayed only After canceling function selection operation is not possible for even when remote controller is operated green lights up about 30 seconds Normal Press the remote controller s CHECK button twice to perform self diagnosis See the table below for the contents of LCD display Contents of inferior phenomena P6 Freezing overheating protection is working _________ Noemorhisoy P8 Abnormality of pipe temperature Noappliedunit Po Abnormality of pipe temperature thermistorCond eva C C C SS Fb Abnormality of indoor controler board See the table below for details of the LED display LED 1 2 3 on the indoor controller board LED1 microcomputer power supply Lits when power is supplied for wired remote controller LED2 remote controller The indoor unit should be connected to the outdoor unit with address 0 setting LED3 indoor outdoor communication Flash when indoor and outdoor unit are communicating 31 _ O Test run wireless remote controller Measure an impedance between the power supply terminal block on MITSUBISHI ELECTRIC the outdoor unit and ground with a 500V Megge
128. reen and LED2 red will light up After the startup mode of the system finishes LED2 red will be turned off In case OUTDOOR BOARD LED is digital display and will be displayed alternately every second one of the above operations doesn t function correctly the causes written below should be considered Find causes from the symptoms The below symptoms are under test run mode startup in the table means the display status of 1 written above US Indicates digi display Remote controller displays PLEASE After startup is displayed only After power is turned on PLEASE WAIT is displayed for 2 WAIT and cannot be operated green lights up 00 minutes during system startup Normal After startup is displayed green once and red once blink alternately lt F1 gt After startup is displayed green once and red twice blink Outdoor unit s safeguard installation connector is open alternately lt F3 F5 F9 gt After startup is displayed Incorrect wiring between the indoor and outdoor unit Polarity green twice and red once blink is wrong for S1 S2 S3 alternately EA Remote controller transmission wire short There is no outdoor unit of address O Incorrect connection of outdoor terminal block L Lz Ls and After power is turned on PLEASE WAIT 51 52 93 is displayed for 3 minutes then error code is displayed No display appears even when remote controller ope
129. result Store the piping to be used during installation indoors with keep both ends sealed until just before brazing Store elbows and other joints in a plastic bag If dust dirt or water enters the refrigerant cycle deterioration of the oil and compressor trouble may result Use ESTER ETHER or HAB as the lubricant to coat flares and flange connection parts If large amount of mineral oil enter that can cause deterioration of refrigerant oil etc 1 Cautions for service Use liquid refrigerant to charge the system gas refrigerant is used to seal the system the composition of the refrigerant in the cylinder will change and performance may drop Do not use a refrigerant other than R407C If another refrigerant R22 etc is used the chlorine in the refrigerant may cause the lubricant deterioration Use a vacuum pump with a reverse flow check valve The vacuum pump oil may flow back into the refrigerant cycle and cause the lubricant deterioration Ventilate the room if refrigerant leaks during operation If refrigerant comes into contact with a flame poisonous gases will be released After recovering the all refrigerant in the unit proceed to working Do not release refrigerant in the air After completing the repair service recharge the cycle with the specified amount of liquid refrigerant 2 Refrigerant recharging 1 Refrigerant recharging process Direct charging from the cyl
130. ring HEAT operation NO VANE AUTOSTART Set address 24 while still in troubleshooting mode then press the HOUR button LOUVER h Select setting 02 OFF Set address 02 while still in troubleshooting mode then press the HOUR button 41 RESET CLOCK End function selection mode End troubleshooting mode Note When you switch to function selection mode on the wireless remote controller s operation area the unit ends function selection mode automatically if nothing is input for 10 minutes or longer Operating instructions D Check the function settings Press the button twice continuously gt CHECK is lit and 00 blinks Press Ihe temp a button once to set 50 Direct the wireless remote controller toward the receiver of the indoor unit and press the 4 button 3 Set the unit number Press the temp A button to set the unit number Press 01 to specify the indoor unit whose unit number is 01 Direct the wireless remote controller toward the receiver of the indoor unit and press the button By setting unit number with the Ci button specified indoor unit starts performing fan operation Detect which unit is assigned to which number using this function If unit number is set to AL all the indoor units in same refrigerant system start performing fan operation simultaneously unit number that cannot be recogni
131. rises by heat When installing the 4 way valve cover it with a wet cloth to prevent it from heating then braze the pipes Photo 4 Clamp Rear panel Linear expansion valve coil Photo 5 Condenser evaporator temperature thermistor Bypass valve solenoid coil Pressure switch solenoid 1 4 fixing screw 26 valve 4 valve Way solenoid coil i Discharge temperature 3 thermistor PROCEDURE 5 9 Removing the high pressure switch Photo 6 1 Remove the service panel See Photo 1 Lead wire 2 Remove the top panel See Photo 1 3 Remove the electrical box See Photo 3 4 Disconnect the lead wire of the pressure switch See Photo 6 5 Remove the braze part of the pressure switch Note When installing the pressure switch cover the pressure switch with a wet cloth to prevent the pressure switch from heating then braze it 177 Pressure Switch lt High gt 10 Removing the low pressure switch Photo 7 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the electrical box See Photo 3 4 Disconnect the lead wire of the pressure switch See Photo 7 5 Remove the braze part of the pressure switch Electrical box Note When installing the pressure switch cover the pressure switch with a wet cloth to prevent the pressure switch from heat
132. rmal if intake super heat exceeds fol erant Charge refrigerant lowing temperature during heating com Defective operation of stop Check if stop valve is full open pressor operation valve not full open 30 Put the power off and check if U3 or U4 is U2 70C or more and indoor pipe lt con Defective thermistor TH4 displayed when the power is put again 1501 denser evaporator gt temperature is TH5 TH6 When US or U4 is displayed refer to 35 C or less Defective outdoor controller Judgement and action for U3 or U4 board Check linear expansion valve 5 Defective action of electric Refer to 10 6 expansion valve pressor operation 9 Defective outdoor controller TH4 Refer to 10 6 board Check resistance value of thermistor Refer to 10 6 or check temperature by microcomputer Mode switch of SW2 Replace outdoor controller board Open short circuit of discharging ther Disconnection or contact failure Check contact of connector TH4 on the mistor 4 of connector TH4 on the indoor controller board Abnormal if open or less or short indoor controller board Refer to 10 7 U3 216 C or more is detected during com O Defective thermistor Check breaking of the lead wire for thermistor 5104 Detection is inoperative for five minutes of compressor starting process and for 10 minutes after defrosting Open short circuit of the liquid pipe Disconnection or contact failure
133. rotector OPEN 130 5 CLOSE 88 15 100 125 140 Linear expansion valve LEV 4 Blue 6 Brown Yellow 5 3 White Orange 4 WAY VALVE SOLENOID COIL 2154 55 VALVE SOLENOID COIL 21R Only PUH P125 P140 CRANKCASE HEATER HC Check points Disconnect the connector then measure the resistance using a tester Surrounding temperature 10 30 Open or short Refer to the next pege for a detail Measure the resistance between the terminals using a tester Surrounding m Nom 20C Abnormal P25 P71 P100 P140 White Black 77 40 10 57 40 10 White Red 99 10 10 99 70 10 Motor lead wire Open or short Disconnect connector then measure the resistance using tester temperature 20 x Abnormal ___ Ra p cones White Yellow Orange Red Brown Open or short Measure the resistance between the terminals using a tester Surrounding temperature 20 14300 Open or short Measure the resistance between the terminals using a tester Surrounding temperature 20 Normal Abnormal P125 140 sn 19700 Measure the resistance between the terminals using a tester P25 P35 P50 P140 Open or short 1920Q 7 15160 7 50 lt Thermistor characteristic graph gt lt Thermistor for lower temperature gt Thermistor for Liquid temp
134. rs if water enters the cables and causes insufficient insulation to ground or a poor electrical contact at the intermediate connection point If an intermediate connection is necessary be sure to take measures to prevent water from entering the cables 25 _ 44444 8 3 WIRING Points 10 1 Outside the unit transmission wires should stay away from electric wires in order to prevent electromagnetic noise from making an influence on the signal communication Place them at intervals of more than 5 Do not put them in the same conduit tube 2 Terminal block TB7 for transmission wires should never be connected to 220 240V power supply If it is connected electronic parts on M NET p c board may be burn out 3 Use 2 core x 1 25mm shield wire CVVS CPEVS for the transmission wire Transmission signals may not be sent or received normally if different types of transmission wires are put together in the same multi conductor cable Never do this because this may cause a malfunction Ne 3 Refrigerant T Refrigerant Refrigerant 00 address 00 address 00 controller M NET M NET M NET Power address 01 address 02 address 03 supply unitfor transmission wire A control A control A control remote remote remote controller controller controller would be ok if M NET wire non polar 2 cores is arranged in addition to the wiring for A
135. stem Electrical wiring Synchronized twin Outdoor unit Indoor outdoor unit connection cable Earth leakage breaker wiring circuit breaker or isolating switch Indoor unit T Remote controller Indoor Outdoor unit U Earth leakage breaker wiring circuit breaker or isolating switch 24 8 2 INDOOR OUTDOOR CONNECTING CABLE Cross section Polarit L m of cable of wires y 6 Round From left to right 51 52 53 Clockwise 51 52 53 Pay attention to stripe of yellow and green Not applicable Because center wire has no cover finish Clockwise 51 52 53 Connect 51 and S3 to the opposite angle 21 Power supply cords of appliances shall not be lighter than design 245 IEC or 227 IEC 2 In case that cable with stripe of yellow and green is available 3 In case of regular polarity connection 51 52 53 wire size is 1 5mm 4 In case of regular polarity connection 51 52 53 5 In the flat cables are connected as this picture they can be used up to 80m QOO lt 3C Flat cable X 2 1 S2 S3 6 Mentioned cable length is just a reference value It may be different depending on the condition of installation Humidity or materials etc Be sure to connect the indoor outdoor connecting cables directly to the units no intermediate connections Intermediate connections can lead to communication erro
136. stores error codes the latest check code can be recalled even if it is cancelled by the remote controller or power is shut off Check the error code history for each unit using the remote controller Set the unit number or refrigerant address you want to diagnose D Switch to self diagnosis mode D Press the TEMP buttons CA to select the desired number Press the CHECK button twice within three seconds The display content or address The number address changes between 01 and 50 or 00 will change as shown below and 15 refrigerant address will to flash Unit number or refrigerant address approximately three seconds after being to be diagnosed selected and the self diagnosis process will begin Display self diagnosis results lt When there is error code history gt For the definition of each error code refer to the indoor unit s installation manual or service handbook Alternating Display mI ERRQR CODE EDS Error code 2 or 4 digits Address 3 digits or unit number 2 digits When there is no error code history When there is no corresponding unit SELFCHECK 121000 SELF PEE rr 20 ERROR Reset the error history Display the error history in the diagnosis result display screen see step 3 Ltt
137. sub remote controller MODE SELECTION When two remote controllers are connected to one group one controller must be set to sub 2 Use of clock setting CLOCK e Setting the use or non use of clock function Setting the timer type 3 Timer function setting WEEKLY TIMER 4 Contact number setting for error situation CALL 4 Display change DISP MODE SETTING 2 3 Automatic cooling heating display setting AUTO MODE DISP C H Function selection flowchart Refer to next page Contact number display in case of error Setting the telephone number 1 Temperature display C F setting TEMP MODE Setting the temperature unit or F to display Suction air temperature display setting ROOM TEMP DISP SELECT Setting the use or non use of the display of indoor suction air temperature Setting the use or non use of the display of Cooling or Heating display during operation with automatic mode 1 Stop the air conditioner to start remote controller function selection mode 2 Select from item1 3 Select from item2 gt 4 Make the setting Details are specified item3 5 Setting completed 6 Change the display to the normal one End Detailed setting 4 1 CHANGE LANGUAGE setting The language that appears on the dot display can be selected Press the button to change the language Japanese JP English GB German
138. tdoor unit stops the unit starts the LOW AIR operation 3 During the HEAT operation the DEFROST operation is performed to melt the frost adhering to the outdoor unit During the DEFROST operation the blower is stopped to prevent cold air coming from the indoor unit Not an error The blower operates to eliminate the residual heat in the heated air conditioner It stops after about 1 minute This operation is performed when operation is stopped with the electric heater ON The unit started even though the 5 this timer on DEFROST is displayed no air adheres to the outdoor unit start stop button was not pushed the start stop button to stop comes out the unit when the outside air temperature the unit is low and the humidity is high Was a distant commend sent from This display indicates that the the remote controller DEFROST operation is being per Find out if the remote controller formed to melt this frost The was used DEFROST operation ends after Is the CENTRALLY CON about 10 minutes 15 minutes TROLLED indicator displayed maximum Find out if the remote controller During the DEFROST operation was used the indoor unit s heat exchanger Is the automatic cooling heating becomes cold so the blower is mode selected stopped The up down vane is Press the start stop button to stop automatically set to horizontal the unit blow When the DEFROST opera The unit stopped even though t
139. the pipe temperature P8 Le 65 N IN e o 0 2 3 11 1 1 Selecting functions using the wired remote controller First try to familiarize yourself with the flow of the function selection procedure In this section an example of setting the room temperature detection position is given For actual operations refer to steps 10 00 Setting number Refrigerant address Unit number Li ON OFF 1 143212038 OMENU hall S MOX Wem DR FA Modes 01 to 13 can be activated by pressing buttons and pom DX MAA 1 E simultaneously and modes 1510 ia D Selecting functions using the wired remote controller Check the function selection setting 2 Switch to function setting mode For modes 15 and higher Press 9 and B at the same time press and B at the same time with the remote controller stopped 9 Specify refrigerant address 00 outdoor unit 4 Specify unit No 00 indoor unit Use and Enter the setting Specified indoor unit Press BLOW operation Change refrigerant it No Select mode No 02 room temperature detection position Select setting No 03 remote controller fixed
140. ve the electrical box Refer to 3 3 Remove coil fixing screw M4 X 8 and disconnect the lead wire of the bypass valve solenoid coil SV from on the controller board 6 Removing the bypass valve 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the bypass valve solenoid coil See Photo 4 4 5 Recover gas from the refrigerant circuit Remove the braze at the intake and outlet of the bypass valve Note Before using a burner reclaim gas from the pipes until the pressure gauge shows 0 kg cm 0 MPa Use the burner under the condition that gas can be recovered even when the inner pressure rises by heat When installing the bypass valve cover it with a wet cloth to prevent it from heating then braze the pipes 7 Removing the 4 way valve solenoid coil 21S4 1 Remove the service panel See Photo 1 2 Remove 4 way valve solenoid coil fixing screw M5 X 6 and disconnect the lead wire of the 4 way valve solenoid coil 2154 from the controller board 8 Removing the 4 way valve 1 Remove the service panel See Photo 1 2 Remove the 4 way valve solenoid coil See Photo 5 3 Recover gas from the refrigerant circuit 4 Remove the braze pipe of the 4 way valve Note Before using a burner reclaim gas from the pipes until the pressure gauge shows 0 kg cm 0 MPa Use the burner under the condition that gas can be recovered even when the inner pressure
141. y because of noise or etc Note The address and attribute displayed at remote controller indicate the con troller that detected abnormality Communication error with communica tion Pline Defective communication between unit processor and transmission processor Note The address and attribute display at remote controller indicate the con troller that detected abnormality Breaking of wire or contact failure of connector between outdoor controller circuit board and M NET board 2 Contact failure of M NET board power supply line 3 Noise has entered into M NET transmission wire Put the power off and on again to check Replace indoor controller board or outdoor controller board if abnormality is displayed again D Check disconnection looseness or breaking of connection wire between outdoor controller cir cuit board CNMNT and M NET board 5 Check disconnection looseness or breaking of connection wire between outdoor controller cir cuit board CNMNT and M NET board CND Check M NET transmission wiring method Note Indoor unit in the text indicates M NET p c board in outdoor unit There are two or more same address of controller of out door unit indoor unit FRESH MASTER or LOSSNAY 2 Noise has entered into trans mission signal and signal was transformed D Error is detected if waveform is transformed when wiring works of transmission wire of outdoor unit
142. zed by the unit is entered 3 beeps of 0 4 seconds will be heard Reenter the unit number setting If the signal was not received by the sensor you will not hear beep or a double beep may be heard Reenter the unit number setting Select a mode Press the temp button to set a mode Press 24 to turn on the function that raises the set temperature by 4 degree during heat operation Direct the wireless remote controller toward the sensor of the indoor unit and press the button The sensor operation indicator will flash and beeps will be heard to indicate the current setting number Current setting number 1 1 beep one second 2 2 beeps one second each 3 3 beeps one second each If a mode number that cannot be recognized by the unit is entered 3 beeps of 0 4 seconds will be heard Reenter the mode number If the signal was not received by the sensor you will not hear beep or a double beep may be heard Reenter the mode number Select the setting number Press the temp a button to select the setting number 02 Not available Direct the wireless remote controller toward the receiver of the indoor unit and press the 3 button The sensor operation indicator will flash and beeps will be heard to indicate the the setting number Setting number 1 2 beeps 0 4 seconds each 2 2 beeps 0 4 seconds each repeated twice 3 2 beeps 0 4 seconds each repeated three times setting number t

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