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TECHNICAL & SERVICE MANUAL

1. SYMBOL NAME SYMBOL NAME SYMBOL NAME SYMBOL NAME TB1 Terminal Block lt Power Supply gt Power Circuit Board MULTI B Multi Controller Board CNAC Connector To Noise Filter Circuit Board Terminal Block Transmission U V W Connection Terminal lt U V W Phase gt F1 F2 Fuse lt 6 3A gt CNDC Connector lt To Noise Filter Circuit gt TB7 Termi
2. 63L 63H SYMBOL NAME TH6 TH3 Terminal Block Power Supply MULTI B TB3 Terminal Block lt Comunication Line gt ici TB7 Terminal Block lt Centralized Control Line gt es 55241 9 3 CN3D 5 CN3N SWU2SWU SW5 SW6 me Motor For Compresor z tHe Tra Boal sal ess E E MNA MUR MFTMF2 _ Motor WHT RED WHT WHT 13123131 P SW1 SW2 2184 Solenoid Valve Four Way Valve 63H High Pressure Switch 15 1 CN51 4 63L Low Pressure Switch WHT hs PB 6385 High Pressure Sensor 63H CN2 WHT LED LED2 mis SV1 Solenoid Valve lt Bypass valve TERMS YLW 1 WHT 7 mE BH BH 1cN24 TH3 Thermistor Outdoor Pipe LED3 2 WHT TH4 Thermistor lt Discharge gt amp 7 TS BLK TH6 Thermistor Low Pressure Saturated gt T T CN102 wan TH7 Thermistor lt Outdoor gt c 5 8 cu WHT 77 TH8 Thermistor lt Heatsink gt E 5 gt gt 7 ra QU 4 DCL Reactor 3 1520 3 12194 PB SV2 2 1 SV1 3 f SS 2 HCNAC 1 2 1 2 qun AUT 2 Active Filte
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5. JO 091 0001 5 4 freu oq gt ugy 5597 Soeds OL Aj eoo peseuound eq 2 DUE pue syogy siioq ULO OLN uopepunoj p ui suonoeuuoo pue O9NIHIM ONIdld t S1109 5590098 BOIAJOS 10 se q oeds jo OL 4009 u uan eui SI 1e norued jo uonue dx3 ejdurexe oiseq 5 eu 1 30795 JAHIS punoiy 30745 3384 19 7 WIRING DIAGRAM PUMY P100VHM PUMY P125VHM PUMY P140VHM
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7. 20 5 seo ezH L 201 LLOLLLOL O 1 921 LLOLLLOO jo esjnd Aejdsiq asind A31 891 LLOLLOLL Buiuedo A31 291 LLOLLOLO asind Buiuedo A31 921 LLOLLOOL jo ejdsiq 340 340 ouueul ouueul 821 LLOLLOOO 2 LLOLOLLL 921 LLOLOLLO Joopul jo ejdsiq Aoede 82 LLOLOLOL opoo Ayoedey LLOLOLOO epoo 991 LLOLOOLL SO ON 8 S r 6 eyep eldsip 210131 uo e dsiq 829970 LMS 74 10 ELECTRICAL WIRING This chapter provides an introduction to electrical wiring for the CITY MULTI S series including notes concerning power wiring wiring for control transmission wires and remote controller wires and the frequency converter 10 1 OVERVIEW OF POWER WIRING 1 Use a separate power supply for the outdoor unit and indoor unit 2 Bear in mind ambient conditions ambient temperature direct sunlight rain water etc when proceeding with the wiring
8. T G 130 MoronsuPORT 1 T T RJ G 130 T G AVEBEDASSY 1 KT 8 G AVEBEDASY t KC x re Loom G RO1E13658 COVER PANEL FRONT J 1 1 E14 658 COVERPANEL FRONT t o G E11 658 COVER PANEL REAR __ 1 24 658 cover t 1 G Rores2eer TW 661 SIDEPANEL R t T7w Eos 668 SERVICE PANEL 3 1 T7W 668 SERVICEPANEL t G ___ 3i 1 Ranguam f _ e RorEo265s HANDLE _ T 1 TT T 94 15 OPTIONAL PARTS DRAIN SOCKET Part No PAC SG61DS E AIR OUTLET GUIDE Part No PAC SG59SG E Need 2 pieces AIR GUIDE Part No PAC SH63AG E Need 2 pieces DRAIN PAN Part No PAC SG64DP E FILTER DRYER For liquid line 49 52 Part No PAC SG82DR E Only for R410A model Don t use for R22 model BRANCH PIPE Joint Part No NUMBER OF BRANCHING POINTS CMY
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10. 23 crue 3 3 Tw 716 TERMINAL BLOCK eano 3 3 78 17w E22 346 3 3 Rot 202 THERMISTOR 3 3 mej E22 255 3 _ enla Rot 202 3 3 ma THERMSTOR DISCHARGE 3 3 _ twa Ss o 20 rust 2 2 F 93 14 2 STRUCTURAL PARTS PUMY P100VHM PUMY P100VHMA PUMY P125VHM PUMY P125VHMA PUMY P140VHM PUMY P140VHMA PUMY P100VHMA BS PUMY P125VHMA BS PUMY P140VHMA BS e HERE 16 Q ty set PUMY P100 125 140VHM J PUMT Pt00 2S MOVHIM BS Specification Remarks Drawing No Wiring Recom Diagram mended Symbol Q ty 5x10 3 ae ees T7W E03 662 SIDE PANEL L T7W E06 662 SIDE PANEL L 1 1 9 10 11 12 13 14 15 16 17 G R01 E01 655 HANDLE G T7W 03 691 R a a T7W E06 667 TO jJ lel sEPaRToR t SEPARATOR 1 BK00C143GB2 G _ 26 686 BASEASSY
11. ON Su Ajoedeo yun ejdsiq yun Joopui c oN 08007 000LLLLO p oN 08027 00011101 yun Joopui oN 00011100 990 0 204 08027 0000 yun oN 08087 000100 yo 440 oway uo pyb uoneJedo yun g ON uoneJedo yun ON 10121900 jun 90 uoneJedo jun uoneJedo 604 jun 2 0 uone1edo un ON kejds p pun Joopu 00011001 yo 196 uej dois Bulusel y uo 1961 jun 8 0 epou jun 0N un 9 ON jun jun jun jun 2 0 jun 00011000 uopoerep fujeuuoudy 10421900 Jossaidwo4 EISH jueuun ejdsip 1000110 0001011 euin 5 Ae dsiq anou 0 L 10n 6666 0 euin 00010110 anou 0n 6666 0 euin 00010101 35 S 0 u 4 0151 aouenbes spJ029i 15912 y SI ui pio581
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13. lt 3 8 gt 9 5 Service port trainer Capillary tube for oil separator 2 5 x 0 8 x L1000 Refrigerant piping specifications dimensions of flared connector Liquid piping Gas piping P15 P20 P25 P32 P40 P50 6 35 1 4 12 7 lt 1 2 gt Indoor unit P63 P80 P100 P125 P140 9 52 lt 3 8 gt 15 88 lt 5 8 gt Outdoor unit P100 P125 P140 9 52 lt 3 8 gt 23 15 88 lt 5 8 gt 8 3 SYSTEM CONTROL Example for the System Example for wiring control cables wiring method and address setting permissible lengths and the prohibited items are listed in the standard system with detailed explanation A Example of a M NET remote controller system address setting is necessary Example of wiring control cables Wiring Method and Address Setting 1 Standard operation 1 remote controller for each indoor unit There 15 no need for setting the 100 position on the remote controller a Use feed wiring to connect terminals M1 and M2 on transmission cable block TB3 for the outdoor unit to terminals 1 and 2 on the transmission cable block TB5 of each indoor unit IC Use non polarized 2 wire b Connect terminals M1 and 2 on transmission cable terminal block TB5 for each indoor unit with the terminal block TB6 for the remote controller RC c Set the address setting switch on outdoor unit P C B a
14. 00000 kejap EIS Ayyewuouge SHE9 Aejap ujeuuouqe ejnsseJd wo1 Aejap Aypeuuouqe Josues kejap esaya jUerotnsu kejap ypeuuouqe eDeyoA Kejap JUNI Kejap yuis eaH z fejdeip ejop 00000110 kejap uondeo kejap ypeuuouge ZHL kejap ilguuouqg fouanb ue 1000110 kejap yeuuouge ypeuuouge d kejap kejap Aejap ujeuuouqe 19 fejdeip Kejap 00000101 Aupeuuouqe 1 55 ejdsiq 5 095 Josues 1010 SSeJppe 10119 jun 10119 Aoedeo 10004 Aupewuouge 1oopui Jo Ayeuuouqy indui uoll99101d 00000100 Wels SHE9 j euuuouqe ejn seJd w01 ypeuuouqe Josu8s jua
15. PARTS LIST non 13 1 STRUCTURAL PARTS PUMY P125VHM 3 1 Recom Q ty Wiring Diagram mended Symbol NW 7 8 9 56 Remarks Drawing No DG12F536H10 BK00C143G80 BK00C142G15 DG79R130H01 Q ty set PUMY P125VHM o Part Name F ST SCREW SEPARATOR VALVE BED ASSY LABEL MITSUBISHI E14 686 BASE ASSY 130 MOTOR SUPPORT E25 30L 655 HANDLE E13 658 COVER PANEL FRONT 658 COVER PANEL REAR E24 661 SIDE PANEL R E11 698 REAR GUARD E04 641 TOP PANEL E00 655 HANDLE E01 2 T7W E02 662 SIDE PANEL L 3 T7W E02 691 FAN GRILLE 4 T7W E02 667 FRONT PANEL 6 R01 7 RO1 9 R01 10 801 11 01 12 R01 13 T7W E03 668 SERVICE PANEL 15 R01 16 801 17 R01 87 13 2 FUNCTIONAL PARTS PUMY P125VHM NO 7 E y y D A EREDA 77 oom gio 0 573 LP NSS We COR SLT P p 2 2 ay WAS 229 2 ZG s gt
16. Thermistor lt Low pressure saturated temperature gt TH6 Thermistor lt Outdoor gt 7 Thermistor 15 3 B constant 3480 2 1 1 2734 273 OC 15kQ 30C 4 3 10C 96kQ2 40C 3 0kQ 20C 6 25C 5 2 0 Medium temperature thermistor Heatsink temperature thermistor TH8 Rt 15exp 3480 Thermistor R50 17kQ 296 B constant 4170 396 Rt 17exp 4170 180kQ 25 C 50kQ 50 C 17kQ 70 C 8kQ 90 C 4kQ High temperature thermistor Thermistor lt Discharge gt TH4 Thermistor R120 7 465kQ 2 B constant 4057 2 Rt 7 465exp 4057 D 273 t 393 20C 250kQ 70 C 34kQ 30C 160 0 80 C 24kQ 40C 104kQ 90C 17 5kQ 70kO 100 13 0kQ 60C 48kQ 98 0 HIGH PRESSURE SENSOR SENSOR 60 50 40 30 s 820 10 20 10 0 10 20 30 40 50 Temperature 200 150 8 75 100 8 tc 50 25 50 75 100 110 125 Temperature 500 400 S 300 8 E 8 200 100 0 25 50 75 100 120 Temperature MULTI CONTROLLER BOARD 5V DC Q Output Vout DC 9 9 TEST POINT DIAGRAM Outdoor multi controller board PUMY P100VHM PUMY P125VHM PUMY P140VHM PUMY P100VHMA PUMY P125VHMA PUMY P140VHMA PUMY P100V
17. 100 3 530 Dimensions HxWxD mm in 950 37 3 8 mm in 330 30 13 1 3 16 mm in 1 350 53 1 8 Weight kg Ibs 127 280 Refrigerant R410A Charge kg lbs 8 5 18 7 Oil Model L 2 3 VHM MEL56 VHMA FV50S Protection devices High pressure protection HP switch Compressor protection Discharge thermo Over current detection Fan motor protection Overheating Voltage protection Total Piping length Max 120 Farthest 80 Max Height difference 30 71 Chargeless length 50 Piping diameter Gas 15 88 5 8 Liquid 9 52 3 8 Guaranteed operation range Rating conditions JIS B 8616 Cooling Heating Indoor Indoor D B 27C W B 19 C Outdoor D B 35 C W B 20 C D B 20C Outdoor D B 7C W B 6 5 46C DB 72 15 15 WB In case of installing outdoor unit lower than indoor unit 2 10 46 In case of connecting PKFY P20 P25 type indoor unit 3 Electrical data is for only outdoor unit Note 1 20m 7 5 DATA 5 1 COOLING AND HEATING CAPACITY AND CHARACTERISTICS 5 1 1 Method for obtaining system cooling and heating capacity To obtain the system cooling and heating capacity and the electrical characteristics of the outdoor unit first add up the ratings of all the indoor units connected to the outdoor unit see table below and
18. aul ye asjnd Buiuedo A31 291 110010 ye Buiuedo A31 991 11110001 Ajeuuouqe Jo HS 25 10 ejdsiq 6 666 6 66 Aejap HS OS 801 11110000 22 Kelp yreuuouqe 5 05 29 O ye 5 25 901 LLLOLLLO yjeuuouqe eun 400pu s nd Buiuedo Aejds q Aejap Aujeuuouge asind A31 891 LLLOLLOL Agjap Aupeuuouqe ye asind A31 291 LELOLLOO Aejap Aujeuuouge ye asind A31 991 LLLOLOLL eyep Jobe olluoo jo Ae dsiq 0 1 0 0 WHS WOS 5 5 1 891 LLLOLOLO HS OS 18618 LLLOLOOL Oo HS OS 1 921 11101000 HS OS 1 jo e dsiq HS 1 5 28 joooqns Buneeu 6uunp 6 666 6 66 HS OS 821 00 5 25 491 LLLOOLLO HS OS 921 LLLOOLOL 2S 100pino pue 10 51 eunsseJd uDiu eyep Kejdsiq 0 s y jou si ueuM 6 666 6 66 ZH 801 LLLOOLOO 291 110001 exe 991 1100010 821 11100001 11100000 991 5 821 LLOLELLO
19. mm diameter R410A R22 dimensions inch k Dimension B Flare nut dimensions Nominal Outside mm Dimension B diameter R410A R22 1 4 6 35 9 1 9 0 17 0 17 0 3 8 9 52 13 2 13 0 22 0 22 0 1 2 12 70 16 6 16 2 5 8 15 88 19 7 19 4 26 0 24 0 3 4 Gauge manifold 19 05 Air purge refrigerant charge Charge hose and operation check 23 3 Tool exclusive for R410A Tool exclusive for R410A Gas leak detector Gas leak check Tool for HFC refrigerant Refrigerant recovery equipment Refrigerant recovery Tool exclusive for R410A Refrigerant cylinder Refrigerant charge Tool exclusive for R410A Applied oil Apply to flared section Ester oil ether oil and alkylbenzene oil minimum amount Ester oil ether oil O Alkylbenzene oil minimum amount Safety charger Charge valve Prevent compressor malfunction when charging refrigerant by spraying liquid refrigerant Prevent gas from blowing out when detaching charge hose Tool exclusive for R410A Tool exclusive for R410A x x x Vacuum pump Vacuum drying and air purge Tools for other refrigerants can be used if equipped with adop ter for reverse flow check A Usable if equipped with adopter for rever se flow A Usable if equipped with adopter for rever se flow Flare tool Flaring w
20. 1102 Discharge temperature trouble Check delay code 1202 1300 Low Pressure trouble Check delay code 1400 1302 High pressure trouble Check delay code 1402 1500 Excessive refrigerant replenishment Check delay code 1600 1501 Insufficient refrigerant trouble Check delay code 1601 1505 Vacuum operation protection 2500 Water leakage 2502 Drain pump trouble 2503 Drain sensor trouble THd 4100 Overcurrent trouble Overload compressor lock Check delay code 4350 4115 Power synchronization signal trouble Check delay code 4165 4220 Inverter trouble Check delay code 4320 4230 Overheat protection of radiator panel Check delay code 4330 4250 Power module trouble or Overcurrent trouble Check delay code 4350 4400 Fan controller trouble Outdoor Check delay code 4500 5101 Air inlet sensor trouble TH21 or Discharge temperature sensor trouble TH4 Check delay code 1202 5102 Liquid pipe temp sensor trouble TH22 or Low pressure saturated temp sensor trouble TH6 Check delay code 1211 5103 Gas pipe temperature sensor trouble TH23 5105 Piping temperature sensor trouble Check delay code 1205 5106 Outdoor temperature sensor trouble TH7 Check delay code 1221 5110 Heatsink temperature sensor trouble TH8 Check delay code
21. 72 s1ojsiuueui HS OS Aejdsiq yjeuuouqe euim siolsiuu ul pue Josues Jo Ae dsiq 6 666 6 66 jo euin HS OS 601 010010 jo euin HS OS 721 11010001 jo euin HS OS 601 11010000 jo euin HS OS 201 LLOOLLEL yeuuouge jo aw HS OS 101 LEOOLLLO ypeuuouqe Jo eun ye J0sues gH I 1001100 Kypeuuouqe Jo je sosuas EH 1100101 S S Kypeuuouqe 0 je 105195 9H 001010 J ilguuouqe jo eui je Josues pH 11001001 ejep 10095 9 55910 11001000 Kypeuuouqe 0 400pur s nd 000 0 0 0 ypeuuouqe Jo eun esind A31 82 1100011 ypeuuouqe 0 eui esind A31 790 LE000LLO ypeuuouqe Jo eun ye esind A31 29 11000101 yjeuuouqe jo euin s nd A31 29 11000100 yjeuuouqe jo s nd A31 121 1100001 ypeuuouqe euin 0915 ue jo Aejdsiq 9 44 0 euin ye dejs 110000
22. T7W REACTOR DCL T7W POWER CIRCUIT BOARD P B T7W ACT MODULE ACTM T7W MAIN SMOOTHING CAPACITOR CB R01 THERMISTOR OUTDOOR PIPE TH3 R01 THERMISTOR DISCHARGE TH4 R01 THERMISTOR HEATSINK TH8 R01 FUSE 250V 6 3A 89 N e a lt M M M lt lt lt lt 21 2 14 PARTS LIST 14 1 FUNCTIONAL PARTS PUMY P100VHM PUMY P125VHM PUMY P140VHM EX TEL J l4 SS PYN 4 CA JA Z lt lt WA ERM El p NNI D W S SED NND F I RS gt SCAN 0 WA y 90 Part numbers that are circled are not shown in the figure Part No Part Name Specification Q ty set PUMY P100 125 140VHM Remarks Drawing No Wiring Diagram Symbol Recom mended Q ty E44 FAN MOTOR 2 MF1 2 E08 PROPELLER FAN E09 NUT E14 CHARGE PLUG 2 2 2 O O RoHS 415 COMPRESSOR Including RUBBER MOUNT STOP VALVE 3 8 BALL VALVE 5 8 STRAINER ACCUMULATOR OIL SEPARATOR CAPILLARY TUBE 92 5 00 8
23. 255 High pressure switch 8 B E 2 6 16V DC 2 No ziva Lt CN3D ue F m CNAC 5 Power supply for multi vu 3 L b controller board er RRR TH4 Thermistor ame 95 fois lt Discharge gt B T Es 4 a NESA 47 E B eR Thermistor gl i Z A s Outdoor pipe 9 D Y OS CG mom 4 NE F1 F2 7 6 Thermistor B J ea m FUSE 6 3A Outdoor Saturationtem JA E 26 perature of suction pressure 9 L 7 E 4 2 E 54 lt gt Bypass valve 63HS 4 mL lin 1 gt 5 8 High pressure sensor x E aa 2154 H 6 BD lt FP O 5 eJ e 4 way Vra oes 3 R z Voltage between left pins of RP azur 1 its PC511 and PC512 pint and i 9 pin2 Ald CoS Same as CNF1 2 gt om o Tas 188 Vcc TEST POINT w Ja e Voltage between pins of 6 109 fo 8 C82A DC15V a Jis Same as CNF1 2 RENE 2 5 555 Q0 52C x 7 52 signal CNF1 2 TEST POINT MT Voltage between pins of Connect to
24. 3H v 14 uonouuoo edid svo S 1oN JO JE 091 0001 01 01 oJ uonejeisui eui u SI sejnoed Jo uonue dx3 5 941 7 51108 39795 39835 2 y 39vds 3883 H 99 zl 26 noxoouy lou Shi 022 0 26 SG fae SIN aloy ta e in 23 21 i lt fF us 26 i a 269 jar A co ex 4 ejou esy a insi lou Buidid 2 or Gp Or SZ Sp Or ejou gt rw Iddns noyoouy 0 a104 4y 29 2
25. 481 es Wi 27 Z AA R KE KK AP AA AA APA API AA 88 Part numbers that are circled are not shown in the figure Part No Part Name Q ty set Specification PUMY P125VHM Remarks Drawing No Wiring Diagram Symbol Recom mended Q ty R01 E44 FAN MOTOR 2 1 2 R01 E01 PROPELLER FAN R01 E02 NUT R01 E06 CHARGE PLUG 2 2 2 T97 410 COMPRESSOR Including RUBBER MOUNT R01 E09 STOP VALVE 3 8 R01 BALL VALVE 5 8 R01 STRAINER R01 ACCUMULATOR R01 OIL SEPARATOR R01 CAPILLARY TUBE 2 5 40 8 1000 T7W H P SENSOR 63HS R01 LOW PRESSURE SWITCH 63L R01 BYPASS VALVE T7W SOLENOID VALVE COIL lt BYPASS VALVE gt SV1 T7W SOLENOID COIL lt FOUR WAY VALVE 2154 R01 4 WAY VALVE R01 THERMISTOR TH6 7 R01 HIGH PRESSURE SWITCH 63H T7W HEAT EXCHANGER T7W CONTACTOR 52C T7W TERMINAL BLOCK 3P L N TB1 T7W NOISE FILTER CIRCUIT BOARD N F R01 MULTI CONTROLLER CIRCUIT BOARD MULTI B T7W TERMINAL BLOCK 3P M1 M2 S TB3 TB7 R01 TRANSMISSION POWER BOARD M P B T7W RESISTOR RS
26. Check facility of power supply Correct the wiring U V W phase to compressor Check compressor Replace outdoor power circuit board Abnormal point and detecting method Causes Check points Overvoltage or voltage shortage Abnormal if any of followings are detected during compressor operation Decrease of DC bus voltage to 310V Instantaneous decrease of DC bus voltage to 200V Increase of DC bus voltage to 400V Decrease of input current of outdoor unit to 0 1A only if operation frequency is more than or equal to 40Hz or compressor current is more than or equal to 6A Decrease of power supply voltage Disconnection of compressor wiring Defective 52C Defective ACT module Disconnection or loose connection of CN5 on the outdoor power circuit board amp Defective 52C drive circuit of outdoor power circuit board Disconnection or loose connection of CN2 on the outdoor power circuit board Defective ACT module drive circuit of outdoor controller circuit board 9 Disconnection or loose connection of CNAF Check the facility of power supply Correct the wiring U V W phase to compressor Outdoor power circuit board VHM Replace 52C VHMA Replace noise filter circuit board Including 52C Replace ACT module Check CN5 wiring on the outdoor power circuit board Replace outdoor power circuit board Check CN2 wiring on the outdoor pow
27. moe INDOOR UNIT ADDRESS NO Type of unit is displayed Flashing 88 indicates entry error b Paired Settings off the remote controller Press the remote controller s ON OFF button to turn it off the indicator light will go off e Put in indoor unit address display mode Press the FILTER and buttons on the remote controller simultaneously and hold for 2 seconds The above steps are the same as a Group settings Changing to the linked operation unit address display state The display shown in Figure 4 will appear when the 210 button on the remote controller is pressed Displaying the address of the Lossnay unit and linked indoor unit In this situation the indoor unit number will be the lowest address of the group The Lossnay unit will not operate if this setting is incorrect the temperature adjustment C4 2C v buttons are pressed the address may be changed to the indoor units that are to be linked f the time setting C4 2C v buttons are pressed the address of the linked units may be changed to the address where itis desired to enter the Lossnay Linking the Lossnay and the indoor unit The display shown in Figure 5 will appear when the TEST RUN button is pressed The indoor unit whose address is displayed and the Lossnay unit with a linked address will operate in a linked manner If it is desired to display the address of the Lossnay in the indoor unit address display the indoor unit ad
28. 22 1 0 1 0 20 25 18 INDOOR 16 0 8 D B C 0 8 INDOOR W B gt 0 6 0 6 0 4 14 Heating Cooling Power 14 INDOOR Power 12 22 consumption lt D B C gt consumption g2 ratio 1 2 a ratio 18 1 0 Ne 16 15 INDOOR a lt W B C gt 0 8 0 8 0 6 0 6 0 4 0 4 5 0 10 20 30 40 46 15 Outdoor lt D B gt Outdoor lt W B C 15 5 3 2 Correcting Capacity for Changes in the Length of Refrigerant Piping 1 During cooling to obtain the ratio and the equivalent piping length of the outdoor units rated capacity and the total in use indoor capacity first find the capacity ratio corresponding to the standard piping length from Figure 3 and then multiply by the cooling capacity from Figure 1 to obtain the actual capacity 2 During heating to find the equivalent piping length first find the capacity ratio corresponding to standard piping length from Figure 3 and then multiply by the heating capacity from Figure 2 to obtain the actual capacity 1 Capacity CORRECTION CURVE Figure 3 Cooling Heating TTT EEE Heating 100 125 140 95 models 90 8 gt 85 2 Cooling 100 model 80 5 Cooling 125 model
29. Cooling P140 model 70 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 m Corrected pipe length 2 Method for Obtaining the Equivalent Piping Length Equivalent length for type 100 125 140 length of piping to farthest indoor unit 0 3 x number of bends in the piping m Length of piping to farthest indoor unit type P100 P140 80m 5 3 3 Correction of Heating Capacity for Frost and Defrosting If heating capacity has been reduced due to frost formation or defrosting multiply the capacity by the appropriate correction factor from the following table to obtain the actual heating capacity Correction factor diagram Outdoor Intake temperature W B C Correction factor 16 5 4 NOISE CRITERION CURVES PUMY P100VHM MODE 5 LINE PUMY P100VHMA BS 2000499 HEATING 51 o e 90 J J j S E E 1 1 1 2 1 1 1 1 S 80 3 1 e 3 3 F 1 1 ROS 4 4 E a 3 3 m 70 i 1 T 4 5 RYE ELE C i88 mE f 1 3 F E 1 INC 60 F 50 i E tc E 3 3 2 k 1 JNC 50 o B r i RI 40 F Y 3 NC 40 i ANS ae 30 i o F r 3 1 a N NN de dE j F l
30. This error is ignored in case of SW7 1 ON 1 Disconnection of compressor wiring 2 Defective circuit of current sensor on outdoor power circuit board D Correct the wiring U V W phase to compressor Outdoor power circuit board Replace outdoor power circuit board Duplex address error Detected error when transmission of unit with the same address is confirmed Note Address Attribute displayed on the remote controller shows the controller detecting abnormality 1 There are 2 units or more with the same address among the outdoor unit or indoor unit or lossnay controller remote controller 2 When noise has occurred in the transmission signal and the signal has changed Look for the unit which is source of abnormality with the same address When the same address is found correct the address and turn off power supply of outdoor unit indoor unit and lossnay for 2 minutes or more as the same time Then turn on power supply Check the transmitted wave and the noise on the transmission line Transmission processor H W error 1 is shown on the transmission line though the transmission processor transmitted 0 Note Address Attribute displayed on the remote controller shows the controller detecting abnormality 1 When the wiring for either of the indoor unit the outdoor unit or lossnay transmission line is constructed or polarity is changed with the power supply turne
31. e Silent CN51 Distant control board Relay circuit External output adapter PAC SA88HA E Lamp power supply Procure locally Max 10m Outdoor unit control board Li Error display lamp L2 Compressor operation lamp X Relay standard of 0 9W less for 12 X Y Relay DC1mA Remote control panel Relay circuit External input adapter PAC SC36NA Outdoor unit control board Relay power supply Procure locally Max 10m ON OFF SW1 Heating Cooling SW2 Validity of SW1 Invalidity of SW1 Remote control panel Relay circuit External input adapter PAC SC36NA Outdoor unit control board Relay power supply Procure locally Max 10m ON OFF Swi Heating Cooling SW2 Validity of SW1 Invalidity of SW1 The silent mode and the demand control are selected by switching the Dip switch 8 1 on outdoor controller board It is possible to set it to the following power sonsumption compared with ratings by setting SW1 2 Outdoor controller board DIP SW8 1 SW1 SW2 Function Silent mode OFF ON Silent mode operation Demand control ON OFF OFF 100 Normal ON OFF 75 ON ON
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33. 1000 SENSOR 63HS LOW PRESSURE SWITCH 63L BYPASS VALVE SOLENOID VALVE COIL BYPASS VALVE SV1 SOLENOID COIL FOUR WAY VALVE 2184 FOUR WAY VALVE THERMISTOR TH6 7 HIGH PRESSURE SWITCH 63H HEAT EXCHANGER CONTACTOR 52C TERMINAL BLOCK L N TB1 NOISE FILTER CIRCUIT BOARD N F MULTI CONTROLLER CIRCUIT BOARD MULTI B TERMINAL BLOCK 3P M1 2 S TB3 TB7 TRANSMISSION POWER BOARD M P B RESISTOR RS REACTOR DCL POWER CIRCUIT BOARD P B ACT MODULE ACTM MAIN SMOOTHING CAPACITOR CB THERMISTOR OUTDOOR PIPE TH3 THERMISTOR DISCHARGE TH4 THERMISTOR HEATSINK TH8 O O O O O O O O O O O GO O GO O O O O O O O O GO O FUSE 250V 6 91 N 5 5 4 21 2 FUNCTIONAL PARTS PUMY P100VHMA PUMY P125VHMA PUMY P140VHMA PUMY P100VHMA BS PUMY P125VHMA BS PUMY P140VHMA BS 19 18 17 16 15 14 13 12 11 10 Part numbers that are circled are not shown in the figure Q ty set Remarks Wiring Recom Part Name Specifications PUMY P1 mun 125 140 Drawing No Diagram mended ee VHMA BS Symbol Q t
34. 1214 5201 Pressure sensor trouble 63HS Check delay code 1402 5300 Current sensor trouble Check delay code 4310 6600 Duplicated unit address setting Only M NET Remote controller is detected 6602 Transmission error Transmission processor hardware error Only M NET Remote controller is detected 6603 Transmission error Transmission route BUSY Only M NET Remote controller is detected 6606 Transmission and reception error Communication trouble with transmission processor O O O OO JO JO OOJOO0 O JO OJOO O OO Only M NET Remote controller is detected 6607 Transmission and reception error No ACK error Only M NET Remote controller is detected 6608 Transmission and reception error No responsive frame error Only M NET Remote controller is detected 6831 MA communication receive signal error no receive signal Only MA Remote controller is detected 6832 MA communication send signal error starting bit derection error Only MA Remote controller is detected 6833 MA communication send error H W error Only MA Remote controller is detected 6834 MA communication receive error Synchronous recovery error OO O Only Remote controller is detected 7100 Total capacity error 7101 Capacity code error O OOO 7102 Connecting unit nu
35. 19 9 133 13 30 15 13 4 33 4 73 20 0 21 9 19 1 20 9 18 3 20 0 134 13 40 15 25 4 38 4 77 20 2 22 0 19 4 21 1 18 6 20 2 135 13 50 15 38 4 42 4 80 20 4 22 2 19 5 21 2 18 7 20 3 136 13 60 15 50 4 46 4 84 20 6 22 4 19 7 21 4 18 9 20 5 137 13 70 15 63 4 51 4 88 20 8 22 6 19 9 21 6 19 1 20 7 138 13 80 15 75 4 55 4 92 21 0 22 7 20 1 21 7 19 3 20 8 139 13 90 15 88 4 60 4 96 21 3 22 9 20 3 21 9 19 5 21 0 140 14 00 16 00 4 64 5 00 21 4 23 1 20 5 22 1 19 7 21 2 141 14 10 16 13 4 69 5 03 21 7 23 2 20 7 22 2 19 9 21 3 142 14 20 16 26 4 74 5 07 21 9 23 4 21 0 22 4 20 1 21 5 143 14 30 16 40 4 78 5 11 22 1 23 6 21 1 22 6 20 3 21 6 144 14 40 16 53 4 83 5 15 22 3 23 8 21 4 22 8 20 5 21 8 145 14 50 16 66 4 87 5 19 22 5 24 0 21 5 22 9 20 6 22 0 13 Total capacity of indoor units Capacity kW Power Consumption kW Current A 220V Current A 230V Current A 240V Cooling Heating Cooling Heating Cooling Heating Cooling Heating Cooling Heating 5 3 CORRECTING COOLING AND HEATING CAPACITY 5 3 1 Correcting Capacity for Changes in Air Conditions 1 The performance curve charts Figure 1 2 show the change ratio of capacity and input power consumption according to the i
36. 3 14 3 16 5 13 7 15 8 107 10 70 11 94 3 27 3 78 15 1 17 5 14 5 16 7 13 9 16 0 108 10 80 12 05 3 31 3 81 15 3 17 6 14 6 16 8 14 0 16 1 109 10 90 12 17 3 35 3 85 155 17 8 14 8 17 0 14 2 16 3 110 11 00 12 28 3 39 3 88 15 7 17 9 15 0 17 2 14 4 16 4 111 11 10 12 39 3 43 3 92 15 9 18 1 15 2 17 3 14 5 16 6 112 11 20 12 51 3 46 3 95 16 0 18 3 15 3 17 5 14 7 16 7 113 11 30 12 63 3 50 3 99 16 2 18 4 15 5 17 6 14 8 16 9 114 11 40 12 75 3 54 4 03 16 4 18 6 15 7 17 8 15 0 17 1 115 11 50 12 88 3 58 4 06 16 5 18 8 15 8 17 9 15 2 17 2 116 11 60 13 00 3 62 4 10 16 7 18 9 16 0 18 1 15 3 17 4 117 11 70 13 13 3 66 4 13 16 9 19 1 16 2 18 3 15 5 17 5 118 11 80 13 25 3 70 4 17 17 1 19 3 16 4 18 4 15 7 17 7 119 11 90 13 38 3 74 4 21 17 3 19 5 16 5 18 6 15 8 17 8 120 12 00 13 50 3 78 4 24 17 5 19 6 16 7 18 7 16 0 18 0 121 12 10 13 63 3 82 4 28 17 7 19 8 16 9 18 9 16 2 18 1 122 12 20 13 75 3 86 4 32 17 8 20 0 17 1 19 1 16 4 18 3 123 12 30 13 88 3 90 4 35 18 0 20 1 17 2 19 2 16 5 18 4 124 12 40 14 00 3 95 4 39 18 3 20 3 17 5 19 4 16 7 18 6 125 12 50 14 13 3 99 4 43 18 4 20 5 17 6 19 6 16 9 18 8 126 12 60 14 25 4 03 4 46 18 6 20 6 17 8 19 7 17 1 18 9 127 12 70 14 38 4 07 4 50 18 8 20 8 18 0 19 9 17 2 19 1 128 12 80 14 50 4 12 4 54 19 0 21 0 18 2 20 1 17 5 19 2 129 12 90 14 63 4 16 4 58 19 2 21 2 18 4 20 2 17 6 19 4 130 13 00 14 75 4 20 4 61 19 4 21 3 18 6 20 4 17 8 19 5 131 13 10 14 88 4 24 4 65 19 6 21 5 18 7 20 6 18 0 19 7 132 13 20 15 00 4 29 4 69 19 8 21 7 19 0 20 7 18 2
37. 50 OFF ON 0 Stop 57 9 7 HOW TO CHECK THE PARTS PUMY P100VHM PUMY P125VHM PUMY P140VHM PUMY P100VHMA PUMY P125VHMA PUMY P140VHMA PUMY P100VHMA BS PUMY P125VHMA BS PUMY P140VHMA BS Parts name Check points Thermistor Disconnect the connector then measure the resistance with a tester lt Outdoor pipe gt At the ambient temperature 10 C 30 Thermistor TH4 Discharge Normal Abnormal Thermistor TH6 Low pressure saturated 100 temperature gt TH3 Thermistor TH7 lt Outdoor gt THO TH7 Thermistor TH8 lt Heatsink gt TH8 39kQ 105kQ 4 3kQ 9 6kQ Open or short Fan motor MF1 MF2 Refer to next page Solenoid valve coil Measure the resistance between the terminals with a tester Four way valve At the ambient temperature 20 C 2184 Normal Abnormal 1435311500 Open or short Motor for compressor Measure the resistance between the terminals with a tester Winding temperature 20 Normal Abnormal 0 1880 Open short i 4 Measure the resistance between the terminals with a tester Solenoid u ye col At the ambient temperature 20 C Bypass valve SV1 Normal Abnormal 11971100 Open or short 58 Check method of DC fan motor fan motor outdoor controller circuit board Notes High voltage is applied to the connecter CN
38. 91 44 0 01000000 S ON 9 S r 2 eldsip 2 L 437 uo Aejdsiq Ke dsiq 8 9821 LMS 70 Aejap A31100o0pul Jo esjnd Buiuedo ejds q 000 0 Aejap asind A31 62 10000 Aejap esjnd A31 79 10000110 Aejap asind A31 9 1000010 esjnd A31 221 10000100 Aejap s jnd A31 121 100000 kejap ilguuouqg jo awn Jequinu days Jo fejdsiq 9 0 Aejap jo ye Jequunu 0915 uey 10000001 kejap Aupeuuouqe jo ye Aouanbay enjoe jo Kejdsiq 1 9 91 44 0 Aejap Aypeuuouge jo enjoy 10000000 10181 pue 10sues ejdsiq 6 666 6 66 010 9154 0117 00 O Sd 1osues eunsseid 6 666 6 66 ZHL 011100 13 9H1 OLLLLOLL edid OLLLLOLO PL PHL 0111100 ejep 1964 e jo 0 02 0 0 WHS WOS 501
39. Countermeasure against room temperature rise for indoor unit in FAN COOL and thermo OFF heating mode 55 Switch Function Operation in Each Switch Setting ON OFF When to Set Remarks 5 o o 5 SW6 function switching Switch of current limitation reading in a different way Before turning the power on Restriction of maximum frequency Enable Normal Ignore refrigerant filling abnormality Enable Normal Switching the target discharge pressure Pdm Enable Normal Switching 1 the target evaporation temperature ETm Enable Normal Switching 2 the target evaporation temperature ETm Enable Normal Can be set when off or during operation Initial Setting ON OFF 12345678 SW7 function switching Ignore current sensor abnormality Enable Normal Before turning the power on Forced defrost Forced defrost Normal During compressor running in heating mode Initial Setting ON OFF 123456 SW8 function switching Silent mode Demand Control Selection see next page Demand Control Silent mode Change of defrosting control Enable For high humidity 56 Normal Can be set when off or during operation Initial Setting ON OFF 12 9 6 OUTDOOR UNIT INPUT OUTPUT CONNECTOR e State CN51
40. HS OS 1 01110000 01 HS OS 100 221 HS OS 100 Jobe 000 9 vol 621 HS OS 100 201 LOI HS OS 100 080100 0 02 0 0 95 5S 1oopino 1962 00000 062 02 gt gt Ae dsip 13 01101010 0 02 0 6une u eldsip 01101001 jeeujedns abyeyosip 510 6 666 6 66 2 PHS 5 01004 HS OS 100 jo 05101 HS 5 28 joooqns Buunp 6666 6 66 2 HS OS 521 0100110 Oo HS OS 79 01100101 HS OS 621 01100100 2 5 25 021 01000 HS OS 01 01100010 deis oooqns 1969 jo b g d s 5 19612 010000 SOON 9 6 Y Aejdsip eui uo fejdsiq ejds q 82997501 MS 71 10 5 100 ejdsiq 26 52 p eldsip 511 jou s ueuM 4 6 666 6 66 529 821 1010000 529 ZO 1010000 529 991 10100000 529 SOI 52
41. Y62 G E 2 CMY Y64 G E 4 CMY Y68 G E 8 95 CHY MUCH 7 2 MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU 100 8310 JAPAN Copyright 2006 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Jun 2008 No OC376 REVISED EDITION C PDF 7 Distributed in Jan 2008 No OC376 REVISED EDITION B PDF 9 Distributed in Aug 2006 No OC376 REVISED EDITION A PDF 8 Distributed in Mar 2006 No OC376 PDF 9 New publication effective Jun 2008 Made in Japan Specifications subject to change without notice
42. after the detection of water leakage suspensive abnormality and repeats the detection twice lt 2500 gt is displayed The unit continues to detect abnormality while turned off To release water leakage suspensive abnormality When not detecting that the drain pump turns off and on within 1 hour after detecting suspensive abnormality When turning to cooling operation or dry operation Detected that liquid pipe temperature room temperature S 10deg 18 F Defective drain Clogged drain pump Clogged drain pipe Adverse flow of drain in other units Defective moving part of float switch Foreign matter on the moving part of float switch ex sludge etc Defective float switch Check the drain function Check moving part of float switch Check the value of resistance with the float switch ON OFF Operation mode When drain pump turns on as float switch detects to be in the water except during cooling dry mode 6 min 6 min Drain pump ON OFF Float switch ON 15 sec OFF A the water In the air lt 15 sec 15 sec In the water Water leakage suspensive abnormality A In the air I I 1 I I I I 9 15 sec A In the water Water leakage abnormality gt 1 Within 1 hour 37 Within 1 hour Abnormal point and detecting method
43. and connections 3 The wire size is the minimum value for metal conduit wiring The power cord size should be 1 rank thicker consideration of voltage drops Make sure the power supply voltage does not drop more than 10 4 Specific wiring requirements should adhere to the wiring regulations of the region 5 Power supply cords of parts of appliances for outdoor use shall not be lighter than polychloroprene sheathed flexible cord design 245 IEC57 For example use wiring such as YZW 6 Install an earth longer than other cables Warning Be sure to use specified wires to connect so that no external force is imparted to terminal connections If connections not fixed firmly it may cause heating or fire Be sure to use the appropriate type of overcurrent protection switch Note that generated overcurrent may include some amount of direct current Some installation site require attachment of earth leakage breaker If no earth leakage breaker is installed it may cause electric shock Do not use anything other than breaker and fuse with correct capacity Using fuse and wire or copper wire with too large capacity may cause a malfunction of unit or fire 10 2 WIRE DIAMETER AND MAIN POWER SWITCH CAPACITY 10 2 1 Wiring diagram for main power supply Breaker for Wiring and Current Leakage Power supply single phase sor 220 230 240V 60Hz 220V Grou
44. cause of displayed address and attribute is on the fresh master side The indoor unit detects when there is no reply ACK on transmitting from the indoor unit to the fresh master 5 When the cause of displayed address and attribute is on the lossnay side The indoor unit detects when there is no reply ACK on transmitting from the indoor unit to the lossnay 1 When operating with multi refrigerant system indoor units the indoor units transmits the signal to the remote controller after the other refrigerant system outdoor unit is turned off or turned on again in 2 minutes and detects abnormality 2 Contact failure of remote controller or indoor unit transmission cable 3 Indoor unit transmission connector CN2M disconnection 4 Sending receiving signal circuit failure in the indoor unit or remote controller 1 When synchronized operation with other refrigerant system fresh master the indoor units transmit the signal to the fresh master after the fresh master and same refrigerant system outdoor unit is turned off or turned on again in 2 minutes and detects abnormality 2 Contact failure of fresh master or indoor unit transmission cable 3 Indoor unit or fresh master transmission connector CN2M disconnection 4 Sending receiving signal circuit failure in the indoor unit or fresh master 1 When the lossnay power supply is Off the indoor unit detects abnormality at signal transmitting to the
45. equal to 15C even though linear expansion valve has minimum open pulse after compressor starts operating for 10 minutes Disconnection or loose connection of discharge temperature thermistor TH4 Defective holder of discharge temperature thermistor 36 Q9 Check the installation conditions of discharge temperature thermistor Abnormal point and detecting method Causes Check points Refrigerant shortage When the conditions of below detecting mode 1 or are satisfied during the compressor operation lt Detecting mode I gt When the below conditions are satisfied completely 1 Compressor is operating in HEAT mode 2 Discharge super heat is 80 or more 3 Difference of outer temperature thermistor TH7 and outdoor piping temp thermistor TH3 applies to the formula of TH7 TH3 lt 5 C 4 High pressure sensor is below about 2 04MPa lt Detecting mode gt When the below conditions are satisfied completely 1 Compressor is operating 2 When cooling discharge super heat is 80 G or more When heating discharge super heat is 90 or more High pressure sensor is below about 2 32MPa Gas leakage Gas shortage When heating operation scant refrigerant operation When heating air flow or thermo OFF are mixed operation it cause a refrigerant shortage operation Ball valve performance failure not full opened Error detection
46. fan motors Voltage between pins of CNDC C515 and C516 DC280V 350V C510 DC280V 350V DC280V 350V DCOV when stopped DC15V Same as CNF1 2 O DC1 6 5V when operated DC0 6 5V Same as CNF1 2 DC15V when stopped DC0 15V pulse when operated 61 Outdoor power circuit board PUMY P100VHM PUMY P125VHM PUMY P140VHM PUMY P100VHMA PUMY P125VHMA PUMY P140VHMA PUMY P100VHMA BS PUMY P125VHMA BS PUMY P140VHMA BS CN2 Connect to the outdoor controller circuit board CN2 Transmitting signal to the outdoor controller circuit board 0 5V DC Zero cross signal 0 5V DC Brief Check of POWER MODULE Usually they are in a state of being short circuited if they are broken Measure the resistance in the following points connectors etc If they are short circuited it means that they are broken 1 Check of POWER MODULE Check of DIODE circuit T IP1 15 IN1 T IN1 Check of IGBT circuit 2 2 P2 W N2 UJ 2 N2 IW Note The marks L N INT 1 2 0 V and W shown in the diagram are not actually printed on the board CNDC 280V 350V DC 4 Connect to the outdoor con troller cir
47. group of indoor units This must be in sequence with the IC Main IC Sub 001 to 050 Use the smallest address of all the 051 to 100 indoor units plus 50 Outdoor Unit Set at an IC Main address within the same group plus 100 Main Remote Controller 10110130 Set at an IC Main address within the same group plus 150 Sub Remote Controller 151 to 200 d Use the indoor unit IC within the group with the most functions as the IC Main unit Combinations of 1through 3 above are possible 24 Name Symbol and the Maximum Remote controller Units for Connection Name Maximum units for connection Outdoor unit Indoor unit 1 OC unit can be connected to 1 8 IC units P100 1 6 IC units MENE Tremote Maximum 2 RC for 1 indoor unit Maximum 16 RC for 1 OC Permissible Lengths Prohibited items Longest transmission cable length 1 25 mm L1 L2 L2 L3 L3 L1 200m Remote controller cable length 1 If 0 5 to 1 25 mm 1 2 S10m 2 If the length exceeds 10 meters the exceeding section should be 1 25 mm and that section should be a value within the total extension length of the transmission cable and maximum transmission cable length L3 M NET remote controller RC and MA remote controller MA cannot be used together Do not connect anything with TB15 of indoor unit IC Same as above Use the indoor unit IC add
48. jeeu LL Duidid 10014 c 10 I8ued 10 puna uoissiuusueJ 10 uonisod Buppew H9 Iddns 104 096 JO4 JYBIY UOISSIUISUEJ OY 104 9 A ddns y 10O3 U 1 purwa pueH Fas OL uomepuno PAC 2 z 8c 0 98 15 Lv 0 6 oee 1593 uonel elsul 009 GLI OLN padeys N Z PUMY P100VHMA BS PUMY P125VHMA BS PUMY P140VHMA BS 2 2 lou jddns samog 20 104 10 2 diy 1P H lou Buidid lou lddns S rejoq 1noxoouyM 10 pueH uou 8 9 88 5 FATWA 4015 JO uogeoipul you 8 2 28 6 3t v13 uonoeuuoo edid 4 edid Sy5
49. seconds to return to the normal mode 3 Clearing an address Refer to section 1 regarding the address entry and section 2 regarding checking addresses a In making group settings Turn off the remote controller The procedure is same as a in 2 Address check Put into the indoor unit address display mode The procedure is same as a in 2 Address check Displaying the indoor unit address to be cleared The procedure is same as a in 2 Address check e Clearing indoor unit address Pressing the 6 6 button on the remote controller twice will clear the address entry of the displayed indoor unit resulting in the display shown in Figure 6 The display shown in Figure 7 will appear if an abnormality occurs and the entry is not cleared Please repeat the clearing procedure Returning to the normal mode after clearing an address The procedure is same as a in 2 Address check Figure 6 Display after address has been Figure 7 Display when an abnormality cleared normally has occurred during clearing 1 4 INDOOR UNIT ADDRESS NO mee INDOOR UNIT ADDRESS NO 7 will appear in the room temperature 88 will appear in the room temperature display location display location b In making paired settings Turn off the remote controller The procedure is same as b in 2 Address check Put into the indoor unit address display mode The procedure is same as b i
50. the right side panel 8 Remove 3 separator fixing screws 4 x 10 and remove the separator 9 Recover refrigerant 10 Remove the 3 compressor fixing nuts for motor using spanner or adjustable wrench 11 Remove the welded pipe of motor for compressor inlet and outlet and then remove the compressor Note Recover refrigerant without spreading it in the air Photo 11 Valve bed Valve bed fixing Screw PED bed fixing j Screws lt Compressor Accumulator MO Separator Separator fixing screw fixing nut 13 Removing the accumulator 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Remove 2 front cover panel fixing screws 5 x 10 and remove the front cover panel See photo 3 4 Remove 2 back cover panel fixing screws 5 x 10 and remove the back cover panel 5 Remove the electrical parts box See photo 4 6 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x16 and then remove the valve bed 7 Remove 3 right side panel fixing screw 5 x 10 in the rear of the unit and then remove the right side panel 8 Recover refrigerant 9 Remove 4 welded pipes of power receiver inlet and outlet 10 Remove 2 receiver leg fixing screws 4 x 10 See photo 13 Note Recover refrigerant without spreading it in the air Photo 13 Accumulator leg fixing screws 86 t ian RoHS
51. the terminal block TB1 63 Outdoor noise filter circuit board PUMY P100VHMA PUMY P125VHMA PUMY P140VHMA PUMY P100VHMA BS PUMY P125VHMA BS PUMY P140VHMA BS CN5 52C driving signal Connect to the outdoor controller circuit board CNLVB is RS1 C DIP LO NO Voltage of 220 240V AC is out put Connect to the outdoor power Osam O O um3 O Osa Oo 220 240V 2 Connect to the outdoor control circuit board ler circuit board 2 CE CNAC1 E 220 240V AC 2 Connect to the M NET power ion E2 circuit board Connect to the earth CN5 Primary current El Connect to the Connect to outdoor power the earth circuit board CN5 Voltage of 220 240V AC is input Connect to the terminal block TB1 64 Transmission power board P140VHM PUMY P140VHMA PUMY P140VHMA BS PUMY PUMY P125VHM PUMY P125VHMA PUMY P125VHMA BS PUMY P100VHM PUMY P100VHMA PUMY P100VHMA BS CN2 Connect to the outdoor multi controller board 24 30V DC 24 30V DC CN1 Connect to the outdoor noise filter circuit board 220 240V yi 092 65 Active filter module P N1 Connect to the out PUMY P100VHM Non connect door ircui power circuit PUMY P125VHM PUMY P140VHM 1112 Connect to the D
52. then use this total to find the standard capacity with the help of the tables on 5 2 STANDARD CAPACITY DIAGRAM 1 Capacity of indoor unit Model Number for indoor unit Model 15 Model 20 Model 25 Model 32 Model 40 Model 50 Model 63 Model 71 Model 80 Model 100 Model 125 Model 140 Model Capacity 2 Sample calculation DSystem assembled from indoor and outdoor unit in this example the total capacity of the indoor units is greater than that of the outdoor unit e Outdoor unit PUMY P125VHM Indoor unit PKFY P25VAM E x 2 PLFY P50VLMD E x 2 According to the conditions in the total capacity of the indoor unit will be 28 x 2 56 x 2 168 The following figures are obtained from the 168 total capacity row of 5 2 STANDARD CAPACITY DIAGRAM Capacity KW Outdoor unit power consumption IW Outdoor unit current A 230V Cooling Heating Cooling Heating Cooling Heating 14 60 16 33 4 39 3 99 19 4 17 6 5 1 2 Method for obtaining the heating and cooling capacity of an indoor unit model capacity total model capacity of all indoor units 1 The capacity of each indoor unit KW the capacity or x 2 Sample calculation using the system described above in 5 1 1 2 During cooling During heating The total model capacity of the indoor unit is The total model capacity of indoor unit is 2 8 X 2 5 6 2 16 8kW 3 2 x 2 6 3 x 2219 0 There
53. 01 ypeuuouqe 0 eui ye AQuanbay ene 0 Aejdsiq ypeuuouqe euin Aouanbay jenjoy 11000000 J9AQ uuoosip 48PUN iosuas 19 Ajoysiy 1013 0227 LOLLLLOL edid pinbi Jo Aejdsig 2 se peKejdsip s 1 pejoeuuoo jou SI 100pur 94 ueuM 6666 6 66 821 10110100 20 LOLLOOLL 901 0110010 pinbr 90 10110001 70 LOLL0000 pinbi1 LOLOLLLL LOLOLLLO pinbr 12 LOLOLLOL 10 epoo wns Kejdsiq wing LOLOLLOO WOH 10 eldsiq 99 WOH LOLOLOLL 10 uosa Aejdsiq UOISJ8A LOLOLOLO S ON BERE Aejdsip z uo Aejdsiq Aejdsiq LMS 73 Kypeuuouqe JO euin HS OS 40 fe dsiq 6 666 6 66 Ayeuuouge HS OS 821 LLLLOLLO Aypeuuouge 1e HS OS 19 110101 Oo Ayjewouge HS OS 901 LLLLOLOO ye jo asjnd Aejdsiq Jo euin ye esind A31 89 LLLLOOLL
54. 1 minute Failure in the operation of the DC fan motor Failure in the outdoor circuit controller board Check or replace the DC fan motor 9 Check the voltage of the outdoor circuit controller board during operation 9 Replace the outdoor circuit controller board when the failure is still indicated even after performing the check points above Display Abnormal point and detecting method Causes Check points 5101 Room temperature thermistor TH21 When controller detects short high temp open low temp in thermistor during the operation the operation stops and the operation changes to protect mode of restarting in 3 minutes If the thermistor does not recover in 3 minutes the operation stops due to detecting abnormality In this time 5101 is displayed Then if the thermistor recover in 3 minutes it operates normally Short Detected 90 or more Open Detected 40 C or less Connector CN20 contact failure Thermistor wiring disconnection or half disconnection Thermistor failure Detecting circuit failure in the indoor controller board Check whether the connector 20 in the indoor controller board is connected or not Check whether the thermistor wiring is disconnected or not Check the resistance of thermistor 0 C 15kO 10 C 9 6kO 2092 6 3092 4 40 3 0 When there is problem in abov
55. 2C gt FOR CENTRALIZED 2 Symbol of Board is CNLVB CONTROL 4 18 2 55 Connector Connection For Option gt Nor polar Dd 4 25 CN3D Connector lt Connection For Option gt In 1 552 28 CN3S Connector lt Connection For Option gt H I n CN3N Connector Connection For Option gt 1211 6 c CN51 Connector Connection For Option RED PH 9 HED gt BLK LED1 LED2 LED lt Operation Inspection Display gt T N20 U 10 Ell 77 LED3 LED lt Power Supply to Main Microcomputer gt POWER SUPELY 5 i WHT 1 2 Fuse lt T6 3AL250V gt JN 230V 50Hz 3 X501 505 Relay 1 E M NET Power Circuit Board x Lio RED TP1 ConnectionTerminal lt Ground gt y RUNE BHU En GRNIYLW MODEL SELECT 1 0N owe MODELS 273741516 PUMY P100VHMA 0110010 PUMY P125VHMA 0110001 PUMY P140VHMA 0 11010 11 Cautions when Servicing AN WARNING When the main supply is turned off the voltage 340 V in the main capacitor will drop to 20 V in approx 2 minutes input voltage 240 V When servicing make sure that LED1 LED2 on the outdoor circuit board goes out and then wait for at least 1 minute Components other than the outdoor board may be faulty Check and take corrective action referring to the service manual Do not replace the outdoor board without checking NOTES 1 Refer to the wiring
56. 3 is displayed Then if the thermistor recover in 3 minutes it operates normally Short Detected 90 more Open Detected 40 C or less 1 Connector CN29 contact failure 2 Thermistor wiring disconnection or half disconnection 3 Thermistor failure 4 Detecting circuit failure in the indoor controller board Check whether the connector CN29 in the indoor controller board is connected or not Check whether the thermistor wiring is disconnected or not Check the resistance of thermistor 0 15 10 9 6 20 2 6 30 C 4 3kQ 40 C 3 0kQ When there is no problem in above mentioned OG replace the indoor controller board Pipe temperature judging defrost thermistor TH3 When controller detects short open in thermistor during the operation the outdoor unit stops once and restarts operation in 3 minutes When the detected temperature is normal at just before of restarting the outdoor unit restarts when controller detects short open in thermistor at just before of restarting the unit stops due to detecting abnormality In this time 5105 is displayed For 10 minutes after starting compressor for defrosting or for 3 minutes after recover of defrosting above mentioned short open are not detected Short 88 C or more 0 4kQ Open 39 C or less 115kQ 1 Connector TH3 contact failure 2 Thermistor wiring disconnection or hal
57. 4 Multi controller board input circuit failure Check whether the connector TH7 in the multi controller board is connected or not Check whether the thermistor wiring is disconnected or not Check the resistance of thermistor When the resistance is not below value replace the thermistor 0 C 15kQ 10 C 9 6kO 20 6 3 30 4 3 40 3 0 0 12345678 Set the SW1 to on a When the temperature in multi controller board is not an actual temperature replace the multi controller board 42 5 Open 91 9 Short Heatsink temperature thermistor TH8 internal thermistor of power module When controller detects short open in thermistor during the operation the outdoor unit stops once and restarts operation in 3 minutes When the detected temperature is normal at just before of restarting the outdoor unit restarts when controller detects short open in thermistor at just before of restarting the unit stops due to detecting abnormality In this time lt 5110 gt is displayed For 10 minutes after starting compressor for defrosting or for 3 minutes after recover of defrosting above mentioned short open are not detected Short 102 C or more Open 27 C or less 1 Connector TH8 contact failure 2 Thermistor wiring disconnection or half disconnection 3 Thermistor failure 4 Power board input circuit failure 44 Check whether the connector TH8 in t
58. 6 6 66 LZHL 991 exe LZHL OLOLLLLO Do LZHL LZHL OLOLLLOO 2 LOI OLOLLOLL Do pnb 82 OLOLLOLO Oo pinbr OLOLLOOL 2 pinbr zzH L 01011000 2 pinbr zzH L OLOLOLLL pinbri zzH L 101 0010110 00010 O se5 e2H 01010100 O SED EZHL EDI OLOLOOLL Oo SPO EZHL SOI 9 9 O SED EZHL 01010010 2 seo e2HL LOI 01010001 6 666 6 66 Do 01010000 Oo edid OLOOLLLO O OLOOLLOL O L3 9H 1 01001100 Oe PL PHL 0100101 105495 eunsseid u6ig 01001010 A31 100pul jo esind jo ejdsiq asind A31 91 01001001 A31 21 01001000 asind A31 0100011 A31 29 0100010 esind A31 101 01000101 sdeis e dsiq 91 0 Jequinu d ls JoopinO 01000010 05101 990 0 0100000 penye jo fejdsiq
59. 6 4 15 7 3 46 16 5 15 8 3 50 16 7 16 0 3 54 16 9 16 1 3 58 17 0 16 3 3 62 17 2 16 5 3 66 17 4 i 16 6 3 71 17 5 16 8 3 75 17 7 16 9 3 79 17 9 17 1 3 83 18 0 17 3 3 88 18 2 17 4 1 1 1 1 1 1 Total capacity of indoor units Capacity kW Cooling Heating Power Cons Cooling umption kW Heating Current A 220V Current A 230V Current A 240V Cooling Heating Cooling Heating Cooling Heating 12 5 2 3 PUMY P140VHM PUMY P140VHMA BS Before calculating the sum of total capacity of indoor units please convert the value into the kW model capacity following the formula on 5 1 1 Total capacity of Capacity kW Power Consumption kW Current A 220V Current A 230V Current A 240V indoor units Cooling Heating Cooling Heating Cooling Heating C
60. 832 To cancel remote controller diagnosis When the remote controller malfunctions Error display 1 NG flashes The remote controller s transmitting receiv ing circuit is defective The remote controller must be replaced with a new one SELF CHECK Ne pr Error display 3 ERC and the number of data errors are displayed Data error has occurred SELF The number of data errors 15 the difference between the number of bits sent from the remote controller and the number actually transmitted through the transmis 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 Transmission data on transmission path Press the CHECK button for 5 seconds or more Remote controller diagnosis will be cancelled PLEASE WAIT and operation lamp will blink After approximately 30 seconds the state in effect before the diagnosis will be restored 52 9 3 REMOTE CONTROLLER TROUBLE afa MITSUBISHI ELECTRIC CENTRALLY CONTROLLED ON OFF 96 H ET AEE Breve C C2 O B 0 Tat FER CD 6556 Remote controller 1 For M NET remote controller s
61. 9 ECHL VO L00LLLLO 529 621 10010 529 10011100 SPD LOI 821 LOOLLOLO LHL 231 1001100 901 10011000 991 10010 LOOLOLLO 29 0010101 10010100 FOI 00100 Aejap Ayjeuuouqe jo euin je HS OS pue e Aejdsiq 6666 6 66 kejap HS OS 62 0010010 kejap ypeuuouqe 0 euin HS 2S 771 0010001 kejap euin HS OS 29 10010000 kejap euin HS OS 221 1000 kejap Ayjewsouge jo euin HS OS 121 LOOOLLLO J Aejap Aupeuuouqe jo euin 95 0001101 euim je 105495 gH1 0001100 2 Aupeuuouqe Josues 00010 O Kejep Aupeuuouqe 1405195 9 1 0001010 Kejep Aujeuuouqe euin ye 105095 PHL 0001001 Aejap Ajyeuouge 0 ejep 1051008 anss d u iH 0001000 S9 ON erep eldsip 241031 ejds q 8 99 8 Dunes LMS
62. CL Reactor ee x 2 fi en Connect to the out Connect to door power circuit Connect to Not used the outdoor Connect to the 52C board CNAF ircui GND the outdoor 15V DC power circuit 9 0 Control signal board TABN2 Not used Q Control signal Connection and internal circuit diagram DCL Tester check points of Acive filter module Error condition Normal value reference Symptom when the unit is in trouble and N1 l less than 10 The unit does not operate can not be switched 1MQ The breaker operates and L2 open x he unit does not operate can not be switched ON 224220 Abn 10 No 189 ACTM error di P and L2 1MQ The breaker opera an open x The unit does not operate can not be switched ON 24220 Abn 10 No 189 ACTM error di short 1MO breaker opera Pana sas open The unit does not operat be switched ON 4220 Abn 10 No 189 ACTM error di short 1MQ The breaker opera n i i TART m e unit does not opera be switched ON 274220 Abnorm 10 No 189 ACTM error d The symptom when the unit is in open error condition is described to determine open error by tester check 66 Active filter module P PUMY P100VHMA PUM
63. Causes Check points Drain pump DP Let drain sensor self heated if temperature rises slightly as suspensive abnormality operation stops and changes to protect mode of restarting in 3 minutes Drain pump is abnormal if the condition above is detected during suspensive abnormality 2502 is displayed Malfunction of drain pipe is constantly detected during drain pump operation The unit enters to forced outdoor unit stop when following conditions a and b are satisfied while the above mentioned detection is performed a The drain sensor detects to be soaked in the water 10 times in a row b Detected that liquid pipe temperature room temperature 10deg 18 F for 30 minutes constantly When the drain sensor detects to be NOT soaked in the water the detection record of a and b will be cleared Drain pump abnormality above 0 3 is detected before it becomes an outdoor unit forced stop condition When indoor unit detects above condition outdoor unit in same refrigerant sytem stops Also indoor unit except for Fan or OFF mode unit stop 2502 is displayed on stopped unit amp Detection timing of forced outdoor unit stop Constantly detected during unit operation and stop Releasing of forced outdoor unit stop Reset power supply of both abnormal indoor unit and its outdoor unit in same refrigerant System Forced outdoor unit stop cannot be released by remote co
64. Changes for the Better MITSUBISHI ELECTRIC SPLIT TYPE HEAT PUMP AIR CONDITIONERS June 2008 No OC376 REVISED EDITION C HFC TECHNICAL amp SERVICE MANUAL Model name Service Ref Outdoor unit ee PUMY P100VHM PUMY P125VHM 2 PUMY P140VHM P U MY P1 40VH M Some descriptions have Please void OC376 PUMY P125VHMA PUMY P1 25VH MA REVISED EDITION B ww PUMY P140VHMA www PUMY P100VHMA BS wewwwes PUMY P125VHMA BS wwewwwss PUMY P140VHMA BS CONTENTS 1 TECHNICAL CHANGES ennn 2 2 SAFETY PRECAUTION 2 3 OVERVIEW OF UNITS 5 4 SPECIFICATIONS 7 8 6 OUTLINES AND DIMENSIONS 18 7 WIRING DIAGRANM 20 8 NECESSARY CONDITIONS FOR SYSTEM CONSTRUCTION 22 9 TROUBLESHOOTING 32 10 ELECTRICAL WIRING 75 11 REFRIGERANT PIPING TASKS 78 12 DISASSEMBLY 82 eis JN sas 87 14 RoHS PARTS EISTE IL 90 Mo
65. F1 2 for the fan motor Give attention to the service Do not pull out the connector CNF1 2 for the motor with the power supply on It causes trouble of the outdoor controller circuit board and fan motor Self check Symptom The outdoor fan cannot turn around Fuse check Check the fuse F500 on outdoor controller board Did the fuse blow Yes gt Replace outdoor controller board MULTI B C B and fan motor MF1 2 4 No Wiring contact check Contact of fan motor connector CNF1 2 v Is there no contact failure gt No gt V Yes Power supply check Remove the connector CNF1 2 Measure the voltage in the outdoor controller circuit board TEST POINT Voc between 1 and 4 of the fan connector Voc DC280 340V When ACTM stops DC350V When ACTM is operating TEST POINT Vcc between 5 and 4 of the fan connector Vec DC15V v Is the voltage normal gt gt Yes gt Replace the fan motor Yes OK Check the operation of fan Replace outdoor controller board NG C Replace outdoor controller board OK Check the operation gt END NG 2 Replace the motor 59 9 8 HOW TO CHECK THE COMPONENTS lt Thermistor feature chart gt Low temperature thermistors Thermistor lt Outdoor pipe gt
66. HMA BS _ PUMY P125VHMA BS 140 5 Sw2 SW3 SW7 SW4 CN51 CN102 Pumpdown Testrun Forced defrost Model select External signal Connect to the M P B output Transmission power board SW8 Demand Silent selection SW1 Display selection Self diagnosis Input of demand control CN40 CN41 Centralized control power supply For storing jumper connector selection CN52 Transmission wire of centralized control SWU2 SWU1 Address setting Indoor outdoor unit E 10 4 connecting wire 2 P E x CN2 o ah ieee Fr wo ED 3L ud we H Connect to the outdoor L esp OO power circuit board V Coezau 1 T ER Q 6 71 r zs ed 9 1 c m ER oo 7 Power circuit board gt 63L 6 i JE m iL L M Transmitting signal to Low pressure switch i x E Qn Ed E m S 35 the multi controller board Ceras alt po S w 0 5V DG CN3N L pen E 22 23 cross signal Auto change over ege F 0 5 DC r gt L t M or i external signal input f OO Not used T 16V DC 63H 3 Te 1 E
67. HT a RED YLW WHT WHT 1 1 1 1 RED 21 211 431211 a 6 CN2 Im WHT DCL 3 TP1 TB3 m ey POR T 52C H P CN1 E BRN _ LI N2 io 4 LAM FW TO INDOOR UNIT RS CONNECTING WIRES DC 30V Non polar P B jum ORN SA M 5 N F se FES O FOR CENTRALIZED CONTROL TH8 DC 30V Non polar Cee CNAC2 CN5 CNS RED RED NHSI RED CN4 ry Swe 1 Q C pee POWER SUPPLY CB 1 MODEL SELECT No Fuse 020230240 50Hz Ged 1 ON 0 OFF AC220V 60Hz BREAKER 1 MO MODELS totol JLo PUMY P100VHM 0 1 0 N No PUMY P125VHM 0 1 0 480 0 1 1 PUMY P140VHM Cautions when Servicing N WARNING When the main supply is turned off the voltage 340V in the main capacitor will drop to 20V in approx 2 minutes input voltage 240V When servicing make sure that LED1 LED2 on the outdoor circuit board goes out and then wait for at least 1 minute Components other than the outdoor board may be faulty Check and take corrective action referring to the service manual Do not replace the outdoor board without checking NOTES 1 Refer to the wiring diagrams of the indoor units for details on wiring of each indoor unit Self diagnosis function The indoor and outdoor units can be diagnosed automatically using the self diagno
68. IUSULI MS NS SSeJppv 1 MS NS NS SSeJppv 900 00 200 zoo 00 J 55 yun 0 5 Pd Dx 9JIM UOISSILUSUEL dd 1 lonuoo 104 190 gt pezijenueo 104 104 N N 8 2 REFRIGERANT SYSTEM DIAGRAM Unit mm lt inch gt PUMY P100VHM PUMY P125VHM PUMY P140VHM PUMY P100VHMA PUMY P125VHMA PUMY P140VHMA PUMY P100VHMA BS PUMY P125VHMA BS PUMY P140VHMA BS Refrigerant flow in cooling Refrigerant flow in heating 1 High pressure sensor Service 63HS Thermistor 7 pon Stop valve 21 Outdoor temperature Refrigerant Gas pipe ter valve 5 8 Strainer Bypass Thermistor Low pressure saturation temperature TH6 Check valve Low pressure Accumulator Stop valve Refrigerant Liquid pipe 44 valve SV1 Capillary x 8 vin Check valve lt High pressure gt Oil separator Strainer Strain er 5 Discharge thermistor TH4 Low pressure switch 63L E Compressor _ Distributor Thermistor Pipe temperature
69. OC OC and IC IC wiring intervals Use feed wiring to connect terminals M1 and M2 and the ground terminal on the transmission cable terminal block TB3 of each outdoor unit OC to terminals M1 and M2 on the terminal S on the transmission cable block of the indoor unit IC Connect terminals M1 and 2 on the transmission cable terminal block of the indoor unit IC that has the most recent address within the same group to the terminal block on the remote controller RC Connect together terminals M1 M2 and terminal S on the terminal block for central control TB7 for the outdoor unit OC DO NOT change the jumper connector CN41 on MULTI controller board f The earth processing of S terminal for the centralized control terminal block TB7 is unnecessary Connect the terminal S on the power supply unit with the earth g Set the address setting switch as follows Unit Range Setting Method IC Main 01 to 50 Use the smallest address within the same group of indoor units IC Sub 01 to 50 Use an address other than the IC Main in the same group of indoor units This must be in sequence with the IC Main Outdoor Unit 51 to 100 Use the smallest address of all the indoor units plus 50 The address automatically becomes 100 if it is set as 01 50 Main Remote Controller 10110 150 Set at an IC Main address within the same group plus 100 Sub Remote Controller 151 to 200 Set at an IC Main address within the same group p
70. Outdoor Unit to First Branch From Branch to Indoor Unit 1 Section From Outdoor Unit Outdoor Unit Piping Diameter Indoor Unit Piping Diameter to First Branch A Model Piping Diameter mm Model number Piping Diameter mm 2 Sections From Branch to PUMY P100 140 Liquid Line 29 52 B or lowar Liquid Line 6 35 Unit a b c d Gas Line 15 88 Gas Line 127 3 Section From Branch to Liquid Li quid Line 29 52 e 6310 140 F GasLine 01588 Select the size from the right table Permissible Length 3 Refrigerant Piping Diameter in Section From Branch to Branch Liquid Line mm Gas Line mm 29 52 15 88 m Additional refrigerant charge Additional Charge Refrigerant of 3kg equivalent to 50m total Additional Liquid pipe size Liquid pipe size Refrigerant extended piping length is already charged refrigerant charge Total length of Total length of amount for outdoor when the outdoor unit is shipped 49 52 x 0 06 6 35 x 0 024 _ unit Thus if the total extended piping length is 50m or less there is no need to charge with additional refrigerant kg m x 0 06 kg m m x 0 024 kg m If the total extended piping length exceeds 50m calculate the required additional lt Example gt Outdoor model 125 refrigerant charge using the procedure Indoor 1 63 9 52 10m a 49 52 15m shown on the right 2 40 b 46 35 10m At the c
71. Pressure Sensor Discharge Pressure Connection Lead lt N Phase gt SWU2 Switch Unit Address Selection 2nd digit CNF1 CNF2 Connector Fan Motor gt 63H High Pressure Switch El Connection Terminal lt Ground gt TRANS Transformer 2154 Connector lt Four way Valve 63L Low Pressure Switch 1 2 LED1 2 Digital Indicator Operation Inspection Display SV1 Connector Bypass Valve CB Main Smoothing Capacitor 5 Connector LED3 LED Power Supply to Main Microcomputer SS Connector For Option ACTM Active filter Module CNS1 Connector Multi System CN3D Connector lt For Option gt RS Rush Current Protect Resistor CNS2 Connector lt Centralized Cotrol gt CN3S Connector lt For Option gt DCL Reactor CN3N Connector lt For Option gt CN51 Connector lt For Option gt 63HS TH7TH6 TH3 TH4 631 63 X501 505 Relay M P B Transmission Power Board MULTI B 8 8 8 CN1 Connector To Noise Filter Circuit Board CN2 Connector To Multi Controller Board 1 45767 Ell SW5 SW6 WHT 63HS TH7 6 TH3 TUR TTT MFA WHT RED WHT WHT 1213 11213 C SW1 SW8 SW 63H 63L A CUAL YLW RED SW4 SW3 SW7 TASAS sc WHT LED1 LED2 88 88 CN2 CN4 TRANS WHT WHT Pd 7161514131211 21 CNDC LED3 220 2 N CN102 mz gt OS WHT 5 E Ye Sg 520 2154 5 2 Tsvi 88 CNS1 CNS2 CN41 CN40 BLK W
72. SHOLD OF a gt HEARING FOR NC 20 CONTINUOUS o NOISE O 10 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz MICROPHONE 1 1 5 UNIT GROUND OUTLINES AND DIMENSIONS 6 mm Uni ge s Spl SHL 06 18 lou woog 612 Vi Buidid 1u014 10 2 jaued 10 10 104002 uonenu ouoo 104 14 uonisod UOISSIUISUEJ OU 104 Addns eod eu 104 punoo jddns eui 10 J 91 096 A 10 2 98 Bueuosiq OTW Hog 2 bi IPAO 9ExZ L Z 8 IL Aa a a 8 epis gt gt gt CERE ee LU 9 1883 uoneijeisui ae sZt 009 SL by n s lou peuojou padeys N Z JeoH 222 aaa lou Ajddns samog
73. TICS WHEN A CAPACITY AGREEMENT IS TO BE SIGNED WITH AN ELECTRIC POWER COMPANY The electrical characteristics of connected indoor unit system for air conditioning systems including the MULTI S series will depend on the arrangement of the indoor and outdoor units First read the data on the selected indoor and outdoor units and then use the following formulas to calculate the electrical characteristics before applying for a capacity agreement with the local electric power company 10 6 1 Obtaining the electrical characteristics of a CITY MULTI S series system 1 Procedure for obtaining total power consumption Page numbers in this technical manual Power consumption Total power consumption of each indoor unit See the technical manual of each indoor unit 1 Power consumption of outdoor unit Standard capacity table Refer to 5 2 Total power consumption of system See the technical manual of each indoor unit lt kW gt 1 Please note that the power consumption of the outdoor unit will vary depending on the total capacity of the selected indoor units 2 Method of obtaining total current Page numbers in this technical manual Subtotal Total current through each indoor unit See the technical manual of each indoor unit 2 Current through outdoor unit Standard capacity table Refer to 5 2 Total current through system See the technical manual of each indoor unit 2 Please note that the current throu
74. WITCH button to make sure that air blows out Select Cooling or Heating by OPERATION SWITCH button to make sure that cool or warm air blow out Press Fan speed button to make sure that fan speed is changed by the button Press AIR DIRECTION button or LOUVER button to make sure that air direction is adjustable horizontal downward upward and each angle Check outdoor fans for normal operation Check interlocked devices like ventilator for normal operation if any This is the end of test run operation Press ON OFF button to stop and cancel test run NOTE 1 If error code appears on remote controller or remote controller malfunction refer to 9 1 3 Countermeasures for Error During Run NOTE 2 During test run operation 2 hours off timer activates automatically and remaining time is on remote controller and test run stops 2 hours later NOTE 3 During test run the indoor liquid pipe temperature is displayed on remote controller instead of room temperature NOTE 4 Depend on a model This function is not available appears when air direction button is pressed However this is not malfunction 9 9 9 32 9 1 2 Special Function Operation and Settings for Remote Controller is necessary to perform group settings and paired settings at making group settings of different refrigerant Systems multiple outdoor unit A Group settings Enter the indoor
75. Y P100VHMA BS P PUMY P125VHMA PUMY P125VHMA BS ai eee PUMY P140VHMA PUMY P140VHMA BS aa 272 11 12 Connect to the DCL Reactor 2 side side N2 Non connect Connect to the outdoor power circuit board TABP1 lo Connect to the outdoor Connect to the outdoor power power circuit board TABN1 circuit boarg CNAF E power GND Q Q 15V DC Q Control signal 5 Not used Connection and internal circuit diagram Q Control signal DCL Error condition Normal value reference Symptom when the unit is in trouble and lo open less than 10 The unit does not operate can not be switched ON J and L2 short 100kQ 1MQ The breaker operates Mise Sa it does not t be swi 84220 Abnorm 10 No 189 ACTM error di panaia it does not operat tbe swi 2 4220 Abnorm 10 No 189 ACTM error di brea P and lo 2 4220 Abn 10 No 189 ACTM error di 100kQ 1MQ JOT L2 and lo it does not operat t be swi 4220 Abnorm 10 No 189 ACTM error di The symptom when the unit is in open error condition is described to determine open error by tester check 67 cu zu go 5 OUTDOOR UNIT FUNCTIONS 9 10 Jequunu S9M0 y SseJppe aui MEJS
76. Y68 G E Permissible Length m Select Each Section of Refrigerant Piping 1 Refrigerant Piping Diameter in Section 2 Refrigerant Piping Diameter in Section From Outdoor Unit to First Branch Out From Branch to Indoor Unit Indoor Unit 1 Section from Outdoor Unit door Unit Piping Diameter Piping Diameter to First Branch A Model Piping Diameter mm Model number Piping Diameter mm 2 Sections from Branch to PUMY P100 140 Liquid Line 9 52 Liquid Line 46 35 Indoor Unit a b c d e Gas Line 15 88 Gas Line 12 7 8 Section From Branch to Liquid Line 9 52 Branch Gas Line 15 88 Select the size from the right table 3 Refrigerant Piping Diameter in Section From Branch to Branch Liquid Line mm Gas Line mm 49 52 15 88 Additional refrigerant charge lt Additional Charge gt Refrigerant of 3kg equivalent to 50 m total Additional Liquid pipe size Liquid pipe size Refrigerant extended piping length is already charged refrigerant charge Total length of Total length of amount for outdoor when the outdoor unit is shipped 69 52 x 0 06 6 35 x 0 024 unit Thus if the total extended piping length is 50m or less there is no need to charge with additional refrigerant kg m x 0 06 kg m m x 0 024 kg m 125 3 0kg If the total extended piping length exceeds Example 50m calcul
77. after the power supply of the outdoor unit is on The power supply for the feeding expansion unit for the transmission line is not on The address of the outdoor unit remains 00 The address of the indoor unit or the remote controller is not set correctly MA remote controller is connected to the transmission line of the indoor outdoor unit The remote controller does not operate though is displayed The transmission line of the indoor outdoor unit is connected to TB15 The transmission line of the indoor outdoor unit is shorted down or badly contacted 2 For remote controller systems Symptom or inspection code Cause Check the part where the abnormality occurs The entire system In entire refrigerant system In same group only 1 indoor unit only lt ln case of the entire system or in the entire refrigerant system gt Check the self diagnosis LED of the outdoor unit Check the items shown in the left that are related to the outdoor unit lt ln case of same group only or 1 indoor unit only gt Check the items shown in the left that are related to the indoor unit Inspection method and solution Though the content of operation is displayed on the remote controller some indoor units do not operate The power supply of the indoor unit is not on Wiring between indoor units in same group is finished The indoor unit and Slim mod
78. alve coil by sliding the coil toward you 5 Disconnect the connector 21S4 green on the Multi controller board in the electrical parts box Removing the 4 way valve 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 and then remove the valve bed 4 Remove 4 right side panel fixing screw 5 x 10 in the rear of the unit and then remove the right side panel 5 Remove the 4 way valve coil See photo 8 6 Recover refrigerant 7 Remove the welded part of four way valve Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by remov ing the right side panel Note 3 When installing the four way valve cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized 4 way valve coil 2154 V 4 valve Thermistor lt Low pressure saturated temp gt TH6 4 way valve coil fixing screw 84 OPERATING PROCEDURE PHOTOS 9 Removing bypass valve coil SV1 and bypass valve Photo 9 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit and remove the right side panel 4 Remove the bypass valve coil fi
79. ard SW2 of connected indoor unit Check the model code registration Switch outdoor multi controller board SWA of the outdoor unit Abnormal point and detecting method Causes Check points Capacity code error When the connected indoor unit models cannot be connected lt 7101 gt is displayed The indoor unit models is not possible to connect PUMY P100 125 140VHM The indoor unit of 20 140 code 4 28 is possible to connect PUMY P100 125 140VHMA The indoor unit of 15 40 Code 3 28 is possible to connect Check the model code registration switch indoor controller board SW2 in the connected indoor unit The outdoor unit SW1 operation can check model code of the connected indoor units 12345678 Code of indoor unit No 1 9 234567 8 Code of indoor unit No 2 Code of indoor unit No 3 Code of indoor unit No 4 Code of indoor unit No 5 Code of indoor unit No 6 234567 Code of indoor unit No 7 234567 Code of indoor unit No 8 Number of connecting unit over When the number of connecting unit exceeds limitations error code lt 7102 gt is displayed ven if the indoor unit is not connected E lt 7102 gt is display Number of connecting unit exceeds limitations It is assumed abnormality excluding the following cases 1 The indoor unit can be totally connected up to 6 P100 8 P125 140 u
80. ate the required additional Indoor 1 50 49 52 10m 89 52 5m 2 using theprocedure shown 40 B 49 52 20m 6 35 If the calculated additional refrigerant charge 32 99 52 10m 26 35 5 is a negative amount do not charge with any 20 46 35 5m refrigerant 20 6 35 5 The total length of each liquid line is as follows 9 52 10 20 10 5 45 6 35 10 5 5 5 25 Calculation example Additional refrigerant charge 45 x 0 06 25 x 0 024 3 0 0 3kg rounded up At the conditions below 11 2 PRECAUTIONS AGAINST REFRIGERANT LEAKAGE 11 2 1 Introduction 2 Calculate room volumes m and find the room R410A refrigerant of this air conditioner is non toxic and with the smallest volume non flammable but leaking of large amount from an indoor The part with represents the room with the smallest unit into the room where the unit is installed may be del volume eterious a Situation in which there are no partitions To prevent possible injury the rooms should be large enough to keep the R410A concentration specified by KHK a high pressure gas safety association installation guidelines S0010 as follows Outdoor unit Maximum concentration Maximum refrigerant concentration of R410A of a room is 0 30 kg m accordance with the installation guidelines To facilitate calculation the maximum concentration is Indo
81. ay indoor unit address The entered indoor units address and type will be displayed each time the button is pressed When one entry is made only 1 address will be displayed no matter how many times the button is pressed e Returning to the normal mode after completing check Simultaneously press the FILTER and x buttons on the remote controller and hold for 2 seconds to return to the normal mode b In making paired settings Turn off the remote controller Press the remote controller s ON OFF button to stop operation the indicator light will go off e Put into indoor unit address display mode Press the FILTER and Sx buttons on the remote controller simultaneously and hold for two seconds e Changing to the linked operation unit address display state Press the 12 425 button on the remote control Displaying the address of the indoor unit to be checked Change the address to that of the indoor unit to be checked by press ing the temperature adjustment buttons Displaying the address of the linked Lossnay unit Press the button to display the addresses of the linked Lossnay and indoor unit in alternation Displaying the addresses of other entered units The addresses of the other entered units will be displayed in alternating blinking after resting the button again e Returning to the normal mode after completing the check Simultaneously press the FILTER and Sx buttons on the remote controller and hold for 2
82. be used together with the indoor unit of the same group TB7 Longest transmission cable length The same as above MA remote controller cable length 344 5 63 200m 0 3 1 25 mm 3 MA remote controllers or more cannot be connected with the indoor unit of the same group TB3 TB7 MIM2S M1M2 S OOO Longest transmission cable length The same as above MA remote controller cable length 7 8 200m 0 3 1 25 mm The second MA remote control ler is connected with the terminal block TB15 for the MA remote con troller of the same indoor 10 as the first remote control TB3 TB7 MIM2S MIM2S OOO 29 D Example of a group operation with 2 or more outdoor units and a MA remote controller Address settings are necessary Examples of Transmission Cable Wiring 01 02 TB5 TB15 TB5 15 1 25 1 25 MiM2S 12 TB QQQ QQ 07 TBS 15 TB5 TOY MIM2S 1 2 MIM2S 1 oO Shielded Wire Sub Remote Controller Address Wiring Method Address Settings Always use shielded wire when making connections between the outdoor unit OC and the indoor unit IC as well for all
83. cuit board 18V DC 16V DC 16V DC CN3 Thermistor TH8 lt Heatsink gt Detection of primary current Connect to the outdoor noise filter circuit board CN5 CN4 Connect to the outdoor controller circuit board CN4 TABP2 SC P2 Connect to the lt gt lt 7 gt RGO0NG49 ope TABS T Connect to the outdoor noise filter circuit board Voltage among phases 220 240V AC Sidr TABN1 SC N1 Connect to the ACTM e In lt WHT gt Seo gt lt O CAS s 1 TABP1 SC P1 Connect to 52C TABU V W Connect to the compressor MC Voltage among phases 10V 180V AC TABN2 SC N2 Connect to the ACTM N2 62 Outdoor noise filter circuit board PUMY P100VHM PUMY P125VHM LO NO PUMY P140VHM Voltage of 220 240V AC is output TABS Connect to the outdoor power circuit board TABT CNAC2 220 240V AC Connect to the outdoor control ler circuit board CN5 CNAC Primary current Connect to the outdoor power circuit board CN5 CNAC1 220 240V AG Connect to the M NET power cir cuit board M P B a CNAC1 gt El Connect to the earth N RG00N265B rA Voltage of 220 240V AC is input Connect to
84. d the indoor unit cannot be operated Cooling Heating blinks The indoor unit can not cool heat if other indoor units are heating cooling The auto vane runs freely Normal display Because of the control operation of auto vane it may change over to horizontal blow automatically from the downward blow in cooling in case the downward blow operation has been continued for 1 hour At defrosting in heating hot adjusting and thermostat OFF it automatically changes over to horizontal blow Fan setting changes during heating Normal display Ultra low speed operation is commenced at thermostat OFF Light air automatically change over to set value by time or piping temperature at thermostat ON Fan stops during heating operation Defrost 1 The fan is to stop during defrosting Fan does not stop while operation has been stopped Light out Fan is to run for 1 minute after stopping to exhaust residual heat only in heating No setting of fan while start SW has been turned on STAND BY G Ultra low speed operation for 5 minutes after SW ON or until piping temperature becomes 35C There low speed operate for 2 minutes and then set notch is commenced Hot adjust control Indoor unit remote controller shows HO or PLEASE WAIT indicator for about 2 minutes when turning ON power supply HO blinks PLEASE WAIT blinks System is being driven Operate remote con
85. d line is as follows 9 52 a 30 15 45m 6 35 2 8 10 10 20 40m lt Calculation gt refrigerant charge 45 x 0 06 40 x 0 024 3 0 0 7kg rounded up 79 Note The total of downstream unit models in the table is the total of models as seen from point Ain the figure below Note Pipe re branching after the header branching zu Ck is not possible Method of Combined Branching of Lines and Headers Connection Examples Connecting to Five Units Outdoor unit First branching branching joint Branching joint B Indoor unit Branching header E To downstream unit Blind caps Total Piping Length A B C a b c d e is 120 meters or less Farthest Piping Length A B b is 80 meters or less Farthest Piping Length After First Branch B b is 30 meters less Permissible High Height Difference in Indoor Outdoor Section 30 meters or less If the outdoor unit is lower 20 meters or less Low Difference Height Difference in Indoor Indoor Section h 12 meters or less m Selecting the Refrigerant Branch Kit Please select branching kit which is sold separately from the table below The kit comprises sets for use with liquid pipes and for use with gas pipes Branch joint Branch header 4 branches Branch header 8 branches CMY Y62 G E CMY Y64 G E CMY
86. d on the transmission waves change in case that the transmission data collides mutually It causes to detect error 2 Transmission processor circuit failure 3 When the transmission data has changed by the noise 45 When the transmission line is constructed with the current flowed turn off power supply of outdoor unit indoor unit and lossnay for 2 minutes or more as the same time Then turn on power supply Check the transmitted wave and the noise on the transmission line Abnormal point and detecting method Causes Check points Transmission bus busy error Over error by collision Abnormality when the state which cannot be transmitted by collision of transmission is consecutive for 8 to 10 minutes The state that data cannot to be output to the transmission line by noise for 8 to 10 minutes consecutively Note Address Attribute displayed on the remote controller shows the controller detecting abnormality 1 The transmission processor cannot be transmitted since a short cycle voltage of the noise etc mixes on the transmission line consecutively 2 The transmission volume increases and cannot be transmitted since the wiring method is mistaken and the routing technique to the terminal board for the transmission line of the outdoor unit and the terminal board TB7 for centralized control cannot be transmitted 3 The share becomes high since the data exists t
87. del name 15 OPTIONAL PARTS nennen 95 indication SS OUTDOOR UNIT NOTE This service manual describes technical data of outdoor unit As for indoor units refer to its service manual ROHS compliant products have lt G gt mark on the spec name plate For servicing of ROHS compliant products refer to the ROHS PARTS LIST 1 TECHNICAL CHANGES PUMY P100VHM Compressor MC and oil have been changed ANB33FDCMT _ X Ester oil gt Ether oil Electrical parts below have been changed Controller board MULTI B GActive filter module ACTM PEFY P15 can be connected PUMY P100VHMA PUMY P125VHM gt PUMY P125VHMA PUMY P140VHM PUMY P140VHMA Noise filter circuit board N F Relay 52C Resister RS Including N F 2 SAFETY PRECAUTION 2 1 CAUTIONS RELATED TO NEW REFRIGERANT Cautions for units utilizing refrigerant R410A Use new refrigerant pipes Do not use refrigerant other than R410A Avoid using thin pipes If other refrigerant R22 etc is used chlorine in refrige rant can cause deterioration of refrigerant oil etc Make sure that the inside and outside of refrige rant piping are clean and it has no contamination such as sulfur hazardous for use oxides dirt shredded particles etc In addition use pipes with specified thickness Use a vacuum pump with a reverse flo
88. diagrams of the indoor units for details on wiring of each indoor unit Self diagnosis function The indoor and outdoor units can be diagnosed automatically using the self diagnosis switch SW1 and LED1 LED2 LED indication found on the multi controller of the outdoor unit LED indication Set all contacts of SW1 to OFF During normal operation Example The LED indicates the drive state of the controller in the outdoor unit When the compressor and Bit 1 2 3 4 5 6 7 8 SV1 are turned on during cooling operation 4 23 45 67 8 Indication 52C 21S4 SV1 5 2 Always lit F1 A When fault requiring inspection has occurred E 0 LED alternately indicates the inspection code the location of the unit which the fault has occurred 21 NECESSARY CONDITIONS FOR SYSTEM CONSTRUCTION 8 8 1 TRANSMISSION SYSTEM SETUP
89. dress in the linked unit address and the above content will also be recorded Apart from the indoor unit with the lowest address in the group display and enter the addresses of the other indoor unit that are to be linked with the Lossnay unit e Returning to the normal mode after completing entry Press the FILTER and Sx buttons on the remote controller simultaneously and hold for 2 seconds to return to the normal mode Figure 4 B Making paired settings Figure 5 Completing normal entry nno Lug og INDOOR UNIT ERROR CODE INDOOR UNIT ADDRESS oAUNTADDRESS NO O ERROR CODE These alternating IC or LC displays will appear ADDRESS NO OAUNTADDRESSNO O h i lly The addresses of indoor wWnerientiy is coimpleted normally unit and linked units are display A flashing 88 will appear if there is a displayed simultaneously problem with the entry indicating that the unit does not exist INDOOR UNIT ERROR CODE ADDRESS NO UNIT ADDRESS NO 33 2 Address check Refer to section 1 regarding address entry a In making group settings Turn off the remote controller Press the remote controller s ON OFF button to stop operation the indicator light will go off Locate the indoor unit address display mode Press the FILTER and buttons on the remote controller simultaneously and hold for 2 seconds Displ
90. e in the water G The unit continue to detect abnormality while turned off When the conditions below 1 2 and forced outdoor unit stop condition are met 1 Detected that liquid pipe temperature room temperature S 10deg 18 F for 30 minutes constantly 2 Float switch detects to be in the water for 15 minutes constantly Before forced outdoor unit stop condition is met the unit always detects 0 9 above The indoor unit detecting above stops due to detecting abnormality the outdoor unit in same refrigerant system compressor is inhibited to operate The unit which stops due to detecting abnormality displays 2502 amp Detection timing of forced outdoor unit stop Constantly detected during unit operation and stop Releasing of forced outdoor unit stop Reset power supply of both abnormal indoor unit and its outdoor unit in same refrigerant system Forced outdoor unit stop cannot be released by remote controller OFF NOTE Above mentioned 0 9 and 0 are detected independently Malfunction of drain pump Defective drain Clogged drain pump Clogged drain pipe Defective moving part of float switch Foreign matter on the moving part of float switch ex sludge etc Defective float switch Defective indoor controller board Defective driving circuit of drain pump Defective input circuit of float switch Both of above mentioned and the indoor linear expansion valve full closed fa
91. e mentioned OG replace the indoor controller board Discharge temperature thermistor TH4 When controller detects short open in thermistor during the operation the outdoor unit stops once and restarts operation in 3 minutes When the detected temperature is normal at just before of restarting the outdoor unit restarts When controller detects short open in thermistor at just before of restarting the unit stops due to detecting abnormality In this time 5101 is displayed For 10 minutes after starting compressor for defrosting or for 3 minutes after recover of defrosting above mentioned short open are not detected Short 216 Cor more 1kQ Open 0 C or less 700kO Note When outdoor temperature thermistor TH7 is 5 C or less on cooling open detecting is not determined as abnormality Connector TH4 contact failure Thermistor wiring disconnection or half disconnection Thermistor failure Multi controller board input circuit failure 41 Check whether the connector TH4 in the multi controller board is connected or not Check whether the thermistor wiring is disconnected or not Check the resistance of thermistor When the resistance is not below value replace the thermistor 0 about 700kO 10 about 410kO 20 about 250kQ 30 C about 160kQ 40 C about 104kQ 12345678 Set the SW1 to When the temperature in multi c
92. e not oxidized 11 Removing the high pressure sensor 63HS 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Remove the electrical parts box See photo 4 4 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit and remove the right side panel 5 Pull out the lead wire of high pressure sensor 6 Recover refrigerant 7 Remove the welded part of high pressure sensor Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by remov ing the right side panel Note 3 When installing the high pressure sensor cover it with a wet cloth to prevent it from heating 100 C or more then braze the pipes so that the inside of pipes not oxidized 85 OPERATING PROCEDURE PHOTOS 12 Removing the compressor MC 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Remove 2 front cover panel fixing screws 5 x 10 and remove the front cover panel See photo 3 4 Remove 2 back cover panel fixing screws 5 x 10 and remove the back cover panel 5 Remove the electrical parts box See photo 4 6 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 and then remove the valve bed 7 Remove 3 right side panel fixing screw 5 x 10 in the rear of the unit and then remove
93. el are connected to same group The fuse on the indoor unit controller board is blown Though the indoor unit operates the display of the remote controller goes out soon The power supply of the indoor unit Master is not on case of connecting the system controller the setting of the system controller does not correspond to that of MA remote controller The fuse on the indoor unit Master controller board is blown is not displayed on the remote controller MA remote controller is not fed The remote controller is not fed until the power supply of both indoor unit and outdoor unit is on and the start up of both units is finished normally The power supply of the indoor unit is not on The power supply of the outdoor unit is not on The number of connected remote controller is over the limit Maximum 2 units or the number of connected indoor unit that is over the limit Maximum 16 units The address of the indoor unit is 00 and the address for the outdoor unit is the one other than 00 The transmission line of the indoor outdoor unit is connected to TB15 MA remote controller is connected to the transmission line of the indoor outdoor unit The remote controller cable is shorted or down The power supply cable or the transmission line is shorted or down The fuse on the indoor unit controller board is blown PLEASE WAIT keeps being dis played or it is displayed peri
94. elects operating system startup lt lnitial Setting gt S Wars ON OFF from outdoor unit ON OFF Any time after the lnitial Setting gt power is turned on ON Mode setting Heating Cooling OFF operation 12 MODELS Initial Setting SW4 oe Set for each capacity Model Before the power 227245 125 is turned on Switching 5 2 o o g PUMY P140 Pressure limitation value change Enable Normal Initial Setting Change the indoor unit s LEV opening at Enable Can be set when off start Normal or during operation ON Fixing the indoor units linear expansion SW5 Fix Normal Fu ctian valve opening switching Fix the operation frequency Fix Normal Change the indoor unit s LEV openin 9 pening Enable Normal Can be set when off at defrost or during operation Switching the target sub cool Enable Normal During the FAN or COOL mode and thermo OFF or stop in heating operation set the opening Active Inactive linear expansion valve on indoor unit 1 During the FAN or COOL mode and thermo OFF in heating operation set the opening of linear ex Active Inactive pansion valve on indoor unit 2 1 SW5 7 Refrigerant shortage amount is measured during heating operation Refrigerant piping is long etc 2 SW5 8
95. emote controller cable length 21 22 22 03 4 lt 10 meters 0 5 to 1 25mm2 If the length exceeds 10 meters use a 1 25 mm shielded wire The length of this sec tion 8 should be included in the calculation of the maximum length and overall length Permissible Length Prohibited items Shielded Wire Sub Remote Controller Address Never connect together the terminal blocks TB5 for transmission wires for indoor units IC that have been connected to different outdoor units OC Set all addresses to ensure that they are not overlapped M NET remote controller and MA remote controller cannot be connected with the indoor unit of the same group wiring together 27 C Example of a MA remote controller system address setting is not necessary NOTE In the case of same group operation need to set the address that is only main indoor unit Example of wiring control cables Wiring Method and Address Setting a Use feed wiring to connect terminals M1 and M2 on transmission cable block TB3 for the outdoor unit to terminals 1 and 2 on the transmission cable block TB5 of each indoor unit IC Use non polarized 2 wire b Connect terminals 1 and 2 on transmission cable terminal block TB15 for each indoor unit with the terminal block for the MA remote controller MA 1 Standard operation 1 remote controller f
96. er circuit board Replace outdoor power circuit board 9 Check CNAF wiring The 4220 error history can be confirmed 12345678 with SW1 No 189 E Temperature of heatsink Abnormal if heatsink thermistor TH8 detects 85 The outdoor fan motor is locked Failure of outdoor fan motor Air flow path is clogged Rise of ambient temperature Defective thermistor Defective input circuit of outdoor power circuit board Failure of outdoor fan drive circuit Check outdoor fan Check air flow path for cooling Check if there is something which causes temperature rise around outdoor unit Upper limit of ambient temperature is 46 C Turn off power and on again to check if 4230 is displayed within 30 minutes Check thermistor lt TH8 gt temperature by micro computer Replace outdoor power circuit board Replace outdoor controller circuit board 1 Power module Check abnormality by driving power module in case over current is detected Outdoor stop valve is closed Decrease of power supply voltage Looseness disconnection or converse of compressor wiring connection Defective compressor Defective outdoor power circuit board Open stop valve Check facility of power supply Correct the wiring U V W phase to compressor Outdoor power circuit board Check compressor Replace outdoor power circuit board 2 Compressor overcur
97. f disconnection 3 Thermistor failure 4 Multi controller board input circuit failure 43 Check whether the connector in the controller board is connected or not Check whether the thermistor wiring is disconnected or not Check resistance of thermistor When the resistance is not below value replace the thermistor 0 C 15kQ 10 C 9 6kO 20 6 3 30 C 4 3kQ 40 C 3 0kQ 12345678 SettheSWito When the temperature in multi controller board is not an actual temperature replace the multi controller board 42 5 Open 91 9 Short Display Abnormal point and detecting method Causes Check points 5106 Outdoor temperature thermistor TH7 When controller detects short open in thermistor during the operation the outdoor unit stops once and restarts operation in 3 minutes When the detected temperature is normal at just before of restarting the outdoor unit restarts when controller detects short open in thermistor at just before of restarting the unit stops due to detecting abnormality In this time 5106 is displayed For 10 minutes after starting compressor for defrosting or for 3 minutes after recover of defrosting above mentioned short open are not detected Short 90 C or more Open 40 C or less 1 Connector TH7 contact failure 2 Thermistor wiring disconnection or half disconnection 3 Thermistor failure
98. fore the capacity of PKFY P25VAM E and Therefore the capacity of PKFY P25VAM E and PLFY PLFY P50VLMD E will be calculated as follows by P50VLMD E will be calculated as follows by using the using the formula in 5 1 2 1 formula in 5 1 2 1 2 8 3 2 Model 25 14 6 x 2 43kW Model 25216 33 x 2 75kW 16 8 19 0 5 6 6 3 Model 50 14 6 x TEM 4 87kW Model 50 16 33 x Y 5 41kW 5 2 STANDARD CAPACITY DIAGRAM 5 2 1 PUMY P100VHM PUMY P100VHMA BS Before calculating the sum of total capacity of indoor units please convert the value into the kW model capacity following the formula on 5 1 1 Total capacity of Capacity kW Power Consumption kW Current A 220V Current A 230V Current A 240V indoor units Cooling Heating Cooling Heating Cooling Heating Cooling Heating Cooling Heating Total capacity of Capacity kW Power Consumption KW Current A 220V Current A 230V Current A 240V indoor units Cooling Heating Cooling Heating Cooling Heating Cooling Heating Cooling Heating 10 5 2 2 PUMY P125VHM PUMY P125VHMA BS Before calculating the sum of total ca
99. gh the outdoor unit will vary depending on the total capacity of the selected indoor units 3 Method of obtaining system power factor Use the following formula and the total power and current obtained in parts and on the previous page to calculate the system power factor Total system power consumption System power factor Total system current x voltage 10 6 2 Applying to an electric power company for power and total current Calculations should be performed separately for heating and cooling employing the same methods use the largest resulting value in your application to the electric power company 77 11 REFRIGERANT PIPING TASKS 11 1 REFRIGERANT PIPING SYSTEM Line Branch Method Connection Examples Connecting to Four Indoor Units Outdoor Unit First Branch Indoor unit Total Piping Length A B C D a b c d e 120m Farthest Piping Length L A B C D e 80m Farthest Piping Length After First Branch 2 B C D e 30m Permissible High Height Difference in Indoor Outdoor Section 30 meters or less If the outdoor unit is lower 20 meters or less Low Difference Height Difference in Indoor Indoor Section h 12 meters or less m Selecting the Refrigerant Branch Kit m Select Each Section of Refrigerant Piping 1 Refrigerant Piping Diameter in Section 2 Refrigerant Piping Diameter in Section From
100. gnal by transmission cable tolerance over furthest point 200m Remote controller cable 12m Refer to 8 3 3 Decline of transmission line voltage and signal by unmatched kind of cable Shield wire CVVS CPEVS wire diameter 1 25mm or more 4 Mis operation of origin controller which happens by chance 49 Check the transmission wave and noise on the transmission cable Turn off power supply of outdoor unit indoor unit and lossnay for 2 minutes or more at the same time Then turn on power supply again It recovers normally at the malfunction that happens by chance When same abnormality occurs again it is defective of displayed address and attribute Abnormal point and detecting method Causes Check points Signal reception Remote controller Following symptoms are regarded as abnormality 1 When the remote controller cannot receive the signal from indoor controller normally even once for 3 minutes 2 When the remote controller cannot receive the signal even once for 2 minutes O Defect of the transmission and reception circuit of the remote controller Defect of the transmission and reception circuit of the indoor controller board Noise occurs on the transmission cable of the remote controller All remote controllers are set as sub remote controller O Perform a check of the remote controller According to the results perform the follo
101. gure 1 4 Remove a nut for right handed screw of M6 to detach the propeller See photo 1 5 Disconnect the connectors CNF1 and CNF2 on Multi controller board in electrical parts box 6 Remove 4 fan motor fixing screws 5 x 25 to detach the fan motor See photo 2 Fan motor fixing screws 3 Removing the electrical parts box Photo 3 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Disconnect the connecting wire from terminal block 4 Remove all the following connectors from Multi controller board Electrical fan motor thermistor lt Outdoor pipe gt thermistor 2 parts box Discharge thermistor Low pressure saturated temp i thermistor lt gt high pressure switch high pressure 9 sensor low pressure switch 4 valve bypass H ME uw board MULTI B valve coil Pull out the disconnected wire from the electrical parts box mmi HU Diagram symbol in the connector housing HJ Fan motor 2 l Terminal block Thermistor Outdoor pipe TH3 T Thermistor lt Discharge gt TH4 Thermistor lt Low pressure saturated temp Outdoor gt TH6 7 High pressure switch 63H High pressure sensor 635 5 Compressor MC Low pressure switch 63L 4 way valve coil 2154 Bypass valve coil SV1 5 Remove term
102. gy 0000101 Aejap sen euuouqe Ae dsiq ypeuiouqe quvog uous u do Josues jueuno kejap Ayjeuuouqe oH kejap jeuuouge J M0d kejap uollo3 01d u9z014 Kejop 00001010 kejap Ayyewuouge uodas PEJS kejap Ayyewuouge SHE9 Kejap nss d M07 kejap yjeuuouqe Josues kejap Ayjeuuouge fejop ypeuuouqe eDeyoA kejep uondeoiejut juano Aejap XuisjeoH z fejep Ayreuuougy 00001001 Aejap Ayyewuouge uoydeo kejap Aypeuuouge ZHL kejap ujewouqe Aousnbay ue 00010 kejap kejap YHL kejap ilguuouqe enjejeduie e p upeuuouqe Aejap ujeuuouqe uinss id uBiH Aejap 0000 1000 Aejap ui Aejdsiq kejap Ryreuuouge quvog Aejap uous uedo Josues JUNO kejap Ayyewuouge kejap yrewouqe kejap 101291010 920 4 Aejdsip Kejap
103. he power circuit board Check whether the thermistor wiring is disconnected or not Check the resistance of thermistor When the resistance is not below value replace the thermistor 0 C 180 10 0 105 20 63kQ 30 39kQ 40 C 25kQ 12345678 Setthe SW1 to 7 When the temperature in multi controller board is not an actual temperature replace the power board 81 0 Open 999 9 Short Display Abnormal point and detecting method Causes Check points 5201 Pressure sensor 63HS When detected pressure in high pressure sensor is 1 MPa or less during the operation the compressor stops and restarts operation in 3 minutes When the detected pressure is 1 MPa less at just before of restarting the compressor stops due to detecting abnormality In this time lt 5201 gt is displayed For 3 minutes after starting compressor for defrosting or for 3 minutes after recover of defrosting abnormality is not detected as abnormality 1 High pressure sensor failure 2 Internal pressure decreases by gas leakage 3 Connector contact failure or disconnection 4 Multi controller board input circuit failure Check the high pressure sensor Check the internal pressure Check the high pressure sensor Check the high pressure sensor Current sensor error Abnormal if current sensor detects 1 5A to 1 5A during compressor operation
104. ignal circuit fresh master lossnay are connected failure in the indoor outdoor unit When there is not any trouble from above replace the displayed 2 When the cause of displayed address 1 When operating with multi address attribute controller board and attribute is on the indoor unit side refrigerant system indoor units the un remote controller transmits the In this time when the error does not signal to the indoor unit after the recover to normal the outdoor unit other refrigerant system outdoor unit multi controller board repeater circuit is turned off or turned on again in defective is expected 2 minutes and detects abnormality 2 Contact failure of remote controller Check the recovery by replacing the or indoor unit transmission cable multi controller board one by one The remote controller detects when 3 Indoor unit transmission connector there is no reply ACK on transmitting CN2M disconnection from the remote controller to the indoor unit 4 Sending receiving signal circuit failure in the indoor unit or remote controller Continued to the next page 47 Display Abnormal point and detecting method Causes Check points 6607 3 When the cause of displayed address and attribute is on the remote controller side The indoor unit detects when there is no reply ACK on transmitting from the indoor unit to the remote controller unit 4 When the
105. ilure leakage happens synchronistically Note Address Attribute displayed on the remote controller shows the indoor unit which is cause of trouble Check if drain up machine works Check drain function Check moving part of float switch Check the value of resistance with the float switch ON OFF Change the indoor controller board Check whether the indoor linear expansion valve leaks or not Drain sensor THd DS When the drain sensor detects short open while the operation Connector CN31 contact failure insertion failure Thermistor wiring disconnection or half disconnection Thermistor defective Indoor controller board detecting circuit failure Check whether the indoor controller board connector CN31 is disconnected or not Check whether the thermistor wiring is disconnected or not Check the resistance of thermistor f abnormality is not found in the method of the above mentioned from to 9 it is defective of the indoor controller board Compressor overcurrent interruption When compressor locked Abnormal if overcurrent of DC bus or compressor is detected within 30 seconds after compressor starts operating Over current 27 5A Stop valve is closed Decrease of power supply voltage Looseness disconnection or converse of compressor wiring connection Defective compressor Defective outdoor power board Open stop valve
106. inal cover and disconnect the 4 Cover panel lead wire 1 Front Valve bed Terminal cover Cover panel fixing screws Continued to the next page 82 From the previous page OPERATING PROCEDURE PHOTOS amp ILLUSTRATION 6 Remove electrical parts box fixing screw 4 x 10 and Photo 4 detach the electrical parts box by pulling it upward The electrical parts box is fixed with 2 hooks on the left and 1 hook on the right Electrical parts box Electrical parts box fixing screw 4 Removing the thermistor Low pressure saturated temp gt TH6 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Disconnect the connectors TH6 and TH7 red on the Multi controller board in the electrical parts box 4 Loosen the wire clamps on top of the electrical parts box 5 Pull out the thermistor Low pressure saturated temp TH6 from the sensor holder Note In case of replacing thermistor Low pressure saturated temp TH6 replace it together with thermistor Outdoor since they combined together Refer to No 5 below to remove thermistor lt Outdoor TH7 gt Electrical parts box Thermistor lt TH6 gt Removing the thermistor lt Outdoor gt TH7 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Disconnect the connector TH7 red on the Multi co
107. ing Diameter in Section 2 Refrigerant Piping Diameter in Section From Outdoor Unit to First Branch Out From Branch to Indoor Unit Indoor Unit 1 Section from Outdoor Unit door Unit Piping Diameter Piping Diameter to First Branch A Model Piping Diameter mm Model number Piping Diameter mm 2 Sections from Branch to iauid Li iauid Li nor Un abeat Pun 100 40 r am G Torr Stine T e7 Liquid Line 49 52 Gas Line 15 88 Select the size from the right table 63 to 140 Additional refrigerant charge Additional Charge Refrigerant of 3kg equivalent to 50m total Additional Liquid pipe size Liquid pipe size Refrigerant extended piping length is already charged refrigerant charge Total length of Total length of amount for outdoor when the outdoor unit is shipped 9 52 x 0 06 6 35 x 0 024 unit Thus if the total extended piping length is 50m or less there is no need to charge with additional refrigerant kg m x 0 06 kg m m x 0 024 kg m If the total extended piping length exceeds 50m calculate the required additional Example Outdoor 125 refrigerant charge using the procedure Indoor 1 63 A 9 52 30m a 49 52 15m shown on the right 40 b 46 35 10m At the conditions If the calculated additional refrigerant charge 25 c 6 35 10m below isa negative amount do not charge with any 20 d 46 35 20m refrigerant The total length of each liqui
108. ion M Ceiling cassette type controller a F Floor standing type 5 control KM NEW frequency converter LMD one to many air conditioners flexible design type L Power supply V Single phase Indicates equivalent to Cooling capacity k cal h 220 230 240V 50Hz 220V 60Hz 3 Operating temperature range m Outdoor unit When using model 125 gt PU 125 IBS Salt proof type FEET Outdoor unit aln Sub number MULTI S control conversion controller Power supply V 1 phase Indicates equivalent 220 230 240V 50Hz to Cooling capacity 220V 60Hz cal h Cooling Heating Indoor side intake air temperature W B 15 24 D B 15 27 C Outdoor side intake air temperature Notes D B 5 46 C D B Dry Bulb Temperature W B Wet Bulb Temperature x1 10 46 In case of connecting PKFY P20 P25 type indoor unit m In case of connecting fresh air type indoor unit Capacity of Fresh air type indoor W B 15 15 C Cooling Heating Indoor side and Outdoor side intake air temperature P80 D B 21 43 C 2 W B 15 5 35 C D B 10 20 C 140 D B 21 43 C 2 W B 15 5 35 C 2 Thermo off FAN mode automatically starts if the outdoor temp is lower than 21 C D B 8 Thermo
109. l signal wires e Transmission wires Types of transmission cables Shielding wire CVVS or CPEVS Cable diameter More than 1 25 mm Maximum wiring length Within 200 m 10 3 3 M NET Remote controller wiring Kind of remote control cable Shielding wire MVVS Cable diameter 0 5 to 1 25 mm2 Remarks When cable exceeds 10m use cable with the same specifications as 10 3 2 10 3 4 MA Remote control cables Kind of remote control cable 2 core cable unshielded Cable diameter 0 3 to 1 25 mm 10 4 SYSTEM SWITCH SETTING In order to identify the destinations of signals to the outdoor units indoor units and remote controller of the MULTI S series each microprocessor must be assigned an identification number address The addresses of outdoor units indoor units and remote controller must be set using their settings switches Please consult the installation manual that comes with each unit for detailed information on setting procedures 10 5 EXAMPLE EXTERNAL WIRING DIAGRAM FOR A BASIC SYSTEM 10 5 1 Example using a M NET remote controller Breaker for Wiring and Current Leakage Power supply Single phase 50Hz 220 230 240V 60Hz 220V Outdoor unit Grounded 15A Breaker for Wiring and Current Leakage Power supply Single phase 50Hz 220 230 240V 60Hz 220V 0 5 1 25mm x 2 gt Group operation Remote controller wire 76 10 6 METHOD FOR OBTAINING ELECTRICAL CHARACTERIS
110. lculations 1 and 2 to calcu late the refrigerant concentration Total refrigerant in the refrigerating unit kg tration kg m maximum concentration kg me The smallest room in which an indoor unit has been installed Maximum concentration of R410A 0 3kg m If the calculation results do not exceed the maximum concen tration perform the same calculations for the larger second and third room etc until it has been determined that nowhere will the maximum concentration be exceeded 81 12 DISASSEMBLY PROCEDURE OUTDOOR UNIT VEM PUMY P125VHM PUMY P140VHM UMY P100VHMA PUMY P125VHMA PUMY P140VHMA PUMY P100VHMA BS PUMY P125VHMA BS PUMY P140VHMA BS OPERATING PROCEDURE PHOTOS amp ILLUSTRATION 1 Removing the service panel and top panel Figure 1 panel fixing screws T Top panel 1 Remove 3 service panel fixing screws 5 x 10 and slide lt x lt F the hook on the right downward to remove the service ri 2 Remove screws 3 for front 3 for rear 5 x 10 of the top panel remove it screws Screws Service panel fixing screws 2 Removing the fan motor MF1 MF2 Photo t Frontpan l Photo 2 Fan Propeller Fan motor fixing screws motor 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Remove 5 fan grille fixing screws 5 x 10 to detach the fan grille See fi
111. ll not operate normally Piping related Perform leakage test of refrigerant and drain piping Make sure that all joints are perfectly insulated Check stop valves on both liquid and gas side for full open Electrical wiring related Check ground wire transmission cable remote controller cable and power supply cable for secure connection Make sure that all switch settings of address or adjustments for special specification systems are correctly settled 2 Safety check With the insulation tester of 500V inspect the insulation resistance Do not touch the transmission cable and remote controller cable with the tester The resistance should be over 1 0 M Do not proceed inspection if the resistance is under 1 0 M Inspect between the outdoor unit power supply terminal block and ground first metallic parts like refrigerant pipes or the electrical box next then inspect all electrical wiring of outdoor unit indoor unit and all linked equipment 3 Before operation a Turn the power supply switch of the outdoor unit on for compressor protection For a test run wait at least 12 hours from this point b Register control systems into remote controller s Never touch the on off switch of the remote controller s Refer to 9 1 2 Special Function Operation and Settings for M NET Remote Controller this registration is unnecessary 4 More than 12 hours later from power supply to the outdoor unit turn all power switch on for test run Perfo
112. lossnay 48 Continued to the next page From the previous page Abnormal point and detecting method Causes Check points 6 When the controller of displayed address and attribute is not recognized 2 When synchronized operation with lossnay in other refrigerant system the indoor units transmit the signal to the lossnay after the lossnay and same refrigerant system outdoor unit are turned off or turned on again in 2 minutes and detects abnormality 3 Contact failure of lossnay or indoor unit transmission cable 4 Indoor unit transmission connector CN2M disconnection 5 Sending receiving signal circuit failure in the indoor unit or lossnay 1 Since the address switch was changed with the current passed the unit in the last address does not exist 2 Since the fresh master lossnay address are changed after synchronized setting of fresh master lossnay by the remote controller abnormality is detected at transmitting from the indoor unit No response Though there was a reply ACK of having received signal from the other side it is the abnormality when the response command does not return The sending side detects the abnormality continuously 6 times every 30 seconds Note Address Attribute displayed on the remote controller shows the controller which did not response 1 Transmission repeats the failure by the noise etc 2 Decline of transmission voltage and si
113. lus 150 MA Remote Controller Unnecessary address setting Necessary main sub setting h The group setting operations among the multiple indoor units is done by the remote controller RC after the electrical power has been turned on 30 Name Symbol and the Maximum Units for Connection Permissible Length Longest length via outdoor unit M NET cable Li L2 L3 L4 Li L2 Le L7 5 500 m 1 25 mm or more Longest transmission cable length M NET cable L and L3 L4 and Le and L2 Ls and L7 200 m 1 25 mm or more Remote controller cable length m1 and m1 m2 m3 and m1 m2 m3 m4 200 m 0 3 to 1 25 mm Prohibited items TB5 TB15 e 29 ANS ZL NOR INNS TBS 15 Group 3 Group 5 Shielded Wire Sub Remote Controller Address Never connect together the terminal blocks 5 for transmission wires for indoor units IC that have been connected to different outdoor units OC M NET remote controller and MA remote controller cannot be connected with the indoor unit of the same group wiring together 31 9 TROUBLESHOOTING 9 1 CHECK POINTS FOR TEST RUN 9 1 1 Procedures of test run 1 Before test run make sure that following work is completed Installation related Make sure that the panel of cassette type and electrical wiring is done Otherwise electrical functions like auto vane wi
114. mber error 7105 Address set error 7111 NOTE Remote controller sensor trouble When the outdoor unit detects No ACK error No responsive frame error an object indoor unit is treated as a stop and not assumed to be abnormal Self diagnosis function The indoor and outdoor units can be diagnosed automatically using the self diagnosis switch SW1 and LED1 LED2 LED indication found on the multi controller of the outdoor unit LED indication Set all contacts of SW1 to OFF During normal operation The LED indicates the drive state of the controller in the outdoor unit Bit 1 Example When the compressor and SV1 are turned during operation 1 23 45 67 8 E Indication Compressor operated lt ce C Abnormal point and detecting method Causes Check points High discharging temperature Abnormal if discharge temperature thermistor TH4 exceeds 125 C or 110 C continuously for 5 minutes Abnormal if pressure detected by high pressure sensor and converted to saturation temperature exceeds 40 C during defrosting and discharge temperature thermistor TH4 exceeds 110 C Over heated compressor operation is caused by shortage of refrigerant Defective operation of stop valve Defective thermistor Defective outdoor controller board Defective action of linear expansi
115. ment system Addresses must be set 1 It is possible only by 1 1 system 1 indoor unit of Fresh Air type is connected with 1 outdoor unit Operating temperature range outdoor temperature for fresh air type indoor units differ from other indoor units Refer to 3 2 3 2 When the indoor unit of Fresh Air type is connected with the outdoor unit the maximum connectable total indoor unit capacity is 110 100 in case of heating below 5 C 23 F 3 2 UNIT SPECIFICATIONS 1 Outdoor Unit Service PUMY P100VHM PUMY P100VHMA PUMY P100VHMA BS PUMY P125VHM PUMY P125VHMA PUMY P125VHMA BS PUMY P140VHM PUMY P140VHMA PUMY P140VHMA BS Cooling kW 11 2 14 0 15 5 Capacity Heating kW 12 5 16 0 18 0 Motor for compressor kW 2 2 2 9 3 3 Cooling Heating capacity indicates the maximum value at operation under the following condition D B 27 W B 19 0 C Cooling Indoor Outdoor D B 35 C Heating Indoor 20 C Outdoor D B 7 C W B 6 C 2 Method for identifying MULTI S model m Indoor unit lt When using Model 80 gt PII LIF P V Refrigerant PAC type R407C R22 Sub number L Ceiling cassette R410A K Wall mounted type commonngss E Hidden skylight type Frequency eer Ceiling suspended type Convers
116. n ypeuuouqe junowe jueleDujeJ Aypeuuouqe uondeoJejul 1u9 4n9 JeAQ indui 00000011 Kureuuouqe H1 Ayjewsouge fouenbeij ue Joopino fyjeuuouge pH1 Rypeuuouge einjejeduie eunsSeJd u6iH indui uoll99101d 00000010 HO 399u9 yoay jun g oN jun yoayo 5 xoouo yun Joopu 00000001 GN c tO O 511220 Ajeuuouqe epoo 1018 pue Jo ejdsip 6666 0000 e dsip 440 ZAS LAS 518 108891030 ejdsip jndino Aejay 00000000 8 9 9 r 6 L eldsip 2410131 eui uo eldsiq funes LMS 68 JdI909 enp ZH XEN
117. n 2 Address check Put into the linked unit address display mode The procedure is same as b in 2 Address check Display the address of the Lossnay unit or the indoor unit to be cleared e Deleting the address of a linked indoor unit Pressing the 6 5 8 button on the remote controller twice will clear the address entry of the displayed indoor unit resulting in the display shown in Figure 8 Returning to the normal mode after clearing an address The procedure is same as b in 2 Address check Figure 8 Display after address has been cleared normally will appear the unit type display location when address been cleared normally display 88 will appear in the unit type display location when an abnormi has occurred during clearing ome INDOOR UNIT ADDRESS 0AUNT ADDRESS NO O 34 9 1 3 Countermeasures for Error During Test Run If a problem occurs during test run a code number will appear in the temperature display area on the remote controller or LED on the outdoor unit and the air conditioning system will automatically cease operating Determine the nature of the abnormality and apply corrective measures Check code Trouble Detected unit Indoor Outdoor Remote controller Remarks 0403 Serial transmission trouble O Outdoor unit Multi controller board Power board communication trouble
118. nal Block lt Centralized Control gt TAB S T Terminal lt L N Phase gt F500 Fuse lt 3A gt CN2 Connector lt To Power Circuit Board gt MC Motor for Compressor TAB P P1 P2 Terminal lt DCVoltage gt SW1 Switch lt Display Selection gt CN4 Connector lt To Power Circuit Board gt MF1 MF2 Fan Motor TAB N N1 N2 Terminal lt DCVoltage gt sw2 Switch lt Function Selection gt CN40 Connector lt Centralized Cotrol Power Supply 2154 Solenoid Valve Four way valve 2 5 SW3 Switch lt Test Run gt CN41 Connector For shorting Jumper Connector SV1 Solenoid Valve Bypass valve gt CNDC Connector SW4 Switch lt Model Selection gt TH3 Connector lt Thermistor gt TH3 Thermistor Outdoor Pipe Temperature Connector SW5 Switch lt Function Selection gt Connector lt Thermistor gt TH4 Thermistor lt Discharge Temperature gt IPM Inverter SW6 Switch lt Function Selection gt TH7 6 Connector lt Thermistor gt TH6 Thermistor lt Low Pressure Saturated Temperature LED1 Light Emitting Diodes Inverter Control Status SW7 Switch Function Selection 63HS Connector lt High Pressure Sensor gt TH7 Thermistor lt Outdoor Temperature gt Noise Filter Circuit Board SW8 Switch Function Selection 63H Connector High Pressure Switch TH8 Thermistor lt Heatsink gt LI LO Connection Lead lt L Phase gt SWU1 Switch lt Unit Address Selection 1st digit gt 63L Connector lt Low Pressure Switch gt 63HS High
119. nded Breaker for Wiring Pull box and Current Leakage Power supply single phase 50Hz 220 230 240V 60Hz 220V Indoor unit Grounded 10 2 2 Power supply wire diameter and capacity Minimum Wire Thickness mm Breaker for Main Cable Branch Ground Wiring Outdoor Unit 00 140 220230240 50 2 556 5 5 6 32 32 30 mA 0 1 sec or less Breaker for Current Leakage Power Supply 2 N AC 220 60Hz iedoon an AC 220 230 240 50Hz MERON N AC 220V 60Hz 1 A breaker with at least 3 0mm contact separation in each pole shall be provided Use earth leakage breaker NV 2 Max Permissive system Impedance 0 22 Q 1 5 1 5 1 5 15A 15A 30 mA 0 1 sec or less 75 10 3 DESIGN FOR CONTROL WIRING Please note that the types and numbers of control wires needed by the CITY MULTI S series will depend on the remote controllers and whether they are linked with the system 10 3 1 Selection number of control wires M NET remote controller Remote controller used in system control operations Use Group operation involving different refrigerant systems Linked operation with upper control system Remote controller indoor unit Wires connecting indoor units 2 wires Wires connecting indoor units with outdoor unit Wires connecting outdoor units Transmission 10 3 2 Contro
120. ndoor and outdoor temperature condition when defining the rated capacity total capacity and rated input under the standard condition in standard piping length bm as 1 0 Standard conditions Indoor D B 27 W B 19 Outdoor D B 35 Indoor 20 C Rated heating capacity Outdoor D B 7 C W B 6 C e Use the rated capacity and rated input given in 5 2 e The input is the single value of the outdoor unit the input of each indoor unit must be added to obtain the total input 2 The capacity of each indoor unit may be obtained by multiplying the total capacity obtained in 1 by the ratio between the individual capacity at the rated time and the total capacity at the rated time Rated cooling capacity individual capacity at the rated time Individual capacity under stated conditions total capacity under the stated conditions x a total capacity at the rated time 3 Capacity correction factor curve Figure 2 PUMY P100VHM PUMY P100VHMA PUMY P100VHMA BS PUMY P125VHM PUMY P125VHMA PUMY P125VHMA BS PUMY P140VHM PUMY P140VHMA PUMY P140VHMA BS Heating performance curve Figure 1 PUMY P100VHM PUMY P100VHMA PUMY P100VHMA BS PUMY P125VHM PUMY P125VHMA PUMY P125VHMA BS PUMY P140VHM PUMY P140VHMA PUMY P140VHMA BS Cooling performance curve 1 4 14 Cooling Heating 12 Capacity 12 5 ratio ratio
121. nits 2 Ventilation unit connecting is only 1 unit Check whether the connecting unit exceeds a number of limitations or not Address setting error Address setting of the outdoor unit is wrong Addresses wrong setting of the outdoor unit The outdoor unit is not set in 000 or in the range of 51 100 Check the address setting of the outdoor unit The address should be set in 000 or 51 100 When the setting is out of the range reset it turn off power supply of the outdoor unit indoor unit and lossnay for 2 minutes or more at the same time and turn on power supply again Remote controller sensor In the case of M NET remote controller itis an abnormality when incapable response returns from the M NET remote controller during the operation When an old type remote controller for M NET is used the remote controller sensor is specified SW1 1 is ON Replace the remote controller to M NET remote controller Serial communication error Abnormal if serial communication between outdoor multi board and outdoor power board is defective Breaking of wire or contact failure of connector CN2 Breaking of wire or contact failure of connector CN4 Defective communication circuit of outdoor power board Defective communication circuit of outdoor multi board for power board 51 Check connection of each connector CN2 Replace outdoor power board Replace outdoor mul
122. nsmission cable Check whether the transmission voltage and signal by a number of cable tolerance is over or not over connected units 5 Mis operation of origin controller Check whether the kind of which happens accidentally transmission cable is mistaken or not When there is any trouble from above turn off power supply of outdoor unit indoor unit and lossnay for 2 minutes or more at the same time Then turn on power supply 6 Origin controller defective When there is not any trouble in single refrigerant system 1outdoor unit from aboveQ controller is defective in displayed address and attribute When there is not any trouble in different refrigerant system 2outdoor unit or more from aboveQ G determine it after When the address which should not exist is an origin since there is the indoor unit which memorizes the 3 address data cancel the 1 When the cause of displayed address 1 Contact failure of outdoor unit or address data by the manual setting and attribute is on the outdoor unit side indoor unit transmission cable function of remote controller The indoor unit detects when there is no 2 Indoor unit transmission connector However they are limited to the reply ACK on transmitting from the CN2M disconnection system which sets the group between indoor unit to the outdoor unit 4 7 different refrigerant systems which 3 Sending receiving s
123. ntroller board in the electrical parts box 4 Loosen the wire clamps on top of the electrical parts box See photo 4 5 Pull out the thermistor lt Outdoor gt TH7 from the sensor holder PUMY P100 125 140VHM Note In case of replacing thermistor Outdoor TH7 replace it together with thermistor Low pressure saturated temp TH6 since they are combined together Refer to No 4 above to remove thermistor Low pressure saturated temp Thermistor Outdoor TH7 Sensor holder PUMY P100 125 140VHMA BS Lead wire of thermistor Outdoor TH7 Sensor holder 83 OPERATING PROCEDURE PHOTOS 6 Removing the thermistor lt Outdoor pipe gt TH3 and thermistor lt Discharge gt TH4 1 Remove the service panel See figure 1 2 Disconnect the connectors TH3 white and TH4 white on the Multi controller board in the electrical parts box 3 Loosen the clamp for the lead wire in the rear of the electrical parts box 4 Pull out the thermistor lt Outdoor pipe gt TH3 and thermistor lt Discharge gt TH4 from the sensor holder Photo 7 Thermistor lt Outdoor pipe gt Thermistor lt Discharge gt TH4 Compressor MO 7 Removing the 4 way valve coil 21S4 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 Removing the 4 way valve coil 3 Remove 4 way valve coil fixing screw x 6 4 Remove the 4 way v
124. ntroller OFF NOTE Above mentioned and 0 are detected independently C Malfunction of drain pump Defective drain Clogged drain pump Clogged drain pipe Water drops on drain sensor Drops of drain trickles from lead wire Clogged filter is causing wave of drain Defective indoor controller board Both of above mentioned and the indoor linear expansion valve full closed failure leakage happens synchronistically Note Address Attribute displayed the remote controller shows the indoor unit which is cause of trouble 38 Check if drain up machine works Check drain function Check the setting of lead wire of drain sensor and check clogs of the filter Replace indoor controller board when there is no problem in the above mentioned O Check whether the indoor linear expansion valve leaks or not Abnormal point and detecting method Causes Check points Drain pump DP Judge whether the sensor is in the water or in the air by turning the float switch ON OFF In the water Detected that the float switch is ON for 15 seconds In the air Detected that the float switch is OFF for 15 seconds When the float switch remains to be turned ON for 3 minutes after detected to be in the water the drain pump is judged to be abnormal and 2502 will be displayed It takes 3 minutes and 15 seconds to detect abnormality including the time to judge to b
125. odically PLEASE WAIT is usually dis played about 3 minutes after the power supply of the outdoor unit is on The power supply of the outdoor unit is not on The power supply of the feeding expansion unit for the transmission line is not on The setting of MA remote controller is not main remote controller but sub remote controller MA remote controller is connected to the transmission line of the indoor outdoor unit The remote controller does not operate though is displayed The power supply of the indoor unit Master is not on The transmission line of the indoor outdoor unit is connected to TB15 The transmission line of the indoor outdoor unit is shorted down or badly contacted The fuse on the indoor unit controller board is blown Check the part where the abnormality occurs The entire system In the entire refrigerant system G In same group only 1 indoor unit only In case of the entire system or in the entire refrigerant system Check the self diagnosis LED of the outdoor unit Check the items shown in the left that are related to the outdoor unit In case of same group only or 1 indoor unit only gt Check the items shown in the left that are related to the indoor unit 9 4 THE FOLLOWING SYMPTOM DO NOT REPRESENT TROUBLE EMERGENCY Symptom Display of remote controller CAUSE Even the cooling heating operation selection button is presse
126. of discharge super heat 1 High pressure sensor defective 2 Discharge temperature thermistor defective 3 Thermistor input circuit defective and high pressure sensor defective multi controller board Error detection of TH7 TH3 1 Thermistor defective 2 Thermistor input circuit defective multi controller board Check the refrigerant amount Check the operation condition and refrigerant amount Check the ball valve is full opened 1 Check the ball valve is full opened 2 Check the resistance of discharge temperature thermistor 3 According to Outdoor unit functions set the SW2 and check the high pressure sensor level in According to Outdoor unit functions check the discharge temp thermistor level When the high pressure sensor and discharge temp thermistor are normal if the above mentioned detecting pressure level and temp are big different from the actual pressure and temp replace the multi controller board 1 Check the resistance of thermistor 2 According to Outdoor unit functions check the outdoor pipe temp thermistor level 3 According to Outdoor unit functions check the outer temp thermistor level in Water leakage 1 Suspensive abnormality when float switch detects to be in the water and drain pump turns on and off except during cooling or dry mode Abnormal when detecting that the drain pump turns on and off again within 1 hour
127. off FAN mode automatically starts if the outdoor temp is higher than 20 C D B D B 5 20C 3 SPECIFICATIONS EE PUMY P100VHMA PUMY P125VHMA PUMY P100VHMA BS PUMY P125VHMA BS PUMY P140VHMA BS PUMY P100VHM PUMY P125VHM Cooling Capacity 11 2 14 0 15 5 Heating Capacity 12 5 16 0 18 0 Input Cool 3 34 4 32 5 35 Input Current Cool 15 4 14 8 14 1 15 4 20 0 19 1 18 3 20 0 24 7 23 6 22 7 24 7 Power factor Cool 98 4 98 4 98 4 Input Heat 3 66 4 33 5 58 Input Current Heat 16 9 16 2 15 5 16 9 20 0 19 1 18 3 20 0 25 8 24 7 23 6 25 8 Power factor Heat 98 4 98 5 98 4 EER Cool 3 35 3 24 2 90 COP Heat 3 42 3 69 3 23 Connectable indoor units Max 6 8 8 Max Connectable Capacity 14 5 130 18 2 130 20 2 130 Power Supply Single phase 50Hz 220 230 240V 60Hz 220V Breaker Size 32A Sound level Cool Heat 50 52 _ 49 51 51 53 External finish Munsell 3Y 7 8 1 1 Refrigerant control Linear Expansion Valve Compressor Hermetic Model VHM ANB33FDCMT VHMA ANB33FDHMT Motor output 22 29 3 3 Starting method Inverter Crankcase heater Heat exchanger Plate fin coil Anti corrosion fin treatment Fan Fan drive x No Propeller fan x 2 Fan motor output kW 0 060 0 060 Airflow
128. ogether to other transmitted data by a defective repeater function which connects and intercepts the transmission of controlling system and centralized control system and it causes abnormal detection Check whether the transmission line of the indoor unit fresh master lossnay and remote controller is connected to the outdoor unit terminal board TB7 for centralized controller or not Check whether the transmission line with the other refrigerant system of the indoor unit and lossnay is connected to the outdoor unit terminal board TB3 for transmission or not Check whether the outdoor unit terminal board for transmission line TB3 and for centralized controller TB7 are connected or not Check the transmitted wave and the noise on the transmission line Signal communication error with transmission processor Signal communication error between unit processor and transmission processor Note Address Attribute displayed on the remote controller shows the controller detecting abnormality 1 Tha data of the unit transmission processor was not normally transmitted due to accidental disturbance such as noise and lightening surge 2 The address transmission from the unit processor was not normally transmitted by the hardware of transmission processor defective 46 Turn off power supply of outdoor unit indoor unit and lossnay for 2minutes or more at the same time Then turn on
129. on valve Check intake super heat Check leakage of refrigerant Charge additional refrigerant Check if stop valve is full open Turn off and check if 5101 is displayed when the power is put again When 5101 is displayed refer to Check points for 5101 Check linear expansion valve Low pressure 63L worked Abnormal if 63L is worked under 0 03MPa during compressor operation 63L Low pressure switch Q Stop valve of outdoor unit is closed during operation Disconnection or loose connection of connector 63L on outdoor controller board Disconnection or loose connection of 63L Defective outdoor controller board Leakage or shortage of refrigerant Malfunction of linear expansion valve Check stop valve Check the connector 631 on outdoor controller board Correct to proper amount of refrigerant Check linear expansion valve 1 High pressure High pressure switch 63H worked Abnormal if high pressure switch 63H is worked during compressor operation 4 15 MPa 63H High pressure switch 2 High pressure High pressure sensor 63HS detect Abnormal if high pressure sensor detects 4 31MPa or more or over 4 15MPa for 3 minutes during the compressor operation Q Short cycle of indoor unit Clogged filter of indoor unit Decreased airflow caused by dirt of indoor fan Dirt of indoor heat exchanger Locked indoor fan motor Malfunction of indo
130. onditions If the calculated additional refrigerant charge 3 25 c 6 35 10m below is a negative amount do not charge with any 4 20 d 46 35 20m refrigerant The total length of each liquid line is as follows 9 52 10 10 10 15 45m 46 35 b 10 10 20 40m Calculation example Additional refrigerant charge 45 x 0 06 40 x 0 024 3 0 0 7kg rounded up 78 Header Branch Method Connection Examples Connecting to Four Indoor Units Y amp Outdoor Unit First Branch Indoor unit D CAP Total Piping Length A a b c d e f 120m Farthest Piping Length L A f 80m Farthest Piping Length After First Branch 2 f is 30 meters or less Permissible High Height Difference in Indoor Outdoor Section 30 meters or less If the outdoor unit is lower 20 meters or less Low Difference Height Difference in Indoor Indoor Section h 12 meters or less m Selecting the Refrigerant Branch Kit Please select branching kit which is sold separately from the table below The kit comprises sets for use with liquid pipes and for use with gas pipes Permissible Length Branch header 4 branches Branch header 8 branches CMY Y64 G E CMY Y68 G E m Select Each Section of Refrigerant Piping 1 Refrigerant Pip
131. ontroller board is not an actual temperature replace the multi controller board 1 3 Open 219 4 Short Display Abnormal point and detecting method Causes Check points 5102 Liquid pipe temperature thermistor TH22 When the thermistor detects short open during the operation the operation stops and the operation changes to protect mode of restarting in 3 minutes If the thermistor does not recover in 3 minutes the operation stops due to detecting abnormality In this time lt 5102 gt is displayed Then if the thermistor recover in 3 minutes it operates normally Short Detected 90 more Open Detected 40 C or less 1 Connector CN21 contact failure 2 Thermistor wiring disconnection or half disconnection 3 Thermistor failure 4 Detecting circuit failure in the indoor controller board Check whether the connector CN21 in the indoor controller board is connected or not Check whether the thermistor wiring is disconnected or not G Check the resistance of thermistor 0 C 15kQ 10 C 9 6kQ 20 6 3 30 4 3 40 3 0 When there is no problem in above mentioned OG replace the indoor controller board Low pressure saturation temperature thermistor TH6 When controller detects short open in thermistor during the operation the outdoor unit stops once and restarts operation in 3 minutes When the detected temperature is normal at ju
132. ooling Heating Cooling Heating 80 8 00 9 00 2 35 2 86 10 9 13 2 10 4 12 6 10 0 12 1 81 8 10 9 10 2 38 2 90 11 0 13 4 10 5 12 8 10 1 12 3 82 8 20 9 20 2 41 2 93 11 1 13 5 10 7 13 0 10 2 12 4 83 8 30 9 30 2 44 2 96 11 3 13 7 10 8 13 1 10 3 12 5 84 8 40 9 40 2 48 2 99 11 5 13 8 11 0 13 2 10 5 12 7 85 8 50 9 50 2 51 3 03 11 6 14 0 11 1 13 4 10 6 12 8 86 8 60 9 60 2 54 3 06 11 7 14 1 11 2 13 5 10 8 13 0 87 8 70 9 70 2 57 3 09 11 9 14 3 11 4 13 7 10 9 13 1 88 8 80 9 80 2 61 3 13 12 1 14 5 11 5 13 8 11 1 13 3 89 8 90 9 90 2 64 3 16 12 2 14 6 11 7 14 0 11 2 13 4 90 9 00 10 00 2 67 3 19 12 3 14 7 11 8 14 1 11 3 13 5 91 9 10 10 11 2 71 3 23 12 5 14 9 12 0 14 3 11 5 13 7 92 9 20 10 23 2 74 3 26 12 7 15 1 12 1 14 4 11 6 13 8 93 9 30 10 34 2 77 3 29 12 8 15 2 12 2 14 5 11 7 13 9 94 9 40 10 46 2 81 3 33 13 0 15 4 12 4 14 7 11 9 14 1 95 9 50 10 57 2 84 3 36 13 1 15 5 12 6 14 9 12 0 14 2 96 9 60 10 68 2 88 3 40 13 3 15 7 12 7 15 0 12 2 14 4 97 9 70 10 80 2 91 3 43 13 5 15 9 12 9 15 2 12 3 14 5 98 9 80 10 91 2 95 3 46 13 6 16 0 13 0 15 3 12 5 14 7 99 9 90 11 03 2 98 3 50 13 8 16 2 13 2 15 5 12 6 14 8 100 10 00 11 14 3 02 3 53 14 0 16 3 13 4 15 6 12 8 15 0 101 10 10 11 25 3 05 3 57 14 1 16 5 13 5 15 8 12 9 15 1 102 10 20 11 37 3 09 3 60 14 3 16 6 13 7 15 9 13 1 15 3 103 10 30 11 48 3 13 3 64 14 5 16 8 13 8 16 1 13 3 15 4 104 10 40 11 60 3 16 3 67 14 6 17 0 14 0 16 2 13 4 15 6 105 10 50 11 71 3 20 3 71 14 8 17 1 14 1 16 4 13 6 15 7 106 10 60 11 82 3 24 3 74 15 0 17
133. or each indoor unit 2 Operation using two remote controllers a The same as above oc b The same as above c In the case of using 2 remote controllers connect terminals 1 and 2 on transmission cable terminal block TB15 for each indoor unit with the terminal TB3 TB7 1 25 25 block for 2 remote controllers 906 QQ 000 QQ Set sub remote controller position for one of MA remote controller s main switch Refer to the installation manual of MA remote con troller Using 2 remote controllers for each indoor unit 3 Group operation The same as above b The same as above c Connect terminals 1 and 2 on transmission cable ter minal block TB15 of each indoor unit which is doing group operation with the terminal block for MA remote controller Use non polarized 2 wire In the case of same group operation need to set the address that is only main indoor unit Please set the smallest address within number 01 50 of the indoor unit with the most functions in the same group TB7 Multiple indoor units operated together by 1 remote controller Combinations of 1through 3 above are possible 28 Permissible Lengths Prohibited items Longest transmission cable length L1 L2 200m 1 25 mm MA remote controller cable length 1 2 200m 0 3 1 25 mm The MA remote controller and the M NET remote controller cannot
134. or fan 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 Dirt of outdoor heat exchanger 9 Decreased airflow caused by defective inspection of outside temperature thermistor It detects lower temperature than actual temperature Disconnection or contact failure of connector 63H on outdoor controller board Disconnection or contact failure of 63H connection 46 Defective outdoor controller board Defective action of linear expansion valve 48 Malfunction of fan driving circuit Solenoid valve SV1 performance failure High pressure cannot be controlled by SV1 High pressure sensor defective High pressure sensor input circuit defective in multi controller board Check indoor unit and repair defectives Check if stop valve is full open Check piping and repair defectives Check outdoor unit and repair defectives Check the inspected temperature of outside temperature thermistor on LED display 5 6 Check the connector 63H on outdoor controller board Check linear expansion valve Replace outdoor controller board 9 Check the solenoid valve performance Check the high pressure sensor Check the high pressure sensor Too low superheat due to low discharge temperature Abnormal if discharge super heat is continuously detected less than or
135. or unit expressed in units of kg m kg of R410A per m Maximum concentration of R410A 0 KHK installation guidelines S0010 b There are partitions but there are openings that allow the effective mixing of air Outdoor unit Outdoor unit Direction of refrigerant flow Situation in which there are no door openings or in which there are open ings above and blow doors that occupy at least 0 1596 of the floor area Indoor unit Indoor unit Opening All refrigerant of this system will leak out to this room if there is leakage at this indoor unit c If the smallest room has mechanical ventilation appa ratus that is linked to a household gas detection and alarm device the calculations should be performed for the second smallest room 11 2 2 Confirming procedure of R410A concentration Follow 1 to 3 to confirm the R410A concentration and take appropriate treatment if necessary 1 Calculate total refrigerant amount by each refrig erant system Total refrigerant amount is precharged refriger ant amount at ex factory plus additional charged amount at field installation Ventilation apparatus Indoor unit Note When single refrigeration system is consists of several 9 9 The smallest The second room smallest room independent refrigeration circuit figure out the total refrig erant amount by each independent refrigerant circuit 3 Use the results of ca
136. ork of piping Tools for other refrigerants can be used by adjusting flaring dimension A Usable by adjusting flaring dimension A Usable by adjusting flaring dimension Bender Bend the pipes Tools for other refrigerants can be used Pipe cutter Cut the pipes Tools for other refrigerants can be used Welder and nitrogen gas cylinder Weld the pipes Tools for other refrigerants can be used Refrigerant charging scale Refrigerant charge Tools for other refrigerants can be used Vacuum gauge or thermis tor vacuum gauge and vacuum valve Check the degree of vacuum Vacuum valve prevents back flow of oil and refri gerant to thermistor vacuum gauge Tools for other refrigerants can be used Charging cylinder Refrigerant charge Tool exclusive for R410A x Prepare a new tool Use the new tool as the tool exclusive for R410A Tools for other refrigerants can be used under certain conditions O Tools for other refrigerants can be used 3 OVERVIEW OF UNITS 3 1 UNIT CONSTRUCTION Lu A 5HP 6HP P100VHM PUMY P125VHM PUMY P140VHM Outdoor unit PUMY P100VHMA PUMY P125VHMA PUMY P140VHMA PUMY P100VHMA BS PUMY P125VHMA BS PUMY P140VHMA BS Indoor Capacity Type 15 VHMA 20 VHM Type 125 Type 15 VHMA 20 VHM Type 140 unit that connected system wide capacity 50 130 of outdoor unit capacity 2 Branching pipe components B
137. osition change may occur in refrigerant and the efficiency will be lowered If a charging cylinder is used the composition of refrigera nt will change and the efficiency will be lowered Ventilate the room if refrigerant leaks during operation If refrigerant comes into contact with a flame poisonous gases will be released 1 Cautions for service 1 Perform service after recovering the refrigerant left in unit completely 2 Do not release refrigerant in the air 3 After completing service charge the cycle with specified amount of refrigerant 4 When performing service install a filter drier simultaneously Be sure to use a filter drier for new refrigerant 2 Additional refrigerant charge When charging directly from cylinder Check that cylinder for R410A on the market is syphon type Charging should be performed with the cylinder of syphon stood vertically Refrigerant is charged from liquid phase 3 Service tools Use the below service tools as exclusive tools for R410A refrigerant Tool name Specifications Gauge manifold Only for R410A Use the existing fitting specifications UNF1 2 Use high tension side pressure of 5 3MPa G or over Charge hose Only for R410A Use pressure performance of 5 09MPa G or over Electronic scale Gas leak detector Use the detector for R134a R407C or R410A Adaptor for reverse flow check Attach on
138. pacity of indoor units please convert the value into the kW model capacity following the formula on 5 1 1 Total capacity of Capacity kW Power Consumption kW Current A 220V Current A 230V Current A 240V indoor units Heating Cooling Heating Cooling Heating Cooling Heating Cooling Heating 1 83 2 05 8 4 9 5 8 1 9 1 7 7 85 2 08 8 6 9 6 8 2 9 2 7 8 88 2 11 8 7 9 7 9 3 8 0 90 2 13 8 8 9 8 9 4 8 1 93 2 16 8 9 10 0 9 5 8 2 96 9 0 10 1 5 9 6 8 3 98 9 2 10 2 5 9 8 8 4 2 01 3 9 3 10 3 9 9 8 5 2 04 9 4 10 5 10 0 8 6 2 07 5 9 5 10 6 10 1 8 7 2 09 9 7 10 7 10 3 8 9 2 12 9 8 10 8 10 4 9 0 2 15 11 0 10 5 9 1 2 18 11 1 5 10 6 9 2 2 21 11 2 10 8 9 4 2 24 5 11 4 10 9 9 5 2 27 11 5 f 11 0 2 30 11 6 11 1 2 33 E 11 8 11 3 2 36 11 9 11 4 2 39 12 0 i 11 5 2 42 12 2 11 7 2 45 8 12 3 i 11 8 2 49 12 5 11 9 2 52 12 6 z 12 1 2 55 12 7 12 2 2 58 12 9 5 12 3 2 62 13 0 12 5 2 65 13 2 12 6 2 68 13 3 12 7 2 72 13 5 12 9 2 75 13 6 13 0 2 79 i 13 8 13 2 2 82 13 9 13 3 2 86 14 1 5 13 4 2 89 5 14 2 13 6 2 93 14 4 13 7 2 96 14 5 13 9 3 00 i 14 7 14 0 3 04 14 8 14 2 3 07 15 0 14 3 3 11 15 1 14 5 3 15 15 3 14 6 3 19 15 4 14 8 3 22 15 6 14 9 3 26 15 7 15 1 3 30 8 15 9 15 2 3 34 16 1 15 4 3 38 16 2 15 5 3 42 i i 1
139. power supply It normally recovers from the malfunction that happens by chance When same abnormality occurs again it is defective of the controller From the preceding page Display Abnormal point and detecting method Causes Check points 6607 No ACK Acknowledgement Factor that not related to origin Abnormality which controller of the 1 Since the address switch was Turn off power supply of outdoor unit Sending Side detects when there is no changed with the passed current the indoor unit fresh master and lossnay answer ACK from other side though data unit in the last address does not exist for 2 minutes or more at the same was transmitted once It is detected 6 time Then turn on power supply It times evely 30 Second continuously recovers normally at the malfunction that happens accidentally 2 Decline of transmission voltage 0 Check the address switch in the signal by transmission cable tolerance address which occurs abnormality over furthest point 200m Note Address Attribute displayed on the pud controller cable 12m remote controller shows the controller Refer to 8 3 ayi which did not send back replay ACK 3 Decline of transmission cable voltage Check whether the transmission cable and signal by unmatched kind of cable is connected loosen or not at origin Shield cable CVVS CPEVS Terminal board or connector Cable diameter 1 25 or more 4 Decline of tra
140. r Module EA BLK GRN 9 BLU WHT CA WHT EA RED 3 59 THE 5569 4 Main Smoothing Capacitor 2184 svi 2 2 2 Power Circuit Board TABU V W Connection TerminalcU V W Phase gt TABS T Connection Terminal lt L N Phase gt TABP1 P2 P Connection Terminal lt DC Voltage gt TABN1 N2 N Connection Terminal lt DC Voltage 4 DS2 DS3 Diode Bridge MAE BLU IPM Power Module TB3 V WHT CNDC Noise Filter Circuit Board BED PIN 2 LI LO Connection Terminal lt L Phase gt LZ 1 1 WHT x NIINO Connection Terminal lt N Phase gt 71V Wit IPM NF El E2 Connection Terminal lt Ground gt Ws SO RED 520 526 Relay NES m 1 8 ap C B Controller Circuit Board INDOOR UNIT ics 7 2 WHT c 2 SW1 Switch lt Display Selection gt DG 30V Non polar 81 mE TEI IN ISI 29 SW2 Switch lt Function Selection gt 2 ona g lt SW3 Switch lt Test Run wir elo WHT 7 2a SW4 Switch lt Model Selection gt OBN 2 Sw5 Switch lt Function Selection gt TB7 RED O j SW6 Switch lt Function Selection gt Ju iw 2 gus go 3 SW7 Switch lt Function Selection gt p ell ce SW8 Switch Function Selection 4 M2 LA 1 t SWUT Switch lt Unit Address Selection 1st digit MS ee 3 o mae SWU2 Switch lt Unit Address Selection 2nddigib 77 5 MG BLK CNLVB Connector lt To N F Board CN5
141. ranch header Branch header Branch header 2 branches 4 branches 8 branches Cassette Ceiling Ceiling Wall Ceiling Floor standing Concealed built in Mounted Exposed Concealed Fresh Air 1 4 way flow 2 way flow 1 way flow PLFY P PLFY P PMFY P PEFY P PDFY P PKFY P PCFY P PFFY P PFFY P PEFY P _ _ _ 15VMS L E _ _ _ _ _ 20VCM E 20VLMD E 20VBM E 20VML E 20VM E 20VBM E 20VLEM E 20VLRM E 25VCM E 25VLMD E 25VBM E 25VML E 25VM E 25VBM E _ 25VLEM E 25VLRM E 32VCM E 32VBM E 32VLMD E 32VBM E 32VML E 32VM E 32VGM E _ 32VLEM E 32VLRM E 40VCM E40VBM E 40VLMD E 40VBM E 40 VMM E 40VM E 40VGM E 40VLEM E 40VLRM E 50VBM E 50VLMD E _ 50VM E 50VGM E 50VLEM E 50VLRM E 63VBM E 63VLMD E _ 63VMH E 63VM E _ 63VLEM E 68VLRM E _ 71VM E _ 8 80VLMD E 80VMH E 80VM E 100VBM E 100VLMD E 100VMH E VMM E 100VM E 100VGM E 125VBM E 125VLMD E 125VMH E 125VM E 125VGM E _ _ 140VMM E _ _ Decorative panel Name M NET remote controller MA remote controller Model number PAR F27MEA E PAR 21MAA Remote controller A handy remote controller for use in conjunction Addresses setting is not necessary Functions with the Melans centralized manage
142. rent interruption Abnormal if overcurrent DC bus or compressor is detected after compressor starts operating for 30 seconds Over current 27 5A Stop valve of outdoor unit is closed Decrease of power supply voltage Looseness disconnection or converse of compressor wiring connection Defective fan of indoor outdoor units Short cycle of indoor outdoor units amp Defective input circuit of outdoor controller board Defective compressor Open stop valve Check facility of power supply Correct the wiring U V W phase to compressor Outdoor power circuit board Check indoor outdoor fan Solve short cycle Replace outdoor controller circuit board Check compressor Before the replacement of the outdoor controller circuit board disconnect the wiring to compressor from the outdoor power circuit board and check the output voltage among phases U V W during test run SW7 1 ON No defect on board if voltage among phases U V V W and W U is same Make sure to perform the voltage check with same performing frequency Outdoor fan motor The outdoor fan motor is considered to be abnormal if the rotational frequency of fan motor is abnormal when detected during operation Fan motor rotational frequency is abnormal if 100 rpm or below detected continuously for 15 seconds 20 or more outside air temperature 50 rpm or below or 1500 rpm or more detected continuously for
143. ress plus 150 as the sub remote controller address In this case it should be 152 3 or more remote con troller RC cannot be connected to 1 indoor unit 104 Same as above 02 TB5 TB15 The remote controller address is the indoor unit main address plus 100 In this case it should be 101 25 B Example of a group operation system with 2 or more outdoor units and a M NET remote controller Address settings are necessary Examples of Transmission Cable Wiring Shielded Wire Sub Remote Controller Address Wiring Method Address Settings slla Always use shielded wire when making connections between the outdoor unit OC and the indoor unit IC as well for all OC OC and IC IC wiring intervals b Use feed wiring to connect terminals M1 and 2 and the ground terminal on the transmission cable terminal block TB3 of each outdoor unit OC to terminals M1 and M2 on the terminal S on the transmission cable block of the indoor unit IC c Connect terminals M1 and 2 on the transmission cable terminal block of the indoor unit IC that has the most recent address within the same group to the terminal block on the remote controller RC d Connect together terminals M1 M2 and terminal S on
144. rm test run according to the Operation procedure table of the bottom of this page While test running make test run reports 5 When you deliver the unit after test run instruct the end user for proper usage of the system using owners manual and the test run report you made to certificate normal operation If abnormalities are detected during test run refer to 9 1 3 Countermeasures for Error During Test As for DIP switch setting of outdoor unit refer to 9 5 INTERNAL SWITCH FUNCTION TABLE M NET Remote controller Check code indicator see NOTE 1 Test run remaining time indicator see NOTE 3 ae MITSUBISHI ELECTRIC Indoor unit liquid pipe temperature indicator 4 Display panel EDS indi p ay p TEST RUN indicator ONOFF ON OFF LED Lights up in operation Cooling Heating ON OFF button OPERATION opogi OF CO ten SWITCH button CO S CS c c AIR DIRECTION button 8 0 CHECK TEST TEST RUN button LOUVER button FAN SPEED button Control panel Operation procedure Turn on the main power supply of all units at least 12 hours before test run HO appears on display panel for 3 min 12 hours later press TEST RUN button twice to perform test run TEST RUN appears on display panel Press OPERATION S
145. rmore as the working pressure of R410A is 1 6 time higher than that of R22 their sizes of flared sections and flare nuts are different Thickness of pipes Because the working pressure of R410A is higher compared to R22 be sure to use refrigerant piping with thickness shown below Never use pipes of 0 7mm or below Diagram below Piping d iameter and thickness Nominal Outside Thickness mm dimensions inch diameter mm R410A R22 1 4 6 35 0 8 0 8 3 8 9 52 0 8 0 8 1 2 12 70 0 8 0 8 5 8 15 88 1 0 1 0 3 4 19 05 1 0 GDimensions of flare cutting and flare nut The component molecules in HFC refrigerant are smaller compared to conventional refrigerants In addition to that R410A is a refrigerant which has higher risk of leakage because its working pressure is higher than that of other refriger ants Therefore to enhance airtightness and intensity flare cutting dimension of copper pipe for R410A have been speci fied separately from the dimensions for other refrigerants as shown below The dimension B of flare nut for R410A also have partly been changed to increase intensity as shown below Set copper pipe correctly referring to copper pipe flaring dimensions for R410A below For 1 2 and 5 8 inch the dimension B changes Use torque wrench corresponding to each dimension Flare dimensions Nominal dimensions inch Outside Dimension 4
146. s shown below Unit Range Setting Method Indoor unit IC Outdoor unit 001 to 050 Use the smallest address of all the indoor unit plus 50 Indoor unit address plus 100 051 to 100 Remote controller RC 101 to 150 2 Operation using two remote controllers Using 2 remote controllers for each indoor unit a Same as above b Same as above c Set address switch on outdoor unit P C B as shown below Unit Indoor Unit IC Outdoor unit OC Range Setting Method 001 to 050 Use the smallest address of all the indoor units plus 50 051 to 100 Main Remote Controller RC Indoor unit address plus 100 101 to 150 Sub Remote Controller RC Indoor unit address plus 151 to 200 150 3 Group operation 01 02 TB5 TB15 TB5 TB15 e Multiple indoor units operated together by 1 remote controller a Same as above b Connect terminals M1 and M2 on transmission cable terminal block TB5 of the IC main unit with the most recent address within the same indoor unit IC group to terminal block TB6 on the remote controller c Set the address setting switch on outdoor unit P C B as shown below Unit Range Setting Method 001 to 050 Use the smallest address within the IC Main same group of indoor units Use an address other than that of the IC Main from among the units within the same
147. sis switch SW1 and LED1 LED2 LED indication found on the multi controller of the outdoor unit LED indication Set all contacts of SW1 to OFF During normal operation The LED indicates the drive state of the controller in the outdoor unit Bit 1 2 3 4 5 6 7 8 Indication 520 2154 svt SV2 Always lit When fault requiring inspection has occurred The LED alternately indicates the inspection code and the location of the unit in which the fault has occurred Example When the compressor and operation 1 23 45 67 8 Haad 20 SV1 are turned on during cooling PUMY P100VHMA BS PUMY P125VHMA BS PUMY P140VHMA BS
148. st before of restarting the outdoor unit restarts when controller detects short open in thermistor at just before of restarting the unit stops due to detecting abnormality In this time 5102 is displayed 9 For 10 minutes after starting compressor in heating mode above mentioned short open are not detected Short 90 or more Open 40 C or less 1 Connector TH6 contact failure 2 Thermistor wiring disconnection or half disconnection 3 Thermistor failure 4 Multi controller board input circuit failure 42 Check whether the connector TH6 in the multi controller board is connected or not Check whether the thermistor wiring is disconnected or not Check the resistance of thermistor 0 C 15kQ 10 C 9 6kO 20 C 6 3kO 30 2 4 3 40 3 0 12345678 Setthe SW1 to When the temperature in multi controller board is not an actual temperature replace the multi controller board 42 5 Open 91 9 Short Display Abnormal point and detecting method Causes Check points 5103 Gas pipe temperature thermistor TH23 When the thermistor detects short open after 3 minutes continuous thermo ON during cooling or dry operation the operation stops and the operation changes to protect mode of restarting in 3 minutes If the thermistor does not recover in 3 minutes the operation stops due to detecting abnormality In this time 510
149. t E 1 f 20 s THRESHOLD OF LN I F 1 gt HEARING FOR F i JNC 20 CONTINUOUS 1 o NOISE i 3 10 E 3 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz PUMY P140VHM MODE SPL dB LINE PUMY P140VHMA BS 0010 s 0 0002 pubar BAND SOUND PRESSURE LEVEL dB 0 dB 90 80 70 60 50 40 30 20 HEATING 53 k a F 1 i 1 70 I am F 3 ij Qe NC 50 ie IS ic j i 1NC 60 1NC 30 HEARING FOR 3 CONTINUOUS 4 NOISE APPROXIMATE EM i THRESHOLD OF 49220 4 T 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz 17 PUMY P125VHM MODE SPL dB LINE PUMY P125VHMA BS 20544 50 HEATING 52 o _e 90 1 5 2 a 1 F S 80 4 e 3 3 X 4 m 70 1 e Be NER OP pen i 60 5 60 4 1 ZEE E u 50 E F 5 Sno o T 1 tt 40 F N T i F 40 30 o lt 3 20 I f THRE
150. the terminal block for central control TB7 for the outdoor unit OC e DO NOT change the jumper connector CN41 on MULTI controller board f The earth processing of S terminal for the centralized control terminal block TB7 is unnecessary Connect the terminal S the power supply unit with the earth g Set the address setting switch as follows Unit Range Setting Method IC Main 01 10 50 Use the smallest address within the same group of indoor units IC Sub 01 10 50 Use an address other than the IC Main in the same group of indoor units This must be in sequence with the IC Main Outdoor Unit 51 10 100 Use the smallest address of all the indoor units plus 50 The address automatically becomes 100 if it is set as 01 50 Main Remote Controller 101 to 150 Setatan IC Main address within the same group plus 100 Sub Remote Controller 151 to 200 Set at an IC Main address within the same group plus 150 MA Remote Controller Unnecessary address setting Necessary main sub setting h The group setting operations among the multiple indoor units is done by the remote controller RC after the electrical power has been turned on 26 Name Symbol and the Maximum Units for Connection e Longest length via outdoor units Li L2 L3 L4 L1 L2 L3 L5 L1 L2 L6 L7 5 500 meters 1 25mm e Longest transmission cable length L1 L3 L4 L3 L5 Le 12 16 L7 200 meters 1 25mm2 e R
151. ti board 9 2 REMOTE CONTROLLER DIAGNOSIS MA remote controller is equipped with the diagnosis function If the air conditioner cannot be operated from the remote controller diagnose the remote controller as explained below 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 Switch to the remote controller self diagnosis mode Pressthe CHECK button for 5 seconds or more The display content will change as shown below SELF CHECK Ri FZ Power indicator Press the FILTER button to start self diagnosis SELF SER 2 Remote controller self diagnosis result When the remote controller is functioning correctly SELF RL Check for other possible causes as there is no problem with the remote controller URS Where the remote controller is defective but cannot operated Error display 2 6833 or 6832 flashes Transmission is not possible LN l p r ERROR CODE vL There might be noise or interference on the transmission path or the indoor unit or other remote controllers are defective Check the transmission path and other controllers p UNE EO SELF 5
152. troller again after HO or PLEASE WAIT disappears Drain pump does not stop while unit has been stopped Light out After a stop of cooling operation unit continues to operate drain pump for 3 minutes and then stops it Drain pump does not stop while unit has been stopped Unit continues to operate drain pump if drainage is generated even during a stop 54 9 5 INTERNAL SWITCH FUNCTION TABLE PUMY P100VHM PUMY P125VHM PUMY P140VHM PUMY P100VHMA PUMY P125VHMA PUMY P140VHMA PUMY P100VHMA BS PUMY P125VHMA BS PUMY P140VHMA BS Operation in Each Switch Setting Switch Function Remarks ON OFF When to Set SWU1 1st digit SWU2 2nd digit Initial Setting 4 r 10 7 SUA SO Before turning EPA the power on 2 e J2 SWU1 SWU2 SWU1 2nd digit 1st digit 2nd digit 1st digit Rotary switch SW1 Digital Can be set Initial Setting either during Switching OFF operation or not OFF 12345678 1234567 8 With centralized Without centralized controller controller Before turning the Connection Information Clear Switch Clear Do not clear power on SW Abnormal data clear switch input Clear abnormal data Normal During compressor Function Pump down Run adjustment mode Normal running 1 2924526 Switching Auto change over from Remote controller Enable Disable petore turning S
153. unit controlled by the remote controller check the content of entries and clear entries etc B Paired settings Used to set the linked operation of a Lossnay unit 1 Entering address Follow the steps below to enter the addresses of the indoor unit using the remote controller a Group settings Turning off the remote controller Press the ON OFF button to stop operation the indicator light will go off e Changing to indoor unit address display mode If the FILTER and Sx buttons the remote controller are pressed simultaneously and held for 2 seconds the display shown in Figure 1 will appear e Changing address Press the temperature adjustment Ca Cv buttons to change the displayed address to the address to be entered Entering the displayed address Press the TEST RUN button to enter the indoor unit with the displayed address The type of the unit will be displayed as shown in Figure 2 if entry is completed normally If a selected indoor unit does not exist an error signal will be displayed as shown in Figure 3 When this happens check whether the indoor unit actually exists and performs entry again e Returning to the normal mode after completing entry Press the FILTER and 322 buttons simultaneously and hold for 2 seconds to return to the normal mode Figure 1 A Group setting display Figure 2 Normal completion of entry Figure 3 Entry error signal mae INDOOR UNIT INDOOR UNIT ADDRESS NO ADDRESS NO
154. vacuum pump Refrigerant charge base Refrigerant cylinder Only for R410A of cylinder Pink Cylinder with syphon Refrigerant recovery equipment 2 2 PRECAUTIONS FOR SALT PROOF TYPE BS MODEL Although BS model has been designed to be resistant to salt damage observe the following precautions to maintain the performance of the unit 1 Avoid installing the uint in a location where it will be exposed directly to seawater or sea breeze 2 If the cover panel may become covered with salt be sure to install the unit in a location where the salt will be washed away by rainwater If a sunshade is installed rainwater may not clean the panel 3 To ensure that water does not collect in the base of the outdoor unit make sure that the base is level not at angle Water collecting in the base of the outdoor unit could cause rust If the unit is installed in a coastal area clean the unit with water regularly to remove any salt buil up If the unit is damaged during installation or maintenance be sure to repair it Be sure to check the condition of the unit regularly Be sure to install the unit in a location with good drainage O Cautions for refrigerant piping work New refrigerant R410A is adopted for replacement inverter series Although the refrigerant piping work for R410A is same as for R22 exclusive tools are necessary so as not to mix with different kind of refrigerant Furthe
155. w check valve Vacuum pump oil may flow back into refrigerant cycle and that can cause deterioration of refrigerant oil etc Contamination inside refrigerant piping can cause deterio ration of refrigerant oil etc Use the following tools specifically designed for use with R410A refrigerant Store the piping to be used during installation indoors and keep both ends of the piping sealed until just before brazing Leave elbow joints etc in their packaging If dirt dust or moisture enters into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor The following tools are necessary to use R410A refrigerant Tools for R410A Flare tool Size adjustment gauge Vacuum pump adaptor Electronic refrigerant charging scale Gauge manifold Charge hose Gas leak detector Torque wrench amount as the refrigerant oil applied to flares and flange connections Keep the tools with care Use ester oil ether oil or alkylbenzene oil small If large amount of mineral oil enters that can cause deterio ration of refrigerant oil etc If dirt dust or moisture enters into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor Charge refrigerant from liquid phase of gas cylinder Do not use a charging cylinder If the refrigerant is charged from gas phase comp
156. wing process When RC is displayed The remote controller is normal Turn off the power supply and turn it on again If HO is displayed for 4 minutes or more replace the indoor controller board Signal transmission Remote controller Following symptoms are regarded as abnormality 1 When sub remote controller cannot transmit the signal to the transmission path for 6 minutes 2 When the remote controller cannot finish transmitting the signal for 30 times on end Defect of the transmission and reception circuit of the remote controller Noise occurs on the transmission cable of the remote controller There are 2 main remote controllers When RC is displayed Replace the remote controller When RC 6832 or 6833 or ERC 00 66 is displayed These displays may be due to noise etc Set one remote controller to main remote controller and the other to Sub remote controller When connected total models of the indoor units exceed the specified level 130 of the outdoor unit models error code 7100 is displayed 1 Connecting total models of the indoor unit exceed the specified level PUMY P100 code 26 PUMY P125 code 33 PUMY P140 code 38 2 There is a mistake in the registration of model name code of the outdoor unit 50 D Check the total models of connected indoor unit Check the model code registration switch indoor controller bo
157. xing screw M4 x 6 5 Remove the bypass valve coil by sliding the coil upward 6 Disconnect the connector SV1 white on the Multi controller circuit board in the electrical parts box 7 Recover refrigerant 8 Remove the welded part of bypass valve Note 1 Recover refrigerant without spreading it in the air d SN Linh pressure Note 2 The welded part can be removed easily by ma Em dub 63H removing the right side panel Bypass valve coil fixing screw valve 10 Removing the high pressure switch 63H and coi SV1 low pressure switch 631 1 1 Remove service panel See figure 1 2 Remove the top panel See figure 1 3 Remove the electrical parts box See photo 4 a High pressure 4 Remove 3 right side panel fixing screws 5 x 10 in the m i a sensor 63HS rear of the unit and remove the right side panel 5 Pull out the lead of high pressure switch and low pressure switch 6 Recover refrigerant 7 Remove the welded part of high pressure switch and low pressure switch Bypass valve Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by remov photo 10 ing the right side panel Note 3 When installing the high pressure switch and low pressure switch cover them with a wet cloth to prevent them from heating 100 C or more then braze the pipes so that the inside of pipes ar
158. y 7 762 ESOC A s e mrewor L 2 2 CHARGEPLUG px prese I _ RUBBER MOUNT For 410 STOP VALVE w avave ____ _ 3 Ll 450 san 3 3 440 accum 3 3 490 separator 3 3 Ror 26 425 CAPLLARYTUBE jmsmsumm 3 3 208 ____ 3 3 s i3 e Rot 00 209 Low pRessuReswircH 3 3 avpassvawe 3 l 242 J a Sv Tw 242 pumoponemsswu J 3 sv Wo Tem a 0 17 R01 E32 403 4 WAY VALVE 18 R01 H01 202 THERMISTOR TH6 7 Ov 206 3 3 an 40a 3 3 Ll Rot 310 owmmursomurewo 3 22 e E27 246 TERMNALELOCK em mas 2 2 Meowensoamo 3 3 2 269 macrn Joo 260 macrn 3 e Ror E65 powmomcursoa 3 3 P8
159. ystems Symptom or inspection code Cause indicator Appears when current is carried Inspection method and solution Though the content of operation is displayed on the remote controller some indoor units do not operate The power supply of the indoor unit is not on The address of the indoor units in same group or the remote controller is not set correctly The group setting between outdoor units is not registered to the remote controller The fuse on the indoor unit controller board is blown Though the indoor unit operates The power supply of the indoor unit is not on the display of the remote controller The fuse on the indoor unit controller board is blown goes out soon is not displayed on the remote controller M NET remote controller is not fed The power supply of the outdoor unit is not on The connector of transmission outdoor power board is not connected The number of connected indoor unit in the refrigeration system is over the limit or the number of connected remote controller is over the limit M NET remote controller is connected to MA remote controller cable The transmission line of the indoor outdoor unit is shorted or down remote controller cable is shorted or down Transmission of outdoor power board failure HO keeps being displayed or it is displayed periodically HO is usually displayed about 3 minutes

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TECHNICAL &amp; SERVICE MANUAL

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TECHNICAL & SERVICE MANUAL