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residential air-conditioning technical manual & parts list

1. Model SRK13YN S Item Indoor unit SRK13YN S Outdoor unit SRC13YN S Power source 1 Phase 220 240V 50Hz Nominal cooling capacity range kW 3 2 1 0 Min 3 5 Nominal heating capacity range kW Power Cooling 1 00 0 23 1 30 consumption Heating kW power consumption 1 42 Running Cooling 4 9 4 7 4 5 220 230 240 V current Heating A Inrush current current 4 9 4 7 4 5 220 230 240 V 7 5 Operation Cooling 93 data Power factor Heating EER Cooling 3 20 COP Heating Sound power level Cooling Heating Cooling dB A Hi 44 Me 37 10 25 49 Sound level Heating Silent mode sound pressure level Exterior dimensions Height x Width x Depth mm 262 x 769 x 210 540 x 645 57 x 275 Exterior appearance Fine snow Stucco white Munsell color 8 0Y 9 3 0 1 near equivalent 4 2 7 5 1 1 near equivalent Net weight kg 7 27 Compressor type amp Q ty RM B5077MDE5 Rotary type x 1 Compressor motor Starting method kW 0 90 Inverter driven Refrigerant oil Amount type 0 0 3 DIAMOND FREEZE MA68 Refrigerant amount pre charge length kg R410A 0 75 in outdoor unit incl the amount for the piping of 15m Heat exchanger Louver fins amp inner grooved tubing M fins amp inner grooved tubing Refrigerant control Capillary tubes Electronic expansion valve Fan type amp Q
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4. Stop data Remote control setting Operation Fan speed Temperature Displayed data switching switching setting 21 C Displays the reason for the stop stop code the previous time when the air conditioner was stopped by protective stop control 22 C Displays the reason for the stop stop code 2 times previous when the air conditioner was stopped by protective stop control 23 C isplays the reason for the stop stop code 3 times previous when the air conditioner was stopped by protective stop control 24 C Displays the reason for the stop stop code 4 times previous when the air conditioner was stopped by protective stop control 25 isplays the reason for the stop stop code 5 times previous when the air conditioner Was stopped by protective stop control Cooling LO 26 isplays the reason for the stop stop code 6 times previous when the air conditioner was stopped by protective stop control 27 Displays the reason for the stop stop code 7 times previous when air conditioner was stopped by protective stop control 28 C isplays the reason for the stop stop code 8 times previous when the air conditioner was stopped by protective stop control 29 C Displays the reason for the stop stop code 9 times previous when the air conditioner was stopped by protective stop control 30 C Displays the reason f
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6. Unit ON OFF button 3 Auto restart function a Auto restart function records the operational status of the air conditioner immediately prior to be switched off by a power cut and then automatically resumes operations after the power has been restored b The following settings will be cancelled S ON gt i Timer settings 9 oc 5 HIGH POWER operations R al B Jumper wire J1 5 til o oe amp amp 1 Auto restart function is set at when the air conditioner is shipped from the factory na Consult with your dealer if this function needs to switched off ney Oee AA AA 2 When power failure ocurrs the timer setting is cancelled Once power is resumed W8 8 o 25 esu 9008 reset the timer d S 3 If the jumper wire 71 AUTO RESTART is cut auto restart is disabled See the dia TE o e s ng 9 gram at right De gt 4 Custom cord switching procedure If two wireless remote control are installed in one room in order to prevent wrong op _ gt h 1 1 1 z u E eration due to mixed signals please modify the printed circuit board in the indoor unit s
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8. 1 presare 660806 Prone 1 1 1 2 41 60 660 5 e j 1 21 14 SRK T 159 HEAT EXCH CONTROL 14 SRK T 159 SRC13YN S3 S4 S5 S6 S7 END ITEM NO RWC003F096BA 096BB 096BC 096BD 096BF om ron e s pn 10 30 50 100 500 1000 1 1 4 A scvssezo nuer A 225935500 A 12259381500 1 pipincassviexran 1 1 1 2 asa sere os waveaove 1 3 A 7 ReerwA 1 BEER wwvesEkvcewy 111 aqua 002 1 1 a jas oe nsuaroncowe 1 1540 002 1 4006 nsuaron __ 210 cousoewon 1 1 20886400 compressor assy 1 1 4 3 s RurBsorrvDES 600 urean flsasacwa 6 T 900 eeerowR 1 ___
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10. Muffler Accumulator 4 Cooling cycle Muffler Accumulator Capillary tube 14 SRK T 159 Outdoor air temp sensor TH2 Heat exchanger Heat exchanger sensor Outdoor air temp sensor TH2 Heat N exchanger Heat exchanger sensor 14 SRK T 159 Model SRK18YN S Cooling cycle Indoorunit Flare Outdoor unit Outdoor air connection Servi 1 temp sensor ervice valve TH2 4 gt Discharge 0 m temp sensor Heat N Check joint temp sensor _ Room temp exchanger 12 7 TH3 sensor Sensor Thl b Th2 Humidity sensor Heat ES Heat Dx exchanger exchanger Compressor Heat exchanger sensor TH Capillary tub D valve s Liquid Service valve P EEV pipe Liquid 6635 BO Capillary tube N e gt Flare connection V 5 RANGE OF USAGE amp LIMITATIONS Item Models SRK10 13YN S 14 SRK T 159 SRK18YN S Indoor return air temperature Upper lower limits Cooling operation Approx imately 21 to 32 C D B Refer to the selection chart Outdoor air temperature Upper lower limits Refrigerant line one way length Cooling operation Approx imately 21 to 43 C Refer t
11. Unit C TIMER light 1 5 digit 10s digit 0 1 2 3 4 5 6 7 8 Buzzer sound 6 60 61 62 63 64 5 50 51 52 53 54 55 56 57 58 59 4 40 41 42 43 44 45 46 47 48 49 scundsdor 01 secundi 3 30 31 32 33 34 35 36 37 38 39 2 20 21 22 23 24 25 26 27 28 29 1 10 11 12 13 44 15 16 17 18 19 0 FEE SE 0 0 1 2 14 5 6 7 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 29 3 30 31 32 33 35 36 39 4 40 41 42 43 44 45 46 47 48 49 does not sound 5 50 51 52 53 54 55 56 57 58 59 6 60 61 62 63 64 65 66 67 68 69 7 70 71 72 73 74 75 76 77 78 79 8 80 si 82 83 84 85 86 87 88 9 90 91 92 93 94 95 96 97 98 99 If no data are recorded error code is normal the display for each sensor becomes as shown below Sensor name Sensor value displayed when the error code is normal Room temperature sensor temperature 19 Indoor heat exchanger sensor temperature 64 Outdoor air temperature sensortemperature 64 Outdoor heat exchanger sensor temperature 64 Example Room temperature indoor heat exchanger outdoor air temperature
12. cL L 81 PON Budd seo y 91814 8 6960 L 0L IPPON Ioqu s 1 Indoor units 2 EXTERIOR DIMENSIONS 0 soe 05 eoeds a e d uollellelsul Mala 0006 ay Jajay umop 10 092 69 Sc 09 Sr 89 14 SRK T 159 2 Outdoor units Models SRC10YN S 13YN S uuu3Jun AIABJ6 jo Joe S uedo 052 u do 052 v1 08 08 08 00 usado usado 00 00 Z1 g 08L 082 082 usado SUOISUSWIG N 1 1 Jo sajdwex3 Xoojq jeuruJe eoeds uolellelsul unuwlulN 202 jenno O 4 1 esios 0 5 a 80L 0 ozz eros x CD y sm 21 0L 0 012 019845 8 e N e1 I3qOIA A TX LX suojsuewlq a gt jun y JO epis y uo s jaqe weu eu 9 juBieu syun y jou ysNW ay JO u Jem V un ay e oqe eoeds 34297 p seoe dp x OLN og 1ououy
13. _2 FORFLAPWoTOR 1 j b 1 1 1 2 keng eusEwora j 1 1 j b lsassems aNemAE 1 1 1 4 bauer uz 1 2 4 ofssas12r 1276 mororo j j aros meza been _ j b 1T P Op Pu 14 SRK T 159 HEAT EXCH CONTROL CRAEO287 14 SRK T 159 SRK18YN S3 S4 S5 S6 S7 END ITEM RWA002F075CA 075CB 075CC 075CD 075CF NE 10 30 50 100 500 1000 C 4 1 1 00 00006 fearas L 1 69006 peeassvudu 1 2 99 uNoNSD 0006 bn iejssassaaize FUSECURREN 20 23 E 28 RLC ori 0020E LABEL MODEL NAME 14 SRK T 159 PANEL amp FAN ASSY 7 22 48 CRBEO388 14 SRK T 159 SRC10YN S3 S4 S5 S6 S7 END ITEM RWC003F096AA 096AB 096AC 096AD 096AF oe tewizam 1 1 b 1 1 1 4 sRowimao 5080 1 1 1 b 00 enueAnomr 1 1 4 31 0606 ae 906 06 o T Fe 90006 ee tlsasaaoar 1
14. 20g m The height of a wall is 1200mm or less Intake L3 3 Example installation Space gt 1 IV Size 11 Open 280 280 180 2 100 100 L3 100 80 80 80 14 250 250 Insulation of the connection portion Cover the coupling with insulator and then cover it with tape Outlet JL Vinyl tape Place the slit upward Earthing work O Earth work shall be carried out without fail in order to prevent electric shock and noise generation O The connection of the earth cable to the following substances causes dangerous failures therefore it shall never be done City water pipe Town gas pipe TV antenna lightning conductor telephone line etc HOW to relocate or dispose of the unit P Page 23 Outdoor unit O Where air is not trapped O Where the installation fittings can be firmly installed O Where wind does not hinder the intake and outlet pipes O Out of the heat range of other heat sources O A place where stringent regulation of electric noises is applicable O Where it is safe for the drain water to be discharged O Where noise and hot air will not bother neighboring residents O Where snow will not accumulate O Where strong winds will not blow against the outlet pipe O When the unit is installed the space of the following dimension and above shall be secured
15. Close the liquid valve with hexagon wrench key Gas side Fully open the gas valve Carry out cooling operation If indoor temperature is low operate forced cooling operation After low pressure gauge become 0 01MPa stop cooling operation and close the gas valve Forced cooling operation Turn on a power supply again after a while after turn off a power supply Then press continually the ON OFF button 5 seconds or more Installations test check points Check the following points again after completion of the installation and before turning on the power Conduct a test run again and ensure that the unit operates properly At the same time explain to the customer how to use the unit and how to take care of the unit following the instruction manual After installation Test run L The power supply voltage is correct as the rating L Air conditioning operation is normal No gas leaks from the joints of the operation valve noise Power crossover wires securely fixed the terminal board Water drains smoothly L The screw of the lid is tightened securely L Protective functions are not working screw of the service panel is tightened securely The remote control is normal L Operation valve is fully open pipe joints for indoor and outdoor pipes have been insulated L Operation of the unit has been explained to the customer
16. Fett SH control box and the remote control using the following sure to modify Jumper wire 72 9 5 Oris 6 len 5 both boards If only board is modified receiving operat gio SE o 2 59 REMOTES s l2 J1 0 AUTORESTART ion cannot be done 1260 III eer u oo a Modifying the indoor unit s printed circuit board ae 2 W33 Take out the printed circuit board from the control box and cut off jumper wire 0 W38 oe WS J2 using wire cutters After cutting of the jumper wire take measures to prevent contact with the other the lead wires etc b Modifying the wireless remote control 1 Remove the battery 11 Cut the jumper wire shown in the figure at right 5 6 14 SRK T 159 High power operation Pressing the HI POWER ECONO button intensifies the operating power and initiates powerful cooling operation for 15 minutes continuously The remote control displays and the FAN SPEED display disappears a During the HIGH POWER operation the room temperature is not controlled When it causes an excessive cooling press the press the HI POWER ECONO button again to cancel the HIGH POWER operation b HIGH POWER operation is not available during the DRY and the program timer operations c When HIGH POWER operation is set aft
17. Remark Do not perform a continuity check of the humidity sensor with tester If DC current is applied it Humidity sensor assembly could damage the sensor b Outdoor unit Operation Phenomenon mode Shortcircuit Disconnected wire Cooling System can be operated normally Compressor stop sensor Ourdoor air Cooling System can be operated normally Compressor stop temperature sensor Discharge pipe Compressor overload protection is disabled Senser All modes Can be operated Compressor stop 14 SRK T 159 9 Checking the indoor electrical equipment a Indoor PCB check procedure Is there voltage between terminal NO Inspect power source blocks 1 2 2 AC 220 230 240 foroutdoor nit V YES NO Is the fuse burnt out 3 15 A Replace fuse YES Y Is the voltage between terminal NO blocks 2 and 3 oscillating between Replace indoor PCB DC 0 and 20V YES Y Indoor electrical components are normal b Indoor unit fan motor check procedure This is a diagnostic procedure for determining if the indoor unit s fan motor or the indoor PCB is broken down 1 Indoor PCB output check a Turn off the power b Remove the front panel then disconnect the fan motor lead wire connector c Turn on the power If the unit operates when the ON OFF button is pressed if trouble is detected after the voltages in the following figure are output for
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20. Is connector connection good Correct connector connection YES Is fan motor resistance value good Disconnect the fan motor connector then investigate YES Replace indoor fan motor the fan motor and indoor Notes 1 See page 51 for the fan motor and indoor PCB check pro PCB separately Is the output of the indoor PCB NO normal YES Defective indoor PCB cedure 2 After making sure the fan motor and indoor PCB are nor mal connect the connectors and confirm that the fan motor 15 turning If power is turned on while one or the other is broken down it could cause the other to break down also Power supply reset Replace fan motor If the ls itn mmalizad error persists after replacing the fan motor replace the YES indoor PCB Malfunction by temporary noise 46 14 SRK T 159 Curr ent cut Compressor lock Compressor wiring short circuit Compressor output is open passe Outdoor PCB is faulty Service valve is closed EEV is faulty Compressor faulty In the service valves of the outdoor unit open Open the service valves Secure space for inlet and outlet Defective EEV For inspection of electronic expansion valve see page 54 Defective outdoor PCB P P Is there any shortcircuit Does electronic expansion valve operate normally When the inverter is operated after disconnecting the wires of compressor does
21. Three minute restart preventive timer When the air conditioner is restarted or when changing the operation the unit will not start operating for approximately 3 minutes This is to protect the unit and it is not a malfunction Necessary tools for the Installation space indoor unit installation work 50 6 100 1 Plus headed driver Indoor unit 5 187 5 394 187 5 2 Knife Installation board 157 455 157 Saw Piping for Gas 130 5 j j 508 130 5 e 4 Tape measure Piping for Liquid 2 gt 5 5 Hammer 5 Drain hose 2 FT 1 6 Spanner wrench 6 Space for service D 14 0 62 0N m Piping hole 5 7 Torque wrench 1 4 6 2kgf 0 9 E 1 Y 5 8 Hole drill 65mm diameter B des 9 Wrench key Hexagon 4m m Hexagon 5 55 9 10 Vacuum pump 10 11 Vacuum pump adapter Anti reverse flow type D 965 7 065 12 Gauge manifold 13 change hose Fixing of indoor unit 14 Flaring tool set 15 Gas leak detector Indoor unit Gauge for projection adjustment Used when 5 16 flare is made by using conventional flare tool Latch 2 locations Installation b
22. Troubleshooting procedure If the air conditioner does not run at all Tf the voltage is correct it will be within the following voltage 198 264 V Is the correct voltage NO Make sure the correct volt connected for the power age is connected then per supply form an operation check With power off do the flaps open manually NO Is the current fuse on the in N YES then close again when door unit PCB blown i 9 the power 15 turned on NO YES Proceed to the indoor PCB If the package components check are not damaged replace Is there a reception sound emitted from the NO unit when it is operated by the remote control YES Replace the indoor PCB and Proceed to the wireless remote perform an operation check control troubleshooting proce dure 4 Troubleshooting procedure If the air conditioner runs 14 SRK T 159 Confirm the contents of the customer complaint NO The cause of the trouble can be specifically identified YES Check the self diagnosis display See page 37 Y Is an error code displayed by NO the self diagnosis function YES Eliminate the cause of the trouble and perform an operation check Using the Service mode access the self diagnosis displays generated in the past See pages 38 44 YES Is there a history of s
23. b 660 ees 1 1 4 osa star rara 1 1 1 1 4 zjucmao j 1 4 4 00007 Re 6 14 SRK T 159 HEAT EXCH amp CONTROL CRAEO286 14 SRK T 159 SRK10YN S3 S4 S5 S6 S7 END ITEM RWA002F075AA 075AB 075AC 075AD 075AF 5 s al s sr i 10 50 100 500 1000 Renan Hersensvya 1 1 1 4 1 zmcssoos Jesse 9006 neaswuom 1 __ j j 1 1 b es A __ 1 ees uNoNs 1 Fore smcue 008 1 0006 1 L Renao 1 _ mlssesstatet amp eMsoRas 1 a a a a NGL SENSOR_ flssassams 1 1 4 4 50508708 j j j j 69006 af T 4 4 6056000 son _ j 1 1 b bausen seess j 1 9 rare sosa 9 j 4 aero sosa 2 1 4 81 se 60000 eevReAD A feo 1420 092 3 08 kass CONTROL j 2 3 s
24. mlasas os coverTermnat jJ 1 2 4 0606 wrrawse 06 weas j 2 oa 3 ajeno ora cora Jesse A assar 1 1 2 4 1 6078 conem oO 60008 sensorassy 1 1 4 4 MmaNeAasy 1 Jreew bauen bosseg 1 j b Ee 6806 Hoerre 1 1 1 4 609 Reactor j 1 1 xlaesiro semen 1 em xcieiron sPRINGLEAF stlawisama HopeswoR 1 1 oss 1 oss 1 3 es 14 SRK T 159 PANEL amp FAN ASSY Y lt 18 CRBEOS88 14 SRK T 159 SRC13YN S3 S4 S5 S6 S7 END ITEM NO RWC003F096BA 096BB 096BC 096BD 096BF Le 30 soo 1000 E EE L iewisam 1 1 1 4 000 1 1 2 of 06808 ae E L L L baam v je L F 90 ov A 1 1 4 4 cover assyservice 1 6 1 b _ 04 oss 6 3L 1 4 5
25. rps and even if the calculated re sult becomes lower than that after fuzzy calculation the speed is kept to 30 or 45 model SRK18 rps However when the thermo OFF the speed is reduced to 0 rps iii Reset conditions When either of the following condition is satisfied 1 The outdoor air temperature is lower than 40 2 The compressor command speed is 0 rps d Cooling high pressure control i Purpose Prevents anomalous high pressure operation during cooling ii Detector Outdoor heat exchanger sensor TH1 iii Detail of operation Example Fuzzy After of 20 over 8rps After lapse of 20 sec or over After lapse of 20 sec or over Outdoor heat exchanger temperature C Notes 1 When the outdoor heat exchanger temperature is in the range of B C C the speed is reduced by 8 rps at each 20 seconds 2 When the temperature is C or higher the compressor is stopped 3 When the outdoor heat exchanger temperature 15 in the range of C if the compressor command speed is been maintained and the opera tion has continued for more than 20 seconds at the same speed it returns to the normal cooling operation e Temperature list A B C Outdoor air temperature gt 32 50 52 56 Outdoor temperature lt 32 42 44 50 14 SRK T 159 Cooling low outdoor air temperature protective control i Operating conditions When t
26. x 4 cores Including earth cable Terminal block Screw fixing type IP number IPX0 IPX4 Standard accessories Mounting kit Option parts Note 1 The data are measured at the following conditions The pipe length is 5m item Indoor air temperature Outdoor air temperature operation DB WB DB WB Standards Cooling 27 C 19 C 35 C 24 C Heating 20 C 76 6 2 This air conditioner is manufactured and tested in conformity with the ISO 8 Sound level indicates the value an anechoic chamber During operation these values are somewhat higher due to ambient conditions 4 Select the breaker size according to the own national standard 8 The refrigerant quantity to be charged includes the refrigerant in 15 m connecting piping purging is not required even for the short piping RWA000Z259 Model SRK18YN S 14 SRK T 159 Model SRK18YN S Item Indoor unit SRK18YN S Outdoor unit SRC18YN S Power source 1 Phase 220 240V 50Hz Nominal cooling capacity range kW 5 0 0 9 Min 5 1 Max Nominal heating capacity range kW Power Cooling 1 64 0 22 1 96 Heating kW Max power consumption 2 00 Running Cooling 7 8 7 4 7 1 220 23
27. 10 Outline of dry dehumidifying operation 28 11 Outline of automatic operation _ 29 12 Protection control function 30 8 MAINTENANCE DATA 35 EEUU cs4 Pa 35 2 Items to check before troubleshooting 35 3 Troubleshooting procedure If the air conditioner does not run at all 35 4 Troubleshooting procedure If the air conditioner runs 36 b Self diagnosis table 2 37 6 Service mode Trouble mode access function 38 7 Inspection procedures corresponding to detail of trouble 46 14 SRK T 159 8 Phenomenon observed after shortcircuit wire breakage on sensor 50 9 Checking the indoor electrical equipment 51 10 How to make sure of wireless remote control 52 11 Outdoor unit inspection points 53 How to read the model Example SRK 10 Y N S Series code Inverter type Product capacity Cooling capacity 10 2 5kW 13 3 2kW 18 5 0kW Model name SRK Wall mounted type SRC Outdoor unit 1 SPECIFICATIONS
28. 2 5 C or lower Item 0 rps Protects the fan tap just before Lower limit of compressor command speed 22 rps 0 rps 2 5 5 8 Indoor heat exchanger temperature C Indoor fan Depends on operation mode frost prevention control Outdoor fan Depends on command speed Depends on stop mode Notes 1 When the indoor heat exchanger temperature is in the range of 2 5 5 C the speed is reduced by 4 rps at each 20 seconds 2 When the temperature is lower than 2 5 C the compressor is stopped 3 When the indoor heat exchanger temperature is in the range of 5 8 C the compressor command speed is been maintained iii Reset conditions When either of the following condition is satisfied 1 The indoor heat exchanger temperature Th2 is 8 C or higher 2 The compressor command speed is 0 rps 14 SRK T 159 c Cooling overload protective control i Operating conditions When the outdoor air temperature TH2 has become continuously for 30 seconds at 41 C or more or 47 C or more Model SRK18 41 C or more with the compressor run ning the lower limit speed of compressor is brought up Outdoor air temperature SRK10 13 SRK18 41 C or more 47 C or more 41 C or more Lower limit speed ii Detail of operation 1 The outdoor fan 15 stepped up by 3 speed step Upper limit 8th speed 2 The lower limit of compressor command speed is set to 30 or 45 model SRK18 30
29. 20 or higher 2 If the measured value is below the value when the motor is normal it means that 3 White Black 20 or higher the fan motor is faulty 14 SRK T 159 INDOOR UNIT SRK10YN S3 S4 S5 S6 S7 SRK13YN S3 S4 S5 S6 S7 SRK18YN S3 S4 S5 S6 S7 OUTDOOR UNIT SRC10YN S3 S4 S5 S6 S7 SRC13YN S3 S4 S5 S6 S7 SRC18YN S3 S4 S5 S6 S7 14 SRK T 159 PANEL amp FAN ASSY CRAEO285 14 SRK T 159 SRK10YN S3 S4 S5 S6 S7 END ITEM RWA002F075AA 075 075 075AD OTSAF mem IPIS o so s T soo 100 A E D RR zeen 4 2 4 60000 piareornamenr 1 1 1 2 x 1 q1 4g 660 890086 A sce os poorer 3 660 1 1 1 31 00 1 b 4 31 66006 L 8 1 1 4 4 o ofca 2 1 b 4 00 _ 2 1 1 1 4 ero sas oe 4 ban 1 1 ssaa Josepas 9008 1 L L L uk HARwEssAsy 1 1 a tay A 1 1 1 4 1 b j 41 easeworor 1 1 1 41 1 a j
30. 6 1 0086 1 6 ___ 1 o 06 1 1 1 6 006006 eege 00 Pura 1 6660608 1 1 4 6 rlReviiiaooir Baseassl 14 SRK T 159 HEAT EXCH amp CONTROL SY AS CRBEO392 14 SRK T 159 SRC18YN S3 S4 S5 S6 S7 END ITEM RWC003F097AA 097 097AC 097AD LO N esc ss 100 soo 100 EEES 1 1 4 905 Pa Th Rovas oeuaw 1 22593561500 12259381300 6 jJ 1 aere jwavesov b 1 6 1 MAvesevetu aqua i0laevsetaoa jwAveseRveru 1 a a a jas 1010202 NuAroNeMP 1 000006 NsuaroNeM 1 600 af _ 1 3 3 sjasazoacas 1 7 a af 66000 ae wjmwcencon cusmowmumeg T 1 BREET 1 1 2 x s
31. 6 case the barrier is 1 2m above in height or is overhead the sufficient space between the unit and wall shall be secured 6 5 cm minimum from the ceiling 5 cm minimum from the wall Installation board 10 cm minimum from the wall sold separately CAUTION Completely seal the hole on the wall with putty Otherwise furniture or other may be wetted by leaked water or dewing Wireless remote control B Remote control holder S c Wood screws xy ell C M Wu Indoor Outdoor N Service side 4 side panel for putty 8 2 electrical parts Relation between setting plate and indoor unit C Page 23 How to remove and install the front panel O Removing Remove the 2 set screws Remove the 3 latches in the upper section And take off the front panel Latches O Installing Cover the body with the front panel And lock the latches on the base Tighten the 2 set screws Carry out in the above order Set screws 14 SRK T 159 Installation of indoor unit Installation of Installation board Installation space indoor unit Page 23 O Adjustment of the installation board in the horizontal direction is to be Look for the inside wall structures Intermediate support or pillar and conducted with four screws in a temporary tightened state firmly install the unit after level surface has been checked O Adjust so
32. LO Remote control information on fifth previous occasion MED Outdoor atr temperature sensor temperature on fifth previous occasion Fan HI Outdoor heat exchanger sensor temperature on fifth previous occasion AUTO Discharge pipe sensor temperature on fifth previous occasion 21 Stop code on previous occasion 22 Stop code on second previous occasion 23 Stop code on third previous occasion 24 Stop code on fourth previous occasion 25 Stop code on fifth previous occasion Cooling LO 26 Stop code on sixth previous occasion 27 Stop code on seventh previous occasion 28 Stop code on eighth previous occasion 29 Stop code on ninth previous occasion 30 Stop code on tenth previous occasion Judgment S 5 Remarks 14 SRK T 159 7 Inspection procedures corresponding to detail of trouble Sensor error Broken sensor wire connector poor connection Is connector connection good YES NO Is sensor resistance value good YES Replace PCB Discharge pipe sensor temperature characteristics 4 Sensor temperature characteristics Room temp indoor heat exchanger temp out door heat exchanger temp outdoor air temp Broken wire 180 Broken wire 30 160 25 140 120 20 100 5 5 15 E 80 2 9 9 10 60 40 5 20 Short circuit 0 Short circuit _ Temperature C Temperature C Defective fan motor connector poor Indoor fan motor error 7 defective
33. Max 10 Outdoor unit is lower Drain hose Hose connectable VP 16 Holes 20 x 2 pcs Drain pump max lift height mm Recommended breaker size A 16 L R A Locked rotor ampere A 3 9 3 7 3 6 220 230 240 V Interconnecting wires Size x Core number 1 5mm x 4 cores Including earth cable Terminal block Screw fixing type IP number IPXO IPX4 Standard accessories Mounting kit Option parts Note 1 The data are measured at the following conditions The pipe length is 5m item Indoor air temperature Outdoor air temperature operation DB WB DB WB Standards Cooling 27 C 19 C 35 C 24 C Heating 20 C 6 Rosier 2 This air conditioner is manufactured and tested in conformity with the ISO 3 Sound level indicates the value in an anechoic chamber During operation these values are somewhat higher due to ambient conditions 4 Select the breaker size according to the own national standard 5 The refrigerant quantity to be charged includes the refrigerant in 10 m connecting piping purging is not required even for the short piping If the piping length is longer when it is 10 to 15 m add 20 g refrigerant per meter RWA000Z259 4 Model SRK13YN S 14 SRK T 159
34. Outdoor PCB is faulty When the compressor command speed is lower than 32 Compressor is faulty rps for 60 minutes Compressor is faulty Compressor output is open phase Aft 0 8 E er the compressor starts when the compressor stops OFF 60 Rotor lock Electronic expansion valve is faulty P due to rotor lock 2 times Overload operation Outdoor PCB is faulty 6 time 5 flash 4 time Connection lines between the Connection lines are faulty When 10 seconds passes after the power is turned 61 indoor and outdoor units are without communications signals from the indoor or flash Indoor or outdoor PCB are faulty BA faulty outdoor unit being detected correctly 2 time Indoor or outdoor PCB are faulty When 7 minute 35 seconds passes without flash 62 Serial transmission error Noise is causing faulty operation communications signals from either the outdoor unit or Q e indoor unit being detected correctly the ind t being detected tly Indoor unit s fan motor is Indoor fan motor is faulty When the indoor unit s fan motor is detected to be running OFF 80 abnormal Connector connections are poor at 300 min or lower speed with the fan motor in the ON Q Indoor PCB is faulty condition while the air conditioner is running 5 2 time Indoor heat exchanger sensor Indoor heat exchanger sensor wire is When a temperature of 28 C or lower is sensed flash 82 is abnormal anomalous stop disconnected continuously for 40 minutes
35. can cause malfunction Use the original accessories and the specified components for installation If parts other than those prescribed by us are used it may cause water leaks electric shocks fire and personal injury Install the unit in a location with good support Unsuitable installation locations can cause the unit to fall and cause material damage and personal injury Ensure the unit is stable when installed so that it can withstand earthquakes and strong winds Unsuitable installation locations can cause the unit to fall and cause material damage and personal injury Ventilate the working area well in the event of refrigerant leakage during installation If the density of refrigerant exceeds the limit please consult the dealer and install the ventilation system otherwise lack of oxygen can occur which can cause serious accident When installing in small rooms take prevention measures not to exceed the density limit of refrigerant in the event of leakage referred by the formula accordance with 1505149 If the density of refrigerant exceeds the limit please consult the dealer and install the ventilation system otherwise lack of oxygen can occur which can cause serious accident After completed installation check that no refrigerant leaks from the system If refrigerant leaks into the room and comes into contact with an oven or other hot surface poisonous gas is produced Use the prescribed pipes flare nuts and tool
36. digit flashes 4 times and the TIMER light 1 s digit flashes 2 times 4x10 2x 1 42 gt From the table read the instructions for error code 42 current cut 1 5 sec ON RUN light 10 s digit OFF TIMER light Ps digit OFF 11 second interval gt 4 When in the service mode when the remote control settings operation switching fan speed switching temperature setting are set as shown in the following table and sent to the air conditioner unit the unit switches to display of service data Self diagnosis data What are Self These are control data reasons for stops temperature at each sensor remote control information diagnosis Data from the time when there were error displays abnormal stops in the indoor unit in the past Data from up to 5 previous occasions are stored in memory Data older than the Sth previous occasion are erased The temperature setting indicates how many occasions previous to the present setting the error display data are and the operation switching and fan speed switching data show the type of data Remote control setting SS Contents of output data Operation switching Fan speed switching MED Displays the reason for stopping display in the past error code Cooling HI Displays the room temperature sensor temperature at the time the error code was displayed in the past AUTO Displays the indoor heat exchanger sensor temperature at the time the error code was
37. during heating operation Connector connections are poor the compressor stops 8 time n 4 time i idi iti 4 flash 84 Anti condensation control High humidity condition Anti condensation prevention control is operating flash Humidity sensor is faulty 5 time i fr r 85 control Indoor unit fan speed When the anti frost control operates and the compressor flash Indoor heat exchanger sensor is broken wire stops during cooling operation Heating overload operation P 6 time When high pressure control operates during heatin 86 Heating high pressure control Indoor unit fan speed drops P 5 flash 2 operation and the compressor stops Indoor heat exchanger sensor is short circuit 14 SRK T 159 Note 1 The number of flashes when in the Service Mode do not include the 1 5 second period when the lights light up at first start signal See the example shown below In the case of current cut example stop code 42 The RUN light 10 s digit flashes 4 times and the TIMER light 17 digit flashes 2 times 4x10 2x 1 42 gt From the table read the instructions for error code 42 Current cut 1 5 sec RUN light 10 s digit OFF ON TIMER light 1 digit OFF 11 second interval pe gt 2 Abnormal Stop 15 not displayed automatic recovery only ODisplayed Ifthereisa displayed the e
38. fan motor amp compresson Electric heater Remote control Wireless remote control Operation control Room temperature control Microcomputer thermostat Operation display RUN Green TIMER Yellow Compressor overheat protection Overcurrent protection Safety equipments Frost protection Serial signal error protection Indoor fan motor error protection Cooling overload protection Refrigerant piping size O D mm Liquid line 6 35 1 4 Gas line 12 7 1 2 Connecting method Flare connection Flare connection Attached length of piping m Liquid line 0 39 Gas line 0 32 Installation Ee data Insulation for piping Necessary Both sides independent Refrigerant line one way length m Max 25 Vertical height diff between O U I U m Max 15 Outdoor unit is higher Max 15 Outdoor unit is lower Drain hose Hose connectable VP 16 Holes 20 x 2 pcs Drain pump max lift height mm Recommended breaker size A 16 L R A Locked rotor ampere A 7 8 7 4 7 1 220 230 240 V Interconnecting wires Size x Core number 1 5mm x 4 cores Including earth cable Terminal block Screw fixing type IP number IPXO IPX4 Standard accessories Mounting kit Option parts Note 1 The data are measured at the following conditions The pipe length is 5m item Indoor air temperature Outdoor air temperature operation DB WB DB WB Standards Cooling 27 C 19 C 35 C 24 C ISO5151 T1 Heating 20 6 C 2 This ai
39. minutes is over the unit starts again within hour but there is no start at the third time g Current safe i Purpose Current is controlled not to exceed the upper limit of the setting operation current ii Detail of operation Input current to the converter is monitored with the current sensor fixed on the printed circuit board of the outdoor unit and if the operation current value reaches the limiting current value the compressor command speed is reduced If the mechanism is actuated when the speed of compressor command is less than 30 rps the compressor is stopped immediately Operation starts again after a delay time of 3 minutes h Current cut i Purpose Inverter is protected from overcurrent ii Detail of operation Output current from the converter is monitored with a shunt resistor and if the current exceeds the setting value the compressor is stopped immediately Operation starts again after a delay time of 3 minutes i Outdoor unit failure This is a function for determining when there is trouble with the outdoor unit during air conditioning The compressor is stopped if any one of the following in item 1 ii is satisfied Once the unit is stopped by this function it is not restarted i When the input current is measured at 1 A or less for 3 continuous minutes or more ii If the compressor command sends 0 rps signal to the indoor unit 3 times or more within 20 minutes of the power being turned on
40. sensor wire disconnection is detected while operation is 1 time ON Indoor heat exchanger Wire poor connector stopped If a temperature of 28 C or lower is detected for 15 seconds it is flash sensor error connection judged that the wire is disconnected Indoor PCB is faulty Not displayed during operation Broken room temperature When a room temperature sensor wire disconnection is detected while operation 2 time ON Room sensor wire poor connector is stopped If a temperature of 45 C or lower is detected for 15 seconds it is temperature i 1 ire is di flash connection judged that the wire is disconnected sensor Indoor PCB is fault Not displayed during operation y play 8 5 time ON Active filter D ive fil When the wrong voltage connected for the power supply flash voltage error EES DE When the outdoor PCB is faulty When conditions for turning the indoor unit s fan motor on exist during air 6 time Indoor fan Defective fan motor poor i Ge 5 Statuen conditioner operation an indoor unit fan motor speed of 300 min or lower is flash measured for 30 seconds or longer The air conditioner stops Refrigeration 7 time ON cycle system Service valve ni closed When refrigeration cycle system protective control operates flash protective Refrigerant is insufficient control Oud Broken outdoor air temp 55 or lower is detected for 5 seconds continuously 3 times within 40 mi
41. the board will be level by turning the board with the 394 standard hole as the center s Level position 2 locations Mating mark for level surface Standard hole Drilling of holes fixture sleeve Option parts When drilling the wall that contains a metal lath wire lath or metal plate be sure to use pipe hole sleeve sold separately C 9 0 gt Thickness of the wall 1 5 cm O Putty Indoor side Outdoor side Indoor side Outdoor side Installed state ODrill a hole with whole drill Oln case of rear piping draw out cut off the lower and the right side portions of the sleeve collar Preparation of indoor unit Terminal block Mounting of connecting wires screw of the lid is tightened Securely gt Terminal cover Remove the lid the terminal cover and wiring clamp Connect the connecting wire securely to the terminal block 1 Connect the connection wire securely to the terminal block If the wire is not affixed completely contact will be poor and it is dangerous as the terminal block may heat up and catch fire 2 Take care not to confuse the terminal numbers for indoor and outdoor connections Fix the connecting wire by wiring clamp Attach the terminal cover and
42. to the one way piping length between the indoor and outdoor units How to obtain the cooling capacity Example The net cooling capacity of the model SRK13YN S with the piping length of 15m indoor wet bulb temperature at 19 0 3120W and outdoor dry bulb temperature 35 C is Net cooling capacity 3200 Xx 0 975 x 1 0 SRKI3YN S Length 15m Factor by air temperatures 16 6 APPLICATION DATA When install the unit be sure to check whether the selection of installation place power supply specifications usage limitation piping length height differences between indoor and outdoor units power supply voltage and etc and installation spaces Safety precautions 14 SRK T 159 WALL TYPE AIR CONDITIONER R410A REFRIGERANT USED e Read the Safety precautions carefully first of all and strictly follow it during the installation work in order to protect yourself e The precautionary items mentioned below are distinguished into two levels N WARNING and A CAUTION A WARNING CAUTION Wrong installation would cause serious consequences such as injuries or death Wrong installation might cause serious consequences depending on circumstances Both mentions the important items to protect your health and safety so strict follow them by any means Be sure to confirm no anomaly on the equipment by commissioning after completed installation
43. walt 1 minute or longer t Turn the air conditioner s power on again while pressing the unit ON OFF button T 1 If the buzzer does not sound matter how NO Did a buzzer located in many times you repeat the operation the the indoor unit sound unit ON OFF button may be faulty y YES Within 1 minute after turning the air condition 2 Set the remote control s settings on Cooling er s power on signals will be sent from the operation Fan speed MED and Set tem remote control gt perature 21 Count the number of times the RUN light and TIMER light flash and check the contents of the error etc from the table See page 41 NO Turn off the air conditioner s power to terminate the Are other data displayed service mode If you are going to turn the power on again wait 1 minute or longer after turning it off YES Change the remote control settings based on the instructions in the table See page 39 14 SRK T 159 3 To count the number of flashes in the service mode count the number of flashes after the light lights up for 1 5 second initially start signal The time that the light lights up for 1 5 second start signal is not counted in the number of flashes e In the case of current cut example stop code 42 The RUN light 10 s
44. which generate high frequency harmonics are used Locations with salty atmospheres such as coastlines Locations with heavy snow If installed be sure to provide base flame and snow hood mentioned in the manual Locations where the unit is exposed to chimney smoke Locations at high altitude more than 1000m high Locations with ammonic atmospheres Locations where heat radiation from other heat source can affect the unit Locations without good air circulation Locations with any obstacles which can prevent inlet and outlet air of he unit e Locations where short circuit of air can occur in case of multiple units installation Locations where strong air blows against the air outlet of outdoor unit Locations where something located above the unit could fall It can cause remarkable decrease in performance corrosion and damage of components malfunction and fire Do not install the indoor unit in the locations listed below Be sure to install the indoor unit according to the installation manual for each model because each indoor unit has each limitation Locations with any obstacles which can prevent inlet and outlet air of he unit Locations where vibration can be amplified due to insufficient strength of structure Locations where the infrared receiver is exposed to the direct sunlight or he strong light beam in case of the infrared specification unit Locations where an equipment affected by hi
45. 0 240 V current Heating A Inrush current max current 7 8 7 4 7 1 220 230 240 12 5 Operation Coolin 96 data Power factor Heating EER Cooling 3 05 COP Heating li Sound power level coo ng Heating Cooling dB A Hi 49 39 Lo 25 55 Sound pressure level Heating Silent mode sound pressure level Exterior dimensions Height x Width x Depth mm 262 x 769 x 210 595 x 780 62 x 290 Exterior appearance Fine snow Stucco white Munsell color 8 0Y 9 3 0 1 near equivalent 4 2Y 7 5 1 1 near equivalent Net weight kg 7 5 39 5 Compressor type amp Q ty 128 Twin Potary type 1 Compressor motor Starting method kW 1 10 Inverter driven Refrigerant oil Amount type 2 0 45 FVC68D Refrigerant Type amount pre charge length kg R410A 1 20 in outdoor unit incl the amount for the piping of 15m Heat exchanger Louver fins amp inner grooved tubing Louver fins 8 inner grooved tubing Refrigerant control Capillary tubes Electronic expansion valve Fan type amp Q ty Tangential fan x 1 Propeller fan x 1 Fan motor Stating method w 30 Direct drive 24 Direct drive li Hi 10 1 Me 7 2 Lo 3 8 35 Air flow T9 min o Heating Available external static pressure Pa 0 0 Outside air intake Not possible Airfiter Quality Quantity Polypropylene net washable x 1 Shock amp vibration absorber Rubber sleeve for fan moton Rubber sleeve for
46. 0 seconds the corresponding outdoor heat exchanger temperature shall implement the following controls Value of A Outdoor fan Outdoor temperature gt 10 C Outdoor temperature lt 10 C 1st speed a Outdoor heat exchanger temperature TH1 21 2nd speed After the outdoor fan speed drops down to 1 speed for 60 seconds if the outdoor heat exchanger tempera ture is lower than 21 C gradually reduce the outdoor fan speed by 1 speed Lower limit 1st speed b 21 C lt Outdoor heat exchanger temperature THI 38 After the outdoor fan speed maintains at A speed for 20 seconds if the outdoor heat exchanger temperature is 21 C 38 C maintain outdoor fan speed Outdoor heat exchanger tempeature TH1 gt 38 After the outdoor fan speed rises up to 1 speed for 60 seconds if the outdoor heat exchanger temperature is higher than 38 gradually increase outdoor fan speed by 1 speed Upper limit 3rd speed 3 Reset conditions When either of the following conditions is satisfied a The outdoor air temperature TH2 is 25 or higher b The compressor command speed is 0 rps 14 SRK T 159 8 MAINTENANCE DATA 1 Cautions a If you are disassembling and checking an air conditioner be sure to turn off the power before beginning When working on indoor units let the unit sit for about 1 minute after turning off the power before you begin work When working on an outdoor unit there
47. 0mA 0 15 or less 30 2 0mm 16 1 5mm X 4 Keep the openings of the pipes covered with tapes etc to prevent dust sand etc from entering them ZN CAUTION e Do not apply refrigerating machine oil to the flared surface Outdoor OSs SU Remove Unit mm Dimension A Liquid side 9 1 L Gas side SRK10 13 13 2 SRK18 16 6 Do not turn a Press Remove ORemove the flared nuts on both liquid and gas sides ORemove the flared nuts on both liquid and gas sides Olnstall the removed flared nuts to the pipes to be connected then flare the pipes e Flaring work Measurement B mm Use a flare tool designed for R410A or a conventional Copper pipe B ee Pe Clutch type flare Conventional R22 flare tool flare tool Please note that measurement B protrusion tool for R410A Clutch type Wing nut type _ from the flaring block will vary depending on the type N F 6 35 0 0 0 5 1 0 1 5 1 5 2 0 of a flare tool in use If a conventional flare tool is used A 9 52 0 0 05 1 0 1 5 1 5 2 0 please use a copper pipe gauge or similar instrument to check protrusion so that you can keep measurement B to Flaring block A 12 7 0 0 0 5 1 0 1 5 2 0 2 5 a correct value Copper pipe Connection And ei And ei OConnect the pipes on both liquid and gas sides L
48. 2 Detected value of humidity is 68 or higher ii Contents of operation 1 Air capacity control P Tace SRK10 13 SRK18 6 Upper limit of compressor s command speed RangeA 45rps RangeB 45105 RangeA 50rps RangeB 34rps Indoor fan 4th speed Upper limit of compressor s command speed RangeA 45rps RangeB 45rps RangeA 50rps RangeB 34rps Indoor Adaptable to compressor s command speed Lower limit 4th speed Note 1 Ranges A and B are as shown below Range B Range A 68 73 Humidity 2 When this control has continued for more than 30 minutes continuously the following wind direction control is per formed a When the vertical wind direction is set at other than the vertical swing the flaps change to the horizontal position b When the horizontal wind direction is set at other than the horizontal swing the louver changes to the vertical position 1 Resetting condition When any of followings is metdirec 1 2 Compressor s command speed is less than 32 rps SRK10 13 only Detected value of humidity 15 less than 63 b Frost prevention control During cooling or dehumidifying i Operating conditions 1 Indoor heat exchanger temperature Th2 is lower than 5 C compressor 2 5 minutes after reaching the compressor command speed except 0 rps WEE OS ii Detail of anti frost operation Lower limit 7777777 speed Indoor heat exchanger temperature 5 C or lower
49. 981S sq Josues al Josues Wooy UL Josues Aypiunpg aH Jojow 4 We UB Na ANO INNO Jojeuuo uonduoseg TT MS dNv d LINN OL SS3T3HIM AY1dsIq MAA 9 N F sa s al f N NO ASSV V91 A0SC 1 2 x8 T1 1 NZS x 9 9 99 WNO T 7 2 gt ERG 1 xog 6 Le pe M3ONVHOX3 Wa NS 1V3H 1V3H RWA000Z250 11 14 SRK T 159 2 Outdoor units Models SRC10YN S 13YN S 18YN S YOSN3S dN3L 3dld 39HVHOSIG YOSN3S dWAL HIV YOOALNO ZHL LINN 1 HOSN3S YSONVHOXS LHL MOTISA YOLOVAY 3 3ONVHO YOLOW NV ond 3LIHM 109 3ATVA NOISNVdX3 91419373 YOLOW YOSSIYANOD INO GN393T ZHL LHL A33 4 4 4 4 6 C a s sz DAS EN
50. CLEAN switch This switch selects the CLEAN mode CANCEL button This button cancels the ON timer OFF timer and SLEEP operation Unit display section OFF TIMER button This button selects OFF TIMER operation ACL switch o d This switch is for resetting microcomputer and setting time e The above illustration shows all controls but in practice only the relevant parts are shown Remote control signal receiver 5 Unit ON OFF button ON OFF This button can be used for turning on off the unit when remote control is not available RUN light green llluminates during operation 3 sec ON CLEAN operation OFF 1 sec TIMER light yellow llluminates during TIMER operation A 14 SRK T 159 2 Unit ON OFF button When the remote control batteries become weak or if the remote control is lost or malfunctioning this button may be used to turn the unit on and off a Operation Push the button once to place the unit in the automatic mode Push it once more to turn the unit off b Details of operation The unit will go into the automatic mode in which it automatically determines from room temperature as detected by sensor whether to go into the cooling or thermal dry modes Function Room temperature Fan speed Flap switch Operation mode setting COOL About 24 Auto Auto Continuous DRY About 24
51. Defective fan motor poor connector connection TIMER light Description of trouble Cause 4 RUN 1 time flash Outdoor temperature sensor error Broken outdoor sensor wire poor connector connection e men 2 time flash Outdoor heat exchanger fluid pipe Broken heat exchanger fluid pipe sensor wire poor connector connection oy sensor error RUN light 4 time flash Discharge pipe sensor error Broken discharge pipe sensor wire poor connector connection keeps flashing RUN light 2 time flash Rotor lock Defective compressor 2 time flash Open phase on compressor Defective outdoor unit boards TIMER light Description of trouble Cause 1 time flash Current cut Compressor locking open phase on compressor output shortcircuit on power transistor closed service valve 2 time flash Trouble of outdoor unit Broken power transistor broken compressor wire Broken discharge pipe sensor wire poor connector connection RUN light ON Compressor blockage 3 time flash Over current Overload operation overcharge 4 time flash Power transistor error Broken power transistor 5 time flash Over heat of compressor Gas shortage defective discharge pipe sensor closed service valve 6 time flash Error of signal transmission Defective power supply Broken signal wire defective in outdoor unit boards 7 time f
52. HINO 2 ol 1 DNIHOLIMS wan ST TA 191 A 2 Ta 2 9 08 Ge 05 4 on L Sm MN e gt gt M AN H rare URBES i VOc 3SION 4 4 N 1 d Ney 1 A0SZ HOLSISNVHL 0 Z ASSY L CH DL JA HAA Ma al 9018 4 PIPING SYSTEM Model SRK10YN S Indoor unit Flare Outdoor unit connection Service valve LX Discharge pipe Gas pipe es temp sensor 0 Heat N_Check joint gg Room temp exchanger 9 52 TH3 sensor Th b F Humidity SenSOT HD Heat Y exchanger Compressor Electronic Liquid Service valve Liquid 66 35 x Flare connection V Model SRK13YN S Indoor unit Outdoor unit Flare connection gt lt 4 Discharge pipe Gas pipe temp sensor _2 Heat N Check joint Room temp exchanger 9 52 TH3 sensor sensor Thi Y f Th2 Service valve Humidity sensor HD Heat x exchanger Compressor Electronic expansion valve Liquid Service valve EEV Pipe Liquid 6635 WO Capillary tube Flare connection V 4 Cooling cycle
53. Manual No 14sSRK T 159 RESIDENTIAL AIR CONDITIONING TECHNICAL MANUAL amp PARTS LIST INVERTER WALL MOUNTED RESIDENTIAL AIR CONDITIONERS Split system air cooled cooling only type SRK10YN S SRK13YN S SRK18YN S MITSUBISHI HEAVY INDUSTRIES LTD POO OOOO OOOO OOOO OO OOOO OOOO OOOO OOOO TECHNICAL MANUAL WOOO OOOO OOOO OOOO OOOO OOOO OOOO OOOO o gt gt o gt 14 SRK T 159 CONTENTS 1 SPECIFICATIONS U U u u 4 2 EXTERIOR DIMENSIONS ai EEN 7 ee 7 2 Outdoor 8 3 Wireless remote control 0iiicdieniiiidoislltediieidlsiaiatesiiasslk es 10 ELECTRICAL WIRING 22 11 1 Indoor TE 11 2 ose UNIS 12 PIPING SYSTEM RE 13 5 RANGE OF USAGE 8 LIMITATIONS 15 000 17 7 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 24 1 Operation control function by remote control 24 2 Unt ON OFF rc 25 3 Auto restart function 8 25 4 Custom cord switching procedure 25 5 High power operation aia 26 6 Economy operation cm 26 aE exec sie Eee ee 27 27 Timer 8 9 Outline of cooling operation asiisszssizsscssicscscscscscicsocsoboisvsessdusevcboscvescotasbs 28
54. Model SRK10YN S 14 SRK T 159 Model SRK10YN S Item Indoor unit SRK10YN S Outdoor unit SRC10YN S Power source 1 Phase 220 240V 50Hz Nominal cooling capacity range kW 2 5 1 0 Min 2 8 Max Nominal heating capacity range kw Power Cooling 0 77 0 25 1 010 consumption Heating kW Max power consumption 1 31 Running Cooling 3 9 3 7 3 6 220 230 240 V current Heating A Inrush current max current 3 9 3 7 3 6 220 230 240 V 7 5 Operation Coolin 90 data Power factor 9 EER Cooling 3 25 COP Heating li Sound power level ng Heating Cooling dB A Hi 43 Me 36 Lo 24 47 Sound pressure level Heating Silent mode sound pressure level Exterior dimensions Height x Width x Depth mm 262 x 769 x 210 540 x 645 57 x 275 Exterior appearance Fine snow Stucco white Munsell color 8 0Y 9 3 0 1 near equivalent 4 2 7 5 1 1 near equivalent Net weight kg 7 25 Compressor type amp Q ty RM B5077MDE5 Rotary type x 1 Compressor motor Starting method kw 0 75 Inverter driven Refrigerant oil Amount type 2 0 3 DIAMOND FREEZE 68 Refrigerant amount l
55. ON 1 Pressure When the value of the outdoor heat exchanger sensor exceeds the set value flashing sensor wire protection Service valve is closed H Defective compressor If the compressor motor s magnetic pole positions cannot be correctly detected 2 time 2 time flash flash Rotor lock Open phase on compressor when the compressor starts Defective outdoor PCB The air conditioner stops Notes 1 The air conditioner cannot be restarted using the remote control for 3 minutes after operation stops 14 SRK T 159 6 Service mode Trouble mode access function This air conditioner is capable of recording error displays and protective stops service data which have occurred in the past If self diagnosis displays cannot be confirmed it is possible to get a grasp of the conditions at the time trouble occurred by checking these service data a Explanation of terms Term Explanation The service mode is the mode where service data are displayed by flashing of the display lights Service mode when the operations in item below performed with the indoor control These are the contents of error displays and protective stops which occurred in the past in the air conditioner system Error display contents and protective stop data from past anomalous Service data operations of the air conditioner system are saved in the indoor unit control s non volatile memory memory which is not erased when t
56. Perform wiring making wire terminal numbers conform to terminal numbers of indoor unit terminal block OConnect using ground screw located near mark OAlways perform grounding system installation work with the power unplugged OConnect a pair bearing a common terminal number with an indoor outdoor connecting wire OFasten cables securely with cable clamps so that no external force may work on terminal connections OGrounding terminals are provided in the control box ZN CAUTION e Always use an earth leakage circuit breaker designed for inverter circuits to prevent a faulty operation Indoor Outdoor connecting wire Power cable power cable indoor outdoor connecting wire circuit diagram OSwitchgear or Circuit breaker capacity which is calculated from MAX over current should be chosen along the regulations in each country OThe cable specifications are based the assumption that metal or plastic conduit is used with no more than three cables contained in a conduit and a voltage drop is 2 For an installation falling outside of these conditions please follow the internal cabling regulations Adapt it to the regulation in effect in each country Connection of refrigerant pipings Indoor Switchgear or Circuit Breaker Over current protector rated capacity 16 Interconnecting and grounding wires minimum Power source Earth leakage breaker b c minimum Switch breaker 15A 3
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58. and damage base flame can cause the unit falling down and cause personal injury Do not use any materials other than a fuse with the correct rating in the location where fuses are to be used Connecting the circuit with copper wire or other metal thread can cause unit failure and fire Do not touch any buttons with wet hands It can cause electric shocks Do not touch any refrigerant pipes with your hands when the system is in operation During operation the refrigerant pipes become extremely hot or extremely cold depending the operating condition and it can cause burn injury or frost injury Do not touch the suction or aluminum fin on the outdoor unit This may cause injury Do not put anything on the outdoor unit and operating unit This may cause damage the objects or injury due to falling to the object Do not use the unit for special purposes such as storing foods cooling precision instruments and preservation of animals plants or art Do not clean up the unit with water Check before installation work Model name and power source e Refrigerant piping length e Piping wiring and miscellaneous small parts 14 SRK T 159 Standard accessories installation kit C Page 22 Necessary tools for the installation work 23 Option parts Page 23 Selection of installation location Install at location that meets the following conditions after getting approval from the customer O Where
59. and explain the operating methods as well as the maintenance methods of this equipment to the user according to the user s manual Keep the installation manual together with user s manual at a place where any user can read at any time Moreover if necessary ask to hand them to a new user e For installing qualified personnel take precautions in respect to themselves by using suitable protective clothing groves etc and then perform the installation works e Please pay attention not to fall down the tools etc when installing the unit at the high position e If unusual noise can be heard during operation consult the dealer The meanings of Marks used here are shown as follows O Never do it under any circumstances instruction Always it according to the Z WARNING Installation must be carried out by the qualified installer If you install the system by yourself may cause serious trouble such as water leaks electric shocks fire and personal injury as a result of a system malfunction Do not carry out the installation and maintenance work except the by qualified installer Install the system in full accordance with the installation manual Incorrect installation may cause bursts personal injury water leaks electric shocks and fire Be sure to use only for household and residence If this appliance is installed in inferior environment such as machine shop and etc it
60. approximately 30 seconds it means that the indoor PCB is normal and the fan motor is broken down If the voltages in the following figure are not output at connector pins No 1 4 and 5 the indoor PCB has failed and the fan motor is normal DC several V 4 6 V GND DC 308 336V DC15V Measuring Resistance when point normal 7777 Q 9 2 0 DC 308 336V CNU Indoor pclsv DC several V 4 6V 2 m gt m a 2 Fan motor resistance check Measuring point Resistance when normal Notes 1 Remove the fan motor and measure it without power connected to it D 9 Red Black 20 MQ or higher 2 If the measured value is below the value when the motor is normal it means White Black 20 kQ or higher that the fan motor is faulty 14 SRK T 159 c Power transistor inspection procedure Use a tester with a needle indicator for the inspection Do not use a digital tester Check in the AC 300 volt range 1 If there is a self diagnosis display inspect the compressor system burns wiring mistakes etc If no problems are found check the output of the power transistor 2 Output inspection procedure Disconnect the terminals for the compresseor If an output such as the one shown in the figure on the below can be measured the power transistor and the circuit board for the outdoor un
61. between the setting temperature and the indoor air temperature iii When the operation mode has been judged following the change of setting temperature with the remote control the hourly judgment of operation mode is cancelled When the unit is started again within one hour after the stop of automatic operation or when the automatic operation is selected during cooling or dehumidifying operation the unit is operated in the previous operation mode Setting temperature can be adjusted within the following range There is the relationship as shown below between the sig nals of the wireless remote control and the setting temperature Signals of wireless remote control Display 6 5 4 3 2 1 0 1 2 3 4 5 6 Setting Cooling 18 19 20 21 22 23 24 25 26 27 28 29 30 temperature Dehumidifying 19 20 21 22 23 24 25 26 27 28 29 30 31 When the unit is operated automatically with the wired remote control connected the cooling operation is controlled ac cording to the display temperatures while the setting temperature is compensated by 1 C during dehumidifying 12 Protection control function 14 SRK T 159 Dew prevention control Cooling Prevents dewing on the indoor unit i Operating conditions When the following conditions have been met for more than 30 minutes after starting operation 1 Compressor s command speed is 32 rps or higher SRK10 13 only
62. discharge pipe data multiply the reading value by 2 Below 61 x 2 122 C 0 1 sec ON Buzzer sound OFF If the temperature is lt 0 the buzzer sounds If the temperature is 2 0 the buzzer does not sound 1 5 sec lt V n ON RUN light 10 s digit OFF ON TIMER light Us digit OFF 11 second interval 44 14 SRK T 159 Service data record form Customer Model Date of investigation Machine name Content of complaint Remote control settings Display results Temperature setting Operation switching Fan speed Switching EE Buzzer Yes No RUN light Times TIMER light Times Daspiay gontent MED Error code on previous occasion Cooling HI Room temperature sensor temperature on previous occasion AUTO Indoor heat exchanger sensor temperature on previous occasion 21 LO Remote control information on previous occasion MED Outdoor air temperature sensor temperature on previous occasion pan HI Outdoor heat exchanger sensor temperature on previous occasion AUTO Discharge pipe sensor temperature on previous occasion MED Error code on second previous occasion Cooling HI Room temperature sensor temperature on second previous occasion AUTO Indoor heat exchanger sensor temperatur
63. displayed in the past LO Displays the remote control information at the time the error code was displayed in the past Displays the outdoor air temperature sensor temperature at the time the error code was displayed in the past HI Displays the outdoor heat exchanger sensor temperature at the time the error code was displayed in the past AUTO Displays the discharge pipe sensor temperature at the time the error code was displayed in the past Remote control setting Indicates the number of n mS OCO occasions previous to the present Temperature setting the error display data are from 21 C 1 time previous previous time 22 C 2 times previous 23 C 3 times previous 24 C 4 times previous 25 C 5 times previous Example Remote control setting Operation Fan speed Temperature Displayed data switching switching setting 21 C Displays the reason for the stop error code the previous time an error was displayed 22 C Displays the reason for the stop error code 2 times previous when an error was displayed Cooling MED 23 C Displays the reason for the stop error code 3 times previous when an error was displayed 24 C Displays the reason for the stop error code 4 times previous when an error was displayed 25 C Displays the reason for the stop error code 5 times previous when an error was displayed 14 SRK T 159
64. door unit at the place where water splashes may occur such as in laundries Since the indoor unit is not waterproof it can cause electric shocks and fire Do not install nor use the system close to the equipment that generates electromagnetic fields or high frequency harmonics Equipment such as inverters standby generators medical high frequency equipments and telecommunication equipments can affect the system and cause malfunctions and breakdowns The system can also affect medical equipment and telecommunication equipment and obstruct its function or cause jamming Do not place any variables which will be damaged by getting wet under the indoor unit When the relative humidity is higher than 80 or drainage pipe is clogged condensation or drainage water can drop and it can cause the damage of valuables Do not install the remote control at the direct sunlight It can cause malfunction or deformation of the remote control Do not use the unit for special purposes such as storing foods cooling precision instruments and preservation of animals plants or art It can cause the damage of the items Do not install the outdoor unit in a location where insects and small animals can inhabit Insects and small animals can enter the electric parts and cause damage or fire Instruct the user to keep the surroundings clean Do not use the base flame for outdoor unit which is corroded or damaged due to long periods of operation Using an old
65. e on second previous occasion 22 LO Remote control information on second previous occasion MED Outdoor air temperature sensor temperature on second previous occasion m HI Outdoor heat exchanger sensor temperature on second previous occasion AUTO Discharge pipe sensor temperature on second previous occasion MED Error code on third previous occasion Cooling HI Room temperature sensor temperature on third previous occasion AUTO Indoor heat exchanger sensor temperature on third previous occasion 23 LO Remote control information on third previous occasion MED Outdoor air temperature sensor temperature on third previous occasion Fan HI Outdoor heat exchanger sensor temperature on third previous occasion AUTO Discharge pipe sensor temperature on third previous occasion MED Error code on fourth previous occasion Cooling HI Room temperature sensor temperature on fourth previous occasion AUTO Indoor heat exchanger sensor temperature on fourth previous occasion 24 LO Remote control information on fourth previous occasion MED Outdoor air temperature sensor temperature on fourth previous occasion HI Outdoor heat exchanger sensor temperature on fourth previous occasion AUTO Discharge pipe sensor temperature on fourth previous occasion MED Error code on fifth previous occasion Cooling HI Room temperature sensor temperature on fifth previous occasion AUTO Indoor heat exchanger sensor temperature on fifth previous occasion 25
66. e start of operation O 1 5 14 SRK T 159 7 Flap control Control the flap by AIRFLOW UP DOWN button on the wireless remote control a b c d Flap Each time when you press the AIRFLOW UP DOWN button the mode changes as follows R J EE EES Flap stopped Swing Angle of flap from horizontal Remote control E A C C C display 4 1 COOL DRY Approx 15 Approx 25 Approx 35 Approx 45 Approx 59 Swing Flap moves in upward and downward directions continuously In COOL DRY operation Approx 20 59 Memory flap When you press the AIRFLOW UP DOWN button once while the flap is operating it stops swingingat an angle Since this angle is memorized in the microcomputer the flap will automatically be set at this angle when the next operation is started When not operating The flap returns to the position of air flow directly below when operation has stopped 8 Timer operation a b c Comfortable timer setting ON timer If the timer is set at ON when the operation select switch is set at the cooling or heating or the cooling or heating in auto mode operation is selected the comfortable timer starts and determines the starting time of next operation based on the initial value of 15 minutes and the relationship between the room temperature at the setting time temperature of roo
67. ectors and confirm that the fan motor is turning If power is turned on while one or the other is broken down it could cause the other to break down also 14 SRK T 159 Defective compressor defective Rotor lock outdoor PCB Is output voltage applied to all 3 phases of power transistor D ve outdoor PCB YES A e Check compressor wiring visually Inspect compressor Check insulation resistance MQ or over _ If check results are normal compressor is locked Check coil wire resistance See page 47 8 Phenomenon observed after shoricircuit wire breakage on sensor a Indoor unit Sehor Operation Phenomenon mode Shortcircuit Disconnected wire oom emparature Cooling Release of continuous compressor operation command Continuous compressor operation command is not released Heat exchanger Cooling System canbe operated normally Continiuous compressor operation command is not released sensor Anti frosting Humidity sensor Cooling Refer to the table below Refer to the table below Humidity sensor Humidity sensor operation element Failure mode Control input circuit resding Air conditioning system operation Connector E CD Disconnected wire d 5 2 Disconnected wire Humidity reading is 0 Anti condensation control is not done MO Disconnected wire j Humidity reading is 100 Anti condensation control keep doing
68. elf diagnosis display items NO Using the Service mode access the stop history due to protection control generated in the past See pages 38 44 YES 18 there a history of stops due Y Identify the faulty component by using the check procedure corresponding to the content of the trouble Replace the faulty component then perform an operation check to protection control NO Y The air conditioning system is operating normally Note 1 Even in cases where only intermittent stop data are generated the air conditioning system is normal However if the same protective operation recurs repeatedly 3 or more times it will lead to customer complaints Judge the conditions in comparison with the contents of the complaints 5 Self diagnosis table 14 SRK T 159 When this air conditioner performs an emergency stop the reason why the emergency stop occurred is displayed by the flashing of display lights If the air conditioner is operated using the remote control 3 minutes or more after the emergency stop the trouble display stops and the air conditioner resumes operation Indoor unit display section Description C i i ause Display flashing condition RUN TIMER of trouble play 9 19 19 Broken heat exchanger sensor When a heat exchanger
69. ence Indoor unit fan speed D C B A i Me speed Indoor unit fan speed ULo Lo speed mited Lower than inormal cooling operation Compressor speed Minimum Lower than the speed in Area A set temperature Difference between set temperature and return temperature ii The indoor unit check the current area by every 5 minutes and operate by the next checking c Other When the outside temperature and room temperature is low for cooling operation indoor unit can not operate in cooling and dehumidify In this case the units operate in heating to rise the room temperature and after that start DRY operation 14 SRK T 159 11 Outline of automatic operation a b c d e Determination of operation mode The unit checks the indoor air temperature and the outdoor air temperature determines the operation mode and then be gins in the automatic operation Cooling Indoor air temperature C I 1 1 Dehumidifying I Outdoor air temperature C The unit checks the temperature every hour after the start of operation and if the result of check is not same as the previ ous operation mode changes the operation mode Ifthe setting temperature is changed with the remote control the operation mode 15 judged immediately ii When both the indoor and the outdoor air temperatures are in the range A cooling or dehumidifying is switched depending on the difference
70. ength kg R410A 0 65 in outdoor unit incl the amount for the piping of 10m Heat exchanger Louver fins amp inner grooved tubing M fins amp inner grooved tubing Refrigerant control Capillary tubes Electronic expansion valve Fan type amp Q ty Tangential fan x 1 Propeller fan x 1 Fan motor Stating method w 30 Direct drive 24 Direct drive Cooli Hi 10 1 Me 7 3 Lo 4 2 26 0 Air flow 9919 m min Heating Available external static pressure Pa 0 0 Outside air intake Not possible Air filter Quality Quantity Polypropylene net washable x 1 Shock amp vibration absorber Rubber sleeve for fan moton Rubber sleeve for fan motor amp compresson Electric heater Remote control Wireless remote control Operation antral Room temperature control Microcomputer thermostat Operation display RUN Green TIMER Yellow Compressor overheat protection Overcurrent protection Safety equipments Frost protection Serial signal error protection Indoor fan motor error protection Cooling overload protection Refrigerant piping size O D mm Liquid line 6 35 1 4 Gas line 9 52 3 8 Connecting method Flare connection Flare connection Attached length of piping m Liquid line 0 39 Gas line 0 32 Installation data Insulation for piping Necessary Both sides independent Refrigerant line one way length m Max 15 Vertical height diff between O U I U m Max 10 Outdoor unit is higher
71. ent refrigerant a Loss of capacity b Poor defrosting Is the output voltage applied to all 3 phases of power transistor Frost is not removed completely Is the connector for compressor connection good Correct confection c Longer time of hot keep 5 minute or more Normal time Approx 1 1 minute and 30 seconds Notes 1 For inspection of electronic expansion valve see page 54 Is the checked result of insulation resistance and coil wire resistance of compressor motor OK Replace compressor Defective fan motor connector poor O utd oor fan m oto r error connection defective outdoor PCB Is connector connection good Correct connector connection YES Is fan motor resistance value good Disconnect the fan motor connector then investigate YES the fan motor and outdoor PCB separately Replace outdoor fan motor Is the output of the ourdoor PCB NO normal Defective outdoor PCB Power supply reset Replace fan motor If the Is it normalized error persists after replacing the fan motor replace the outdoor PCB YES Malfunction by temporary noise pu Defective outdoor PCB 2 For the output voltage check of power transistor see page 52 3 Check coil wire resistance see page 47 Notes 1 See page 54 for the fan motor and outdoor PCB check pro cedure 2 After making sure the fan motor and outdoor PCB are nor mal connect the conn
72. er ON TIMER operation HIGH POWER operation will start from the set time d When the following operation are set HIGH POWER operation will be canceled D When the HI POWER ECONO button is pressed again When the operation mode is changed 8 When it has been 15 minutes since HIGH POWER operation has started e Not operable while the air conditioner is OFF Economy operation Pressing the HI POWER ECONO button initiate a soft operation with the power suppressed in order to avoid an excessive cooling or heating The unit operate 1 5 higher than the setting temperature during cooling The remote control displays ECONO mark and the FAN SPEED display disappears a It will go into ECONOMY operation at the next time the air conditioner runs in the following cases D When the air conditioner is stopped by ON OFF button during ECONOMY operation 2 When the air conditioner is stopped in SLEEP OFF TIMER operation during ECONOMY operation 8 When the operation is retrieved from CLEAN operation b When the following operation are set ECONOMY operation will be canceled D When the POWER ECONO button is pressed again 2 When the operation mode is changed DRY to FAN c Not operable while the air conditioner is OFF d The setting temperature is adjusted according to the following table D at the start of operation Item M de Cooling 0 5 2 hour after start of operation dee O 1 0 3 two hours after th
73. gh harmonics is placed TV set or radio receiver is placed within 1m Locations where drainage cannot run off safely It can affect performance or function and etc Do not install the outdoor unit in the locations listed below Locations where discharged hot air or operating sound of the outdoor unit can bother neighborhood Locations where outlet air of the outdoor unit blows directly to plants The outlet air can affect adversely to the plant etc Locations where vibration can be amplified and transmitted due to insufficient strength of structure Locations where vibration and operation sound generated by the outdoor unit can affect seriously on the wall or at the place near bed room Locations where an equipment affected by high harmonics is placed TV set or radio receiver is placed within 1m Locations where drainage cannot run off safely It can affect surrounding environment and cause a claim Do not install the unit where corrosive gas such as sulfurous acid gas etc or combustible gas such as thinner and petroleum gases can accumulate or collect or where volatile combustible substances are handled Corrosive gas can cause corrosion of heat exchanger breakage of plastic parts and etc And combustible gas can cause fire Do not install the unit near the location where leakage of combustible gases can occur If leaked gases accumulate around the unit it can cause fire Do not use the in
74. he outdoor air temperature TH2 is 22 or lower continues for 20 seconds wh ile the compressor command speed 15 other than 0 rps ii Detail of operation 1 The lower limit of the compressor command speed is set to 50 44 lt 44 gt 36 rps and even if the speed bec omes lower than 50 44 lt 44 gt 36 rps the speed is kept to 50 44 lt 44 gt 36 rps However when the thermo OFF thespeed is reduced to 0 rps 2 The upper limit of the compressor command speed is set to 50 lt 50 gt 60 rps and even if the calculated re sult be comes higher than that after fuzzy calculation the speed is kept to 50 lt 50 gt 60 rps Notes 1 Values in lt gt are for outdoor air temperature is A C or B C 2 are for outdoor air temperature is orD C 3 Values in are for the model SRKI8 l i Ene he limit 50 rps Lower limit 50 44J rps d limit 50 Lower limit 44 rps 7 limit 0 rps Lower limit 36 rps i i OFF E F A B Outdoor air temperature C O Values of A C D E F Models SRK10 13 O Values of A D E F Model SRK18 Outdoor air temperature C Outdoor air temperature C E F A B B First time 8 5 0 3 22 25 First time 0 2 9 11 22 25 After the After the Second times 8 25 28 second times L 16 B 28 iii Reset conditions When either of the following condition is satisfied 1 T
75. he outdoor air temperature TH2 is D C or higher 2 compressor command speed is 0 rps 14 SRK T 159 f Compressor overheat protection i Purpose Itis designed to prevent deterioration of oil burnout of motor coil and other trouble resulting from the com pressor overheat ii Detail of operation 1 Speeds are controlled with temperature detected by the sensor mounted on the discharge pipe Example Fuzzy After lapse of 60 seconds or over 4 rps After lapse of 60 seconds or over waw After lapse of 60 seconds or over Lower limit 90 100 110 Discharge pipe temperature Notes 1 When the discharge pipe temperature is in the range of 100 to 110 C the speed is reduced by 4 rps 2 When the discharge pipe temperature is raised and continues operation for 20 seconds without changing then the speed is reduced again by 4 rps 3 If the discharge pipe temperature is in the range of 90 100 C even when the compressor command speed is maintained for 60 second when the temperature is in the range of 90 100 C the speed is raised by 1 rps and kept at that speed for 60 second This process is repeated until the com mand speed is reached 4 Lower limit speed Cooling Models SRK10 13 18 20 rps 2 Ifthe temperature of 110 C is detected by the sensor on the discharge pipe then the compressor will stop immediately When the discharge pipe temperature drops and the time delay of 3
76. he power goes off There are two types of data self diagnosis data and stop data described below These are the data which display the reason why a stop occurred when an error display self diagnosis display occurred in an indoor unit Data are recorded for up to 5 previous occurrences Data which are older than the 5th previous occurrence are erased Self diagnosis data In addition data on the temperature of each sensor room temperature indoor heat exchanger outdoor heat exchanger outdoor air temperature discharge pipe remote control information operation switching fan speed switching are recorded when trouble occurs so more detailed information can be checked These are the data which display the reason by a stop occurred when the air conditioning system performed protective stops etc in the past Even if stop data alone are generated the system restarts automatically After executing the stop mode while the display is normal the system restarts automatically Data for up to 10 previous occasions are stored Data older than the 10th previous occasion are erased Important In cases where transient stop data only are generated the air conditioner system may still be normal However if the same protective stop occurs frequently 3 or more times it could lead to customer complaints Stop data b Service mode display procedure Start Turn off the air conditioner s power once then
77. heat exchanger sensor wire is ES 5 7 4 within 40 minutes after intial detection this anomalous time Outdoor heat exchanger sensor disconnected 37 5 temperature flash Ee Re pone 559 or lower is detected for 5 seconds continuously C times utdoor PCB is faulty flash within 20 seconds after power ON 55 C or lower is detected for 5 seconds continuously 3 times Outdoor air temperature sensor wire is ithin 40 mi fter intial d 8 f thi 1 8 time Outdoor air temperature Sensor disconnected minutos AEF Ad CSCO OLS anomalous 38 P temperature O flash is abnormal Connector connections are poor 0 1 is detected for 5 d ti 1 3 times Outdoor PCB is faulty lower is detected for 5 seconds continuously within 20 seconds after power ON Discharge pipe sensor wire 18 25 or lower is detected for 5 seconds continuously 3 times 9 time Discharge pipe sensor is disconnected ESCH Bes 39 within 40 minutes after intial detection of this anomalous flash abnormal anomalous stop Connector connections 8 3 times Outdoor PCB is faulty Compressor lock Compressor wiring short circuit output is open P 2 time Compressor start fails 42 times in succession and the 42 Current cut Outdoor PCB is faulty ire i flash 8 reason for the final failure is current cut 2 t
78. ich can lead to moisture damage on the ceiling floor furniture and any other valuables When perform the air conditioner operation cooling or drying operation in which ventilator is installed in the room In this case using the air conditioner in parallel with the ventilator there is the possibility that drain water may backflow in accordance with the room lapse into the negative pressure status Therefore set up the opening port such as incorporate the air into the room that may appropriate to ventilation For example Open the door a little In addition just as above so set up the opening port if the room lapse into negative pressure status due to register of the wind for the high rise apartment etc Be sure to perform air tightness test by pressurizing with nitrogen gas after completed refrigerant piping work If the density of refrigerant exceeds the limit in the event of refrigerant leakage in the small room lack of oxygen can occur which can cause serious accidents Do not install the unit in the locations listed below Locations where carbon fiber metal powder or any powder is floating e Locations where any substances that can affect the unit such as sulphide gas chloride gas acid and alkaline can occur Vehicles and ships Locations where cosmetic or special sprays are often used Locations with direct exposure of oil mist and steam such as kitchen and machine plant Locations where any machines
79. imes Service valve is closed e Electronic expansion valve is faulty 4 time Compressor is faulty flash 7 time x n When the wrong voltage connected for the power supply flash 47 Active filter voltage error Defective active filter When the outdoor PCB is faulty 8 time Outdoor units fan motor is Outdoor fan motor 1s faulty When a fan speed of 75 min or lower continues for 30 flash B abnormal Connector connections are poor seconds or longer 3 times Outdoor PCB is faulty Short circuit power 1 time 51 transistor high side Outdoor PCB is faulty When it is judged that the power transistor was W flash ae Power transistor is damaged damaged at the time the compressor started Current cut circuit breakdown 7 time 57 Refrigeration cycle system Service valve is closed When refrigeration cycle system protective control flash protective control Refrigerant is insufficient operates 3 times 5 time 8 time Refrigerant is overcharge flash flash 58 Current safe Compressor lock When there is a current safe stop during operation Overload Compressor wiring is disconnected When the current is 1 or less at the time the 9 time Compressor wiring is unconnection Power transistor is damaged compressor started flash 59 Voltage drop Power supply construction is defective When the power supply voltage drops during operation Low speed protective control
80. iquid side Outdoor Liquid side OTighten the nuts to the following torque CAUTION Gas side Gas side Do not turn e Do not apply excess torque to the flared nuts N m 14 0 18 0 34 0 42 0 49 0 61 0 kgf m 1 4 1 8 8 4 4 2 4 9 6 1 Liquid side 6 35 Gas side 9 52 Otherwise the flared nuts may crack depending on the conditions and refrigerant M 7 leak may occur Tighten all flare nuts in the pipings both indoor and outside wall so as not to cause leak Connect operation valve charge hose manifold valve and vacuum pump as is illustrated right Open manifold valve handle Lo to its full width and perform vacuum or evacuation Continue the vacuum or evacuation operation for 15 minutes or more and check to see that the vacuum gauge reads 0 1 After completing vacuum operation close the Lo handle stop operation of the vacuum pump After completing vacuum operation fully open operation valve Both gas and liquid sides with hexagon headed wrench Check for possible leakage of gas in the connection parts of both indoor and outdoor Since the system uses check joints differing in diameter from those found on the conventional models a charge hose for R22 presently in use is not applicable Please use one Compound pressure gauge Pressure gauge Gauge manifold Designed specifically for R410A Handle Hi Charge hose Designed specifically for R410A Vacuu
81. it are normal Example RUN light ON Output voltage TIMER light 2 time flash o 9 1 sec 3 min 1 sec 3 min 1 5 i J Operation SW ON Measure in this section 10 How to make sure of wireless remote control Is remote Remote control control normal defects Replace the display Again pushing operating switch Is the unit operable with remote control Defective remote control Note 1 Check method of remote control a Press the reset ACL button of the remote control b If all LCD are displayed after display it is basically normal Normal Abnormality is not RAE it Operating the unit found Does unit ON OFF button operates Operating the unit Fe Control problem main unit k 14 SRK T 159 ion points t it inspec 11 Outdoor un Models SRC10YN S 13YN S 18YN S 0 um am un ps a3ed 295 uojsuedxs Jo uon5 dsul un mn mn NM uns um nr mu mm mm mu mmm uo S2IISI19198IE 2 105195 Jo uono s aq 295 22UEJSIS 1 IY xot pue Ioloeuuoo 105 5 JO 92u81SIS 1 Jo uonoedsu
82. j Indoor fan motor protection When the air conditioner is operating and the indoor fan motor is turned ON if the indoor fan motor has operated at 300 min or under for more than 30 seconds the unit enters first in the stop mode and then stops the entire system 14 5 159 Serial signal transmission error protection Purpose Prevents malfunction resulting from error on the indoor lt gt outdoor signals ii Detail of operation If the compressor is operating and a serial signal cannot be received from the indoor control with outdoor control having serial signals continues for 7 minute and 35 seconds the compressor is stopped After the compressor has been stopped it will be restarted after the compressor start delay if a serial signal can be received again from the indoor control Rotor lock If the motor for the compressor does not turn after it has been started it is determined that a compressor lock has occurred and the compressor is stopped Outdoor fan motor protection If the outdoor fan motor has operated at 75 min or under for more than 30 seconds the compressor and fan motor are stopped Outdoor fan control at low outdoor temperature i Cooling 1 Operating conditions When the outdoor air temperature TH2 is 22 C or lower continues for 30 seconds while the compressor command speed is other than 0 rps 2 Detail of operation After the outdoor fan operates at A speed for 6
83. lash Outdoor fan motor error Defective fan motor poor connector connection Keep flashing Cooling high pressure protection Gas over charge short circuit of outdoor unit Accessories Standard accessories Installation o Installation board 1 lu Attached to the rear of the indoor unit Tapping screws 5 for installation board 4 by 25mm Wireless remote control 1 Baterry R03 AAA Micro 1 5V 2 Remote control holder 1 Wood screw 2 for remote control switch holder 03 5 by 16mm Air cleaning filters 1 Filter holders 1 Attached to the front of the indoor unit 14 SRK T 159 How to remove the indoor unit from the installation board 0 Push up at the marked portion of the indoor unit base lower latch and slightly pull it toward you both right and left hand sides The indoor unit base lower latch can be removed from the installation board Push up the indoor unit upward So the indoor unit will be removed from the installation board How to relocate or dispose of the unit Oln order to protect the environment be sure to pump down recovery of refrigerant OPump down is the method of recovering refrigerant from the indoor unit to the outdoor unit The marked portion of when the pipes are removed from the unit the indoor unit bese lower latch lt How to pump down gt 0 Connect charge hose to check joint Liquid side
84. lid m gt 2 Clamp In case of faulty wiring connection the indoor unit stops A CAUTION and then the run lamp turns on and the timer lamp blinks OPerform wiring please take care of connecting the terminal number of outdoor unit terminal block r Installing the support piping Use cables for interconnection wiring to avoid loosening of the A Se wires CENELEC code for cables Required field cables Piping is possible in the rear left left rear left Since this air H05RNR4G1 5 Example or 245ICE57 downward right or downward direction conditioner has Harmonized cable type been designed to 05 300 500 volts Bishi collect dew drops Gutter R Natural and or synch rubber wire insulation 9 rear surface N Polychloroprene rubber conductors insulation C to the drain pan R Stranded core do not attach the 4or5 Number of conductors power cord above G One conductor of the cable is the earth conductor Rear Left the gutter yellow green Downward Left rear 1 Left downward 1 5 Section of copper wire mm M J x 2 Shaping of pipings Taping of the exterior Drain hose changing procedures Piping 9 lt gt g e O Drain hose OHold the bottom of the OTape only the portion that ORemove the screw and drain hose making it rotate Note piping and fix direc
85. ller If you install the system by yourself can cause serious trouble such as water leaks electric shocks fire Be sure to wear protective goggles and gloves while at work Earth leakage breaker must be installed If the earth leakage breaker is not installed it can cause electric shocks Do not put the drainage pipe directly into drainage channels where poisonous gases such as sulphide gas can occur Poisonous gases will flow into the room through drainage pipe and seriously affect the user s health and satety This can also cause the corrosion of the indoor unit and a resultant unit failure or refrigerant leak Ensure that no air enters in the refrigerant circuit when the unit is installed and removed If air enters in the refrigerant circuit the pressure in the refrigerant circuit becomes too high which can cause burst and personal injury Do not bundling winding or processing for the power cord Or do not deforming the power plug due to tread it This may cause fire or heating Do not processing splice the power cord or share a socket with other power plugs This may cause fire or electric shock due to defecting contact defecting insulation and over current etc Do not vent R410A into the atmosphere R410A 15 a fluorinated greenhouse gas covered by the Kyoto Protocol with Global Warming Potential GWP 1975 Do not run the unit with removed panels protections Touching rotating equip
86. m pump adapter Anti reverse flow type rr Designed specifically for R410A Operation valve cap Operation valve two way valve Operation valve three way valve Check join Vacuum pump Charge hose Designed specifically for R410A Securely tighten the operation valve cap and the check joint blind nut after designed specifically for R410A Please use an anti reverse flow type vacuum pump adapter so as to prevent vacuum pump oil from running back into the system Oil running back into an air conditioning system may cause the refrigerant cycle to break down adjustment Operation valve size mm Operation valve cap tightening torque N m Check joint blind nut tightening torque N m 6 35 1 4 09 52 3 8 a 10 12 12 7 1 2 25 35 14 SRK T 159 Self diagnosis function We are constantly trying to do better service to our customers by installing such judges that show abnormality of each function as follows RUN light Description of trouble Cause 79 1 time flash Heat exchanger sensor error Broken heat exchanger sensor wire poor connector connection 2 time flash Room temperature sensor error Broken room temperature sensor wire poor connector connection TIMER 5 time flash Active filter voltage error Defective power supply TIMER light ON 6 time flash Indoor fan motor error
87. m tempera ture sensor and the setting temperature Sleep timer operation Pressing the SLEEP button causes the temperature to be controlled with respect to the set temperature OFF timer operation The Off timer can be set at a specific time in 10 minute units within a 24 hour period 9 Outline of cooling operation Operation of major functional components in cooling mode 14 SRK T 159 Cooling Thermostat ON Thermostat OFF Failure Compressor ON OFF OFF Indoor fan motor ON ON ON OFF OFF Outdoor fan motor oN few minutes ON few minutes ON b Detail of control in each mode Pattern Fuzzy operation During the fuzzy operation the air flow and the compressor command speed are controlled by calculating the differ ence between the room temperature setting correction temperature and the suction air temperature eg SRK10 SRK13 SRK18 Fan speed AUTO 20 74rps 20 98rps 12 96rps HI 20 74rps 20 98rps 12 96rps MED 20 52rps 20 74rps 12 62rps LO 20 38rps 20 46rps 12 38rps 10 Outline of dry dehumidifying operation a Purpose of DRY mode The purpose is Dehumidification and not to control the humidity to the target condition Indoor outdoor unit control the operation condition to reduce the humidity and also prevent over cooling b Outline of control i Indoor unit fan speed and compressor are controlled by the area which is selected by the temperature differ
88. may be an electrical charge applied to the main circuit electrolytic condenser so begin work only after discharging this electrical charge to DC 10 V or lower b When taking out printed circuit boards be sure to do so without exerting force on the circuit boards or package com ponents c When disconnecting and connecting connectors take hold of the connector housing and do not pull on the lead wires 2 Items to check before troubleshooting a Have you thoroughly investigated the details of the trouble which the customer is complaining about b 15 the air conditioner running Is it displaying any self diagnosis information c Is a power supply with the correct voltage connected d Are the control lines connecting the indoor and outdoor units wired correctly and connected securely e Is the outdoor unit s service valve open 3 Troubleshooting procedure If the air conditioner does not run at all Tf the air conditioner does not run at all diagnose the trouble using the following troubleshooting procedure If the air conditioner is running but breaks down proceed to troubleshooting step 4 Important When all the following conditions are met we say that the air conditioner will not run at all a The RUN light does not light up b The flaps do not open c The indoor unit fan motors do not run d The self diagnosis display does not function
89. ments hot surfaces or high voltage parts can cause personal injury due to entrapment burn or electric shocks Do not perform any change of protective device itself or its setup condition The forced operation by short circuiting protective device of pressure switch and temperature controller or the use of non specified component can cause fire or burst Safety precautions 14 SRK T 159 N CAUTION Carry out the electrical work for ground lead with care Do not connect the ground lead to the gas line water line lightning conductor or telephone line s ground lead Incorrect grounding can cause unit faults such as electric shocks due to short circuiting Use the circuit breaker of correct capacity Circuit breaker should be the one that disconnect all poles under over current Using the incorrect one could cause the system failure and fire Install isolator or disconnect switch on the power supply wiring in accordance with the local codes and regulations The isolator should be locked in OFF state in accordance with EN60204 1 Be sure to install indoor unit properly according to the instruction manual in order to run off the drainage smoothly Improper installation of indoor unit can cause dropping water into the room and damaging personal property Install the drainage pipe to run off drainage securely according to the installation manual Incorrect installation of the drainage pipe can cause dropping wa
90. nce between terminals with an analog tester Measuring point Resistance when normal 1 6 1 4 46 40 1 3 at 20 1 5 b Outdoor unit fan motor check procedure When the outdoor unit fan motor error is detected diagnose which of the outdoor unit fan motor or outdoor PCB 15 defective Diagnose this only after confirming that the indoor unit is normal i Outdoor PCB output check 1 Turn off the power 2 Disconnect the outdoor unit fan motor connector CNFAN 3 When the indoor unit is operated by inserting the power supply plug and pressing ON the backup switch for more than 5 seconds if the voltage of pin No 2 in the following figure is output for 30 seconds at 20 seconds after turning ON the backup switch the outdoor PCB is normal but the fan motor is defective If the voltage is not detected the outdoor PCB is defective but the fan motor is normal Note 1 The voltage is output 3 times repeatedly If it is not detected the indoor unit displays the error message Measuring Resistance when point normal 0 0 DC308 336V D H DC 15 DC several V 4 7V Blue Red Yellow CNFAN C 9 P Outdoor PCB AX DC several 4 7V DC308 336V GND DC15V ii Fan motor resistance check Measuring point Resistance when normal Notes 1 Remove the fan motor and measure it without power connected to it 6 4 Red Black
91. nutes Keeps 1 time i sensor Wire poor connector after initial detection of this anomalous temperature i connection Or 55 or lower is detected for within 20 seconds after power ON ashing flash So Outdoor PCB is faulty The compressor is stopped Broken heat exchanger sensor 55 or lower is detected for 5 seconds continuously 3 times within 40 minutes Keeps 2 time Outdoor heat wire poor connector after initial detection of this anomalous temperature flashing flash exchanger connection Or 55 or lower is detected for within 20 seconds after power ON SEDSODeHOE Outdoor PCB is faulty The compressor is stopped Broken discharge pipe sensor 25 or lower is detected for 5 seconds continuously 3 times within 40 minutes ti i i wire poor connector ants D st 4 Discharge 4 after initial detection of this anomalous temperature ashin as sensor error 9 Outdoor PCB is faulty The compressor is stopped Compressor locking open The inverter output current compressor motor current exceeds the set value p ON 1 time phase compressor output during compressor start flash cut shortcircuit on power The air conditioner stops transistor closed service valve 2 time Trouble of Broken compressor wire W en there is an emergency stop caused by trouble in the outdoor unit or the ON input current value is found be lower than the set val
92. o 152 pue uojsej 1O01SISUE1 Jemod uonoedsu e un un un mn mn un un mn mn mu un um mn wun mn nS un MOTA D A 09912 1 MOTA HA 490149 TVNIW331 NUM HM YO eld Ma 10109 JOQUI S 10107 paddoys st yun Joye Selnuruu 10 Ionuoo syed porno yong luod ur sr 2881j0A ADVLIOA Jooplno jo 1uiod 149949 14 SRK T 159 a Inspection of electronic expansion valve Electronic expansion valve operates for approx 10 seconds after the power on in order to determine its aperture Check the operating sound and voltage during the period of time Voltage cannot be checked during operation in which only the aperture change occurs Ifitis heard the sound of operating electronic expansion valve it is almost normal 11 Ifthe operating sound is not heard check the output voltage 1 3 Expansion valve connector 1 4 6 black S Approx DCS V is detected for 10 seconds after the power on 1 6 111 Ifvoltage is detected the outdoor PCB is normal iv If the expansion valve does not operate no operating sound while voltage is detected the expansion valve is defective Inspection of electronic expansion valve as a separate unit Measure the resista
93. o the selection chart Max 15m Max 25m Vertical height difference between outdoor unit and indoor unit Max 10m Outdoor unit is higher Max 10m Outdoor unit is lower Max 15m Outdoor unit is higher Max 15m Outdoor unit is lower Power source voltage Rating 4 10 Voltage at starting Min 85 of rating Frequency of ON OFF cycle Max 4 times h Inching prevention 10 minutes Max 7 times h Inching prevention 5 minutes ON and OFF interval Selection chart Min 3 minutes Correct the cooling capacity in accordance with the conditions as follows The net cooling capacity can be obtained in the following way Net capacity Capacity shown on specification X Correction factors as follows 1 Coefficient of cooling capacity in relation to temperatures i P 5 8 Cooling ei 5 8 5 19 LA cso Sr 525 0 9 m oc 1 o 9S 1 VUE 0 8 1 1 1 0 7 1 1 1 0 6 1 1 _ Applicable range 5 1 S 1 5 43 9 N a 40 5 5 as 35 a e t 30 5154 915 is 21 Indoor air W B temperature W B ISO T1 Standard Conditi on 14 SRK T 159 2 Correction of cooling capacity in relation to one way length of refrigerant piping It is necessary to correct the cooling capacity in relation
94. oard 17 Pipe bender Wall 11 12 13 14 15 Designed specifically for R410A Indoor unit base lower 2 latch Option parts Sealing plate b Sleeve Inclination plate d Installation Steps ee hook the upper part of he indoor int Genty push the lower part to secure f Piping cover for insulation of connection 7 to the installation board the unit piping gt 14 SRK T 159 7 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 1 Operation control function by remote control Remote control 4 Operation section FAN SPEED button Each time the button is pressed the display is switched over in turn HI POWER ECONO button This button changes the HIGH POWER ECONOMY mode OPERATION MODE select button Each time the button pressed the display is switched over in turn ON OFF luminous button Press to start operation press again to stop AIR FLOW UP DOWN button This button changes the air flow up down direction Seranspezo ONOFF TEMPERATURE button LO H POWER AIR FLOW These buttons set the room temperature These buttons are used for setting the ECONO TEMP current time timer function well ON TIMER button N OFF This button selects ON TIMER operation TMER SLEEP button This button selects SLEEP operation
95. or the stop stop code 10 times previous when the air conditioner was stopped by protective stop control Error code stop code table Assignment of error codes and stop codes is done in common for all models 14 SRK T 159 Number of flashes when in service mode Stop code i Error Auto RUN TIMER or Error content Cause Occurrence conditions di isplay recovery light light Error code 10 5 digit 1 s digit OFF 0 Normal OFF 5 time not receive signals for 35 Power supply is faulty When 35 seconds passes without flash 05 seconds Power supply cables and signal lines improperly wired communications signals from either the outdoor unit or if communications have recovered Indoor or outdoor PCB are faulty the indoor unit being detected correctly Cooling overload operation 5 time A 8 When the outdoor heat exchanger sensor s value exceeds 35 Cooling high pressure control Outdoor unit fan speed drops 8 O flash the set value 5 times Outdoor heat exchanger sensor 18 short circuit 6 time Refrigerant is insufficient When the discharge pipe sensor s value exceeds the set O 36 Compressor overheat 110 C Discharge pipe sensor is faulty flash 8 value 2 times Service valve is closed _ 55 or lower is detected for 5 seconds continuously 3 times Outdoor
96. outdoor heat exchanger 9 0 1 sec If the temperature is lt 0 the buzzer sounds If the temperature is 0 the buzzer does not sound 1 5 ON RUN light 1075 digit OFF ON ON Buzzer sound OFF TIMER light 175 digit OFF 11 second interval f Discharge pipe temperature table 14 SRK T 159 Unit C TIMER light 1 5 digit 10 s digit 60 1 2 3 4 5 6 7 9 Buzzer sound 3 60 62 64 Yes 2 40 42 44 46 48 50 52 54 56 58 sounds for 0 1 second 1 20 22 24 26 28 30 32 34 36 38 0 3 4 6 8 0 22 14 16 18 0 0 2 4 6 8 0 12 14 16 8 1 20 22 24 26 28 30 32 34 36 8 2 40 42 44 46 48 50 52 54 56 8 3 60 62 6 66 68 70 72 74 76 8 does not sound 4 so 82 84 86 88 90 92 94 96 98 5 100 102 104 106 108 110 112 114 116 118 6 120 122 124 126 128 130 132 134 136 138 7 140 142 144 146 148 150 Ifno data 15 recorded error code is normal display for sensor becomes as shown below Sensor name Sensor value displayed when the error code is normal Discharge pipe sensor temperature 64 C Example Discharge pipe temperature 122 C n the case of
97. r conditioner is manufactured and tested in conformity with the ISO 3 Sound level indicates the value in an anechoic chamber During operation these values are somewhat higher due to ambient conditions 4 Select the breaker size according to the own national standard 5 The refrigerant quantity to be charged includes the refrigerant in 15 m connecting piping purging is not required even for the short piping If the piping length is longer when it is 15 to 25 m add 20 g refrigerant per meter RWA000Z259 6 14 SRK T 159 uuu ay jo y uo peuoeye s ay 09 06 0 4009 SS J JI A ay 6ulwelA solNes pue uolellelsul 10 soedS 065 9207 69 9695 eseds 901195 SL 9276 RLC000Z002 Lv 06L 97 27 478 44 eoeds 59 80eds 001 yoojg L 09 Models SRK10YN S 13YN S 18 5 epis yoq 104 Jeno 3 9LdA sou uI81q 3 S99 Gudd seas ya io em uo ajoy G99 Buidid see uo 2 94013 p 1 9 9 Buidid pnbq 8
98. rror display shows the number of times that an automatic recovery occurred for the same reason has reached the number oftimesin Ifno isdisplayed the error display shows that the trouble has occurred once 3 Automatic Recovery Does not occur OAutomatic recovery occurs d Remote control information tables 1 Operation switching 2 Fan speed switching Display pattern when Display pattern when Fan speed in service mode Operation switching in service mode switching when when there is an there is an RUN light abnormal stop TIMER light abnormal stop Operation switching Fan speed switching 0 AUTO 0 AUTO 1 DRY 2 HI 2 COOL 3 MED 3 FAN 4 LO 4 HEAT 6 HI POWER 7 ECONO f no data are recorded error code is normal the information display the remote control becomes as follows Remote control setting Display when error code is normal Operation switching AUTO Fan speed switching AUTO Example Operation switching fan speed switching cooling HI 1 5 sec ON RUN light 10 s digit OFF ON TIMER light 178 digit OFF 11 second interval E 14 SRK T 159 e Room temperature sensor temperature indoor heat exchanger sensor temperature outdoor air tempera ture sensor temperature outdoor heat exchanger sensor temperature table
99. s for R410A Using existing parts for R22 or R407C can cause the unit failure and serious accidents due to burst of the refrigerant circuit Tighten the flare nut by torque wrench with specified method If the flare nut were tightened with excess torque this may cause burst and refrigerant leakage after a long period Do not open the operation valves for liquid line and gas line until completed refrigerant piping work air tightness test and evacuation If the compressor is operated in state of opening operation valves before completed connection of refrigerant piping work air can be sucked into refrigerant circuit which can cause burst or personal injury due to anomalously high pressure in the refrigerant The electrical installation must be carried out by the qualified electrician in accordance with the norm for electrical work and national wiring regulation and the system must be connected to the dedicated circuit Power supply with insufficient capacity and incorrect function done by improper work can cause electric shocks and fire Be sure to shut off the power before starting electrical work Failure to shut off the power can cause electric shocks unit failure or incorrect function of equipment Be sure to use the cables conformed to safety standard and cable ampacity for power distribution work Unconformable cables can cause electric leak anomalous heat production or fire This appliance mus
100. ssucoe uusee 069 1 a a 4 ajeno ora oo7a awas 878 9 1 1 1 9 0 1 1 2 MMRNeAsy A base bosseg 1 a es 66806 3L 1 1 1 4 corrr SIS L Fe xcisnron SPRINGLEAF 66802 cam 1 1 1 1 3 Ska 1 9s 1 oss EC 1 3 Ts RESIDENTIAL AIR CONDITIONING TECHNICAL MANUAL amp PARTS LIST Because of our policy of continuous improvement we reserve the right to make changes in all specifications without notice Copyright MITSUBISHI HEAVY INDUSTRIES LTD
101. t be connected to main power supply by means of a circuit breaker or switch fuse 16A with a contact separation of at least 3mm When plugging this appliance plug conforming to the norm 1EC60884 1 must be used Use the prescribed cables for electrical connection tighten the cables securely in terminal block and relieve the cables correctly to prevent overloading the terminal blocks Loose connections or cable mountings can cause anomalous heat production or fire Arrange the wiring in the control box so that it cannot be pushed up further into the box Install the service panel correctly Incorrect installation may result in overheating and fire Be sure to fix up the service panels Incorrect fixing can cause electric shocks or fire due to intrusion of dust or water Be sure to switch off the power supply in the event of installation inspection or servicing If the power supply is not shut off there is a risk of electric shocks unit failure or personal injury due to the unexpected start of fan Stop the compressor before removing the pipe after shutting the service valve on pump down work If the pipe is removed when the compressor is in operation with the service valve open air would be mixed in the refrigeration circuit and it could cause explosion and injuries due to abnormal high pressure in the cooling cycle Only use prescribed option parts The installation must be carried out by the qualified insta
102. ter into the room and damaging personal property Be sure to install the drainage pipe with descending slope of 1 100 or more and not to make traps and air bleedings Check if the drainage runs off securely during commissioning and ensure the space for inspection and maintenance After maintenance all wiring wiring ties and the like should be returned to their original state and wiring route and the necessary clearance from all metal parts should be secured Secure a space for installation inspection and maintenance specified in the manual Insufficient space can result in accident such as personal injury due to falling from the installation place Take care when carrying the unit by hand If the unit weights more than 20kg it must be carried by two or more persons Do not carry by the plastic straps always use the carry handle when carrying the unit by hand Use gloves to minimize the risk of cuts by the aluminum fins Dispose of any packing materials correctly Any remaining packing materials can cause personal injury as it contains nails and wood And to avoid danger of suffocation be sure to keep the plastic wrapper away from children and to dispose after tear it up For installation work be careful not to get injured with the heat exchanger piping flare portion or screws etc Be sure to insulate the refrigerant pipes so as not to condense the ambient air moisture on them Insufficient insulation can cause condensation wh
103. the current cut operate within 10 minutes 1 YES Defective outdoor PCB is normal it is the rotor lock problem Is output voltage applied to all 3 phases of power transistor Inspect compressor For the output voltage check of power transistor Defective outdoor PCB see page 52 Check compressor wiring visually If check results are normal Check insulation resistance 1 or over compressor is locked Check coil wire resistance SRKIO 13 4 2930 U V V W U W or more at 20 SRKIS 1 1040 U V V W U W or more at 20 Current safe stop NO Is the refrigerant amount mormal YES Is outdoor ventilation condition good YES YES Inspect outdoor air temp sensor Defective outdoor PCB Adjust the refrigerant amount properly Secure space for inlet and outlet Replace compressor 14 SRK T 159 Over heat of compressor GE 1 Is discharge pipe sensor Connector connection check resistance resistance value good value check replacement of discharge pipe page 46 sensor YES 15 sufficient quantity of refrigerant circulated YES Defective outdoor PCB Does trouble persist after charging gas YES Clogged capillary tube or strainer defective etc Error of sig nal transmission M power cable defective indoor Does error persist after po
104. there is no obstructions to the air flow and where the cooled air can be evenly distributed O solid place where the unit or the wall will not vibrate O A place where there will be enough space for servicing Where space mentioned right can be secured O Where wiring and the piping work will be easy to conduct O The place where receiving part is not exposed to the direct rays of the sun or the strong rays of the street lighting O A place where it can be easily drained O A place separated at least 1m away from the TV or the radio To prevent interference to images and sounds O Places where this unit is not affected by the high frequency equipment or electric equipment O Avoid installing this unit in place where there is much oil mist O Places where there is no electric equipment or household under the installing unit Wireless remote control O A place where the air conditioner can be received the signal surely during operating the wireless remote control O Places where there is no affected by the TV and radio etc O Do not place where exposed to direct sunlight or near heat devices such as a stove Limitation of the piping length Model SRK10 13 SRK18 Total one way length MAX 15m MAX 25m Vertical height difference MAX 10m MAX 15m Additional refrigerant Less than 10m Not required SEI More than 10m 20g m SRK13 Not required Less than 15m Not required THI T More than 15m
105. tion goes through the wall ORemove it with hand or pliers Be careful that If it is not inserted securely water before stretching it and OAlways tape the wiring Olnsert the drain cap leakage may occur shaping it with the piping Olnsert the drain hose securely making rotate And install Sufficient care must be taken not to damage the panel the screw when connecting pipes O Arrange the drain hose in a downward angle O Avoid the following drain piping N CAUTION Go through all installation steps and check if the drainage is all right Otherwise water leak may occur Odor from O Pour water to the drain pan located under the heat the gutter exchanger and ensure that the water is discharged 2 8 AA outdoor 7 When the extended drain hose is indoor securely Higher than The drain hose tip Wavy The gap to the ground The drain hose tip is insulate it with a heat insulator available in the market specified is in water is 5 cm or less in the gutter 0 5 14 SRK T 159 Installation of the outdoor unit O Make sure that the unit is stable in installation Fix the unit to stable base O When installing the unit at a higher place or where could be toppled by strong winds secure the unit firmly with foundation bolts wire etc Fixing of outdoor Electric wiring work CAUTION Please connect the earthed line of indoor and outdoor connecting wire to a bracket part of the illustration O
106. ty Tangential fan x 1 Propeller fan x 1 Fan motor Stating method w 30 Direct drive 24 Direct drive Air flow Cooling mii 9 5 6 8 Lo 4 2 25 4 Heating Available external static pressure Pa 0 0 Outside air intake Not possible Airfiter Quality Quantity Polypropylene net washable x 1 Shock amp vibration absorber Rubber sleeve for fan moton Rubber sleeve for fan motor amp compresson Electric heater Remote control Wireless remote control Operation Room temperature control Microcomputer thermostat Operation display RUN Green TIMER Yellow Compressor overheat protection Overcurrent protection Safety equipments Frost protection Serial signal error protection Indoor fan motor error protection Cooling overload protectio Refrigerant piping size O D mm Liquid line 6 35 1 4 Gas line 9 52 3 8 Connecting method Flare connection Flare connection Attached length of piping m Liquid line 0 39 Gas line 0 32 Installation dat Insulation for piping Necessary Both sides independent Refrigerant line one way length m Max 15 Vertical height diff between O U I U m Max 10 Outdoor unit is higher Max 10 Outdoor unit is lower Drain hose Hose connectable VP 16 Holes 20 x 2 pcs Drain pump max lift height mm Recommended breaker size A 16 L R A Locked rotor ampere A 4 9 4 7 4 5 220 230 240 V Interconnecting wires Size x Core number 1 5mm
107. ue flash outdoor unit Compressor blockage E The air conditioner stops ti Current safe Overload operation When the compressor command speed is lower than the set value and the current ON 3 time Overcharge pe flash stop Compressor locking safe has operated The compressor is stopped When there is an emergency stop caused by trouble in the outdoor unit or the ON 4 Bala Power transistor Broken power transistor is found to lower the set value continuously for 3 as error The compressor is stopped 5 time Over heat of shortage defective When the value of the discharge pipe sensor exceeds the set value ON flash compressor discharge pipe sensor closed The air conditioner stops as 2 service valve ps Defecti When there is Signal between the indoor outdoor PCB for 10 seconds 6 time Error of signal C CUYO DOWST SUPP Js or longer when the power is turned on or when there is no signal for 7 minute ON flash 1551 Broken signal wire defective 35 seconds or longer during operation as transmission indoor outdoor PCB 5 5 op The compressor 18 stopped 7 time Outdoor fan Defective fan motor poor When the outdoor unit s fan motor sped continues for 30 seconds or longer at ON flash motor error connector connection 75 min or lower 3 times The air conditioner stops Cooling high Overload operation over charge Keeps Broken outdoor heat exchange
108. wer Trouble by transient cause not unit trouble reset Correct improper wire connection on indoor outdoor unit Defective outdoor PCB Check if there are any places where gas is leaking Are the lines connecting the indoor and outdoor units connected normally Is DC 0 Approx 20V detected between 2 3 terminals on outdoor terminal block Is DC 0 Approx 20V detected between 2 3 terminals on indoor terminal block Check crossover wires Is AC 220 230 240V applied between CD 2 on the indoor terminal block Defective outdoor PCB Check crossover wires YES Defective indoor PCB 14 SRK T 159 Insufficient refregerant amount Faulty power transistor Broken compressor 6 Trouble of outdoor unit Service valve close Defective EEV Defective outdoor PCB Is the power supply voltage OK YES Check power supply Proper power supply voltages are as follows At the power supply outlet 220V 198 242V 230V 207 253V AC 240 216 264V Is the service valves of the outdoor unit open Is the refrigerant amount normal YES 1 Open the service valves Adjust the refrigerant amount properly Does electronic expansion valve operate properly Defective EEV or outdoor PCB Judgment of refrigerant quantity Defective outdoor PCB 1 Phenomenon of insuffici

residential air-conditioning technical manual & parts list

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residential air-conditioning technical manual &amp; parts list

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residential air-conditioning technical manual & parts list