Mitsubishi SRC92ZL-S Technical Manual & Parts List Download Page 58

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'12 • SRK-T-130

'09•SRK-DB-087D

Over heat of compressor

Gas shortage, defective discharge

pipe sensor

Error of signal transmission

Wiring error including power cable, defective indoor/

outdoor PCB

② ③

① ②

54)

Summary of Contents for SRC92ZL-S

Page 1: ...RESIDENTIAL AIR CONDITIONING TECHNICAL MANUAL PARTS LIST INVERTER WALL MOUNTED TYPE RESIDENTIAL AIR CONDITIONER Split system air to air heat pump type SRK92ZL S Manual No 12 SRK T 130...

Page 2: ...TECHNICAL MANUAL...

Page 3: ...nnual cooling function 32 4 Custom cord switching procedure 31 3 Auto restart function 2 Unit ON OFF button 31 30 8 Outline of heating operation 34 10 Outline of automatic operation 35 9 Outline of co...

Page 4: ...r shortcircuit wire breakage on sensor 58 9 Checking the indoor electrical equipment 59 How to read the model name Example SRK 92 Z Series code Inveter type Product capacity Model name SRK Wall mounte...

Page 5: ...hable x 2 Shock vibration absorber Rubber sleeve for fan motor Rubber sleeve for fan motor compressor Electric heater Operation control Remote control Wireless Remote control Room temperature control...

Page 6: ...5 Note 1 The model name label is attached on the underside of the panel D C B A E Wireless remote control Wired Remote control Option G F Unit mm 77 53 5 633 5 703 5 792 15 7 7 44 5 44 5 301 8 8 5 50...

Page 7: ...es of Dimensions installation The height of a wall is 1200mm or less Terminal block 67 9 150 70 50 195 110 50 50 27 50 1300 10 970 55 15 50 195 110 50 41 F Cable draw out hole 30 front 45 side 50 back...

Page 8: ...12 SRK T 130 3 Remote control a Wireless remote control Unit mm 60 17 3 150...

Page 9: ...to 200m 0 5mm2 2 cores 0 75mm2 2 cores 1 25mm2 2 cores 2 0mm2 2 cores Under 300m Under 400m Under 600m Upper part Lower part Lower case Sheath Upper cace Board Wiring Upper Lower X Y Sheath Upper cac...

Page 10: ...BK BL Y Y G BK t Th2 1 Th2 2 Th3 LM 1 LM 2 SM 1 FM I DS t t TO OUTDOOR UNIT HEAT EXCHANGER 1 2 N 3 POWER WIRES SIGNAL WIRE 1 2 N 3 Power source 220 230 240V 50Hz T 8 Color Marks Blue Black BK Red BL R...

Page 11: ...the assumption that a 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 foll...

Page 12: ...istance from front side 1m Mike position as below 0 8m 1m Unit Mike position Center Low points Mike position at highest noise level in position as mentioned below Distance from front side 1m Mike posi...

Page 13: ...nce from front side 1m Mike position as below 0 8m 1m Unit Mike position Center Low points ISC12092 2 Max value in Hi MODE KF 1EVCXG CPF HTGSWGPE 0 0 0 0 0 0 5QWPF 2TGUUWTG GXGN F UVCPFCTF 2C KF 1EVCX...

Page 14: ...e position as below 0 8m 1m Unit Mike position Center Low points Mike position at highest noise level in position as mentioned below Distance from front side 1m Mike position as below 0 8m 1m Unit Mik...

Page 15: ...n as below 0 8m 1m Unit Mike position Center Low points Mike position at highest noise level in position as mentioned below Distance from front side 1m Mike position as below 0 8m 1m Unit Mike positio...

Page 16: ...e position as below 0 8m 1m Unit Mike position Center Low points Mike position at highest noise level in position as mentioned below Distance from front side 1m Mike position as below 0 8m 1m Unit Mik...

Page 17: ...er sensor Electronic expansion valve Liquid Strainer Receiver Strainer Capillary tube Outdoor air temp sensor Muffler Compressor Discharge pipe temp sensor Cooling cycle Heating cycle Check joint 4way...

Page 18: ...s as follows 0 6 0 7 0 8 0 9 1 0 1 2 1 1 1 3 0 5 10 15 24 26 20 25 30 35 40 46 10 15 20 25 27 Outdoor air W B temperature C W B 15 10 5 0 5 10 15 Cooling operation Outdoor air D B temperature C D B Co...

Page 19: ...utdoor heat exchanger during heating How to obtain the cooling and heating capacity Piping length m Cooling Heating 7 1 0 1 0 10 0 99 1 0 15 0 975 1 0 20 0 965 1 0 25 0 95 1 0 30 0 935 1 0 Air inlet t...

Page 20: ...93 6 71 10 45 6 95 10 86 6 78 32 8 01 6 35 8 51 6 31 9 20 6 71 9 51 6 69 9 73 6 62 10 27 6 88 10 68 6 72 34 7 77 6 23 8 27 6 19 8 98 6 61 9 31 6 59 9 52 6 53 10 08 6 82 10 50 6 66 35 7 64 6 17 8 14 6...

Page 21: ...ommissioning and ensure the space for inspection and maintenance Secure a space for installation inspection and maintenance specified in the manual Insufficient space can result in accident such as pe...

Page 22: ...nstallation board Sleeve sold separately 6 5 cm minimum from the ceiling In case of rear piping draw out cut off the lower and the right side portions of the sleeve collar Drill a hole with whole core...

Page 23: ...e arranged by the user and ensure it is thermally insulated CAUTION Wall Gutter Pipe accommodating section Since this air conditioner has been designed to collect dew drops on the rear surface to the...

Page 24: ...n kit SC BIKN E and fasten the connection harness onto the indoor control box with the clamp supplied with the kit For more details please refer to the user s manual of your Interface connection kit S...

Page 25: ...naked flames poisonous gas is produced Use the prescribed pipes flare nuts and tools for R410A Using existing parts for R22 or R407C can cause the unit failure and serious accidents due to burst of th...

Page 26: ...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 Do not install the unit in the locations...

Page 27: ...in the above When more than one unit are installed side by side provide a 250mm or wider interval between them as a service space In order to facilitate servicing of controllers please provide a suff...

Page 28: ...eration valve s check joint equipped on the outdoor unit side While conducting a test keep the operation valve shut all the time a Raise the pressure to 0 5MPa and then stop Leave it for five minutes...

Page 29: ...quired refrigerant charge volume from the following table Since R410A refrigerant must be charged in the liquid phase you should charge it keeping the container cylinder upside down or using a refrige...

Page 30: ...for the drain elbow and the drain hose 4 ELECTRICAL WIRING WORK For details of electrical cabling refer to the indoor unit installation manual CAUTION Always use an earth leakage circuit breaker desig...

Page 31: ...tion and then attach the cover securely Improper cover attachment can result in malfunctioning or a failure of the unit if water penetrates into the box Never use a shield cable Power cable indoor out...

Page 32: ...the air flow left right direction CANCEL button This button cancels the ON timer OFF timer and SLEEP operation ACL switch Switch for resetting microcomputer OFF TIMER button This button selects OFF T...

Page 33: ...b J170 4 Custom cord switching procedure a Modifying the indoor printed circuit board b Modifying the wireless remote control Cut Function operation mode Indoor temperature setting Fan speed Flap Lou...

Page 34: ...unit PCB and the dip switch SW2 4 on the interface kit option PCB Note 1 Default states of the jumper wire J172 and the interface kit at the shipping from factory On the PCB the dip switch SW2 4 is se...

Page 35: ...on 8 Outline of heating operation a Operation of major functional components in heating mode ON OFF ON OFF few minutes ON ON ON HOT KEEP OFF OFF OFF Thermostat ON Thermostat OFF Failure Heating Compre...

Page 36: ...r operation 8 Outline of heating operation a Operation of major functional components in heating mode b Details of control at each operation mode pattern Fuzzy operation Hot keep operation ON OFF ON O...

Page 37: ...6 minutes and 50 seconds Heating operation Defrast operation Depends on an operation condition the time can be longer than 7 minutes 2 7 minutes Hot keep operation 09 SRK DB 087D b 27 5 25 5 18 0 18 3...

Page 38: ...RK92ZL S ULo Upper limit of compressor s command speed 1 Range A As per following table Range B 30 rps Indoor fan 4th speed Hi Me Lo Upper limit of compressor s command speed 1 Range A As per followin...

Page 39: ...ve Item SRK80ZL S Outdoor air temperature Lower limit speed Model 1 2 1 2 1 2 more or 47 C or more with the compressor running the lower limit The lower limit of compressor command speed is set to 20...

Page 40: ...F C D OFF Upper limit 50 rps Lower limit 50 rps ON ON Upper limit 52 rps Lower limit 30 rps ON Upper limit 120 rps Lower limit 20 rps Outdoor air temperature C A B 3 7 120 120 2 27 30 25 25 27 27 30 3...

Page 41: ...peed is reduced to 0 prs a Operating conditions b Detail of operation When the outdoor air temperature TH2 is 11 C or higher continues for 30 seconds while the compressor command speed other than 0 rp...

Page 42: ...otection Purpose Detail of operation 1 Discharge pipe temperature C 180 180 180 Example Fuzzy 95 105 115 180 180 2 j Current safe Purpose Detail of operation k Current cut Purpose Detail of operation...

Page 43: ...ions 2 Detail of operation 3 Reset conditions Outdoor temperature 10 C 5 C Outdoor temperature 10 C Outdoor fan Outdoor temperature 5 C a b a b c 40 40 40 40 24 3 3rd 2nd FMo1 2 FMo1 2 2nd FMo1 OFF FM...

Page 44: ...n turned OFF 2 When the conditions of i above are met the compressor stops Error stop occurs when the compressor has stopped 3 times within 60 minutes 3 When after meeting the conditions of 1 and 2 ab...

Page 45: ...DB 087D 2 TROUBLESHOOTING PROCEDURES FOR ELECTRICAL EQUIPMENT 1 Cautions 2 Items to check before troubleshooting 3 Troubleshooting procedure If the air conditioner does not run at all Important YES Y...

Page 46: ...44 12 SRK T 130 09 SRK DB 087D 4 Troubleshooting procedure If the air conditioner runs NO NO NO NO YES YES YES YES 45 46 52 46 52...

Page 47: ...f signal transmission If the compressor motor s magnetic pole positions cannot be correctly detected when the compressor starts The air conditioner stops Defective compressor Open phase on compressor...

Page 48: ...ndoor unit Data are recorded for up to 5 previous occurrences Data which are older than the 5th previous occurrence are erased In addition data on the temperature of each sensor room temperature indoo...

Page 49: ...21 C 22 C 23 C 24 C 25 C 1 time previous previous time 2 times previous 3 times previous 4 times previous 5 times previous Only for indoor heat exchanger sensor 2 Remote control setting Indicates the...

Page 50: ...stop stop code 2 times previous when the air conditioner was stopped by protective stop control Displays the reason for the stop stop code 3 times previous when the air conditioner was stopped by prot...

Page 51: ...al 38 8 time flash Outdoor unit s fan motor is abnormal 48 8 time flash Current safe 58 8 time flash Connection lines between the indoor and outdoor units are faulty 61 1 time flash Serial transmissio...

Page 52: ...top 0 1 2 4 3 AUTO DRY COOL FAN HEAT TIMER light Fan speed switching Display pattern when in service mode Fan speed switching when there is an abnormal stop 0 2 3 4 6 7 AUTO HI MED LO HI POWER ECONO R...

Page 53: ...24 14 4 4 14 24 34 44 54 64 74 84 94 55 45 35 25 15 5 5 15 25 35 45 55 65 75 85 95 56 46 36 26 16 6 6 16 26 36 46 56 66 76 86 96 57 47 37 27 17 7 7 17 27 37 47 57 67 77 87 97 58 48 38 28 18 8 8 18 28...

Page 54: ...86 106 126 146 48 28 8 8 28 48 68 88 108 128 148 50 30 10 10 30 50 70 90 110 130 150 52 32 12 12 32 52 72 92 112 132 54 34 14 14 34 54 74 94 114 134 56 36 16 16 36 56 76 96 116 136 58 38 18 18 38 58 7...

Page 55: ...53 12 SRK T 130 Service data record form 47...

Page 56: ...0 0 10 Discharge pipe sensor temperature characteristics Indoor fan motor error Broken sensor wire connector poor connection 0 0 20 40 60 80 100 120 135 20 40 60 80 100 120 140 160 180 Temperature C R...

Page 57: ...lock Compressor wiring short circuit Compressor output is open phase Outdoor PCB is faulty Service valve is closed EEV is faulty Compressor faulty Current safe stop Overload operation compressor lock...

Page 58: ...56 12 SRK T 130 09 SRK DB 087D Over heat of compressor Gas shortage defective discharge pipe sensor Error of signal transmission Wiring error including power cable defective indoor outdoor PCB 54...

Page 59: ...age 55 Outdoor fan motor error Defective fan motor connector poor connection defective outdoor PCB See pages 62 for the fan motor and outdoor PCB check pro After making sure the fan motor and outdoor...

Page 60: ...sensor Cooling Heating Humidity sensor operation Failure mode Control input circuit resding Air conditioning system operation 09 SRK DB 087D 9 Checking the indoor electrical equipment a Indoor PCB ch...

Page 61: ...5 A YES YES YES NO NO NO b Indoor unit fan motor check procedure i Indoor PCB output check ii Fan motor resistance check FMI DC15V Indoor PCB DC 308 336V DC several V 4 6 V CNU GND Blue Yellow White B...

Page 62: ...sor 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 t...

Page 63: ...Inspection power transistor Remove the fasten terminal and test output voltage Inspection of outdoor fan motor See page 62 Outdoor unit Check point of outdoor unit Color Color symbol RD Mark Orange O...

Page 64: ...uring point Resistance when normal b Outdoor unit fan motor check procedure CNFAN1 or CNFAN2 ii Fan motor resistance check Measuring point Resistance when normal Measuring point Resistance when normal...

Page 65: ...of remote control lower case with a nipper or knife and grind burrs with a file etc Install the lower case to the flat wall with attached two wooden screws Connect the remote control cord terminal blo...

Page 66: ...terminal block Connect the terminal of remote control X Y with the terminal of indoor unit X Y X and Y are no polarity Wiring route is as shown in the right diagram depending on the pulling out direc...

Page 67: ...The indication changes to FUNCTION SET 2 Press button once and change to the TEMP RANGE indication 3 Press SET button and enter the temperature range setting mode 4 Select UPPER LIMIT or LOWER LIMIT...

Page 68: ...04 accordingly You can select the louver stop position in the four The louver can stop at any position In normal working indication indoor unit temperature is indicated instead of airflow Only the ma...

Page 69: ...C increase in return air temperature of indoor unit To be reset producing 1 0 C increase in return air temperature of indoor unit To be reset producing 1 0 C increase in return air temperature of ind...

Page 70: ...conditioner and press SET MODE buttons at the same time for over three seconds and the FUNCTION SET will be displayed Press SET button Selecct FUNCTION remote control function or I U FUNCTION indoor...

Page 71: ...e instruction Safety precautions Before use please read these Safety Precautions thoroughly before installation All the cautionary items mentioned below are important safety related items to be taken...

Page 72: ...1 3m from the indoor unit Be sure not to extend the connection cable on site If the connection cable is extended malfunction may occur Fix the interface on the wall pillar or the like Cut out the pun...

Page 73: ...external remote control unit procured locally to CNT terminal In case of the pulse input switch OFF the DIP switch SW2 1 on the interface PCB When setting operation permission prohibition mode switch...

Page 74: ...l the wired remote control with reference to the attached instruction manual of wired remote control B 0 3mm2 x 2 core cable should be used for the wiring of wired remote control C Maximum length of w...

Page 75: ...73 12 SRK T 130 3 Super link E board SC ADNA E F SL2NA E and SL3N AE BE to control...

Page 76: ...74 12 SRK T 130...

Page 77: ...75 12 SRK T 130 PARTS LIST INDOOR UNIT SRK92ZL S OUTDOOR UNIT SRC92ZL S...

Page 78: ...76 12 SRK T 130 CRAE0240 1 35 41 34 14 14 14 13 18 16 19 14 5 21 20 45 45 46 42 43 32 38 10 11 23 25 12 17 15 27 22 24 26 12 10 33 36 44 39 40 37 7 31 30 28 29 6 4 46 46 4 4 3 9 8 3 2 2 0 0 55...

Page 79: ...2 1 W K R 5 1 1 1 1 2 16 RKW129A210 BRACKET MOTOR A 1 1 1 1 2 1 K N I L 1 0 2 A 4 4 1 W K R 7 1 1 1 1 2 1 A K N A R C 2 0 2 A 4 4 1 W K R 8 1 1 1 1 2 1 B K N A R C 3 0 2 A 4 4 1 W K R 9 1 1 1 1 2 1 C...

Page 80: ...No Part No Part Name RE Q 1 R D I L 0 0 4 A 2 3 1 W K R 0 4 1 1 2 4 1 L D I L 1 0 4 A 2 3 1 W K R 1 4 1 1 2 4 42 43 RKW132A403 LID ASSY TERMINAL 1 1 1 2 4 43 RSA011H027 LABEL NOTICE 1 44 RKW129A405 CO...

Page 81: ...79 12 SRK T 130 MEMO...

Page 82: ...80 12 SRK T 130 CRAE0258 26 23 28 27 31 24 29 30 12 13 2 7 6 7 7 4 5 14 20 22 21 1 3 11 9 10 8 25 25 15 19 18 17 16 6 10641...

Page 83: ...RKW142A402 BOX CONTROL R 1 14 RKW132A404 COVER CONTROL R 1 15 RKW142A401 BOX ASSY CONTROL L 1 16 RKW129A407 HOLDER SENSOR 1 17 SSA551A223G SENSOR ASSY 1 1 1 2 4 18 SSA551B017C SENSOR HUMIDITY 1 1 1 2...

Page 84: ...82 12 SRK T 130 CRBE0347 5 14 15 13 13 15 16 2 3 4 6 12 15 9 10 7 11 15 15 8 1 2 0 55...

Page 85: ...SERVICE 1 1 1 5 SSA944B031A HANDLE 1 6 RCR124A102 PANEL ASSY TOP 1 7 8 RCR125A101 PANEL ASSY REAR 1 1 1 1 2 8 SSA944B031A HANDLE 1 9 10 PCA142A065F COVER FRONT 1 1 1 1 2 10 S751W25X GROMMET 1 1 1 1 2...

Page 86: ...84 12 SRK T 130 CRBE0348 5 1 17 6 2 3 16 9 4 18 14 19 10 8 15 7 12 13 61 1 2 11 5 3 6 55...

Page 87: ...CCUMULATOR ASSY 1 8 PCA381A062C VALVE SERVICE 5 8 1 1 1 1 2 GAS 9 SSA382C068 VALVE S 4WAY 1 20S 10 15 RCR304A109A PIPING ASSY EXPAN 1 1 1 1 2 10 SSA387F065 VALVE BODY EXP 1 1 1 1 2 EEV 11 SSA357A005 S...

Page 88: ...86 12 SRK T 130 CRBE0349 23 10 5 6 6 5 11 22 21 20 14 18 17 19 16 15 2 1 3 7 8 4 7 8 9 13 12 2 11 0 1 24 5514...

Page 89: ...9 S751W30X GROMMET 1 35 10 PCA141A096B PLATE BAFFLE 1 11 SSA913D020 SCREW TAP WASHER 10 1 1 1 2 M5 10 12 RCR141A104 PLATE ASSY BAFFLE 1 13 RCR141A107 PLATE ASSY BAFFLE U 1 14 AHT201C264C COMPRESSOR A...

Page 90: ...88 12 SRK T 130 CRBE0350 CONTROL UNIT 18 15 3 5 6 7 20 7 19 14 13 4 10 9 12 11 1 2 17 16 8 CONTROL PARTS SET...

Page 91: ...4D173 CORE FERRITE 1 9 RCR504A040 WIRING ASSY 1 PWB2 CNA TB2 1 TB2 2 TB2 3 10 RPC504A917A HARNESS ASSY 1 PWB1 CN20V PWB2 CN20V 11 RCT504A001A HARNESS ASSY 1 PWB2 CNMAIN PWB1 CNSUB 12 RCR504A036A HARNE...

Page 92: ...VERTER RESIDENTIAL AIR CONDITIONERS Copyright MITSUBISHI HEAVY INDUSTRIES LTD Because of our policy of continuous improvement we reserve the right to make changes in all specifications without notice...

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