Mitsubishi SRK90CL-BN Technical Manual Download Page 12 | Manualshive

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'12 • SRK-T-122

Indoor unit

Outdoor unit

Flare

connection

Flare connection

Liquid

pipe

(

φ

6.35)

Gas pipie

(

φ

15.88)

Service valve

Heat

exchanger

Electronic

expansion valve

(Liquid)

Strainer

Capillary tube

Outdoor air

temp. sensor

Compressor

Accumulator

Discharge pipe

temp. sensor

Cooling cycle

Check joint

Service valve

(TH3)

Humidity

sensor

(Th3)

(Gas)

(TH2)

Heat

exchanger

sensor

(TH1)

(EEV)

Heat

exchanger

Room temp.

sensor

(Th1)

Heat

exchanger

sensor

(Th2

1

)

Strainer

5. PIPING SYSTEM

Model SRK90CL-BN

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Summary of Contents for SRK90CL-BN

Page 1: ...TECHNICAL MANUAL Manual No 12 SRK T 122 WALL MOUNTED TYPE RESIDENTIAL AIR CONDITIONERS Split system air cooled cooling only type SRK90CL BN...

Page 2: ...ouver control 25 6 3D auto operation 26 4 Custom cord switching procedure 24 3 Auto restart function 2 Unit ON OFF button 24 23 8 Installation location setting 27 10 Outline of automatic operation 28...

Page 3: ...8 How to read the model name Example SRK 90 C Series code Cooling only type Product capacit Model name SRK Wall mounted type SRC Outdoor unit L 1 Phase 220 240V 50Hz BN 40 11 OPTION PARTS 40 11 1 Inst...

Page 4: ...tat Operation Display RUN Green TIMER Yellow HI POWER Green ECONO Orange Safety devices Compressor overheat protection Overcurrent protection Frost protection Serial signal error protection Indoor fan...

Page 5: ...8 Flare 65 Note 1 The model name label is attached on the underside of the panel D C B A E Wireless remote controller Wired Remote controller Option G F Unit mm 60 150 17 3 77 53 5 633 5 703 5 792 15...

Page 6: ...perpendicularly to the dominant wind direction 4 Leave 1m or more space above the unit 5 A wall in front of the blower outlet must not exceed the unit s height 6 The model name label is attached on t...

Page 7: ...12 SRK T 122 Unit mm 60 17 3 150 3 Remote controller a Wireless remote controller...

Page 8: ...ct failure Length Wiring thickness 100 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 W...

Page 9: ...WH RD WH BK BL Y BK t TH2 TH3 LM1 LM2 SM1 FMI D S t TO OUTDOOR UNIT HEAT EXCHANGER 1 2 N 3 POWER WIRES SIGNAL WIRE 1 2 N 3 TB 8 2 2 Color Marks Blue Black BK Red BL RD White WH Yellow Green Y G Yello...

Page 10: ...ONTROL PWB FMo CNTH t t t M CNEEV U EEV CNFAN M 1 M 1 CM CC TO INDOOR UNIT POWER WIRES SIGNAL WIRE BL RD OR MARK BK BLUE ORANGE RED BLACK COLOR COLOR YELLOW GREEN YELLOW Y Y G WH MARK WHITE 52C 52C EL...

Page 11: ...as mentined below Distance from front side 1m Mike position as below 0 8m 1m Unit Mike position Center Low points 10 20 30 40 50 60 70 Sound Pressure Level dB standard 2 10 5 P a Mid Octave Band freq...

Page 12: ...Electronic expansion valve Liquid Strainer Capillary tube Outdoor air temp sensor Compressor Accumulator Discharge pipe temp sensor Cooling cycle Check joint Service valve TH3 Humidity sensor Th3 Gas...

Page 13: ...ng capacity can be obtained in the following way Net capacity Capacity shown on specification Correction factors as follows 1 Coefficient of cooling capacity in relation to temperatures Indoor return...

Page 14: ...to the one way piping length between the indoor and outdoor units 2 Correction of cooling capacity in relation to one way length of refrigerant piping Piping length m Cooling 7 1 0 10 0 99 15 0 975 20...

Page 15: ...89 6 54 10 24 6 36 26 7 87 6 12 8 32 6 06 8 86 6 37 9 11 6 32 9 31 6 26 9 74 6 49 10 10 6 29 28 7 66 6 00 8 11 5 95 8 68 6 28 8 94 6 26 9 14 6 19 9 59 6 40 9 95 6 24 30 7 45 5 90 7 90 5 84 8 49 6 19...

Page 16: ...g rotating equipments 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 conditio...

Page 17: ...ed 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...

Page 18: ...and use fire or burst e the ambient sture damage on g operation in air conditioner ain water may pressure status o the room that e In addition into negative artment etc ogen gas after t leakage in th...

Page 19: ...room lapse into negative nd for the high rise apartment etc ressurizing with nitrogen gas after the event of refrigerant leakage in the can cause serious accidents damaged by getting wet under the or...

Page 20: ...VOJU PS CPMU BODIPS BOE OVU BODIPS OTUBMMBUJPO CPBSE 4QBDF GPS TFSWJDF 4QBDF GPS TFSWJDF 1JQJOH IPMF 4QBDF GPS TFSWJDF 4QBDF GPS TFSWJDF 1JQJOH GPS BT 1JQJOH GPS JRVJE SBJO IPTF 1JQJOH IPMF SBJO IPTF...

Page 21: ...JHIFS UIBO TQFDJGJFE 8BWZ 5IF ESBJO IPTF UJQ JT JO UIF HVUUFS 5IF HBQ UP UIF HSPVOE JT DN PS MFTT 0EPS GSPN UIF HVUUFS 5IF ESBJO IPTF UJQ JT JO XBUFS 6OJU NN 5IF P 1PX 5IF 0Q 5IF VMM GUF UIFO FU IF PS...

Page 22: ...S DPNQMFUJOH WBDVVN PQFSBUJPO DMPTF UIF P IBOEMF GVMMZ BOE TUPQ PQFSBUJPO PG UIF WBDVVN QVNQ UIFO DIFDL UP TFF UIBU UIF WBDVVN HBVHF OFFEMF EPFT OPU SFUVSO FUBDI UIF DIBSHF IPTFT GSPN UIF TFSWJDF QPSU...

Page 23: ...O 5IF QPXFS TVQQMZ WPMUBHF JT DPSSFDU BT UIF SBUJOH P HBT MFBLT GSPN UIF KPJOUT PG UIF PQFSBUJPOBM WBMWF 1PXFS DBCMFT BOE DSPTTPWFS XJSFT BSF TFDVSFMZ GJYFE UP UIF UFSNJOBM CPBSE 5IF TDSFX PG UIF MJE...

Page 24: ...ection Unit display section 3D AUTO light green Illuminates during 3D AUTO operation HI POWER light green Illuminates during HIGH POWER operation RUN light green Illuminates during operation Blinks at...

Page 25: ...on a b 1 2 J170 4 Custom cord switching procedure a Modifying the indoor printed circuit board b Modifying the wireless remote controller 1 2 Cut Function operation mode Indoor temperature setting Fan...

Page 26: ...ox 45 Approx 60 Angle of Flap from Horizontal Center installation Remote controller display Right end installation Left end installation Angle of Louver Left Approx 45 Left Approx 45 Left Approx 20 Le...

Page 27: ...ng Horizontal blowing Fixed Flap Louver Cooling Up down Swing Center Fixed Wide Fixed Flap Louver Cooling Horizontal blowing Fixed Operation mode Indoor temp Setting temp 2 C At cooling Air flow direc...

Page 28: ...unit is running press the ON OFF button to stop 2 Press the AIR FLOW UP DOWN button and the AIR FLOW LEFT RIGHT button together for 5 seconds or more 3 Setting the air conditioning installation locati...

Page 29: ...r air temperature C Outdoor air temperature C b The unit checks the temperature every 30 minutes after the start of operation and if the result of check is not same as the previ ous operation mode cha...

Page 30: ...300 rpm or under for more than 30 seconds the unit enters first in the stop mode and then stops the entire system TIMER light illuminates simultaneously and the RUN light flashing 6 times at each 8 se...

Page 31: ...nuously for 15 seconds or longer while operation is stopped an error indication is displayed RUN light 1 time flash TIMER light ON 3 Outdoor heat exchanger temperature sensor 25 C or lower is detected...

Page 32: ...valve open 3 Troubleshooting procedure If the air conditioner does not run at all If the air conditioner does not run at all diagnose the trouble using the following troubleshooting procedure If the a...

Page 33: ...32 12 SRK T 122 4 Troubleshooting procedure If the air conditioner runs NO YES 33...

Page 34: ...onds continuously 3 times within 40 minutes after initial detection of this anomalous temperature The compressor is stopped Broken discharge pipe sensor wire poor connector connection Outdoor main PCB...

Page 35: ...r making sure the DC fan motor and indoor PCB are normal connect the connectors 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...

Page 36: ...22 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 34 main indoor indoo...

Page 37: ...12 SRK T 122 09 SRK DB 087D Trouble of outdoor unit Insufficient refregerant amount Faulty power transistor Broken compressor wire Service valve close Defective EEV Defective outdoor PCB 1 1 sub main...

Page 38: ...heck procedure b Outdoor unit Is there voltage between terminal blocks and AC 220 240V Indoor electrical components are normal Is the voltage between terminal blocks and oscillating between DC 0 and 2...

Page 39: ...er source for outdoor unit Replace fuse Replace indoor PCB Is the fuse burnt out 3 15 A YES YES YES NO NO NO b Indoor unit fan motor check procedure 1 Indoor PCB output check 2 Fan motor resistance ch...

Page 40: ...39 12 SRK T 122 9 How to make sure of wireless remote controller Measure in this section Operation SW ON The figare below shows the SRK series...

Page 41: ...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 controller co terminal block Connect the terminal of remote c with...

Page 42: ...remote controller cord to the terminal block Connect the terminal of remote controller 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 d...

Page 43: ...seconds 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...

Page 44: ...cation indoor unit temperature is indicated instead of airflow Only the master remote controller can be indicated Heating preparation indication should not be indicated Temperature indication is by de...

Page 45: ...ase 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 5 C increase in return air temperature of indoor unit...

Page 46: ...ON SET will be displayed Press SET button Selecct FUNCTION remote controller function or I U FUNCTION indoor unit function Operation message Function description setting description Function No Fixing...

Page 47: ...an electric shock fire and sersonal injury Warnings Warning Always go along these instruction Safety precautions Before use please read these Safety Precautions thoroughly before installation All the...

Page 48: ...y 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 pu...

Page 49: ...ection of super link E board Functions of CNT connector Switch ON the DIP switch SW2 2 Factory setting ON on the interface PCB Wiring connection between the interface and the super link E board Clamp...

Page 50: ...hould be used for the wiring of wired remote controller C Maximum length of wiring is 600m If the length of wiring exceeds 100m change the size of cable as mentioned below 100m 200m 0 5mm2 x 2 core 30...

Page 51: ...50 12 SRK T 122 11 3 Super link E board SC ADNA E F SL2NA E and SL3N AE BE to control...

Page 52: ...51 12 SRK T 122...

Page 53: ...ing Refrigeration Systems 16 5 Konan 2 chome Minato ku Tokyo 108 8215 Japan http www mhi co jp Copyright MITSUBISHI HEAVY INDUSTRIES LTD Because of our policy of continuous improvement we reserve the...

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