Mitsubishi SRC208CENF-L User Manual Download Page 33

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1-33

Cooling cycle
Heating cycle

Heat exchanger

Strainer

Service valve (Liquid)

Flare connecting

Service valve (Gas)

Room

temperature

sensor

Piping (Gas)
Ø12.7

Piping (Liquid)
Ø6.35

Flare connecting

Check
joint

4way valve

Suction

Capillary tube

Heat exchanger

Compressor

Accumulator

Discharge

Heat

exchanger

sensor

Indoor unit

Outdoor unit

Defrost
thermostat

High pressure switch (63H)
(for fan motor control)

Model SRK408HENF-L2

Heat exchanger

Strainer

Service valve (Liquid)

Flare connecting

Service valve (Gas)

Room

temperature

sensor

Piping (Gas)
Ø12.7

Piping (Liquid)

Ø6.35

Flare connecting

Check
joint

4way valve

Suction

Capillary tube

Check valve

Heat exchanger

Compressor

Accumulator

Discharge

Heat

exchanger

sensor

Cooling cycle
Heating cycle

Indoor unit

Outdoor unit

Defrost
thermostat

High pressure switch (63H)
(for fan motor control)

1.2.4 Piping system

Model SRK328HENF-L2

Summary of Contents for SRC208CENF-L

Page 1: ...ENF L SRK 258 ENF L SRK 288 HENF L SRK 288 ENF L SRK 25 GZ L1 SRK 328 HENF L2 SRK 328 ENF L SRK 408 HENF L3 SRK 408 ENF L SRK 35 GZ L1 SRK 50 HA SRK 50 A SRK 56 HA SRK 56 A SRK 502 Z L 2002 SRK 501 H...

Page 2: ...E OF OPERATION CONTROL BY MICROCOMPUTER 65 1 4 1 Table of operation control 65 1 4 2 Details of operation control 66 1 5 APPLICATION DATA 77 1 5 1 Selection of location for installation 78 1 5 2 Insta...

Page 3: ...set on auto it will either automatically decide operation mode such as cooling heating and thermal dry or operate in the operation mode before it has been turned to automatic control 3 Self diagnosis...

Page 4: ...heater Operation control Operation switch Wireless Remote controller Room temperature control MC Thermostat Pilot lamp RUN Green TIMER Yellow Safety equipment Dome mounted protector for compressor In...

Page 5: ...trol Operation switch Wireless Remote controller Room temperature control MC Thermostat Pilot lamp RUN Green TIMER Yellow Safety equipment Dome mounted protector for compressor Internal thermostat for...

Page 6: ...on control Operation switch Wireless Remote controller Room temperature control MC Thermostat Pilot lamp RUN Green TIMER Yellow Safety equipment Dome mounted protector for compressor Internal thermost...

Page 7: ...ration control Operation switch Wireless Remote controller Room temperature control MC Thermostat Pilot lamp RUN Green TIMER Yellow Safety equipment Dome mounted protector for compressor Internal ther...

Page 8: ...rol MC Thermostat Pilot lamp RUN Green TIMER Yellow ECONO Orange HI POWER Green Safety equipment Dome mounted protector for compressor Internal thermostat for fan motor O D mm in Liquid line 6 35 1 4...

Page 9: ...ion switch Wireless Remote controller Room temperature control MC Thermostat Pilot lamp RUN Green TIMER Yellow ECONO Orange HI POWER Green Safety equipment Dome mounted protector for compressor Intern...

Page 10: ...less Remote controller Room temperature control MC Thermostat Pilot lamp RUN Green TIMER Yellow ECONO Orange HI POWER Green Safety equipment Dome mounted protector for compressor Internal thermostat f...

Page 11: ...less Remote controller Room temperature control MC Thermostat Pilot lamp RUN Green TIMER Yellow ECONO Orange HI POWER Green Safety equipment Dome mounted protector for compressor Internal thermostat f...

Page 12: ...Motor kW 0 55 Starting method Line starting Heat exchanger Louver fins tubing Refrigerant control Capillary tubes Refrigerant 4 kg R22 0 57 Refrigerant oil R 0 3 BARREL FREEZE 32SAM Air handling equip...

Page 13: ...W 0 6 Starting method Line starting Heat exchanger Louver fins inner grooved tubing Refrigerant control Capillary tubes Refrigerant 4 kg R22 0 71 Refrigerant oil R 0 3 BARREL FREEZE 32SAM Air handling...

Page 14: ...W 0 9 Starting method Line starting Heat exchanger Louver fins inner grooved tubing Refrigerant control Capillary tubes Refrigerant 4 kg R22 0 75 Refrigerant oil R 0 35 BARREL FREEZE 32SAM Air handlin...

Page 15: ...otor kW 0 9 Starting method Line starting Heat exchanger Louver fins tubing Refrigerant control Capillary tubes Refrigerant 4 kg R22 0 7 Refrigerant oil R 0 35 BARREL FREEZE 32SAM Air handling equipme...

Page 16: ...Motor kW 1 3 Starting method Line starting Heat exchanger Louver fins tubing Refrigerant control Capillary tubes Refrigerant 4 kg R22 1 3 Refrigerant oil R 0 6 BARREL FREEZE 32SAM Air handling equipme...

Page 17: ...tarting method Line starting Heat exchanger Louver fins tubing Refrigerant control Capillary tubes Refrigerant 4 kg R22 1 28 Refrigerant oil R 0 7 BARREL FREEZE 32SAM Air handling equipment Tangential...

Page 18: ...lor Ivory white Polar white Net weight kg 9 52 Refrigerant equipment RM5526GNE4 Rotary type 1 Compressor types Q ty Motor kW 1 9 Starting method Line starting Heat exchanger Louver fins tubing Refrige...

Page 19: ...Motor kW 1 7 Starting method Line starting Heat exchanger Louver fins grooved tubing Refrigerant control Capillary tubes Refrigerant 3 kg R22 1 45 Refrigerant oil R 0 7 BARREL FREEZE 32SAM Air handli...

Page 20: ...dth Depth Color Noble white Stucco white Net weight kg 10 44 Refrigerant equipment RM5526GNE4 Rotary type 1 Compressor types Q ty Motor kW 1 9 Starting method Line starting Heat exchanger Louver fins...

Page 21: ...ller Room temperature control MC Thermostat Pilot lamp RUN Green TIMER Yellow Safety equipment O D mm in Liquid line 6 35 1 4 Gas line 9 52 3 8 Connecting method Flare connecting Attached length of pi...

Page 22: ...uipment O D mm in Liquid line 6 35 1 4 Gas line 12 7 1 2 Connecting method Flare connecting Attached length of piping Liquid line 0 4 m Gas line 0 35 m Insulation Necessary Both sides Drain hose Conne...

Page 23: ...reen Safety equipment O D mm in Liquid line 6 35 1 4 Gas line 12 7 1 2 Connecting method Flare connecting Attached length of piping Liquid line 0 4 m Gas line 0 35 m Insulation Necessary Both sides Dr...

Page 24: ...m the continuous operation under constant air temperature con ditions however excludes the initial pull down stage and any possible defrost cycles 2 Total one way piping length and vertical height dif...

Page 25: ...Room temp sensor Terminal block 20 28 32 40 models 41 models Piping for Liquid 6 35 440 NOTE 1 Models 20 and 28 have no inlet opening indicated by mark Drain hose 600 16 Piping hole 65 Piping hole 65...

Page 26: ...Models SRK50A 56A...

Page 27: ...alve Liquid Flare fitting 6 35 1 4 Oval holes 4 16x12 50 68 14 237 265 14 44 220 492 80 15 300 14 14 272 58 44 142 5 142 5 510 32 115 40 33 265 795 50 45 45 Drain holes Drain holes Terminal block Unit...

Page 28: ...NF 561H C ENF 170 Oval M10x4 holes for Anchor bolt Drain pipe 87 15 55 850 70 5 30 100 290 60 87 15 25 19 307 615 25 17 475 345 30 19 510 170 Unit mm Service valve Gas 12 7 1 2 Lebel model name Servic...

Page 29: ...H A 42 7 Drain hole Elogated hole 2 12X16 Terminal block Service valve Liquide 6 35 1 4 Service valve Gas 12 7 1 2 Ground terminal 314 14 12 850 203 1 510 136 9 476 286 4 12 50 290 49 6 43 5 328 100...

Page 30: ...19 9 236 5 4 5 36 117 40 37 36 56 9 49 A 790 15 67 51 60 62 18 16 780 VIEW A 15 760 170 450 170 Room temp thermistor Terminal block Piping for Gas 12 7 390 Piping for Liquid 6 35 440 Drain hose 600 16...

Page 31: ...2 5 61 5 2 12 Terminal block 127 7 33 3 40 40 645 Drain holes Service valve Gas Flare connecting 9 52 3 8 Service valve Liquid Flare connecting 6 35 1 4 50 12 42 13 5 274 5 300 12 23 44 245 540 100 3...

Page 32: ...14 93 44 142 5 510 33 142 5 40 32 115 45 45 Service Valve Liquid Flare connecting 6 35 1 4 Service Valve Gas Flare connecting 12 7 1 2 Terminal block Drain holes 542 539 413 65 15 300 272 14 58 44 16...

Page 33: ...Defrost thermostat High pressure switch 63H for fan motor control Model SRK408HENF L2 Heat exchanger Strainer Service valve Liquid Flare connecting Service valve Gas Room temperature sensor Piping Ga...

Page 34: ...ressor Accumulator Discharge Heat exchanger thermistor Cooling cycle Heating cycle Indoor unit Outdoor unit Models SRK50HA 56HA Heat exchanger Strainer Service valve Liquid Flare connecting Service va...

Page 35: ...n Accumulator Cooling cycle Discharge Heat exchanger thermistor Indoor unit Outdoor unit Model SRK408HENF L Heat exchanger Strainer Service valve Liquid Flare connecting Service valve Gas Room tempera...

Page 36: ...Heat exchanger sensor Cooling cycle Heating cycle Indoor unit Outdoor unit Defrost thermostat High pressure switch 63H for fan motor control Heat exchanger Strainer Service valve Liquid Flare connect...

Page 37: ...Cooling cycle Discharge Muffler Heat exchanger thermistor Indoor unit Outdoor unit Cooling cycle Heating cycle Heat exchanger Strainer Service valve Liquid Flare connecting Service valve Gas Room temp...

Page 38: ...er Heat exchanger Room temperature sensor Flare connecting Piping Gas Piping Liquid Flare connecting 6 35 20 25 28 9 52 32 40 12 7 Service valve Gas Service valve Liquid Check joint Compressor Suction...

Page 39: ...emp thermistor Compressor Accumulator Discharge Heat exchanger thermistor Cooling cycle Heating cycle Indoor unit Outdoor unit Outdoor unit Indoor unit Room temp thermistor Heat exchanger Flare connec...

Page 40: ...1 40 Model SRK502Z L...

Page 41: ...R Brown RD Red OR Orange WH White Y Yellow Y GN Yellow Green Models SRK50CA 56CA FMI LM Y BL WH BK RD 5 4 3 2 1 CNU F 250V 3 15A ZNR Printed circuit board Power source 1 Phase 220 230 240V 50Hz Wirele...

Page 42: ...3 15A 1 2 3 4 5 Indoor unit Outdoor unit Meaning of marks Symbol Parts name Symbol Parts name CC Capacitor for CM LM Louver motor CFO Capacitor for FMO Th1 2 Thermistor CM Compressor motor ZNR Varisto...

Page 43: ...ZNR Varistor F Fuse 51C Motor protector for CM FMI Fan motor Indoor unit 52C Magnetic contactor for CM FMO Fan motor Outdoor unit Notes 1 denotes magentized relay denotes demagnetized relay 2 Th1 is r...

Page 44: ...ompressor motor ZNR Varistor F Fuse 51C Motor protector for CM FMI Fan motor Indoor unit 52C Magnetic contactor for CM FMO Fan motor Outdoor unit Notes 1 denotes magentized relay denotes demagnetized...

Page 45: ...2X4 5 Auxiliary relay LM Louver motor Table of relay operations Operation Relay Control Cooling Heating Defrost symbol part 52X4 20S 52X5 FMO 52C CM Notes 1 denotes magentized relay denotes demagnetiz...

Page 46: ...r motor Table of relay operations Operation Relay Control Cooling Heating Defrost symbol part 52X4 20S 52X5 FMO 52C CM Notes 1 denotes magentized relay denotes demagnetized relay 2 Th1 is room tempera...

Page 47: ...hermistor is the hot start hot keep and frost prevention thermistor for details refer to pages 71 72 74 3 Preset values 23DH defroster stop thermostat opens at over 14 C 63H overload protection high p...

Page 48: ...sensor Th2 the heat exchanger sensor is the hot start hot keep and frost prevention sensor for details refer to pages 71 72 74 Meaning of marks Symbol Parts name Symbol Parts name CC Capacitor for CM...

Page 49: ...Outdoor unit 52XA B 1 Auxiliary relay LM Louver motor 63H High pressure switch PC Photo coupler 23DH Thermostat Defrost Table of relay operations Operation Cooling Heating Defrost Relay symbol Contro...

Page 50: ...tor is the hot start hot keep and frost prevention thermistor for details refer to pages 19 20 22 3 Preset values 23DH defroster stop thermostat opens at over 14 C 63H overload protection high pressur...

Page 51: ...ine BK 1 2 3 4 WH 3 2 1 3 2 1 Back up switch Power transistor Y WH RD Y GN WH BK RD WH GY RD WH BK Y GN Y GN LB BR Black Blue Brown Light blue Yellow Red Gray White Violet Yellow Green F2 15A NK NK C...

Page 52: ...source Signal line BK 1 2 3 4 WH 3 2 1 3 2 1 Back up switch Power transistor Display CND Wireless R Amp Y WH RD Y GN WH BK RD WH GY RD WH BK Y GN Y GN LB BR Black Blue Brown Light blue Yellow Red Gray...

Page 53: ...rd Printed circuit board Printed circuit board Power transistor Fuse 250V 25A WH Y BL Y GN LB BR RD WH BK RD CNB CNB GY BL CNA CNE DS IC2 RL CNA WH RD WH BK U V W P N OR RE WH BK 52C 4 52C 3 52C F 250...

Page 54: ...ing to the difference between room temperature and setting tem perature 1 Shorten pull down time for cooling heating operation 2 Low noise level operation can performed by proper air volume When heati...

Page 55: ...peration indicator Indicators during HI POWER operation ECONOMY operation indicator Indicators during ECONOMY operation Operation switch over indicator Indicators the for the operation which has been...

Page 56: ...URE button This button sets the room temperature SET TIMER button This button sets the ON timer and OFF timer times TEMPERATURE Indicator Indicator set temperature Does not indicate temperature when o...

Page 57: ...56 models The blow operation of the indoor fan is carried out at the 1st speed for 20 seconds and the room temperature is checked to determine the operation mode automatically When the unit is operat...

Page 58: ...d beginning 1 hour before the set time and the power is turned on before the timer setting as necessary to bring the temperature to the proper level by the set time Operation mode Room temperature the...

Page 59: ...osting on the outdoor heat exchanger How to obtain the cooling and heating capacity Example The net cooling capacity of the model SRK50HA with the piping length of 15m indoor wet bulb temperature at 1...

Page 60: ...s leaks 2 When conducting trial run set the remote controller thermostat to continuous operation position However when the power source is cut off or when the unit s operation switch is turned off or...

Page 61: ...conditions Ambient air temperature Indoor side Cooling 27 C DB 19 C WB Heating 20 C DB Outdoor side Cooling 35 C DB 24 C WB Heating 7 C DB 6 C WB Temp difference between suction air and discharge air...

Page 62: ...The remote controller is correctly facing the sensing element of the air conditioner when being manipulated 2 The typical coverage is indicated in the left illustration It may be more or less dependin...

Page 63: ...remote controller is correctly facing the sensing element of the air conditioner when being manipulated 2 The typical coverage is indicated in the left illustration It may be more or less depending o...

Page 64: ...again Temporarily turn off the power source and turn it on again in about 1 min and turn the unit on again YES No YES YES Does the trouble occur again Disconnect connectors and connect them again Oper...

Page 65: ...s defective Compressor is defective Capacitor is defective Gas is short RUN lamp is lights continuously Abnormality of indoor fan motor Fan motor defective printed circuit board defective Yes Yes Yes...

Page 66: ...Runaway of micro computer Remove receptacle Insert it after 3 min and operate No change Normal operation Indoor lamp of indoor unit does not illuminate Check receptacle voltage Check if PCB fuse is bl...

Page 67: ...ate Heating overload protect begins to operate When FM is on AUTO is continuously Hi CM FMo are stopped Notes 1 When the room temperature thermistor Th1 will not operate normally Cooling or heating op...

Page 68: ...gh speed switching diode manufacturer Matsushita Manufacture type No MA165 to Remote part on the PCB in the direction as shown in the diagram below Power supply ON 3 minute timer operation Power suppl...

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