Mitsubishi Daiya SRK408HENF-L3 User Manual Download Page 1 | Manualshive

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WALL MOUNTED TYPE ROOM AIR-
CONDITIONER

Split system, Air to air
heat pump type

SRK50HA
SRK56HA
SRK408HENF-L3

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Summary of Contents for SRK408HENF-L3

Page 1: ...1 1 WALL MOUNTED TYPE ROOM AIR CONDITIONER Split system Air to air heat pump type SRK50HA SRK56HA SRK408HENF L3 1...

Page 2: ...DATA 12 1 3 1 Electrical wiring 12 1 4 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 14 1 5 APPLICATION DATA 25 1 5 1 Selection of location for installation 26 1 5 2 Installation of indoor unit 27 1 5...

Page 3: ...tch is 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 dia...

Page 4: ...eration 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 In...

Page 5: ...ess 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 fo...

Page 6: ...ation 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 therm...

Page 7: ...th Max 15m All models Refer to the selection chart Power source voltage Rating 10 Voltage at starting Min 85 of rating Frequency of ON OFF cycle Max 10 times h ON and OFF interval Max 3 minutes Outdoo...

Page 8: ...1 510 136 9 476 286 4 12 50 290 49 6 43 5 328 100 3 15 640 124 34 6 2 0 2 0 Model SRK408HENF L3 A 790 15 67 51 60 62 18 16 780 VIEW A 15 760 170 450 170 Room temp sensor Terminal block Piping for Liq...

Page 9: ...er Capillary tube Deicer thermostat Heat exchanger Compressor Accumulator Discharge Heat exchanger thermistor Cooling cycle Heating cycle Indoor unit Outdoor unit Model SRC408HENF L3 300 14 14 272 58...

Page 10: ...rature sensor Piping Gas 12 7 Piping Liquid 6 35 Flare connecting Check joint 4way valve Suction Capillary tube Check valve Heat exchanger Compressor Accumulator Discharge Heat exchanger sensor Coolin...

Page 11: ...sting 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 19...

Page 12: ...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 Control part 52X1 20S 52XA FM...

Page 13: ...or 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 pressure...

Page 14: ...50 56 models HI POWER operation indicator Indicators during HI POWER operation ECONOMY operation indicator Indicators during ECONOMY operation Operation switch over indicator Indicators the for the o...

Page 15: ...Switch for resetting microcomputer AUTO SWING TEMPERATURE button This button sets the room temperature SET TIMER button This button sets the ON timer and OFF timer times RUN HOT KEEP light green Illum...

Page 16: ...ally set to the angle when next operation is started Recommendable stopping angle of the flap Slant forward blowing COOL DRY HEAT The flap operation as shown above will be repeated Stops at the level...

Page 17: ...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 operate...

Page 18: ...Set temp 5 Comfort timer settings Temperature is checked 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 l...

Page 19: ...ortable heating operation is assured Controls of thermostat and indoor fan motor Temp that compres sor stops in HOT SPURT operation A A B B 3 C 1 C 2 C Temp that compres sor stops in ordinary operatio...

Page 20: ...ioner would not start for those 3 min where marked c HOT KEEP 1 Cold draft prevention I a Operation timing While defrosting operation b Function The indoor fan is stopped and RUN HOT KEEP lamp flashin...

Page 21: ...e difference between room temperature and thermo stat setting temperature as shown below Operation block area 2 0 3 Room temp Setting temp deg b Start up operation ON OFF OFF 0 3 6 9 12 ON OFF OFF 0 1...

Page 22: ...ompressor started Indoor heat exchanger temperature C CM FMO re starting condition 1 Temperature of heat exchanger is 8 7 C or higher 2 As least 3 minutes has passed since the compressor stopped Set f...

Page 23: ...a tion ends After that defrost thermostat 23DH will either turn OFF or the operation will stop after 10 minutes 50 61 18 Heating operation overload protection Heat pump type only During heating operat...

Page 24: ...of indoor fan motor S 50 56 models When the status that the fan motor speed is 300 rpm or under continues for 30 seconds or more during the indoor fan motor operation the unit is stopped The fan moto...

Page 25: ...ve use circuits are used Insufficient power source circuit capacity and defective installment execution can be the cause of electric shocks and fires Accurately connect wiring using the proper cable a...

Page 26: ...or unit s operating sound will not be nuisance to the neighbourhood f A place where servicing space can be secured g A place where vibration will not be enlarge h In heating operation snow deposit on...

Page 27: ...dard hole Bolt M6 12 Mounting board Nut M6 Mounting board Max 10 Mating Mark for Lever Surface Horizontally b Fixing method of installation board 2 Drilling the and installation of sleeve a Drill a ho...

Page 28: ...minal block may heat up and catch fire 2 Take care not to confuse the terminal numbers for indoor and out door connections 3 Affix the connection wire using the wiring clamp iv Attach the terminal bac...

Page 29: ...sh Mounting block 1 5 3 Installation of outdoor unit 1 Installation of outdoor unit a Make sure that sufficient space for installation and service is secured b Fix the leg sections of the unit on a fi...

Page 30: ...N m 1 6 2 0 kgf m Gas side 12 7 39 2 49 0 N m 4 0 5 0 kgf m Use one more spanner to fix the valve Spanner for fixing the piping Torque wrench Always use a Torque wrench and back up spanner to tighten...

Page 31: ...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 w...

Page 32: ...he 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...

Page 33: ...gain 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 Opera...

Page 34: ...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 Y...

Page 35: ...unaway 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 blo...

Page 36: ...te 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 ope...

Page 37: ...e air from the charge hose A Firstly loose the connecting portion of the charge hose A at the gauge manihold side and open the valve 3 for a few seconds and then immediately retighten it after observi...

Page 38: ...h 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 supply...

Page 39: ...jumper wire for the REMOTE section on the printed circuit board Carefully position the jumper wire so that it does not come in contact with other parts REMOTE CNE CNG CNH CUSTOM CNM CNU FMI 20S 52X1...

Page 40: ...40 MEMO...

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