Mitsubishi Heavy Industries SRK56CE-S, Technical Manual

Page 1: ...WALL MOUNTED TYPE ROOM AIR CONDITIONER Split system air to air heat pump type SRK50HE S SRK56HE S Split system air cooled cooling only type SRK50CE S SRK56CE S TECHNICAL MANUAL PARTS LIST DRAFT ...

Page 2: ...INDOOR UNIT Models SRK50HE S SRK56HE S SRK50CE S SRK56CE S OUTDOOR UNIT Models SRC50HE S SRC56HE S SRC50CE S SRC56CE S REMOTE CONTROLLER ...

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 diagnosis function We are constantly trying to do better service to our customers by installing such judges that show abnormality of operation as follows 1 2 How to read the model name Example SR K 50 H ...

Page 4: ... Remote controller Room temperature control Microcomputer thermostat Pilot lamp RUN Green TIMER Yellow HI POWER Green ECONO Orange Safety equipment O D mm in Liquid line φ6 35 1 4 Gas line φ12 7 1 2 Connecting method Flare Connection Attached length of piping Liquid line 0 54 m Gas line 0 47 m Insulation Necessary Both sides Drain hose Connectable Power source cord 2 m 3 cores with earth Size Core...

Page 5: ...ion switch Wireless Remote controller Room temperature control Microcomputer thermostat Pilot lamp RUN Green TIMER Yellow HI POWER Green ECONO Orange Safety equipment O D mm in Liquid line φ6 35 1 4 Gas line φ12 7 1 2 Connecting method Flare connection Attached length of piping Liquid line 0 54 m Gas line 0 47 m Insulation Necessary Both sides Drain hose Connectable Power source cord 2 m 3 cores w...

Page 6: ...omputer thermostat Pilot lamp RUN Green TIMER Yellow HI POWER Green ECONO Orange Safety equipment O D mm in Liquid line φ6 35 1 4 Gas line φ12 7 1 2 Connecting method Flare connection Attached length of piping Liquid line 0 54 m Gas line 0 47 m Insulation Necessary Both sides Drain hose Connectable Power source cord 2 m 3 cores with earth Size Core number 1 5 mm2 4 cores Including earth cable Conn...

Page 7: ...omputer thermostat Pilot lamp RUN Green TIMER Yellow HI POWER Green ECONO Orange Safety equipment O D mm in Liquid line φ6 35 1 4 Gas line φ12 7 1 2 Connecting method Flare connection Attached length of piping Liquid line 0 54 m Gas line 0 47 m Insulation Necessary Both sides Drain hose Connectable Power source cord 2 m 3 cores with earth Size Core number 1 5 mm2 4 cores Including earth cable Conn...

Page 8: ...er lower limits Vertical height difference between outdoor unit and indoor unit Max 15m Outdoor unit is higher Max 15m Outdoor unit is lower Item Models 2 3 Exterior dimensions 1 Indoor unit Models All models Unit mm 840 298 A Piping hole right 259 9 44 right 67 left 60 3 60 60 14 5 813 60 3 44 44 60 60 VIEW A 44 5 47 5 220 5 50 207 5 73 5 53 5 Piping hole ø65 Piping hole ø65 Indoor unit Installat...

Page 9: ... models Drain holes 286 4 12 50 290 49 6 43 5 850 203 1 510 136 9 476 Elogated hole 2 12x16 314 12 328 Terminal block Service valve Liquid ø6 35 1 4 Service valve Gas ø12 7 1 2 Ground terminal 124 34 6 20 2 0 42 7 100 3 15 640 14 ...

Page 10: ... Compressor Capillary tube Strainer Accumulator Service valve Gas Electronic expansion valve Piping Gas ø12 7 Models SRK50CE S 56CE S Outdoor unit Indoor unit Room temp sensor Heat exchanger Flare connection Heat exchanger sensor Piping Liquid ø6 35 Check joint Service valve Liquid Flare connection Discharge pipe temp sensor Cooling cycle Outdoor air temp sensor Heat exchanger Heat exchanger senso...

Page 11: ...utdoor heat exchanger How to obtain the cooling and heating capacity Example The net cooling capacity of the model SRK50HE S with the piping length of 15m indoor wet bulb temperature at 19 0 C and outdoor dry bulb temperature 35 C is Net cooling capacity 4700 0 975 1 0 4583 W SRK50HE S Length 15m Factor by air temperatures 15 ISO T1 Standard Condition Outdoor air W B temperature C W B 0 10 10 5 5 ...

Page 12: ...M BK BK 51C CNB CNU 20S Th4 Th5 Th6 W V U 5 3 FMo WH BK CFO OR WH EEV RL Black Brown Red Light Blue White Yellow Green BK BR RD LB WH Yellow Y Orange OR Y GN Color symbol Meaning of marks Symbol Parts name CM Compressor motor F Fuse FMI Fan motor Indoor FMo Fan motor Outdoor SM Flap motor RL Inspection lamp Symbol Parts name Th1 Room temp sensor Th2 Heat exchanger sensor Indoor unit Th4 Heat excha...

Page 13: ...elay EEV Electronic expansion valve 51C Motor Protector for CM TB Terminal block Power source 1 Phase 220 240V 50Hz Outdoor unit Indoor unit HEAT EXCHANGER Printed circuit board Printed circuit board BR LB Y GN BK WH RD RD 1 3 4 5 6 CNU BK WH Y BL TB TB F 250V 3 15A N ZNR CNM CNE CNG 52C3 52C 52C4 J G Th1 Th2 52C 1 3 FMI SM Display Wireless R Amp Black Brown Red Light Blue White Yellow Green BK BR...

Page 14: ...ets the room temperature This button changes the present time and TIMER time CANCEL button This button cancels the ON timer and OFF timer RESERVE button This button sets the present time and TIMER time S Indication section OPERATION MODE indicator Indicates selected operation with lamp Heat pump type Auto Cool Heat Dry Cooling only type Auto Cool Fan Dry TEMPERATURE indicator Indicates set tempera...

Page 15: ...ht orange Illuminates during ECONOMY operation TIMER light yellow Illuminates during TIMER operation HI POWER light green Illuminates during HIGH POWER operation RUN HOT KEEP light green Illuminates during operation Brinks at air flow stop due to the HOT KEEP ...

Page 16: ...all thickness Never use the thin walled pipe the thickness of which is less than 0 8 mm Use the flare nut attached to the air conditioner 5 3 Pipe connection 1 Pipe working 2 Tightening torque The tightening torque is shown below 3 Vacuuming The charge hose for R22 cannot be connected because the service port diameter is different from the conventional one Use the special charge hose for R410A Use...

Page 17: ...6HE S SRK50HE S No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 PANEL FRONT PANEL SIDE R PANEL SIDE L PANEL TOP GRILLE AIR OUTLET GUARD FIN BRACKET MOTOR MOTOR AC PROPELLER BASE ASSY HEAT EXCH ASSY AIR VALVE S 4WAY COIL SOLENOID COMPRESSOR ASSY PWB ASSY VALVE BODY EXP COIL SOLENOID RWC122A003 RWC123A005F RWC123A002 RWC124A003 RWC435A002 RWC131A004 RWC116A041 SSA511C063A SSA431B233 RWC111A003H RWC301A...

Page 18: ...00H Parts No Parts Name SRK56CE S SRK50CE S No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 PANEL FRONT PANEL SIDE R PANEL SIDE L PANEL TOP GRILLE AIR OUTLET GUARD FIN BRACKET MOTOR MOTOR AC PROPELLER BASE ASSY HEAT EXCH ASSY AIR COMPRESSOR ASSY PWB ASSY VALVE BODY EXP COIL SOLENOID RWC122A003 RWC123A005F RWC123A002 RWC124A003 RWC435A002 RWC131A004 RWC116A041 SSA511C063A SSA431B233 RWC111A003H RWC301A023A ...

Page 19: ...WALL MOUNTED TYPE ROOM AIR CONDITIONER Air Conditioning Refrigeration Systems Headquarters 16 5 2 chome Kounan Minato ku Tokyo 108 8215 Japan Fax 03 6716 5926 ...