Mitsubishi Mr.Slim MSY-GE15NA- Manuals

7 Test condition ARI Mode Test Indoor air condition (°F) Outdoor air condition (°F) Dry bulb Wet bulb Dry bulb Wet bulb SEER (Cooling) "A-2" Cooling Steady State at rated compressor Speed 80 67 95 (75) "B-2" Cooling Steady State at rated compressor Speed 80 67 82 (65) "B-1" C...

8 Unit: inch MUZ-GE09NA MUZ-GE12NA MUZ-GE15NA MUY-GE09NA MUY-GE12NA MUY-GE15NA Liquid pipe :1/4 (flared) Gas pipe :3/8 (flared) (GE09/12) 1/2 (flared) (GE15) 6-23/32 2 5-7/8 2-23/32 1-3/4 15-3/4 12 ~ 12-3/4 13-9/16 11 /1 6 1-9/16 7/8 21-5/8 11 -1/32 13/32 31-1/2 19-11/16 5-15/16 11-29/32 17/32 29/32...

10 MUZ-GE09NA MUZ-GE12NA 5 WIRING DIAGRAM MUY-GE09NA MUY-GE12NA

15 Unit: inch MUZ-GE09NA MUY-GE09NA Outdoor heat exchanger Flared connection Defrost thermistor RT61 ( MUZ ) Discharge temperature thermistor RT62 Flared connection Stop valve (with strainar) Stop valve (with service port) Refrigerant flow in cooling Compressor 4-way valve Refrigerant flow in heatin...

17 Max. Length A Max. Height difference B Indoorunit Outdoor unit MAX. REFRIGERANT PIPING LENGTH and MAX. HEIGHT DIFFERENCE Model Refrigerant piping: ft. Piping size O.D: in. Max. Length A Max. Height difference B Gas Liquid MUZ-GE09/12/15NA MUY-GE09/12/15NA 65 40 3/8 (GE09/12) 1/2 (GE15) 1/4 MUZ-GE...

18 Model Indoor air Outdoor intake air DB temperature ( ˚ F) IWB ( ˚ F) 75 85 95 105 115 TC SHC TPC TC SHC TPC TC SHC TPC TC SHC TPC TC SHC TPC MUZ-GE09NA MUY-GE09NA 71 11.0 7.6 0.59 10.3 7.1 0.64 9.7 6.6 0.69 9.0 6.2 0.73 8.3 5.7 0.76 67 10.4 8.6 0.55 9.7 8.0 0.61 9.0 7.4 0.66 8.4 6.9 0.70 7.7 6.3 ...

19 3) HEATING CAPACITY (MUZ) Model Indoor air Outdoor intake air WB temperature ( ˚ F) IDB ( ˚ F) 5 15 25 35 43 45 55 TC TPC TC TPC TC TPC TC TPC TC TPC TC TPC TC TPC MUZ-GE09NA 75 4.8 0.45 6.3 0.57 7.9 0.67 9.4 0.74 10.6 0.78 11.0 0.79 12.4 0.82 70 5.2 0.43 6.7 0.55 8.2 0.65 9.6 0.72 10.9 0.76 11.2...

23 5 15 25 35 45 55 65 75 (°F) 5 15 25 35 45 55 65 75 (°F) 60 85 110 135 160 185 210 220 245 270 295 320 345 370 Indoor DB temperature (°F) Condensing pressure Outdoor ambient temperature (PSIG) (PSIG) 75 70 65 58Hz Indoor DB temperat ure (°F) Suction pressure Outdoor ambient temperature 75 70 65 58...

28 7-5. CAPACITY AND INPUT CORRECTION BY INVERTER OUTPUT FREQUENCY Capacity correction factors Input correction factors Input correction factors Capacity correction factors Correction of Cooling capacity The operational frequency of compressor Correction of Cooling total input The operational freque...

30 MUZ-GE09NA MUZ-GE12NA MUZ-GE15NA MUZ-GE18NA MUZ-GE24NA MUY-GE09NA MUY-GE12NA MUY-GE15NA MUY-GE18NA MUY-GE24NA 8-2. R.V. COIL CONTROL (MUZ) Heating . . . . . . . . . . . . . . . . . ON Cooling . . . . . . . . . . . . . . . . . OFF Dry . . . . . . . . . . . . . . . . . . . . OFF NOTE : The 4-way va...

31 9-1. CHANGE IN DEFROST SETTING (MUZ) Changing defrost finish temperature <JS> To change the defrost finish temperature, cut/solder the JS wire of the outdoor inverter P.C. board. (Refer to 10-6.1.) Jumper Defrost fi nish temperature MUZ-GE09 MUZ-GE12 MUZ-GE15 MUZ-GE18 MUZ-GE18/24 JS Soldere...

32 Outline of the function This air conditioner can memorize the abnormal condition which has occurred once. Even though LED indication listed on the troubleshooting check table (10-3.) disappears, the memorized failure details can be recalled. 10-2. FAILURE MODE RECALL FUNCTION 1. Flow chart of fai...

33 2. Flow chart of the detailed outdoor unit failure mode recall function 2.Blinking pattern when outdoor unit is abnormal: ON OFF No beep Beeps Repeated cycle 2.5-second OFF 3-second ON Blinking at 0.5-second interval No beep Beeps Repeated cycle 2.5-second OFF 3-second ON Blinking at 0.5- second ...

37 10-5. TROUBLESHOOTING FLOW Are the voltages balanced? Disconnect the connector between compressor and the intelligent power module (IPM). Replace the inverter P.C. board. Check the voltage between terminals. Check the compressor. See 10-5. “Check of compressor”. No Yes See 10-5. “Check of open ph...

39 Is the resistance of thermistor normal? (Refer to 10-6.1.) Reconnect the connector of thermistor. Turn ON the power supply and press EMERGENCY OPERATION switch. No Replace the thermistor except RT64. When RT64 is abnormal, replace the inverter P.C. board. Does the unit operate for 10 minutes or m...

40 I Check of outdoor fan motor Is the resistance between each ter- minal of outdoor fan motor normal? (Refer to 10-4.) Disconnect the connectors CN931 and CN932 from the inverter P.C. board.Check the connec- tion between the connector CN931 and CN932. Disconnect CN932 from the inverter P.C. board, ...

41 J Check of power supply Is there voltage 208/230 VAC between the indoor terminal block S1 and S2? No Yes Replace the indoor electronic control P.C. board. Rectify indoor/outdoor connecting wire. Yes If LED lights up, it is OK. If LED fl ashes, refer to 10-3. Does The upper lamp of OPERATION INDIC...

44 M How to check miswiring and serial signal error Turn OFF inverter-controlled lighting equipment.Turn OFF the power supply and then turn ON again.Press EMERGENCY OPERATION switch. • • • A Is serial signal error indicated 6 minutes later? B Yes Reinstall either the unit or the light away from each...

45 N Electromagnetic noise enters into TV sets or radios Yes Is the unit grounded? No Ground the unit. Yes Is the distance between the antennas and the indoor unit within 9.91 ft., or is the distance between the antennas and the outdoor unit within 9.91 ft.? No Extend the distance between the antenn...

46 -4 14 32 50 68 86 104 0 10 20 30 40 50 60 70 80 90 100 Temperature(°F) Defrost thermistor(RT61) (MUZ) Ambient temperature thermistor(RT65) Outdoor heat exchanger temperature thermistor(RT68) Temperature(°F) Discharge temperature thermistor(RT62) 32 50 68 86 104 122 140 158 176 194 212 230 248 0 1...

49 11-1. MUZ-GE09NA MUZ-GE12NA MUZ-GE15NA MUY-GE09NA MUY-GE12NA MUY-GE15NA NOTE : Turn OFF power supply before disassembly. OPERATING PROCEDURE PHOTOS 1. Removing the cabinet (1) Remove the screw fixing the service panel.(2) Pull down the service panel and remove it.(3) Remove the screws fixing the ...

50 OPERATING PROCEDURE PHOTOS 2. Removing the inverter assembly, inverter P.C. board (1) Remove the cabinet and panels. (Refer to 1.)(2) Disconnect the lead wire to the reactor and the following connectors: <Inverter P.C. board> CN721 (R.V. coil) (MUZ) CN931, CN932 (Fan motor)CN641 (Defrost th...

53 OPERATING PROCEDURE PHOTOS 2. Removing the inverter assembly, inverter P.C. board (1) Remove the cabinet and panels. (Refer to 1.)(2) Disconnect the lead wire to the reactor and the following con- nectors: <Inverter P.C. board>CN721 (R.V.coil) (MUZ) CN931, CN932 (Fan motor)CN641 (Defrost th...

56 OPERATING PROCEDURE PHOTOS 2. Removing the inverter assembly, inverter P.C. board (1) Remove the cabinet and panels. (Refer to 1.)(2) Disconnect the lead wire to the reactor and the following con- nectors: <Inverter P.C. board>CN602 (R.V. coil)CN931, CN932 (Fan motor)CN671 (Defrost thermist...

HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN © Copyright 2009 MITSUBISHI ELECTRIC CO.,LTDDistributed in Dec. 2010. No. OBH 549 REVISED EDITION-BDistributed in Sep. 2010. No. OBH 549 REVISED EDITION-A 5Distributed in Jul. 2009. No. OBH 549 5Made in Japan New publicat...