Mitsubishi MS-A18WV- Manuals

Mitsubishi MS-A18WV– User Manual in PDF format online.

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User Manual

User Manual Mitsubishi MS-A18WV

Summary

Page 2 - TECHNICAL CHANGES; INFORMATION FOR THE AIR CONDITIONER WITH R410A REFRIGERANT

TECHNICAL CHANGES 2 1 MU-18RV - ➔ MU-A18WV - 1. Refrigerant has changed. (R22 ➔ R410A) 2. Refrigerant system diagram has changed. • Diameter of stop valve has changed. (Gas: [ 15.88 ➔ [ 12.7) • Accumulator has removed. 3. Oil separator has been added. 4. Compressor has changed. (PH33VPET ➔ RN196VHSH...

Page 3 - Conversion chart of refrigerant temperature and pressure; NOTE : The unit of pressure has been changed to MPa on the; Can R22 tools be used?; Tools dedicated for the air conditioner with R410A refrigerant

3 NOTE : The unit of pressure has been changed to MPa on the international system of units(SI unit system). The conversion factor is: 1(MPa [Gauge]) =10.2(kgf/ f f [Gauge]) New Specification Current Specification The incompatible refrigerating oil easily separates from refrigerant and is in the uppe...

Page 5 - PART NAMES AND FUNCTIONS; OUTDOOR UNIT; SPECIFICATION

5 PART NAMES AND FUNCTIONS 2 Drainage hose Piping Air inlet Air inlet Air outlet Drain outlet (back and side) Air outlet (back and side) OUTDOOR UNIT MU-A18WV -MU-A24WV - E1 E1 MU-A30WV - E1 SPECIFICATION 3 Outdoor model Function Power supply CapacityDehumidificationAir flow(High) Power outletRunnin...

Page 7 - NOISE CRITERIA CURVES

7 NOISE CRITERIA CURVES 4 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 BAND CENTER FREQUENCIES, Hz Test conditions, Cooling : Dry-bulb temperature 35 : Wet-bulb temperature 24 : APPROXIMATETHRESHOLD OF HEARING FORCONTINUOUSNOISE 52 SPL(dB(A)) LINE...

Page 8 - OUTLINES AND DIMENSIONS

OUTLINES AND DIMENSIONS 8 5 MU-A30WV- E1 OUTDOOR UNIT Unit: mm OUTDOOR UNIT MU-A18WV- MU-A24WV- E1 E1 100mm or more 100mm or more 100mm or more 350mm or more 500mm or more Drainage3holes [ 33 Air out Air in Air in Service panel Liquid refrigerantpipe joint Refregerant pipe(flared) [ 6.35 Gas refrege...

Page 9 - WIRING DIAGRAM; MODEL WIRING DIAGRAM; MF

9 WIRING DIAGRAM 6 MU-A24WV - E1 MODEL WIRING DIAGRAM OUTDOOR UNIT TB1 RED MC ~/N230V 50Hz POWER SUPPLY 52C GRN/YLW PE N CIRCUIT BREAKER X1 NO L NO RED RED WHT BLU ORN C2 WHT 3 4 BLK 12 ORN COM BLU COM 52C BLK S MF R C 12V INDOOR UNITCONNECTING TO X1 1 BLK BRN WHT 2 TB2 DSAR WHT C1 BLU BRN WHT BRN B...

Page 10 - DSAR; LEV

10 OUTDOOR UNIT DEICERP. C. BOARD YL W BLK WHT RED BRN 7 1 CN730 YL W BLK WHT CIRCUIT BREAKER 1 52C 2 CZ WHT WHT RED C2 ORN A1 A2 BLU 52C DSAR T O INDOOR UNIT CONNECTING 12V WHT C1 BLK S C R MC RED BLU NR61 3 5 BLU T61 TB1 L N TB2 3 N PE GRN/YL W POWER SUPPL Y ~/N 230V 50Hz X52 BLU BRN BLU BRN SR62 ...

Page 11 - REFRIGERANT SYSTEM DIAGRAM

11 REFRIGERANT SYSTEM DIAGRAM 7 MU-A18WV - E1 OUTDOOR UNIT Refrigerant pipe [ 12.7 (with heat insulator) Flared connection Flared connection Refrigerant pipe [ 6.35 (with heat insulator) Stop valve Compressor Stop valve(with serviceport) Outdoorheatexchanger Refrigerant flow in cooling Oil separator...

Page 12 - MAX. HEIGHT DIFFERENCE

12 MU-A30WV - E1 OUTDOOR UNIT Unit:mm Indoorunit w Max. Height difference: 10m(MS-A18/A24WV)/ 15m(MS-A30WV) A Refrigerant PipingMax. Length w Height difference should be within 10m(MS-A18/A24WV)/ 15m(MS-A30WV) regardless of which unit, indoor or outdoor position is high. Outdoor unit MAX. HEIGHT DIF...

Page 14 - PERFORMANCE CURVES

PERFORMANCE CURVES 14 8 11.6 10.5 7.5 8.5 9.5 12.8 16.3 10.2 13.1 11.6 14.6 18.0 17.4 13.9 12.4 10.8 15.6 19.2 MU-A18WV - E1 MS-A24WV - E1 MS-A18WV - E1 MU-A24WV - E1 MS-A30WV - E1 MU-A30WV - E1 The standard data contained in these specifications apply only to the operation of the air conditioner un...

Page 16 - PERFORMANCE DATA COOL operation; NOTE

16 MS-A18WV - : MU-A18WV - (230V) E1 E1 21 18 5.88 2.76 0.47 1448 5.63 2.64 0.47 1520 5.40 2.54 0.47 1593 5.20 2.44 0.47 1665 21 20 6.13 2.14 0.35 1520 5.88 2.06 0.35 1611 5.70 2.00 0.35 1647 5.50 1.93 0.35 1720 22 18 5.88 3.00 0.51 1448 5.63 2.87 0.51 1520 5.40 2.75 0.51 1593 5.20 2.65 0.51 1665 22...

Page 22 - MICROPROCESSOR CONTROL

MICROPROCESSOR CONTROL 22 9 9-1. “I FEEL CONTROL” ( ) OPERATION 9-1-1. COOL mode of “I FEEL CONTROL” 2. Discharge temperature protection <MU-A30WV> The compressor is controlled by the temperature of discharge temperature thermistor RT62 for excess rise protection ofcompressor discharge pressur...

Page 25 - TROUBLESHOOTING

25 TROUBLESHOOTING 10 10-1. Cautions on troubleshooting 1. Before troubleshooting, check the following:(1) Check the power supply voltage.(2) Check the indoor/outdoor connecting wire for mis-wiring.2. Take care the following during servicing. (1) Before servicing the air conditioner, be sure to firs...

Page 28 - Check of outdoor unit; Compressor and/or outdoor fan motor doesn’t operate.

28 Check of outdoor unit Compressor and/or outdoor fan motor doesn’t operate. MU-A30WV Is there 230V AC to between L - N on the outdoor terminal block ? No Check the outdoor power supply and connection of wiring. Yes Compressor does not operate. Yes 3minutes after the power supply turns ON, is there...

Page 29 - Compressor and/or outdoor fan motor doesn’t stop.; How to check mis-wiring

29 After 30 seconds, does compressor stop? No Yes Is there 230V AC between A1-A2 on the compressor contactor (52C)? Replace the deicer P.C. board. Yes 1 Turn OFF the power supply. 2 After 30 seconds, turn ON the power supply again. 3 Operate the unit in COOL mode by pressing the EMERGENCY OPERATION ...

Page 30 - Check of outdoor thermistor

30 Check of outdoor thermistor Measure resistance between CN 662 3 and 4 . No Yes Replace the thermistor. Measure resistance between CN 662 1 and 2 . Connect CN662.Turn ON the power supply and press the EMERGENCY OPERATION switch. Does the resistancs of thermistor have the characteristics on page 31...

Page 32 - DISASSEMBLY INSTRUCTIONS; OPERATING PROCEDURE; Removing the cabinet; Photo 1

DISASSEMBLY INSTRUCTIONS 32 11 (1) Slide the sleeve and check if there is a locking lever or not. (2) The terminal with this connector is a terminal with lock mechanism 1 Slide the sleeve. 2 Pull the terminal while pushing the locking lever. 1 Hold the sleeve, and pull out the terminal slowly. In ca...

Page 33 - PHOTOS; Removing the outdoor fan motor; Photo 5

33 PHOTOS 3. Removing the outdoor fan motor (1) Remove the cabinet. (Refer to 1.)(2) Disconnect the connector and remove the hooked lead wire from the fan motor. (3) Remove the propeller nut and remove the propeller.(4) Remove screws fixing the outdoor fan motor.(5) Remove the outdoor fan motor. 4. ...

Page 34 - Removing the electrical parts

34 OPERATING PROCEDURE PHOTOS 1. Removing the cabinet (1) Remove the screws of the cabinet.(2) Hold the bottom of the cabinet on the both side to remove the cabinet. 11-2. MU-A24WV - OUTDOOR UNIT E1 Photo 1 Photo 3 Photo 2 Screws Screws Servicepanel Compressor capacitor (C1) Outdoor fan capacitor (C...

Page 36 - Removing the cabinet

36 11-3. MU-A30WV - OUTDOOR UNIT E1 OPERATING PROCEDURE PHOTOS 1.Removing the cabinet (1) Remove the screws of the service panel.(2) Remove the screws of the top panel.(3) Remove the screw of the valve cover.(4) Remove the service panel.(5) Remove the top panel.(6) Remove the valve cover.(7) Remove ...

Page 37 - Photo 6; Removing the propeller and the outdoor fan motor; NOTE : Loose the propeller in the rotating direction for

37 Photo 6 Suction pipe Discharge pipe Terminal cover OPERATING PROCEDURE PHOTOS 3. Removing the propeller and the outdoor fan motor (1) Remove the cabinet. (Refer to 1.)(2) Remove the propeller nut and the propeller. NOTE : Loose the propeller in the rotating direction for removal.When attaching th...

Page 38 - PARTS LIST; STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTS

PARTS LIST 38 12 MU-A18WV -MU-A24WV -12-1. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTS E1 E1 MU-A18WV- E1 MU-A24WV- E1 Symbol in Wiring Diagram Q'ty/unit Remarks Part No. Part Name No. E02 817 233E02 817 232E02 817 521E02 141 501E02 139 515E02 075 506E02 527 506E02 817 900E0...

Page 39 - AND FUNCTIONAL PARTS

39 MU-A30WV -12-2. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTS E1 MU-A30WV - E1 Symbol in Wiring Diagram Q'ty/unit Remarks Part No. No. Part Name E02 819 297E02 819 630E02 819 301 E02 214 501E02 819 290E02 819 232E02 819 009E02 819 521E02 527 506E02 819 900E02 819 661E02 819...

New publication, effective Feb. 2004Specifications subject to change without notice. C C Copyright 2003 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD Distributed in Feb. 2004. No.OB326 REVISED EDITION-A 6Distributed in Dec. 2003. No.OB326 6Made in Japan HEAD OFFICE: MITSUBISHI DENKI BLDG.,2-2-3, MARUNOUCH...

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