Service manual

ManualsBrandsMitsubishi ManualsAir ConditionerMS-30SV

SERVICE MANUAL

CONTENTS

1. TECHNICAL CHANGES ····································3

2. PART NAMES AND FUNCTIONS······················6

3. SPECIFICATION·················································7

4. NOISE CRITERIA CURVES·······························8

5. OUTLINES AND DIMENSIONS ·························9

6. WIRING DIAGRAM ··········································10

7. REFRIGERANT SYSTEM DIAGRAM··············12

8. PERFORMANCE CURVES······························15

9. MICROPROCESSOR CONTROL ····················25

10. SERVICE FUNCTIONS·····································29

11. TROUBLESHOOTING······································29

12. DISASSEMBLY INSTRUCTIONS·····················39

13. PARTS LIST······················································43

Wireless type

Models

MUH-A18WV -

MUH-A24WV -

MUH-A30WV -

No. OB322

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

MUH-A18WV -

Indication of model name

NOTE:

•This service manual describes technical data of outdoor unit.

As for indoor unit MSH-A18WV- , MSH-A24WV- and MSH-A30V- ,

refer to the service manual OB321.

E1E1E1

OB322-1.qxp 03.11.13 4:06 PM Page 1

Summary of content (48 pages)

PAGE 1
OB322-1.qxp 03.11.13 4:06 PM Page 1 SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS No. OB322 SERVICE MANUAL Wireless type Models MUH-A18WV MUH-A24WV MUH-A30WV - E1 E1 E1 CONTENTS Indication of model name MUH-A18WV - E1 1. TECHNICAL CHANGES ····································3 2. PART NAMES AND FUNCTIONS······················6 3. SPECIFICATION·················································7 4. NOISE CRITERIA CURVES ·······························8 5.
PAGE 2
OB322-1.qxp 03.11.
PAGE 3
03.11.13 4:06 PM 1 Page 3 TECHNICAL CHANGES MUH-18RV - E2 ➔MUH-A18WV - E1 1. Refrigerant has changed. (R22➔R410A) 2. Refrigerant system diagram has changed. • Compressor, stop valve and 4-way valve have changed. • Diameter of stop valve has changed. (Gas: [15.88➔[12.7) • Accumulator has removed and high pressure receiver has been added. 3. Oil separator has been added. MUH-24RV - E1 ➔MUH-A24WV - E1 1. Dimension of outdoor unit has changed. 2. Refrigerant has changed. (R22➔R410A) 3.
PAGE 4
OB322-1.qxp 03.11.13 4:06 PM Page 4 Compressor New Specification Current Specification The incompatible refrigerating oil easily separates from Since refrigerant and refrigerating oil are compatible each, refrigerant and is in the upper layer inside the suction muffler. refrigerating oil backs to the compressor through the lower Raising position of the oil back hole enables to back the position oil back hole. refrigerating oil of the upper layer to flow back to the compressor.
PAGE 5
OB322-1.qxp 03.11.13 4:06 PM Page 5 2.Refrigerant piping 1 Specifications Use the refrigerant pipes that meet the following specifications. Outside diameter Pipe For liquid For gas mm Wall thickness 6.35 0.8 mm 9.52 0.8 mm Heat resisting foam plastic 12.7 0.8 mm Specific gravity 0.045 Thickness 8 mm 15.88 1.0 mm Insulation material • Use a copper pipe or a copper-alloy seamless pipe with a thickness of 0.8 mm (6.35, 9.52, 12.7), 1.0 mm (15.88).
PAGE 6
OB322-1.qxp 2 03.11.
PAGE 7
03.11.13 4:06 PM 3 Page 7 SPECIFICATION Outdoor model Function MUH-A18WV - Electrical Capacity data Special remarks Fan Compressor motor Capacity kW Dehumidification r/h Air flow(High) K /h Starting current A Compressor motor current A Fan motor current A Coefficient of performance(C.O.
PAGE 8
OB322-1.qxp 03.11.
PAGE 9
03.11.13 4:06 PM 5 Page 9 OUTLINES AND DIMENSIONS MUH-A18WV- E1 OUTDOOR UNIT 355 350 Air in 35 Drainage hole [16.2 100mm or more Unit: mm 20 Drainage 3holes [33 re r mo mo 500m 50 Air out re r mo mo m 0 0 1 345 Air in 310 290 248 90 100m mo r mo re 30 350 mm or m ore Service panel 20 100 157 35- 292 30- 605 Liquid refrigerant pipe joint Refregerant pipe (flared) [6.35 183 161 500 850 MUH-A24WV- E1 Gas refregerant pipe joint Refregerant pipe (flared) [12.
PAGE 10
OB322-1.qxp 03.11.13 4:06 PM 6 Page 10 WIRING DIAGRAM MUH-A18WV - E1 MODEL WIRING DIAGRAM OUTDOOR UNIT RED ORN WHT BLK CN721 SR62 CN661 F61 DSAR N POWER SUPPLY ~ /N 230V 50Hz 1 2 3 NR61 RED TO INDOOR UNIT N BLK CONNECTING 12V TB1 BRN CIRCUIT BREAKER L BRN CN730 TB2 3 MF 21S4 RT61 T61 BLU 1 2 3 4 CN711 WHT 1 BLK SR61 2 RED 3 C65 52C TAB20 PE GRN/YLW 4 3 DEICER P.C.
PAGE 11
03.11.13 4:06 PM Page 11 6 5 4 3 2 1 YLW BLK WHT 6 L TB1 CN662 1 2 3 CN724 SR62 X62 N X52 SR61 PE RED ORN C2 CN711CN721 1 2 X62 3 COM NO X52 TAB52 21S4 COM NO GRN/YLW POWER SUPPLY ~ /N 230V 50Hz CIRCUIT BREAKER CN661 YLW BLK WHT ORN RED MF LEV DSAR BRN MUH-A30WV - E1 MODEL WIRING DIAGRAM RT61 RT62 RT63 OUTDOOR UNIT TO INDOOR UNIT CONNECTING 12V OB322-1.
PAGE 12
OB322-1.qxp 7 03.11.13 4:06 PM Page 12 REFRIGERANT SYSTEM DIAGRAM MUH-A18WV - E1 OUTDOOR UNIT Unit:mm 4- way valve Refrigerant pipe [12.7 (with heat insulator) Oil separator #100 Stop valve (with service port) Defrost thermistor RT61 Flared connection Outdoor heat exchanger Capillary tube [2.5o[0.6o1,000 Compressor Capillary tube [3.0o[1.6o750 (2 pcs) Flared connection Capillary tube [3.0o[1.6o450 Receiver Stop Refrigerant pipe[6.35 valve (with heat insulator) Strainer #100 R.V.
PAGE 13
OB322-1.qxp 03.11.13 4:06 PM Page 13 MUH-A30WV - E1 OUTDOOR UNIT Unit:mm Muffler 4-way valve #100 Refrigerant pipe [15.88 (with heat insulator) Stop valve (with service port) Flared connection Outdoor heat exchanger Discharge temperature thermistor RT62 Defrost thermistor RT61 Muffler Compressor Flared connection Strainer Receiver #100 Stop valve LEV Ambient temperature thermistor RT63 Strainer #100 R.V. coil heating ON cooling OFF Capillary tube [3.6✕[2.4✕50 Refrigerant pipe [9.
PAGE 14
OB322-1.qxp 03.11.
PAGE 15
OB322-1.qxp 03.11.13 4:06 PM 8 Page 15 PERFORMANCE CURVES MUH-A18WV - E1 MUH-A24WV - E1 MUH-A30WV - E1 The standard data contained in these specifications apply only to the operation of the air conditioner under normal conditions, since operating conditions vary according to the areas where these units are installed. The following information has been provided to clarify the operating characteristics of the air conditioner under the conditions indicated by the performance curve.
PAGE 16
03.11.13 4:06 PM 36.8 38.4 24.5 34.0 35.5 22.5 31.1 32.5 20.4 28.3 29.6 18.4 25.5 26.6 16.3 22.6 23.6 19.8 20.7 12.3 17.0 17.7 Page 16 MSH-A30WV - E1 MUH-A30WV - E1 14.3 MSH-A24WV - E1 MUH-A24WV - E1 26.6 MSH-A18WV - E1 MUH-A18WV - E1 OB322-1.qxp NOTE:The above curves are for the heating operation without any frost. OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT COOL operation 1 Both indoor and outdoor unit are under the same temperature/humidity condition.
PAGE 17
03.11.13 4:06 PM Page 17 (kgf/F[Gauge])(MPa[Gauge]) MUH-A30WV - E1 16 230V 10 10 9 9 8 8 7 7 6 6 5 5 15 18 20 50 25 60 30 32 70(%) Outdoor unit current(A) Outdoor low pressure MUH-A30WV - E1 11 11 230V 15 14 13 12 11 10 15 35(:) Ambient temperature(˚C) Ambient humidity(%) 18 20 50 25 60 30 32 70(%) Ambient temperature(˚C) Ambient humidity(%) HEAT operation Condition indoor:Dry bulb temperature 20.0°C Wet bulb temperature 14.
PAGE 18
OB322-1.qxp 03.11.13 4:06 PM Page 18 PERFORMANCE DATA COOL operation MSH-A18WV - E1 : MUH-A18WV - E1 (230V) CAPACITY : 5.0(KW) SHF : 0.65 INDOOR INDOOR DB(:) WB(:) 21 18 21 20 22 18 22 20 22 22 23 18 23 20 23 22 24 18 24 20 24 22 24 24 25 18 25 20 25 22 25 24 26 18 26 20 26 22 26 24 26 26 27 18 27 20 27 22 27 24 27 26 28 18 28 20 28 22 28 24 28 26 29 18 29 20 29 22 29 24 29 26 30 18 30 20 30 22 30 24 30 26 31 18 31 20 31 22 31 24 31 26 32 18 32 20 32 22 32 24 32 26 NOTE Q 5.88 6.13 5.88 6.13 6.38 5.
PAGE 19
OB322-1.qxp 03.11.13 4:06 PM Page 19 PERFORMANCE DATA COOL operation MSH-A18WV - E1 : MUH-A18WV - E1 (230V) CAPACITY : 5.0(KW) SHF : 0.65 INDOOR INDOOR DB(:) WB(:) 21 18 21 20 22 18 22 20 22 22 23 18 23 20 23 22 24 18 24 20 24 22 24 24 25 18 25 20 25 22 25 24 26 18 26 20 26 22 26 24 26 26 27 18 27 20 27 22 27 24 27 26 28 18 28 20 28 22 28 24 28 26 29 18 29 20 29 22 29 24 29 26 30 18 30 20 30 22 30 24 30 26 31 18 31 20 31 22 31 24 31 26 32 18 32 20 32 22 32 24 32 26 NOTE Q 4.90 5.15 4.90 5.15 5.45 4.
PAGE 20
OB322-1.qxp 03.11.13 4:06 PM Page 20 PERFORMANCE DATA COOL operation MSH-A24WV - E1 : MUH-A24WV - E1 (230V) CAPACITY : 6.3(KW) SHF : 0.64 INDOOR INDOOR DB(:) WB(:) 21 18 21 20 22 18 22 20 22 22 23 18 23 20 23 22 24 18 24 20 24 22 24 24 25 18 25 20 25 22 25 24 26 18 26 20 26 22 26 24 26 26 27 18 27 20 27 22 27 24 27 26 28 18 28 20 28 22 28 24 28 26 29 18 29 20 29 22 29 24 29 26 30 18 30 20 30 22 30 24 30 26 31 18 31 20 31 22 31 24 31 26 32 18 32 20 32 22 32 24 32 26 NOTE Q 7.40 7.72 7.40 7.72 8.03 7.
PAGE 21
OB322-1.qxp 03.11.13 4:06 PM Page 21 PERFORMANCE DATA COOL operation MSH-A24WV - E1 : MUH-A24WV - E1 (230V) CAPACITY : 6.3(KW) SHF : 0.64 INDOOR INDOOR DB(:) WB(:) 21 18 21 20 22 18 22 20 22 22 23 18 23 20 23 22 24 18 24 20 24 22 24 24 25 18 25 20 25 22 25 24 26 18 26 20 26 22 26 24 26 26 27 18 27 20 27 22 27 24 27 26 28 18 28 20 28 22 28 24 28 26 29 18 29 20 29 22 29 24 29 26 30 18 30 20 30 22 30 24 30 26 31 18 31 20 31 22 31 24 31 26 32 18 32 20 32 22 32 24 32 26 NOTE Q 6.17 6.49 6.17 6.49 6.87 6.
PAGE 22
OB322-1.qxp 03.11.13 4:06 PM Page 22 PERFORMANCE DATA COOL operation MSH-A30WV - E1 : MUH-A30WV - E1 (230V) CAPACITY : 8.5(KW) SHF : 0.62 INDOOR INDOOR DB(:) WB(:) Q 21 18 9.99 21 20 10.41 22 18 9.99 22 20 10.41 22 22 10.84 23 18 9.99 23 20 10.41 23 22 10.84 24 18 9.99 24 20 10.41 24 22 10.84 24 24 11.39 25 18 9.99 25 20 10.41 25 22 10.84 25 24 11.39 26 18 9.99 26 20 10.41 26 22 10.84 26 24 11.39 26 26 11.73 27 18 9.99 27 20 10.41 27 22 10.84 27 24 11.39 27 26 11.73 28 18 9.99 28 20 10.41 28 22 10.
PAGE 23
OB322-1.qxp 03.11.13 4:06 PM Page 23 PERFORMANCE DATA COOL operation MSH-A30WV - E1 : MUH-A30WV - E1 (230V) CAPACITY : 8.5(KW) SHF : 0.62 INDOOR INDOOR DB(:) WB(:) Q 21 18 8.33 21 20 8.76 22 18 8.33 22 20 8.76 22 22 9.27 23 18 8.33 23 20 8.76 23 22 9.27 24 18 8.33 24 20 8.76 24 22 9.27 24 24 9.78 25 18 8.33 25 20 8.76 25 22 9.27 25 24 9.78 26 18 8.33 26 20 8.76 26 22 9.27 26 24 9.78 26 26 10.29 27 18 8.33 27 20 8.76 27 22 9.27 27 24 9.78 27 26 10.29 28 18 8.33 28 20 8.76 28 22 9.27 28 24 9.78 28 26 10.
PAGE 24
OB322-1.qxp 03.11.13 4:06 PM Page 24 PERFORMANCE DATA HEAT operation MSH-A18WV - E1 : MUH-A18WV - E1 (230V) CAPACITY : 5.2(KW) INPUT : 1610(W) OUTDOOR WB(:) -10 -5 0 5 10 15 20 INDOOR DB(:) Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT 3.28 1047 3.95 1256 4.63 1417 5.30 1530 5.98 1626 6.60 1674 7.28 1707 15 3.12 1127 3.74 1336 4.42 1481 5.04 1594 5.72 1674 6.34 1723 6.99 1787 21 2.81 1208 3.48 1417 4.11 1562 4.78 1674 5.46 1755 6.08 1803 6.
PAGE 25
OB322-1.qxp 03.11.13 4:06 PM 9 Page 25 MICROPROCESSOR CONTROL MUH-A18WV - E1 MUH-A24WV - E1 MUH-A30WV - E1 9-1. “I FEEL CONTROL” ( ) OPERATION 9-1-1. COOL mode of “I FEEL CONTROL” 1. Outdoor fan speed control Outdoor fan speed is controlled according to the temperature of ambient temperature thermistor RT63. Outdoor fan Low operation : When the outside temperature decreases to 20°C or less. Until the outside temperature goes to 22°C.
PAGE 26
OB322-1.qxp 03.11.13 4:06 PM Page 26 NOTE : During high pressure protection and for 4 minutes and 15 seconds after high pressure protection, defrosting of outdoor heat exchanger is not detected by the defrost thermistor RT61. During heating operation, the outdoor fan and the compressor are controlled by the temperature of indoor coil thermistor RT12 for excess rise protection of compressor discharge pressure.
PAGE 27
03.11.13 4:06 PM Page 27 5. R.V. coil control Heating · · · · · ON Cooling · · · · · OFF Dry · · · · · · · · OFF NOTE: The 4-way valve reverses for 5 seconds right before start-up of the compressor. Compressor R.V. coil ON OFF ON OFF Outdoor fan ON OFF (COOL / DRY) (HEAT) 5 sec. 5 sec. ON OFF ON OFF ON OFF 9-2. LEV control Basic specification LEV (Expansion valve) is controlled by “Thermostat ON” commands given from the unit. General operation OB322-1.
PAGE 28
OB322-1.qxp 03.11.13 4:06 PM Page 28 (1) LEV opening correction by discharge temperature The LEV opening is corrected according to the temperature difference between target discharge temperature (Tb) and actual discharge temperature (Ta). 1 The LEV correction is used properly for two kinds according to the LEV opening status at operation off.
PAGE 29
03.11.13 4:06 PM Page 29 (2) LEV time chart Open LEV opening OB322-1.
PAGE 30
OB322-1.qxp 03.11.13 4:06 PM Page 30 Start Indoor unit operates. Outdoor unit doesn't operate. Outdoor unit operates in only Test Run operation. Check room temperature thermistor. Refer to "Test point diagram and voltage". Outdoor unit doesn't operate even in Test Run operation. Refer to A "Check of outdoor unit" on page 32 or 33. Indoor unit operates. Outdoor unit doesn't operate normally. Outdoor unit doesn't stop even if indoor unit stops. Refer to B "Check of outdoor unit" on page 34.
PAGE 31
03.11.13 4:08 PM Page 31 11-2. Trouble criterion of main parts MUH-A18WV - E1 Part name Defrost thermistor (RT61) Discharge temperature thermistor(RT62) MUH-A30WV MUH-A24WV - E1 MUH-A30WV - E1 Check method and criterion Measure the resistance with a tester. (Part temperature –10˚C ~ 40˚C) Normal 5 k" ~ 60 k" Figure Abnormal Open or short-circuit Measure the resistance with a tester. Before measurement, hold the thermistor with your hands to warm it up.
PAGE 32
OB322-2.qxp 03.11.13 4:08 PM Page 32 Compressor and/or outdoor fan motor doesn’t operate. A Check of outdoor unit MUH-A18WV Operate the unit in COOL or HEAT mode by pressing the EMERGENCY OPERATION switch. 3-minute time delay works. Test run operation operates for 30 minutes. Compressor doesn't operate. Rectify the indoor and outdoor connecting wire. No Is there 230V AC between 4 on the Is there 5V DC between J205 + –J101 – on compressor contactor (52C) and the deicer P.C.
PAGE 33
OB322-2.qxp 03.11.13 4:08 PM Page 33 MUH-A24WV MUH-A30WV Turn ON the power supply. 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. Is there 5V DC between No J101 + - J401 on the deicer P.C. board? w Yes Operate the unit in COOL or HEAT mode by pressing the EMERGENCY OPERATION switch.
PAGE 34
OB322-2.qxp 03.11.13 4:08 PM Page 34 Compressor and/or outdoor fan motor doesn’t stop. B Check of outdoor unit MUH-A18WV Turn OFF the power supply. After 1 minute, turn ON power supply again. No Does compressor stop? Yes Is there 230V AC between 3 on the compressor contactor (52C) and N on the outdoor terminal block (TB1)? Yes OK No Rectify the connecting wire. Replace the deicer P.C. board. No Replace the deicer P.C. board.
PAGE 35
OB322-2.qxp 03.11.13 4:08 PM Page 35 Unit operates HEAT mode even if it is set to COOL mode. C Check of R.V. coil w First, measure the resistance of R.V. coil to confirm it is disconnected or is not short-circuit. Disconnect the TAB52 on the deicer P.C. board. Turn ON the power supply and operate the indoor unit in COOL mode by pressing the EMERGENCY OPERATION switch. After 3 minutes, is there 230V AC between CN721 1-3 on the deicer P.C. board? Yes No Replace the R.V. coil. Replace the deicer P.C.
PAGE 36
OB322-2.qxp 03.11.13 4:08 PM Page 36 When OPERATION INDICATOR lamp flashes 10-time. Heating/ Cooling doesn't operate. E Check of LEV (Expansion valve) MUH-A30WV 1 During pressing OPERATION SELECT button on remote controller, press RESET button. 2 First, release RESET button. 1 During pressing OPERATION SELECT (Confirm all displays of remote controller.) button on remote controller, press 3 Then release OPERATION SELECT button. RESET button. 2 First, release RESET button.
PAGE 37
03.11.13 4:08 PM Page 37 Power supply input 230V AC } CN711 CN721 Outdoor fan motor R.V. coil 230V AC 230V AC } MUH-A18WV - E1 Outdoor deicer P.C. board } OB322-2.qxp NR61 Varistor F61 Fuse 2A/250V + -- } R601 5~10V DC Defrost interval time short pin (JPDS, JPSG) (Refer to page 29.) wire for } Jumper change in defrost setting (JRF,JRG) (Refer to page 29.) } 5V DC J205 + J101 -- (Refer to page 32 or 35.) 12V DC J204 + J101 -- 37 CN661 1-2 Defrost thermistor RT61 (Refer to page 36.
PAGE 38
OB322-2.qxp 03.11.13 4:08 PM Page 38 MUH-A24WV - E1 MUH-A30WV - E1 Outdoor deicer P.C. board Defrost thermistor (RT61) Ambient temperature thermistor (RT63) 100 80 Discharge temperature thermistor(RT62) 70 900 60 800 50 700 Resistance(k") Resistance(k") 90 40 30 20 600 500 400 300 200 10 100 0 -20 -10 0 10 20 30 40 Temperature(:) CN661 1-2 Defrost thermistor (RT61) (Refer to page 36.) 0 CN662 1-2 Discharge temperature thermistor (RT62) (Refer to page 36.
PAGE 39
OB322-2.qxp 03.11.13 4:08 PM 12 Page 39 DISASSEMBLY INSTRUCTIONS <"Terminal with lock mechanism" Detaching points> In case of terminal with lock mechanism, detach the terminal as shown below. There are two types ( Refer to (1) and (2)) of the terminal with lock mechanism. The terminal with no lock mechanism can be removed by pulling it out. Check the shape of the terminal and work. (1) Slide the sleeve and check if there is a locking lever or not.
PAGE 40
OB322-2.qxp 03.11.13 4:08 PM Page 40 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 the propeller, align the mark on the propeller and the motor shaft cut section. Set the propeller fan in position by using the cut on the shaft and the mark on the propeller.
PAGE 41
OB322-2.qxp 03.11.13 4:08 PM Page 41 12-2. MUH-A24WV - E1 MUH-A30WV - E1 OUTDOOR UNIT NOTE : These photos are MUH-A30WV. MUH-A24WV is almost the same as MUH-A30WV. OPERATING PROCEDURE PHOTOS 1.Removing the cabinet Photo 1 (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 the screws of the front panel. (8) Remove the front panel.
PAGE 42
OB322-2.qxp 03.11.13 4:09 PM Page 42 PHOTOS OPERATING PROCEDURE 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 the propeller, align the mark on the propeller and the motor shaft cut section. Set the propeller fan in position by using the cut on the shaft and the mark on the propeller.
PAGE 43
OB322-2.qxp 03.11.13 4:09 PM 13 Page 43 PARTS LIST MUH-A18WV - E1 13-1. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTS 19 DEFROST THERMISTOR 21 18 20 17 15 1 2 16 14 13 12 11 10 3 4 5 7 6 8 9 Part numbers that are circled are not shown in the illustration. NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Part No.
PAGE 44
OB322-2.qxp 03.11.13 4:09 PM Page 44 MUH-A24WV - E1 13-2.
PAGE 45
OB322-2.qxp 03.11.13 4:09 PM Page 45 MUH-A24WV - E1 13-2. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTS Part numbers that are circled are not shown in the illustration. NO. Part No.
PAGE 46
OB322-2.qxp 03.11.13 4:09 PM Page 46 MUH-A30WV - E1 13-3.
PAGE 47
OB322-2.qxp 03.11.13 4:09 PM Page 47 MUH-A30WV - E1 13-3. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTS Part numbers that are circled are not shown in the illustration. NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Part No.
PAGE 48
OB322-2.qxp 03.11.13 4:09 PM Page 48 MUH-A18WV - E1 MUH-A24WV - E1 MUH-A30WV - E1 13-4. ACCESSORY NO. 1 2 Part No. 1 Part Name 2 Q'ty/unit Symbol in Wiring MUH-A18WV- MUH-A24WV- MUH-A30WVDiagram E1 E1 E1 E02 817 704 DRAIN SOCKET E02 444 705 DRAIN CAP E02 444 706 DRAIN CAP 1 2 1 1 2 1 2 Remarks [33 [16 HEAD OFFICE: MITSUBISHI DENKI BLDG.,2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO100-8310, JAPAN C Copyright 2003 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD Distributed in Nov. 2003. No.