Mitsubishi Electric MS-09SN-C1 Service Manual

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SPLIT-TYPE, AIR CONDITIONERS

SERVICE MANUAL

Wireless type

Models

MS-09SN -

MS-10SN -

MS-12SN -

MS-15SN -

MS-17SN -

MS-18SN -

MS-24SN -

MS-09SN -

MS-10SN -

Revision:

MS-09SN -

and MS-18SN -

Please void OB256 REVISED EDITION-A.

· MU-09SN -

( WH )

· MU-09SN -

( WH )

· MU-10SN -

( WH )

· MU-10SN -

( WH )

· MU-12SN -

( WH )

· MU-12SN -

( WH )

· MU-15SN -

( WH )

· MU-15SN -

( WH )

· MU-17SN -

( WH )

· MU-18SN -

( WH )

· MU-24SN -

( WH )

CONTENTS

1. TECHNICAL CHANGES ····································2

2. PART NAMES AND FUNCTIONS······················4

3. SPECIFICATION·················································6

4. OUTLINES AND DIMENSIONS ·························9

5. WIRING DIAGRAM ··········································12

6. REFRIGERANT SYSTEM DIAGRAM ··············18

7. PERFORMANCE CURVES ······························22

8. MICROPROCESSOR CONTROL ····················25

9. SERVICE FUNCTIONS ····································32

10. TROUBLESHOOTING······································34

11. DISASSEMBLY INSTRUCTIONS·····················42

12. PARTS LIST······················································50

13. OPTIONAL PARTS···········································58

, MS-10SN -

, MS-12SN -

has been added.

, MS-15SN -

No. OB256

REVISED EDITION-B

Table of Contents

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Summary of Contents for Mitsubishi Electric MS-09SN-C1

Page 1: Table Of Contents
Revision: , MS-10SN - , MS-12SN - , MS-15SN - MS-09SN - and MS-18SN - has been added. Please void OB256 REVISED EDITION-A. SPLIT-TYPE, AIR CONDITIONERS No. OB256 REVISED EDITION-B SERVICE MANUAL Wireless type Models MS-09SN - · MU-09SN - ( WH ) MS-09SN - ·...
Page 2: Ms-09Sn
TECHNICAL CHANGES MS-09NW - MS-09SN - 1. Power supply voltage has changed. (110V 220V) 2. Indoor unit model has changed. 3. Remote controller has changed. • SLEEP MODE function has been removed. • ECONO COOL operation has been added. • SWING button was removed, but SWING MODE function is available by VANE CONTROL button. MS-10SN - New model MS-12NN -...
Page 3 MU-09NW - MU-09SN - 1. Outdoor unit model has changed. 2. Additional refrigerant amount of extended pipe length over 7m has changed. (10g/m 15g/m) MU-10SN - New model MU-12NN - MU-12SN - 1. Outdoor unit model has changed. 2. Additional refrigerant amount of extended pipe length over 7m has changed. (10g/m 15g/m) 3.
Page 4: Ms-09Sn - Ms-09Sn - Ms-10Sn - Ms-10Sn
PART NAMES AND FUNCTIONS INDOOR UNIT MS-12SN - MS-09SN - MS-12SN - MS-09SN - MS-15SN - MS-10SN - MS-15SN - MS-10SN - MS-17SN - Grille MS-18SN - Deodorizing filter(option) MS-24SN - Air inlet (gray sponge type) Air cleaning filter(option) (white bellows type) Remote control receiving section Front panel...
Page 5: Remote Controller
ACCESSORIES <Indoor unit> MS-12SN- MS-17SN- MS-12SN- MS-18SN- MS-09SN- MS-15SN- MS-24SN- MS-09SN- MS-15SN- Installation plate Installation plate fixing screw 4 x 25 mm Remote controller mounting hardware Fixing screw for 3 3.5 x 16 mm (Black) Battery (AAA) for remote controller Wireless remote controller Felt tape (Used for left or left-rear piping) REMOTE CONTROLLER...
Page 6: Specification
SPECIFICATION MS-09SN - MS-09SN - Indoor model MS-10SN - MS-10SN - Function Cooling Single phase Power supply 220V, 60Hz Capacity 2,150/2.50 2,450/2.85 2,500/2.91 (kcal/h)/(kW) Dehumidification 474/384 /300 564/474 /384 Air flow(High/Med. /Low K /h Power outlet 4.13 Running current 4.50 4.61 Total input 1,005...
Page 7 Indoor model MS-12SN - MS-12SN - MS-15SN - MS-15SN - Function Cooling Single phase Power supply 220V, 60Hz Capacity 3,150/3.66 3,650/4.24 (kcal/h)/(kW) Dehumidification 780/672 /570 Air flow(High/Med. /Low K /h Power outlet Running current 5.14 6.50 Total input 1,120 1,400 —...
Page 8 Indoor model MS-24SN - MS-17SN - MS-18SN - Cooling Function Single phase Power supply 220V, 60Hz Capacity (kcal/h)/(kW) 3,950/4.59 4,500/5.23 5,600/6.51 Dehumidification Air flow(High/Med. /Low K /h 840/750 /660 Power outlet Running current 14.00 7.30 8.77 Total input 3,040 1,580 1,910 —...
Page 9: Outlines And Dimensions
OUTLINES AND DIMENSIONS Unit: mm MS-09SN - MS-09SN - Installation plate INDOOR UNIT Indoor unit 81.5 116.5 Wall hole [65 Installation plate Liquid line [ 6.35- 0.5m Gas line [ 9.52-0.43m Air in Insulation [37 O.D [ 21 I.D Drain hose [16 (Connected part O.D) Air out Insulation [ 28...
Page 10 Unit: mm MU-09SN - MU-09SN - MU-10SN - MU-10SN - MU-12SN - MU-12SN - OUTDOOR UNIT REQUIRED SPACE Air in Air in Drainage 3holes [33 Airout Service panel Liquid refrigerant pipe joint Refrigerant pipe (flared) [6.35 Gas refrigerant pipe joint Refrigerant pipe (flared) [9.52 (MU-09/10SN ) [12.7 (MU-12SN )
Page 11 MS-12SN - MS-17SN - MS-12SN - MS-18SN - MS-15SN - MS-24SN - 4holes 11x 20 Indoor unit MS-15SN - INDOOR UNIT Wall hole Installation plate 1015 Installation plate Liquid line 8-0.5m Gas line 12-0.43m Air in Insulation 50 O.D 28 I.D Drain hose Air out Insulation...
Page 12: Wiring Diagram
WIRING DIAGRAM MS-09SN - MS-10SN - MODELS WIRING DIAGRAM INDOOR UNIT TO OUTDOOR RT12 UNIT HIC1 CONNECTING RT11 CN201 220V~ NR11 TRANS SR141 CN211 LD101T ELECTRONIC CONTROL P.C. BOARD POWER MONITOR, POWER RECEIVER SUPPLY CORD P.C. BOARD REMOTE 1[ 220V~ CONTROLLER 60Hz SYMBOL...
Page 13 MS-09SN - MS-10SN - MODELS WIRING DIAGRAM INDOOR UNIT TO OUTDOOR RT12 UNIT HIC1 CONNECTING RT11 CN201 220V~ NR11 TRANS SR141 CN211 LD101T ELECTRONIC CONTROL P.C. BOARD POWER MONITOR, POWER RECEIVER SUPPLY P.C. BOARD REMOTE CORD 1[ 220V~ CONTROLLER 60Hz SYMBOL NAME SYMBOL...
Page 14 MS-12SN - MS-17SN - MS-15SN - MODELS WIRING DIAGRAM INDOOR UNIT TO OUTDOOR UNIT RT12 CONNECTING HIC1 IC141 220V~ CN201 CN211 TRANS RT11 ELECTRONIC CONTROL P.C. BOARD POWER SUPPLY CORD 1[ 220V~ DISPLAY RECEIVER 60Hz P.C.BOARD P.C.BOARD REMOTE CONTROLLER GRN/YLW SYMBOL NAME SYMBOL...
Page 15 MS-18SN - MS-12SN - MS-15SN - MODELS WIRING DIAGRAM INDOOR UNIT TO OUTDOOR UNIT RT12 CONNECTING HIC1 IC141 220V~ CN201 CN211 TRANS RT11 ELECTRONIC CONTROL P.C. BOARD POWER SUPPLY CORD 1[ 220V~ DISPLAY RECEIVER 60Hz P.C.BOARD P.C.BOARD REMOTE CONTROLLER GRN/YLW SYMBOL NAME SYMBOL...
Page 16 MU-18SN - MODELS WIRING DIAGRAM OUTDOOR UNIT FROM INDOOR UNIT CONNECTING 220V~ BLU 4 NAME SYMBOL SYMBOL NAME SYMBOL NAME COMPRESSOR(INNER PROTECTOR) TERMINAL BLOCK COMPRESSOR CAPACITOR OUTDOOR FAN MOTOR(INNER PROTECTOR) OUTDOOR FAN CAPACITOR VG79B106H01 NOTE:1. About the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing. 2.Use copper conductors only.
Page 17 MS-24SN - MODEL WIRING DIAGRAM INDOOR UNIT TO OUTDOOR UNIT RT12 CONNECTING HIC1 IC141 220V~ CN201 220V~ CN211 TRANS RT11 ELECTRONIC CONTROLP.C. BOARD POWER SUPPLY CORD 1[ 220V~ DISPLAY RECEIVER 60Hz P.C.BOARD P.C.BOARD REMOTE CONTROLLER GRN/YLW SYMBOL NAME SYMBOL NAME SYMBOL NAME INDOOR FAN CAPACITOR...
Page 18: Refrigerant System Diagram
REFRIGERANT SYSTEM DIAGRAM Unit:mm MS-09SN - MU-09SN - MS-09SN - MU-09SN - INDOOR UNIT OUTDOOR UNIT Refrigerant pipe [9.52 (Option) Stop valve (with heat insulator) (with service port) Indoor Indoor coil heat thermistor Outdoor exchanger RT12 heat Flared connection exchanger Room temperature Compressor thermistor...
Page 19 Unit:mm MS-12SN - MU-12SN - MS-12SN - MU-12SN - OUTDOOR UNIT INDOOR UNIT Refrigerant pipe {12.7 (Option) (with heat insulator) Indoor coil Stop valve thermistor (with service port) Indoor heat RT12 exchanger Outdoor heat Flared exchanger connector Distributor Strainer Room temperature Compressor thermistor RT11...
Page 20 Unit:mm MS-24SN - MU-24SN - INDOOR UNIT OUTDOOR UNIT Refrigerant pipe [15.88 (Option) Stop valve (with heat insulator) (With service port) Indoor coil thermistor Indoor heat Outdoor heat RT12 exchanger exchanger Flared connector RT11 Room temperature thermistor Accumulator Flared Compressor Discharge pressure connector regulator open...
Page 21 MAX. REFRIGERANT PIPING LENGTH Refrigerant piping Piping size O.D : mm Length of connecting pipe : m Model Max. length : m Liquid Indoor unit Outdoor unit MU-09SN - MS-09SN - MS-09SN - MU-09SN - {9.52 MU-10SN - MS-10SN - MU-10SN - MS-10SN - 0.43...
Page 22: Performance Curves
PERFORMANCE CURVES MU-12SN - MS-09SN - MS-12SN - MU-09SN - MU-17SN - MS-17SN - MU-12SN - MS-09SN - MU-09SN - MS-12SN - MU-18SN - MS-18SN - MU-15SN - MS-10SN - MU-10SN - MS-15SN - MU-24SN - MS-24SN - MU-15SN - MS-10SN - MU-10SN - MS-15SN -...
Page 23 OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT COOL operation Both indoor and outdoor unit are under the same temperature/humidity condition. Relative humidity(%) Dry-bulb temperature(:) Air flow should be set at MAX. 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])
Page 24 MU-15SN - MU-15SN - MU-15SN - (kgf/F[Gauge])(MPa[Gauge]) MU-15SN - 35(:) 35(:) 70(%) 70(%) Ambient temperature(˚C) Ambient temperature(˚C) Ambient humidity(%) Ambient humidity(%) (kgf/F[Gauge])(MPa[Gauge]) MU-17SN - MU-17SN - 35(:) 35(:) 70(%) 70(%) Ambient temperature(˚C) Ambient temperature(˚C) Ambient humidity(%) Ambient humidity(%) MU-18SN - MU-18SN - (kgf/F[Gauge])(MPa[Gauge]) 10.0...
Page 25: Microprocessor Control
MICROPROCESSOR CONTROL MS-09SN - MS-12SN - MU-09SN - MU-12SN - MS-17SN - MU-17SN - MS-09SN - MS-12SN - MU-09SN - MU-12SN - MS-18SN - MU-18SN - MS-10SN - MU-10SN - MS-15SN - MU-15SN - MS-24SN - MU-24SN - MS-10SN - MU-10SN - MS-15SN - MU-15SN -...
Page 26 (4) The initial set temperature is decided by the initial room temperature. Mode Initial room temperature Initial set temperature 26: or more COOL mode of "I FEEL CONTROL" Initial room temperature 25: to 26: minus 2: DRY mode of Initial room temperature more than 13:, less than 25: "I FEEL CONTROL"...
Page 27 When compressor stops, the accumulated time is cancelled. When compressor restarts, time counting starts from the beginning. Time counting also stops temporarily when the indoor fan speed becomes High or the room temperature exceeds 26°C. However, when two of the above conditions (b.and c.) are satisfied again, time accumulation is resumed. Operation chart Example Compressor...
Page 28 1. Indoor fan speed control Indoor fan speed control is as same as COOL mode of “I FEEL CONTROL”.(Refer to 8-1-1. COOL mode of I FEEL CON- TROL” 1.) 2. Coil frost prevention Coil frost prevention is as same as COOL mode of “I FEEL CONTROL”.(Refer to 8-1-1. COOL mode of I FEEL CONTROL” Set temperature and 8-3.
Page 29 (3) Positioning The vane is once pressed to the vane stopper below to confirm the standard position and then set to the desired angle. Confirming of standard position is performed in case of follows. (a) When the OPERATE / STOP(ON / OFF) button is pressed. (b) When the vane control is changed from AUTO to MANUAL.
Page 30 8-7. TIMER OPERATION 1. How to set the timer (1) Press OPERATE/STOP(ON/OFF) button to start the air conditioner. (2) Check that the current time is set correctly. NOTE : Timer operation will not work without setting the current time. Initially “AM 0:00” blinks at the current time display of TIME MONITOR, so set the current time correctly with CLOCK SET button.
Page 31 8-8. EMERGENCY-TEST OPERATION In case of test run operation or emergency operation, use the EMERGENCY OPERATION switch on the front of the indoor unit. Emergency operation is available when the remote controller is missing, has failed or the batteries of remote controller run down.
Page 32: Service Functions
SERVICE FUNCTIONS MS-09SN - MS-12SN - MS-17SN - MS-09SN - MS-12SN - MS-18SN - MS-10SN - MS-15SN - MS-24SN - MS-10SN - MS-15SN - 9-1. TIMER SHORT MODE For service, set time can be shortened by short circuit of JPG and JPS the electronic control P.C. board. The time will be shortened as follows.
Page 33 9-3. AUTO RESTART FUNCTION When the indoor unit is controlled with the remote controller, the operation mode, the set temperature, and the fan speed are memorized by the indoor electronic control P.C.board. The “AUTO RESTART FUNCTION” sets to work the moment the power has restored after power failure.
Page 34: Troubleshooting
TROUBLESHOOTING MS-12SN - MU-12SN - MS-09SN - MS-17SN - MU-09SN - MU-17SN - MS-12SN - MU-12SN - MS-09SN - MU-09SN - MS-18SN - MU-18SN - MS-15SN - MU-15SN - MS-10SN - MU-10SN - MS-24SN - MU-24SN - MS-15SN - MU-15SN - MS-10SN - MU-10SN - 10-1.
Page 35 10-2. Instruction of troubleshooting Start Indoor unit Indoor unit OPERATION INDICATOR operates. doesn't receive lamp on the indoor unit is Outdoor unit the signal from flashing on and off. doesn't remote controller. operate. 2-time flash Outdoor unit 3-time flash Cause: Indoor unit Indoor unit doesn't...
Page 36 2. Trouble criterion of main parts MS-12SN - MU-12SN - MS-09SN - MS-17SN - MU-09SN - MU-17SN - MS-12SN - MU-12SN - MS-09SN - MU-09SN - MS-18SN - MU-18SN - MS-15SN - MU-15SN - MS-10SN - MU-10SN - MS-24SN - MU-24SN - MS-15SN - MU-15SN -...
Page 37 When OPERATION INDICATOR lamp flashes 3-time. Indoor fan motor doesn’t operate. Check of indoor fan motor Turn OFF the power supply. Check connector CN211 visually. Are lead wires connected? Is soldered point of connector normal? Re-connect the lead wires. Re-solder it. Disconnect lead wires from connector CN211 on indoor electronic control P.C.
Page 38 The unit doesn’t operate with the remote controller. Also, the OPERATION INDICATOR lamp doesn’t light up by pressing the EMERGENCY OPERATION switch. Check of indoor electronic control P.C. board Check both “parts side”and “pattern side” of indoor electronic control P.C. board visually. CN201 Turn OFF the power supply.
Page 39 <MS-24SN> Start Turn ON the power supply. Press the EMERGENCY OPERATION switch. 3-minute time delay works. Test run operation operates for 30 minutes. Check the voltage to terminal block of Reconnect the continuity of indoor and outdoor unit. Is there 220V AC to outdoor unit connection.
Page 40 TEST POINT DIAGRAM AND VOLTAGE MS-09SN - MS-09SN - MS-10SN - MS-10SN - Indoor electronic control P.C. board Varistor (NR11) Fuse 250V AC 3.15A Fan motor power supply Power CN201 supply input 220V AC Room temperature 12V DC thermistor (RT11) Timer short mode point(JPS,JPG) (Refer to page 32.)
Page 41 TEST POINT DIAGRAM AND VOLTAGE MS-12SN - MS-15SN - MS-17SN - MS-24SN - MS-12SN - MS-15SN - MS-18SN - Indoor electronic control P.C. board Fan motor power supply Varistor (NR11) Fuse 250V AC 3.15A CN201 Power supply input 220V AC C144 5V DC C144...
Page 42: Disassembly Instructions
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.
Page 43 OPERATING PROCEDURE PHOTOS 3. Removing the electrical box Photo 3 Screw of the ground wire (1) Remove the front panel. (Refer to 1) (2) Remove the electrical cover. (Refer to 2) (3) Disconnect the connector of the indoor coil thermistor. (4) Disconnect the motor connector (CN211 and CN121) and the vane motor connector (CN151) on the electronic control P.C.
Page 44 11-2. MS-12SN - MS-15SN - MS-17SN - MS-24SN - MS-12SN - MS-15SN - MS-18SN - INDOOR UNIT OPERATING PROCEDURE PHOTOS Photo 1 1. Removing the front panel (1) Remove the screw caps at the down of the front panel. Remove the screws. Front panel (2) Pull the panel down to your side slightly and unhook the catches at the top.
Page 45 OPERATING PROCEDURE PHOTOS Screw of the 3. Removing the electrical box Screw of the electrical cover Photo 3 (1) Remove the front panel. (Refer to 1) ground wire (2) Remove the electrical cover. (3) Disconnect the connector of the indoor coil thermistor. (4) Disconnect the motor connector (CN211 and CN121) and the vane motor connector (CN151) on the electronic con- trol P.C.
Page 46 11-3. MU-09SN - MU-10SN - MU-12SN - MU-09SN - MU-10SN - MU-12SN - OUTDOOR UNIT OPERATING PROCEDURE PHOTOS 1. Removing the cabinet Screws of the front panel Photo 1 (1) Remove the screws of the top panel. and motor support (2) Remove the screw of the service panel.
Page 47 OPERATING PROCEDURE PHOTOS 3. Removing the propeller fan and the outdoor fan Photo 5 motor (1) Remove the cabinet. (Refer to 1.) Set screws of (2) Remove the propeller fan nut. outdoor fan motor Hook (3) Remove the propeller fan. Lead clamps NOTE : Loose the propeller fan in the rotating direction for Propeller fan...
Page 48 11-4. MU-15SN - MU-17SN - MU-24SN - MU-15SN - MU-18SN - OUTDOOR UNIT OPERATING PROCEDURE PHOTOS 1. Removing the cabinet Photo 1 (1) Remove the screws of the cabinet. (2) Hold the down of the cabinet on the both sides to remove the cabinet.
Page 49 OPERATING PROCEDURE PHOTOS Hook 3. Removing the propeller fan and the outdoor fan Connector Photo 4 motor (1) Remove the cabinet. (Refer to 1) (2) Disconnect the connector remove the hooked lead wire from the fan motor. (3) Remove the propeller fan nut and remove the propeller fan. (4) Remove screws fixing the fan motor.
Page 50: Parts List
PARTS LIST MS-09SN - (WH) MS-09SN - (WH) MS-10SN - (WH) MS-10SN - (WH) 12-2. ACCESSORY AND 12-1. INDOOR UNIT STRUCTURAL PARTS REMOTE CONTROLLER 2(W) Optional parts (See page 58.) 8(W) W These figures show MS-09SN. 12-1. INDOOR UNIT STRUCTURAL PARTS Q'ty/unit Symbol MS-09...
Page 51 MS-09SN - (WH) MS-09SN - (WH) MS-10SN - (WH) MS-10SN - (WH) 12-3. INDOOR UNIT ELECTRICAL PARTS 12-4. INDOOR UNIT HEAT EXCHANGER AND FUNCTIONAL PARTS 19(W) SLEEVE BEARING ROOM TEMPERATURE THERMISTOR FUSE W This figure shows MS-10SN. VARISTOR 12-3. INDOOR UNIT ELECTRICAL PARTS AND FUNCTIONAL PARTS Part number that is circled is not shown in the illustration.
Page 52 MU-09SN - MU-09SN - MU-10SN - MU-10SN - 12-5. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTS Part number that is circled is not shown in the illustration. Q'ty/unit Symbol in Wiring Remarks Part name MU-09 MU-09 MU-10 MU-10 Part No.
Page 53 MS-12SN - (WH) MS-17SN - (WH) MS-12SN - (WH) MS-18SN - (WH) MS-15SN - (WH) MS-24SN - (WH) MS-15SN - (WH) 12-7. ACCESSORY AND 12-6. INDOOR UNIT STRUCTURAL PARTS REMOTE CONTROLLER Optional parts (See page 58.) 12-6. INDOOR UNIT STRUCTURAL PARTS Part number that is circled is not shown in the illustration.
Page 54 MS-12SN - (WH) MS-17SN - (WH) MS-12SN - (WH) MS-18SN - (WH) MS-15SN - (WH) MS-24SN - (WH) MS-15SN - (WH) 12-9. INDOOR UNIT HEAT EXCHANGER 12-8. INDOOR UNIT ELECTRICAL PARTS AND FUNCTIONAL PARTS SLEEVE BEARING INDOOR COIL ROOM TEMPERATURE THERMISTOR THERMISTOR 12-8.
Page 55 MU-12SN - MU-12SN - 12-10. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTS Part number that is circled is not shown in the illustration. Q'ty/unit Symbol in Wiring Remarks Part name Part No. MU-12SN- MU-12SN- Diagram E02 336 297 TOP PANEL E02 442 515 MOTOR SUPPORT...
Page 56 MU-15SN - MU-15SN - MU-17SN - MU-18SN - MU-24SN - 12-11. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTS...
Page 57 12-11. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTS Part numbers that are circled are not shown in the illustration. Q'ty / unit Symbol Part No. Part Name in Wiring Remarks MU-15 MU-15 MU-17 MU-18 MU-24 Diagram E02 140 233 BACK PANEL MOTOR SUPPORT E02 138 515...
Page 58: Optional Parts
OPTIONAL PARTS 13-1. REFRIGERANT PIPES The air conditioner has flared connections its indoor and outdoor sides. Please use the optional extension pipe as follows. Pipe size O.D mm (in.) Additional refrigerant Model Part No. Pipe length Insulation Cross-section A - Gas B - Liquid charge R-22(g)
Page 60 HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO100-8310, JAPAN C C Copyright 2000 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD Distributed in Feb. 2002. No.OB256 REVISED EDITION-B 122 Reprinted in May 2001. No.OB256 REVISED EDITION-A 50 Distributed in May 2001. No.OB256 REVISED EDITION-A 123 New publication, effective Feb.

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Mitsubishi Electric MS-09SN-C1 Service Manual

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