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TECHNICAL & SERVICE MANUAL

DUCTLESS SPLIT-TYPE AIR CONDITIONERS

CONTENTS

1. FEATURES ·························································2

2. TECHNICAL CHANGES ····································3

3. PART NAMES AND FUNCTIONS······················3

4. SPECIFICATIONS ··············································4

5. DATA···································································5

6. OUTLINES AND DIMENSIONS ·························9

7. WIRING DIAGRAM ··········································10

8. REFRIGERANT SYSTEM DIAGRAM ··············11

9. TROUBLESHOOTING······································12

10. DISASSEMBLY INSTRUCTIONS·····················14

11. PARTS LIST······················································17

12. OPTIONAL PARTS···········································18

Wireless type

Models

MS09NW

2 •MUM18NW

No.OB202

The Slim Line.
From Mitsubishi Electric.

LIST ED

NOTE : For parts list, please refer to the following manuals.

MS09NW

➝

OB192

MUM18NW

LCD Wireless
remote controller

MS09NW

OB202-1.qxp 26/9/97 11:07 AM Page 1

Содержание MS09NW*2

Страница 1: ...7 WIRING DIAGRAM 10 8 REFRIGERANT SYSTEM DIAGRAM 11 9 TROUBLESHOOTING 12 10 DISASSEMBLY INSTRUCTIONS 14 11 PARTS LIST 17 12 OPTIONAL PARTS 18 Wireless type Models MS09NW 2 MUM18NW No OB202 The Slim Line From Mitsubishi Electric LIST ED R NOTE For parts list please refer to the following manuals MS09NW OB192 MUM18NW LCD Wireless remote controller LCD Wireless remote controller MS09NW MS09NW ...

Страница 2: ...ength providing plenty of freedom in determining the best loca tions for installation Cooling Capacity BTU h MUM18NW LCD Wireless remote controller LCD Wireless remote controller MS09NW MS09NW 1 Indoor Unit Operation 2 Indoor Unit Operatin 8 400 8 400 MS09NW 8 400 8 400 MS09NW Operation Indoor unit 3 AUTO RESTART FUNCTION The auto restart function restarts the equipment when power is restored foll...

Страница 3: ...hanged 2 Outdoor unit has been changed 3 Remove controller has been changed The timer function was changed to the clock timer function 4 Indoor auto vave has been adopted 5 Outdoor fan motor has been changed SGW 60F AC RA6W60 AA 6 The varistor and the fuse have been added to electric circuit of the outdoor unit ...

Страница 4: ...Hz Phase A F L A Winding resistance at 68 F Model W D H W D H Dry Wet Liquid Gas Indoors Outdoors Height difference Piping length R L A L R A in in in in in ft ft lbs Max fuse size time delay Min ampacity Fan motor Airflow Lo Me Hi Moisture removal Cond drain connection OD Dimensions Weight OUTDOOR UNIT MODEL External fnish Power supply Max fuse sizu time delay Min ampacity Fan motor Compressor Re...

Страница 5: ...Consumption kW 2 SHC is based on 80 F of indoor intake air DB temperature MODEL Refrigerant piping length one way MS 09NW 1 0 25ft std 0 954 40ft 0 927 49ft 2 COOLING CAPACITY CORRECTIONS 5 5 DATA 1 PERFORMANCE DATE ONE INDOOR UNIT WITH ONE OUTDOOR UNIT MS09NW 2 MUM18NW 65 0 6 0 8 1 0 1 2 6 8 10 12 75 85 95 105 115 Outdoor intake air DB temperature F Total power consumption kW Total capacity o 10 ...

Страница 6: ... at HI A point on the corve shows the reference point MS09NW MUM18NW 68 40 50 60 70 80 90 100 PSIG 70 Outdoor ambient temperature 75 80 85 90 95 100 104 F Suction pressure 70 86 F 80 75 Indoor DB temperature 68 170 180 200 220 240 260 280 300 PSIG 70 Outdoor ambient temperature 75 80 85 90 95 100 104 F 70 75 80 86 F Condensing pressure Indoor DB temperature ...

Страница 7: ...urrent Outdoor unit model Power supply V Hz Input Comp current Fan current Condensing pressure Suction pressure Discharge temperature Condensing temperature Suction temperature Comp shell bottom temp Ref pipe length Refrigerant charge Intake air temperature Discharge air temperature Fan speed Airflow Hi Intake air temperature Fan speed Airflow Total Electrical circuit Refrigerant circuit Indoor si...

Страница 8: ...rant piping length one way MS09NW 2 MUM18NW 1 Ibs 14 oz 2 25ft 30ft 33ft 40ft 45ft 49ft 0 1 1 2 2 3 6 MAX REFRIGERANT PIPING LENGTH MAX HEIGHT DIFFERENCE MSM18NW Indoor unit A MS09NW Max Length 49ft Max Height difference 25ft Indoor unit B MS09NW Outdoor unit MUM18NW Max Length 49ft 7 PIPING PREPARATION 1 Table below shows the specifications of pipes commercially available 2 Ensure that the 2 refr...

Страница 9: ...2 1 4 13 1 2 11 7 16 1 3 16 1 3 16 2 3 8 5 1 4 33 1 2 1 4 1 3 16 12 7 8 5 1 8 10 1 8 8 5 13 16 2 2 19 11 16 Unit center 12 5 16 23 7 8 6 5 8 3 5 8 4 Drain holes 5 8 Air in Air in Air out 2 1 4 1 3 8 4 Installation anchor holes 3 8 13 16 8 3 4 8 3 4 1 1 8 7 8 1 1 4 REQUIRED SPACE Space for servicing 4 in or more 4 in or more 36 in or more 4 in or more 38 in or more 16 in or more 17 Unit inch ...

Страница 10: ... WHT BLK RED BLK GRY 1 5 4 3 YLW ORN RED YLW BLK WHT ORN R R S C C 1 1 2 2 C2 51C2 1 Slide the sleeve 2 Pull the wire while pushing the locking lever NOTE 1 Use copper conductors only For field wiring 2 Symbols below indicate Terminal block Connector 3 shows the terminals with a lock mechanism so they cannot be removed when you pull the lead wire Be sure to pull the wire by pushing the locking lev...

Страница 11: ...valve Service port Service port Accumulator Muffler Fusible plug Compressor OD0 12oID0 055o23 5 8 Capillary tube Strainer Indoor heat exchanger Indoor coil thermistor RT12 Room temperature thermistor RT11 Flared connection Flared connection Refrigerant pipe 1 4 Option with heat insulator Ball valve with service port Refrigerant pipe 3 8 Option with heat insulator Ball valve Service port Service po...

Страница 12: ... hold the edge of the board with care NOT to apply stress on the components 3 When connecting or disconnecting the connectors hold the housing of the connector DO NOT pull the lead wires Measure the resistance between the terminals with a tester Coil wiring temperature 10 C 40 C Measure the resistance between the terminals with a tester Coil wiring temperature 10 C 40 C Part name Compressor Outdoo...

Страница 13: ...ng Turn on outdoor power supply No No Check the indoor outdoor connection Check voltage to terminal block of outdoor unit Is there 115V AC to terminal block between Check voltage to terminal block of outdoor unit Is there DC12V to terminal block between 2 2 1 1 Yes Yes Start Check voltage to terminal block of indoor unit Is there DC12V to terminal block between 2 2 1 1 No Yes Check the indooor ele...

Страница 14: ...he set screws of the side panel to remove the side panel and cabinet 2 Removing the propeller 1 Remove the propeller nut 2 Loosen the propeller in the rotating direction 3 Pull the propeller forward Note To set the propeller fit the cut on the shaft to the mark on the propeller OPERATING PROCEDURE PHOTOS Photo 1 Photo 2 Photo 4 Photo 3 Screws Screws Screws Screw Propeller Nut ...

Страница 15: ...tdoor fan motor 1 Remove the cabinet Refer to 1 2 Remove the propeller Refer to 2 3 Disconnect the connector remove the clamp of out door fan motor lead wire 4 Remove the screws fixing the outdoor fan motor Set screws of the relay panel Clamp Connector Screws Clamp ...

Страница 16: ...t the lead wires from the compressor terminal to remove overcurrent relay 6 Remove set nuts of the compressor base 7 Remove the low pressure side welded part and high pressure side welded part using a burner Note Before using a welder release gas inside the unit and make sure that the gauge pressure shows 0 kg f During welding open the charge plug because pressure rises due to expansion by heat Se...

Страница 17: ...6 641 CONTACTOR G4F11123T M 2 52C1 52C2 MF C1 C2 X1 X2 TB1 51C1 51C2 C3 MC1 MC2 TB2 3 1 1 1 1 1 1 2 2 1 2 1 1 2 2 1 1 1 1 2 1 1 1 2 55 220V 8 220V 8 220V 0 12 0 055 43 5 16 CABINET SIDE PANEL SERVICE PANEL OUTDOOR NOZZLE OUTDOOR FAN MOTOR PROPELLER COMPRESSOR CAPACITOR OUTDOOR FAN RELAY OUTDOOR TERMINAL BLOCK OVERCURRENT RELAY OUTDOOR FAN CAPACITOR OUTDOOR HEAT EXCHANGER CHARGE PLUG FUSIBLE PLUG V...

Страница 18: ...AC 442PI MAC 443PI MS09NW 0 1 Pipe length Cross section Part No Model A Gas B Liquid Pipe size O D Insulation Additional refrigerant charge R 22 Oz 1 REFRIGERANT PIPES The air conditioner has flared connections its indoor and outdoor sides Please use the optional extension pipe as follows ...

Страница 19: ......

Страница 20: ...cation effective Sep 1997 Specifications subject to change without notice The Slim Line From Mitsubishi Electric LIST ED R CCopyright 1997 MITSUBISHI ELECTRIC ENGINEERING CO LTD Issued in Sep 1997 NO OB202 5011 ...

Страница 21: ...3400 Lawrenceville Suwanee Road Suwanee Georgia 30024 Toll Free 800 433 4822 Toll Free Fax 800 889 9904 www mrslim com Specifications are subject to change without notice ...

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