Download - C1 MU-GD18ND- - MyLinkDrive · 3 Outdoor model MU-GD15ND-C1 MU-GD18ND-C1 MU-GD24ND-C1Funtion Cooling Power supply Single phase 220-230V, 60Hz Capacity Capacity kW 4.1-4.1 5.0-5.0

SERVICE MANUAL

Wireless typeModels

No. TBH017

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OUTDOOR UNIT

Indoor unit service manualMS-GD•ND Series (TBH015)

MU-GD15ND- C1

MU-GD18ND- C1

MU-GD24ND- C1

MU-GD15ND- C1

MU-GD18ND- C1

TECHNICAL CHANGES.....................................PART NAMES AND FUNCTIONS......................SPECIFICATION................................................OUTLINES AND DIMENSIONS.........................WIRING DIAGRAM............................................REFRIGERANT SYSTEM DIAGRAM................PERFORMANCE CURVES...............................TROUBLESHOOTING.......................................DISASSEMBLY INSTRUCTIONS.....................

2334579

1216

1.2.3.4.5.6.7.8.9.

CONTENTS

PARTS CATALOG (TBB017)

NOTE:• RoHS compliant products have <G> mark on the spec name plate.

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TECHNICAL CHANGES 1

MU-A15ND- C1 ➔ MU-GD15ND- C1

MU-A18ND- S1 ➔ MU-GD18ND- C1

1. Outdoor unit model has been changed. • Dimension has been changed. (850Wx605Hx290D 800Wx550Hx285D)

2. Compressor has been changed. (RH207NRAT RH189NRAT) 3. Outdoor fan motor has been changed. (RA6V60-MA RA6V33-MC) 4. Compressor capacitor has been changed. 5. Fan motor capacitor has been changed. 6. Condenser has been changed.

1. Outdoor unit model has been changed. • Dimension has been changed. (850Wx605Hx290D 800Wx550Hx285D)

2. Outdoor fan motor has been changed. (RA6V60-MA RA6V33-MC) 3. Compressor capacitor has been changed. 4. Condenser has been changed.

MU-A24ND- S1 ➔ MU-GD24ND- C1

1. Compressor has been changed. (PH33NPBT PH36NPBT) 2. Outdoor fan motor has been changed. (RA6N75-BA RA6V85-CA) 3. Fan motor capacitor has been changed. 4. Condenser has been changed.

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Outdoor model MU-GD15ND- C1 MU-GD18ND- C1 MU-GD24ND- C1

Funtion Cooling

Power supply Single phase 220-230V, 60Hz

Capa

city Capacity kW 4.1-4.1 5.0-5.0 6.6-6.6

Dehumidification R/h 0.43 1.2 2.4 Air flow K/h 2,106-2,124 2,772-2,892

Elec

trica

l dat

a

Power outlet A 15 15 20 Running current (total) A 6.0-6.0 8.3-8.3 11.1-11.1 Power input (total) W 1,280-1,280 1,765-1,770 2,375-2,375 Power factor (total) % 97-93 97-93 97-93 Starting current A 40.0 45.0 67.0 Compressor motor current A 5.26-5.25 7.56-7.55 10.17-10.15 Fan motor current A 0.37-0.38 0.37-0.38 0.56-0.58

Coefficient of performance (C.O.P) 3.20-3.20 2.83-2.82 2.78-2.78

Com

pres

sor Model RH189NRAT RH247NRAT PH36NPBT

Output W 900 1,200 1,600

Winding resistance (at 20°C) " C-R 1.50

C-S 2.33 C-R 1.43 C-S 2.06

C-R 0.76 C-S 1.88

Fan

m

otor

Model RA6V33-MC RA6V85-CA Winding resistance (at 20°C) " WHT-BLK 141

BLK-RED 175 WHT-BLK 86 BLK-RED 92

Dimensions WxHxD mm 800 x 550 x 285 840 x 850 x 330 Weight kg 35 34 61

Spec

ial

rem

arks

Sound level dB 52-52 54-54 54-54 Fan speed rpm 980-990 750-780 Fan speed regulator 1 Refrigerant filling capacity (R22) kg 1.25 1.40 1.65

Refrigeration oil (Model) cc 520 (NM56) 900 (NM56)

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MU-GD15ND MU-GD18ND

MU-GD24ND

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SPECIFICATION 3

OUTDOOR UNIT

PART NAMES AND FUNCTIONS

NOTE: Test conditions are based on CNS 14464 Cooling : Indoor Dry-bulb temperature 27°C Wet-bulb temperature 19°C Outdoor Dry-bulb temperature 35°C Wet-bulb temperature 24°C Refrigerant piping length(one way) 7.5 m

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MU-GD15ND MU-GD18ND

MU-GD24NDOUTDOOR UNIT

OUTDOOR UNIT

OUTLINES AND DIMENSIONS

( MU-GD15ND- C1 )( MU-GD18ND- C1 )

Unit : mm

Unit : mm

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WIRING DIAGRAM

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6 REFRIGERANT SYSTEM DIAGRAM

MU-GD15ND MU-GD18NDOUTDOOR UNIT


( MU-GD15ND- C1 ) ( MU-GD18ND- C1 )

MU-GD15ND- C1 ({3.0x{1.8x700)MU-GD18ND- C1 ({3.0x{1.8x450)

({3.0x{2.0x300)

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MU-GD15ND- C1

MU-GD18ND- C1

MU-GD24ND- C1

MU-GD15ND- C1

MU-GD18ND- C1

MU-GD24ND- C1

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7 PERFORMANCE CURVES

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MU-GD15ND MU-GD18ND MU-GD24NDMS

-GD1

5ND-

C1

MU-G

D15N

D-C

1MS

-GD1

8ND-

C1

MU-G

D18N

D-C

1MS

-GD2

4ND-

C1

MU-G

D24N

D-C

1

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MU-GD15ND

MU-GD18ND

MU-GD15ND

MU-GD18ND

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TROUBLESHOOTING 8

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MU-GD15ND MU-GD18ND MU-GD24ND

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8-2. Instruction of troubleshooting

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MU-GD15ND MU-GD18ND MU-GD24ND

8-3. Trouble criterion of main parts

MU-GD15/GD18ND- C1126i2°C OPEN

Color of lead wire

Normal MU-GD15ND- C1 MU-GD18ND- C1 MU-GD24ND- C1

C – R 1.32 " ~ 1.62 " 1.26 " ~ 1.55 " 0.67 " ~ 0.82 " C – S 2.05 " ~ 2.52 " 1.81 " ~ 2.23 " 1.65 " ~ 2.03 "

Color of lead wire

Normal MU-GD15/GD18ND- C1

WHT-BLK 124 " ~ 153 " BLK-RED 154 " ~ 189 "

Color of lead wire

Normal MU-GD24ND- C1

WHT-BLK 75 " ~ 93 " BLK-RED 81 " ~ 100 "

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Compressor and / or outdoor fan motor doesn’t stop.

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8-4. Troubleshooting flow

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DISASSEMBLY INSTRUCTIONS 9

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OPERATING PROCEDURE PHOTOS

1. Removing the cabinet(1) Remove the screws fixing the top panel. (See Photo 2 and

3.)(2) Remove the top panel. (See Photo 3.)(3) Remove the screw fixing the service panel. (See Photo 3.)(4) Pull down the service panel and remove it. (See Photo 3.)(5) Remove the screws fixing the cabinet.(6) Remove the cabinet.(7) Disconnect the indoor/outdoor connecting wire.(8) Remove the screws fixing the back panel.(9) Remove the back panel.

Photo 1

Screws of the cabinet

Screws of the front panel and motor support

Photo 3 Screws of thetop panel

Servicepanel

Screw of thecabinet

Directionto remove

Hooks

Screw of theservice panel

Screws ofthe cabinet

Photo 2

Screws of thetop panel

MU-GD15NDMU-GD18ND

9-1.

OUTDOOR UNIT

17

PHOTOS

Photo 6

Photo 5

OPERATING PROCEDURE

3. Removing propeller and the outdoor fan motor(1) Remove the cabinet. (Refer to 1.)(2) Remove the propeller nut and remove 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 in position by using the cut on theshaft and the mark on the propeller.

(3) Disconnect the connector and remove the lead clamps andoutdoor fan motor lead wires.

(4) Remove the screws fixing the outdoor fan motor.(5) Remove the outdoor fan motor.

4. Removing the compressor(1) Remove the cabinet. (Refer to 1.)(2) Remove the relay panel.(3) Remove the soundproof felt.(4) Remove the terminal cover.(5) Pull out the lead wires from the glass terminal of the com-

pressor.(6) Recover gas from the refrigerant circuit.NOTE : Recover gas from the pipes until the pressure gauge

shows 0 kg/cm2 (0MPa).(7) Disconnect the welded part of the suction pipe and dis-

charge pipe.(8) Remove the nuts fixing the compressor and the compres-

sor.

Glassterminal

Dischargepipe

Suctionpipe

Compressor nuts(3 places)

Compressor

Propeller

Propellernut

Outdoorfan motor

Set screws of theoutdoor fan motor Hook

Relay panel

Outdoor fan motor lead wires

Set screws of theoutdoor fan motor

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MU-GD24ND9-2. OUTDOOR UNIT

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HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN

New publication, effective Apr. 2008Specifications subject to change without notice.

MITSUBISHI ELECTRIC CONSUMER PRODUCTS (THAILAND) CO., LTD.AMATA NAKORN INDUSTRIAL ESTATE700/406 MOO 7, TAMBON DON HUA ROH,AMPHUR MUANG, CHONBURI 20000 THAILANDMade in Thailand

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Download - C1 MU-GD18ND- - MyLinkDrive · 3 Outdoor model MU-GD15ND-C1 MU-GD18ND-C1 MU-GD24ND-C1Funtion Cooling Power supply Single phase 220-230V, 60Hz Capacity Capacity kW 4.1-4.1 5.0-5.0

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