Mitsubishi Electric MS09NW Manual de funcionamiento

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 ····································BACK

Wireless type

Models

MS09NW✕2 MS15NN✕1 • MUM30NN

No.OB204

The Slim Line.

From Mitsubishi Electric.

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

MS09NW ➝ OB192

MS15NN ➝ OB192

OB204-1.qxp 25/9/97 6:34 PM Page 1

1 FEATURES

1.SPACE-SAVING LAYOUT

Two or three indoor units are served by a single outdoor unit whose installation requires only minimum space. This allows

equipment installed outside the house to be arranged in a neat, space-saving layout.

2.FLEXIBLE INSTALLATION OF INDOOR UNITS

Each indoor unit can be connected to piping up to 65 feet in length, providing plenty of freedom in determining the best loca-

tions for installation.

MUM30EN

LCD Wireless

remote controller

MS09NW MS15NN

MS09NW

3.AUTO-RESTART FUNCTION

The auto restart function restarts the equipment when power is

restored following an outage automatically. Operation resumes

in the mode in which the equipment was running immediately

before the outage.

HIGH PERFORMANCE ROTARY COMPRESSOR

The advanced design of Mitsubishi Electric’s powerful and ener-

gyefficient rotary compressor results in lower operating costs

and longer service life.

Cooling Capacity (BTU/h)

1 Indoor Unit Operation

2 Indoor Unit Operatin

3 Indoor Unit Operation

8,200

—

8,200

—

8,100

MS09NW

—

8,200

—

8,200

—

8,200

8,100

MS09NW

—

12,400

—

12,400

12,200

Operation Indoor unit MS15NN

This “3 to 1” Multi system (MSM30EN) consists of a single outdoor unit with three compressors that permit up to three

indoor units to be installed separate rooms, each with its own controller.

OB204-1.qxp 25/9/97 6:34 PM Page 2

2 TECHNICAL CHANGES

3 PART NAMES AND FUNCTIONS

OUTDOOR UNIT

MUM30NN

MSM30EW ➔ MSM30NW

1. Indoor unit has been changed.

2. Outdoor unit has been changed.

3. Remote controller has been changed.

(The timer function has been changed to the clock timer function.)

4. Indoor auto vave has been adopted.

5. Fan speed control has changed.

(MF1/MF2 : 1.Lo/Lo➔Stop/Hi 2.Me/Me➔Me/Me 3.Hi/Hi➔Hi/Hi)

6. The relay “X64” has been added to electric circuit.

7. Surge absorber has been added to electric circuit.

OB204-1.qxp 25/9/97 6:34 PM Page 3

4 SPECIFICATIONS

Model

Cooling capacity w1 BTU/h

w1 WPower consumption

EER (Triple unit operation)

SEER (Triple unit operation)

INDOOR UNIT MODEL

Extenal finish

Power Supply V, Hz, Phase

F.L.A

CFM

(Pints/h)

in.

lbs.

V, Hz, Phase

F.L.A

Winding resistance (at 68˚F) "

Model

Dry

Wet

Liquid

Gas

Indoors

Outdoors

Height difference

Piping length

R.L.A

L.R.A

in.

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

Refrigerant control

Dimensions

Weight

REMOTE CONTROLLER

Control voltage (be built-in transformer)

REFRIGERANT PIPING

Pipe size

Connection

method

Between the

indoor &

outdoor units

Items

MSM30NN

Triple-Unit

A+B+C

28,400

2,990

DoubIe-Unit

A+B A+C or B+C

16,400 20,600

1,860 9.9

10.0

2,060

C: MS15NN

White

A & B: MS09NW

White

115,60,1

15.0

0.5 0.6

0.37 0.43

208-265-328 360-395-452

177-226-279 314-342-392

1.0 1.5

5/8 5/8

32-1/16 39-15/16

7-3/16 7-1/2

12-5/8

18 31

MUM30NN

Munsell 5Y 7/1

208/230,60,1(3-wire)

0.8+0.7

KH122WEV<115V>

RH167NAB<208/230V>

C-R 0.97 C-S 4.81

C-R 2.47 C-S 4.62

10 8

37 29

Capillary tube

37-7-16

15-3/8

45-5/16

240

Wireless type

DC12V

Not supplied (optional parts)

1/4 1/4

3/8 5/8

Flared Flared

Max. 25 Max. 25

Max. 65 Max. 65

Notes w1. Rating conditions (cooling) — Inddor : 80˚FDB, 67˚FWB, Outdoor : 95˚FDB, 75˚FWB

Operating Range

Cooling Maximum

Maximum

Indoor air intake temperature

90˚FDB,71˚FWB

67˚FDB,57˚FWB

Outdoor air intake temperature

115˚FDB

67˚FDB

Single-Unit

A or B C

990

8,200 12,400

1,220

10-13/16

OB204-1.qxp 25/9/97 6:34 PM Page 4

5 DATA

Models

Indoor air Outdoor intake air DB temperature(˚F)

MS09NW

MS15NN

10.05

9.51

8.94

15.19

14.38

13.52

SHC

5.89

6.85

7.63

8.76

10.21

11.40

TPC

0.88

0.83

0.79

1.09

1.03

0.98

9.39

8.86

8.28

14.20

13.39

12.52

SHC

5.51

6.38

7.07

8.19

9.51

10.56

TPC

0.97

0.92

0.88

1.19

1.13

1.08

8.82

8.20

7.71

13.33

12.40

11.66

SHC

5.17

5.90

6.58

7.69

8.80

9.83

TPC

1.04

0.99

0.95

1.28

1.22

1.17

8.20

7.63

7.01

12.40

11.53

10.60

SHC

4.81

5.49

5.98

7.15

8.19

8.94

TPC

1.09

1.05

1.01

1.35

1.29

1.24

7.54

7.01

6.40

11.41

10.60

9.67

SHC

4.43

5.05

5.46

6.58

7.53

8.16

TPC

1.14

1.10

1.05

1.40

1.35

1.29

IWB

(˚F)75 85 95 105 115

Notes 1. IWB : Intake air wet-bulb temperature

TC : Total Capacity (x103 Btu/h), SHC : Sensible Heat Capacity (x103 Btu/h)

TPC : Total Power 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

MS09NW✕2 MS15NN✕1

MUM30NN

1.PERFORMANCE DATA(ONE INDOOR UNIT WITH ONE OUTDOOR UNIT)

1) COOLING CAPACITY

0.6

0.8

1.0

1.2

75 85 95 105 115

Outdoor intake air DB temperature (-F)

Total power consumption (kW) Total capacity (o 103Btu/h)

Cooling capacity

SHF at rating condition = 0.72

Airflow = 279CFM

Bypass Factor = 0.24

Indoor intake air WB temperature (-F)

NOTE :

Total capacity = multiply cooling capacity in specifications table on page 4 by capacity correction factor on this page.

Total power consumption = multiply power consumption in specifcations table on page 4 by power correction factor on this

page.

1.0

1.2

1.4

1.6

75 85 95 105 115

Outdoor intake air DB temperature (-F)

Total power consumption (kW) Total capacity (o 103Btu/h)

Cooling capacity

SHF at rating condition = 0.71

Airflow = 392CFM

Bypass Factor = 0.19

Indoor intake air WB temperature (-F)

2.PERFORMANCE CURVE(ONE INDOOR UNIT WITH ONE OUTDOOR UNIT)

NOTE : Apoint on the curve shows the reference point.

MS09NW

MUM30NN MS15NN

MUM30NN

OB204-1.qxp 25/9/97 6:34 PM Page 5

Data is based on the condition of indoor humidity 50%. Air flow should be set at HI. A point on the corve shows the reference

point.

MS09NW MS15NN

MUM30NN MUM30NN

MS09NW MS15NN

MUM30NN MUM30NN

100

(PSIG)

Outdoor ambient temperature

75 80 85 90 95 100 104-F

Suction pressure

86-F

Indoor DB temperature

170

180

200

220

240

260

280

300

(PSIG)

70 Outdoor ambient temperature

75 80 85 90 95 100 104-F

86-F

Condensing pressure

Indoor DB temperature

3.CONDENSING PRESSURE AND SUCTION PRESURE

(ONE INDOOR UNIT WITH ONE OUTDOOR UNIT)

170

180

200

220

240

260

280

300

(PSIG)

70 Outdoor ambient temperature

75 80 85 90 95 100 104-F

86-F

Condensing pressure

Indoor DB temperature

100

(PSIG)

Outdoor ambient temperature

75 80 85 90 95 100 104-F

Suction pressure

86-F

Indoor DB temperature

OB204-1.qxp 25/9/97 6:34 PM Page 6

2.STANDARD OPERATION DATA

MODEL Triple

A+B+CDouble

A+B A+C or B+CSingle

115,60,1 115,60,1 115,60,1

0.7+0.8 0.65+0.75 0.6+0.7

95 95 95

— — —

850/940 750/840 0/1030

2,720 2,360 1,039

A or B

28,400 16,400 20,600 8,200 12,400

0.72 0.72 0.71 0.72

2.99 1.86 2.06 0.99 1.22

2.873 1.79 1.978 0.955 1.173

MSM30NN

CoolingUnit

BTU/h

—

PSIG

˚F

—

˚F

R.P.M.

CFM

˚F

R.P.M.

CFM

Item

Capacity

SHFTotal

Electrical

circuit

Refrigerant

circuit

Indoor

side

Outdoor

side

Input

Indoor unit model

Power supply (V,Hz,{)

Input

Fan current

Outdoor unit model

Power supply (V,Hz,{)

Input

Comp. current

Fan current

Condensing pressure

Suction pressure

Discharge temp.

Condensing temp.

Suction temp.

Comp.shell botton temp.

Ref.pipe length

Refrigerant charge

Entering

air temp.

Discharge

air temp.

Entering

air temp.

Fan speed

Airflow (Hi)

Fan speed

Airflow

MS09NW MS09NW MS15NN MS09NW MS09NW MS09NW MS15NN MS09NW MS15NN

0.035

0.34 0.035

0.34 0.047

0.71

0.41 0.035

0.34 0.035

0.34

MUM30NN

208/230,60,1(3-wire)

0.035

0.34 0.047

0.41 0.035

0.34 0.047

0.41

7.0

273

154

122

130

3 lbs 3 oz

1,230

279

264

157

118

130

3 lbs 3 oz

1,230

279

243

169

111

145

3 lbs 8 oz

1,200

392

262

197

118

171

3 lbs 3 oz

1,230

279

263

171

116

146

3 lbs 3 oz

1,230

279

269

151

118

124

3 lbs 3 oz

1,230

279

240

169

110

144

3 lbs 8 oz

1,200

392

267

143

121

129

3 lbs 3 oz

1,230

279

267

141

118

139

3 lbs 8 oz

1,200

392

7.0 3.8 7.0 7.0 7.0 3.8 7.0 3.8

0.72 0.71

INDOOR UNIT C

INDOOR UNIT B

INDOOR UNIT A

OUTDOOR UNIT

208/230V,60Hz,

1{ 3wire

POWER SUPPLY

115V common

115V 230V

SIGNAL WIRE 2wire 12V DC

115V,60Hz,1{

OB204-1.qxp 25/9/97 6:34 PM Page 7

4.OPERATING RANGE

(1)POWER SUPPLY

(2)OPERATION

5.ADDITIONAL REFRIGERANT CHARGE (R-22(oz))

Indoor unit 115V 60Hz 1[

208/230V 60Hz 1[

(3wires) Min. 198V 208V 230V Max. 253V

Min. 103v—Max. 127V

Outdoor unit

MS09NW

MS15NN

MUM 30NN

Models Rating Guaranteed Voltage

Function

Cooling

Indoor Outdoor

78% –

DB (˚F)

Standard temperature

Maximum temperature

Minimum temperature

Maximum humidity

WB (˚F)

DB (˚F)

115

WB (˚F)

–

Intake air

temperature

Condition

Model Outdoor unit

precharged

(up to 25ft)

Refrigerant piping length (one way)

MUM MS09NW

MS15NN

3 Ibs 3 oz o2

3 Ibs 8 oz

25ft 30ft 33ft 40ft 45ft 49ft 65ft

0112235

6.MAX. REFRIGERANT PIPING LENGTH & MAX. HEIGHT DIFFERENCE

MSM30NN

Indoor unit A

MS09NW

wMax. Height

difference 25ft

Indoor unit B

MS09NW

Outdoor unit

MUM30NN

Indoor unit C

MS15NN

Max. Length

65ft

wMax. Height

difference 25ft

wMax. Height

difference 25ft

Max. Length

65ft

Max. Length

65ft

7.PIPING PREPARATION

Model Additional piping

Max. length : ft

Length of connecting pipe : in.

MS09NW

MS15NN 65

Gas Liquid Indoor unit

16-15/16

Piping size O.D. : in.

[3/8

[5/8 [1/4

Outdoor unit

OB204-1.qxp 25/9/97 6:34 PM Page 8

6 OUTLINES AND DIMENSIONS

MODEL : MUM30NN

OUTDOOR UNIT

Air intake

Min.4in.

Min.36in.

Min.33in.

Min.4in.

Min.12in.

Space for servicing

wining and piping

3-3/16

2-9/16

Air intake

Drainage

hole

2-{1

18-3/4 Installation anchor hole

1-13/16

4-{7/16

7/16

16-9/16

7/16

5-15/16

25-5/8

Air outlet

15-3/8

Earth terminal

Service panel

Electrical box

2-1/16

2-5/32

17-3/8

45-5/16

Air outlet handle for

moving

12-1/4

20-1/2

12-5/8

13-5/8

37-7/16

Drainage hole

Air intake

4 wiring holes

{7/8

Refrigerant pipe (Flared) {1/2

Refrigerant pipe (Flared) {1/4

Refrigerant pipe (Flared) {3/8

2-3/8

2-15/16

NOTE : The symbol {indicates the diameter.

Unit : inch

OB204-1.qxp 25/9/97 6:34 PM Page 9

7WIRING DIAGRAM

OUTDOOR

MODEL MUM30NN WIRING DIAGRAM

115V115V

RED

POWER

SUPPLY

208/230V

1phase

3wires

60Hz

GROUND

BLU

BLK

NBLK

RED

TB1 RED

BLU

NO52C2

COM WHT 251C2

51C1

WHT

COM

52C1

52C3

NO COM WHT 21

51C3

BLK

MC1 R

RED

WHT BLK

MC3

RED

WHT

BLK

WHT

BLK MC2 R

C2 RED

BLK

ORN

BRN

ORN

BRN

ORN

BRN

ORN

BRN

ORN

TO INDOOR UNIT(15C)

CONNECTING WIRES

DC12V

TO INDOOR UNIT(09B)

CONNECTING WIRES

DC12V

TB2

INDOOR

UNIT

(09A)

(09B)

INDOOR

UNIT

TB3

TO INDOOR UNIT(09A)

CONNECTING WIRES

DC12V 1

(15C)

INDOOR

UNIT

ORN

TB4

2BRN 52C3

52C2

52C1

WHT

BLK

YLW

ORN

RED

ORN

RED

BLU

YLW

BLK

WHT

C62

C61

(52C3) (52C2) (52C1)

CN623 CN622 CN621

LD605

LD606

LD615

LD616

2121 1 2

MF1

X63

X61

X62

LD621

LD620

RED

BLU

GRN

(AC)

TAB62 T

(2A)

(TRS)

CN64

TAB61

DSAR61

LD61

NR61

LD614

LD613

LD603

LD612

LD602

LD611

LD601

BLU

BLK

X63 X62 X61

RED

BLU

GRY

BLU

GRY

BLU

7 8

X64

GRY

BLU

WHT

BLK

YLW

ORN

RED

YLW

BLK

WHT

ORN

GRY

BRN

X64

MF2

ORN

RED

BLU

YLW

BLK

WHT X64

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. “w”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 lever (projected part) of the terminal with a finger.

SYMBOL NAME SYMBOL NAME SYMBOL NAME

C1~C3

COMPRESSOR CAPACITOR

MC1~MC3

COMPRESSOR(INNER THERMOSTAT)

TB1~TB4 TERMINAL BLOCK

C61,C62 FAN MOTOR CAPACITOR MF1,2

FAN MOTOR(INNER THERMOSTAT)

X61~X63 FAN MOTOR RELAY

DSAR61 SURGE ABSORBER NR61 VARISTOR 51C1,2

OVERCURRENT RELAY

F FUSE (2A) T TRANSFORMER 52C1,2

COMPRESSOR CONTACTOR

OB204-1.qxp 25/9/97 6:34 PM Page 10

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