Mitsubishi Electric MCF-13NV-E3 Manuel utilisateur

SERVICE MANUAL

FLOOR AND CEILING TYPE AIR CONDITIONERS

CONTENTS

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

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

3. SPECIFICATION·················································4

4. NOISE CRITERIA CURVES······························ 5

5. OUTLINES AND DIMENSIONS ·························6

6. WIRING DIAGRAM ············································7

7. REFRIGERANT SYSTEM DIAGRAM················8

8. PERFORMANCE CURVES································9

9. MICROPROCESSOR CONTROL ····················15

10. SERVICE FUNCTIONS·····································21

11. TROUBLESHOOTING······································22

12. DISASSEMBLY INSTRUCTIONS·····················28

13. PARTS LIST······················································32

14. OPTIONAL PARTS···········································35

Wireless type

Model

MCF-13NV- (WH) ·MUCF-13NV- E3E3

(When installed on the ceiling)

(When installed on the floor)

No. OB239

MCF-13NV - E3

PART NAMES AND FUNCTIONS

INDOOR UNIT

(When installed on the floor)

(When the air inlet grille is opened.)

Deodorizing filter (gray sponge type)(option)

Air filter

Remote controller

Air inlet

Operation section

Air cleaning filter (whilte bellows type)(option)

Front panel

Receiving section

Operation indicator lamp

Horizontal vane

Vertical vanes

Emergency operation switch

(When installed on the ceiling)

TECHNICAL CHANGES

MCF-13NV - ➔MCF-13NV -

1. Indoor unit model name has changed.

MUCF-13NV - ➔MUCF-13NV -

1. Outdoor unit model has changed.

E3E2

MCF-13NV - E3

RESETRESET

CLOCKCLOCK

MCF-13NV - E3

OUTDOOR UNIT

MUCF-13NV - E3

Air inlet

Piping

Drain hose

Air outlet

Drain outlet

(back and side)

REMOTE CONTROLLER

SPECIFICATION

Model

Function

Power supply

Capacity

Dehumidification

Air flow

Power outlet

Running current

Power input

Auxiliary heater

Power factor

Starting current

Compressor motor current

Fan motor current

R/h

K/h

A(kW)

rpm

Capacity

Electrical

data

Coefficient of performance(C.O.P)

Compressor

Indoor

fan motor

Outdoor

fan motor

Dimensions

Indoor unit

Width

Height

Depth

Width

Height

Depth

Indoor unit

Outdoor unit

Indoor unit

Outdoor unit

Indoor unit

Outdoor unit

RT11(at 25:)

RT12(at 25:)

Sound level

(Hi)

Fan speed

(Hi)

Fan speed

regulator

Outdoor unit

Air direction

Refrigerant filling capacity(R-22)

Refrigerating machine oil <Model>

Thermistor

Weight

Special

remarks

Model

Output

Winding resistance (at 20:)

Model

Winding resistance (at 20:)

Model

Winding resistance (at 20:)

MCF-13NV- E3

Cooling

Single phase, 220-240V, 50Hz

3.7

1.6

678

6.3-6.3

1,310-1,380

—

95-91

35-38

5.74-5.72

0.56-0.58

2.82-2.68

RH-231VHAT

1,100

C-R2.11 C-S3.97

RA6V33-CB

WHT-BLK 176

BLK-RED 413

43-44

1,080-1,130

700-750

0.85

520 <MS-56>

1,100

650

180

780

540

255

RB4V19-AB

WHT-BLK 203.2 BLK-YLW 45.9

YLW-BLU 32.7 BLU-BRN 44.4

BRN-RED 23.3

NOTE:Test conditions

Cooling : Indoor DB27°C WB19°C Outdoor DB35°C WB24°C

NOISE CRITERIA CURVES

10 63 125 250 500 1000 2000 4000 8000

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR

BAND CENTER FREQUENCIES, Hz

Test conditions,

Cooling : DB 27: WB 19:

APPROXIMATE

THRESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

(220-240V)

NOTCH

43-44

SPL(dB(A)) LINE

MCF-13NV - E3 MUCF-13NV - E3

10 63 125 250 500 1000 2000 4000 8000

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR

BAND CENTER FREQUENCIES, Hz

Test conditions,

Cooling : DB 35: WB 24:

APPROXIMATE

THRESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

NOTCH

SPL(dB(A)) LINE

OUTLINES AND DIMENSIONS

(When installed on the floor)

(When installed on the ceiling)

50cm or more

100cm or more

650

616.5

80.8 906 112.8

114

1100

113

143

180

17042.5

160

56 17.5 12.7

Gas line

6.35

Liquid line

INDOOR UNIT

MCF-13NV - E3

MUCF-13NV - E3

320

43-

35-

155

104

260

780

500

122

540

320

285

255

Service panel

Gas refrigerant

pipe joint

Refrigerant pipe

(flared)[12.7

Liquid refrigerant

pipe joint

Refrigerant pipe

(flared) [6.35

Airout

Air in

109 32

110

147

Drainage

3holes [33

Unit: mm

OUTDOOR UNIT

If clearance

behind the outdoor

units only 40B or 50B

side Amust be

fully open.

10cm or more

Outdoor

unit

35cm or more

REQUIRED SPACE

40cm or more

WIRING DIAGRAM6

INDOOR UNIT

AUTO RESTART

ASSEMBLY

104

SR144

SR142

SR143

LDFM

LDFL

LDFH

BLK

BLU

YLW

BLK

BLU

YLW

CIRCUIT BREAKER

SW/THERMO

2W3

F11

52C

NR11

P.C.BOARD

RT11

CN201

151

HIC1

TRANS

101

CN 113

BLU

REMOTE

CONTROLLER

DISPLAY &

RECEIVER

P.C.BOARD

GRN/YLW

WHT

BLU

WBRN

GRN/YLW

TO OUTDOOR

UNIT

CONNECTING

POWER SUPPLY

~/N 220-240V

50Hz MF

ORN

RED

RT12

WHT

RED

ORN

WHT

GRN/YLW

BRN

112

C11

ELECTRONIC CONTROL P.C BOARD

LDC12

LDC11

LDCOM

220-240v~

SYMBOL

SR142~

SR144

52C

SYMBOL

NR11

RT11

RT12

SYMBOL

C11

F11

HIC1

NAME NAME NAME

INDOOR FAN CAPACITOR

FUSE (3.15A)

DC/DC CONVERTER

INDOOR FAN MOTOR(INNER FUSE)

VANE MOTOR

VARISTOR

ROOM TEMPERATURE THERMISTOR

COIL TEMPERATURE THERMISTOR

SOLID STATE RELAY

TERMINAL BLOCK

CONTACTOR

MODEL WIRING DIAGRAM

MCF-13NV - E3

1Slide the sleeve.

2Pull the wire while pushing the locking lever.

NOTE : 1. Use copper conductors only (For field wiring).

2. “W” shows the terminals with a lock mechanism,

so they cannot be removed when you pull the lead wire.

Be sure to pull the lead wire by pushing the locking lever

(projected part) of the terminal with a finger.

OUTDOOR UNIT MODEL WIRING DIAGRAM

SYMBOL

NAME NAME NAME

COMPRESSOR CAPACITOR

OUTDOOR FAN CAPACITOR FUSE(2A)

COMPRESSOR(INNER THERMOSTAT)

OUTDOOR FAN MOTOR(INNER THERMOSTAT)

TERMINAL BLOCK

BLK

WHT

RED

220-240V~

BLU

WHT

BLK

RED

WHT 1

GRN/YLW

FROM

INDOOR UNIT

CONNECTING

WHT WHT

MUCF-13NV - E3

NOTE:1. For the outdoor electric wiring refer to the outdoor unit electric wiring diagram for servicing.

2. Use copper conductors only.(For field wiring)

3. Symbols below indicate.

: Terminal block, : Connector

REFRIGERANT SYSTEM DIAGRAM7

Refrigerant flow in cooling

Indoor

heat

exchanger

Indoor coil

thermistor

RT12

Room

temperature

thermistor

RT11

(option)

(With heat insulation)

Refrigerant pipe

[

12.7

(option)

(With heat insulation)

Refrigerant pipe

[

6.35

Flared

connection

Stop valve

(with service port)

Stop valve

Compressor

Strainer

Capillary tube

[3.0 ✕[1.6 ✕ 300

Outdoor

heat

exchanger

Distributor

INDOOR UNIT OUTDOOR UNIT

Unit:mm

MCF-13NV - E3 MUCF-13NV - E3

A: Refrigerant piping

Max.length

15m(49ft)

✽

Max. Height difference

5m(16ft)

✽Height difference should be within

5m regardless of which unit,

indoor or outdoor position is high.

MAX. REFRIGERANT PIPING LENGTH & MAX. HEIGHT DIFFERENCE

ADDITIONAL REFRIGERANT CHARGE (R-22 : g)

Length : m (ft)

15(49) Gas

[12.7(1/2) Liquid

[6.35(1/4)

Piping size O.D : mm(in.)

Model

MCF-13NV - E3

Outdoor unit precharged

850

15m

120

15 10m

MCF-13NV - E3

Calculation : Xg=15g/mx(A-7)m

Model Refrigerant piping length (one way)

14m

105

13m

11m

60 12m

MAX. HEIGHT DIFFERENCE

PERFORMANCE CURVES

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.

(1) GUARANTEED VOLTAGE

Rated voltage : ±10% (198~264V), 50Hz

(2) AIR FLOW

Air flow should be set at MAX.

(3) MAIN READINGS

(1) Indoor intake air wet-bulb temperature : ˚CWB

(2) Indoor outlet air wet-bulb temperature : ˚CWB

(3) Outdoor intake air dry-bulb temperature : ˚CDB

(4) Total input : W

Indoor air wet-bulb temperature difference on the left side of the chart on this page shows the difference between the

indoor intake air wet-bulb temperature and the indoor outlet air wet-bulb temperature for your reference at service.

How to measure the indoor air wet-bulb temperature difference

1. Attach at least 2 sets of wet-and dry-bulb thermometers to the indoor air intake as shown in the figure, and at least 2 sets of

wet-and-dry-bulb thermometers to the indoor air outlet. The thermometers must be attached to the position where air speed

is high.

2. Attach at least 2 sets of dry-bulb thermometers to the outdoor air intake.

Cover the thermometers to prevent direct rays of the sun.

3. Check that the air filter is cleaned.

4. Open windows and doors of the room.

5. Press the EMERGENCY OPERATION switch to start the EMERGENCY COOL MODE.

6. When system stabilizes after more than 15 minutes, measure temperature and take an average temperature.

7. 10 minutes later, measure temperature again and check that the temperature does not change.

Air in

Air out Wet-and dry-bulb

thermometers

FRONT VIEW

Dry-bulb

thermometers

BACK VIEW

INDOOR UNIT OUTDOOR UNIT

10.4

9.5

8.7

7.8

7.0

6.2

MCF-13NV- E3

intake intake

MCF-13NV - E3

Dry Bulb temperature (˚C)

Relative humidity (%)

OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT

COOL operation

1Both indoor and outdoor units are under the same temperature/humidity condition

2Air flow should be set at MAX.

20 25 30

0.3

0.4

0.5

0.6

0.7

0.8

20 25 30

Ambient temperature (:)

Ambient humidity(%)

1850 60 7032 (:)

(%) Ambient temperature (:)

Ambient humidity(%)

18 50 60 70 32 (%)

Outdoor unit current (A)

Outdoor low pressure

(kgf/F•G)(MPa•G)

(:)

220-240V 220-240V

3The unit of pressure has been changed to MPa on the international system of units(SI unit system).

The conversion factor is : 1(MPa • G) =10.2(kgf/ff• G)

MUCF-13NV - E3

Ce manuel convient aux modèles suivants

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