Mitsubishi Electric MCFH-13NV-E3 WH Manual de usuario

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 ····················16

10. SERVICE FUNCTIONS·····································25

11. TROUBLESHOOTING······································26

12. DISASSEMBLY INSTRUCTIONS·····················35

13. PARTS LIST······················································39

14. OPTIONAL PARTS···········································43

Wireless type

Model

MCFH-13NV- (WH) ·MUCFH-13NV- E3E3

(When installed on the ceiling)

(When installed on the floor)

MCFH-13NV - E3

No. OB240

Refer to the Service Manual OB227 REVISED EDITION-B when MCFH-13NV-is connected

with MXZ-32RV- as multi system units.

PART NAMES AND FUNCTIONS

INDOOR UNIT

MCFH-13NV - E3

(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 (white bellows type)(option)

Front panel

Receiving section

Operation indicator lamp

Horizontal vane

Vertical vanes

Emergency operation switch

(When installed on the ceiling)

TECHNICAL CHANGES

MCFH-13NV - →MCFH-13NV -

1. Indoor model name has changed.

2. MCFH-13NV- became possible to connect with MXZ-32RV- as multi system units.

MUCFH-13NV - →MUCFH-13NV -

1. Outdoor model has changed.

E3E2

E1E3

E3E2

RESET

CLOCK

Signal transmitting section

Operation display section

OPERATE/STOP

(ON/OFF)button

OPERATION SELECT button

FAN SPEED CONTROL button

ON-TIMER button

CLOCK SET button

HR. button

MIN. button

(TIMER SET button)

TEMPERATURE buttons

VANE CONTROL button

SWING button

OFF-TIMER button

RESET button

MCFH-13NV - E3

OUTDOOR UNIT

MUCFH-13NV - E3

Air inlet

Piping

Drain hose

Air outlet

Drain outlet

(back and side)

REMOTE CONTROLLER

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

k"

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:)

RT61(at 0:)

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:)

Single phase, 220-240V, 50Hz

Cooling

3.7

1.5

6.2-6.4

1,310-1,400

—

96-91

5.54-5.72

2.82-2.64

Heating

4.0

—

5.4-5.8

1,130-1,220

—

95-88

4.74-5.12

3.54-3.28

46-47

1,120-1,260

700-740

1.35

RH-231VHAT

1,100

C-R2.11 C-S3.97

RB4V25-AA or AB

WHT-BLK 182.2 BLK-YLW 68.9

YLW-BLU 47.5 BLU-BRN 31.5

BRN-RED 22.9

RA6V33-CA

WHT-BLK 176 BLK-RED 413

1100

650

180

780

540

255

520 <MS56>

33.18

780

35-38

0.66-0.68

MCFH-13NV- E3 WMCFH-13NV- E3 (INDOOR UNIT)

Single phase, 220-240V, 50Hz

—

780

0.3

—

100-92

—

0.30

—

RB4V25-AA or AB

WHT-BLK 182.2 BLK-YLW 68.9

YLW-BLU 47.5 BLU-BRN 31.5

BRN-RED 22.9

—

1100

650

180

—

46-47

—

1120-1260

—

Cooling Heating

SPECIFICATION

NOTE:Test conditions Cooling : Indoor DB27°C WB19°C Heating : Indoor DB20°C WB

Outdoor DB35°C WB24°C Outdoor DB 7°C WB 6°C

wRefer to the Service Manual OB227 REVISED EDITION-B when MCFH-13NV- is connected with

MXZ-32RV- as multi system units.

NOISE CRITERIA CURVES4

MCFH-13NV - E3 MUCFH-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 27: WB 19:\ 

Heating : DB 20: WB -

APPROXIMATE

THRESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

(220-240V)

NOTCH

46-47

SPL(dB(A)) LINE

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:

Heating : DB 7: WB 6:

APPROXIMATE

THRESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

NOTCH

SPL(dB(A)) LINE

(220-240V)

(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

OUTLINES AND DIMENSIONS

INDOOR UNIT

MCFH-13NV - E3

MUCFH-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

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

OUTDOOR UNIT

WIRING DIAGRAM6

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.

INDOOR UNIT

1Slide the sleeve.

2Pull the wire while

pushing the locking

lever.

SYMBOL

SR141~

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

RT11

GRN/YLW

CIRCUIT BREAKER

POWER SUPPLY

~/N 220-240V

50Hz GRN/YLW

BRN

BLU

WHT

BLU

TO OUTDOOR

UNIT

CONNECTING

AUTO RESTART

ASSY

P.C.BOARD

RECEIVER

DISP/

104 CN

151

CN201

113

101

TRANS

HIC1

MV6

P.C.BOARD

NR11

52C

F11

SW/THERMO

LDFH

LDFL

SR144

SR142

SR143 LDFM

BLK

BLU

YLW

SR141 LDFVL BRN

LDCOM

LDC11

LDC12

WHT

ELECTRONIC CONTROL P.C. BOARD

C11 RED

ORN

112

wRED

YLW

BLU

BLK

BRN

GRN/YLW

WHT

ORN

RED

RT12

220-240V~

12V DC

12VDC

REMOTE

CONTROLLER

FOR MULTI SYSTEM

TO OUTDOOR

UNIT

CONNECTING 3

220-240V~

12V DC

WHT

BLK

RED

RT61

CN730

F61 SR61

GRN/YLW

WHT

RED

BLK

BLU C1

52C

21S4

BLK

CN721

X62

C65

TAB20

CN661

BLU

CN711

DEICER P.C. BOARD

RED

DSAR

FROM

INDOOR UNIT

CONNECTING

IC881

TRANS

X62

NR61

WHT

OUTDOOR UNIT

MCFH-13NV - E3

MUCFH-13NV - E3 MODEL WIRING DIAGRAM

MODEL WIRING DIAGRAM

SYMBOL

X62

21S4

52C

SYMBOL

NR61

RT61

SR61

SYMBOL

C65

DSAR

F61

IC881

NAME NAME NAME

COMPRESSOR CAPACITOR

OUTDOOR FAN CAPACITOR

SURGE ABSORBER

FUSE(2A)

DC/DC CONVERTER

COMPRESSOR(INNER THERMOSTAT)

OUTDOOR FAN MOTOR(INNER THERMOSTAT)

VARISTOR

DEFROST THERMISTOR

SOLID STATE RELAY

TERMINAL BLOCK

REVERSING VALVE COIL RELAY

REVERSING VALVE COIL

CONTACTOR

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 DIAGRAM

Indoor

heat

exchanger

Outdoor

heat

exchanger

Distributor Flared connection

Room temperature

thermistor

RT11

Coil temperature

thermistor

RT12

Defrost

thermistor

RT61

Flared connection

Stop valve

(with service port)

Strainer Capillary tube

[3.0 o[1.8 o200

Capillary tube

[3.0 o [1.4 o500o2

Refrigerant flow in cooling

Compressor

Accumulator

Strainer

Muffler

Reversing valve

Refrigerant flow in heating

Refrigerant pipe [12.7

(Option)

(with heat insulator)

Refrigerant pipe

(Option) [6.35

(with heat insulator)

INDOOR UNIT OUTDOOR UNIT

MCFH-13NV - E3 MUCFH-13NV - E3

Length : m (ft)

15(49) Gas

[12.7(1/2) Liquid

[6.35(1/4)

Piping size O.D : mm(in.)

Model

MCFH-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.

Outdoor unit precharged

1,350

15m

400

50 10m

150

MCFH-13NV - E3

Calculation : Xg=50g/mx(A-7)m

Model Refrigerant piping length (one way)

14m

350

13m

300

11m

200 12m

250

100

MAX. REFRIGERANT PIPING LENGTH & MAX. HEIGHT DIFFERENCE

ADDITIONAL REFRIGERANT CHARGE (R-22 : g)

MAX. HEIGHT DIFFERENCE

PERFORMANCE CURVES

The standard data contained in these specifications apply only to the operation of the air conditioner under normal condition,

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

COOLING

(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/dry-bulb temperature difference on the left side of the chart on this page shows the difference between the

indoor intake air wet/dry-bulb temperature and the indoor outlet air wet/dry-bulb temperature for your reference at

service.

How to measure the indoor air wet-bulb/dry-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 wet-and-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 once(twice) to start the EMERGENCY COOL(HEAT) 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

Wet-and dry-bulb

thermometers

BACK VIEW

INDOOR UNIT OUTDOOR UNIT

9.3

8.6

7.8

7.1

6.3

5.6

MCFH-13NV- E3

20.1

18.6

17.0

15.5

13.9

12.4

10.8

9.3

MCFH-13NV- E3

HEATING

(1) Indoor intake air dry-bulb temperature : ˚CDB

(2) Indoor outlet air dry-bulb temperature : ˚CDB

(3) Outdoor intake air wet-bulb temperature : ˚CWB

(4) Total input : W

MCFH-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.

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)

18 32

50 60 70 (%)

Ambient temperature (:) / Ambient humidity (%)

Outdoor low pressure

50 60 70 (%)

Ambient temperature (:) / Ambient humidity (%)

Outdoor unit current (A)

Ambient temperature (:)

Outdoor unit current (A)

HEAT operation

Condition Indoor : Dry bulb temerature 20.0:

Wet bulb temerature 14.5:Outdoor : Dry bulb temerature 7,15,20:

Wet bulb temerature 6,12,14.5:

(MPa•G)

(kgf/F• G)

15 20 25 30 35(:)

0.3

0.4

0.5

0.6

0.7

0.8

15 20 25 30 35(:)

5 7 10 15 20 25(:)

220-240V 220-240V

240V

220V

18 32

MUCFH-13NV - E3

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