Mitsubishi Electric MSZ-A09RV-E1 Bedienungsanleitung

SERVICE MANUAL

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

Wireless type

Models

No. OB230

CONTENTS

1. TECHINICAL CHANGES ··································2

2. PART NAMES AND FUNCTIONS······················4

3. SPECIFICATION·················································6

4. NOISE CRITERIA CURVES·······························8

5. OUTLINES AND DIMENSIONS ·························9

6. WIRING DIAGRAM ··········································10

7. REFRIGERANT SYSTEM DIAGRAM··············12

8. PERFORMANCE CURVES······························13

9. MICROPROCESSOR CONTROL ····················23

10. SERVICE FUNCTIONS·····································38

11. TROUBLESHOOTING······································40

12. DISASSEMBLY INSTRUCTIONS·····················57

13. PARTS LIST······················································61

14. OPTIONAL PARTS···········································65

MSZ-A09RV - (WH)●MUZ-A09RV -

MSZ-A12RV - (WH)●MUZ-A12RV - E1E1

E1E1

1999

1 TECHNICAL CHANGES

INFORMATION FOR THE AIR CONDITIONER WITH R-410A REFRIGERANT

• This room air conditioner adopts R-410A of HFC refrigerant which never destroys the ozone layer.

Pay attention following points.

1As R-410A working pressure is 1.6 times higher than that of R-22 of previous refrigerant, dedicated tools and piping are

required.

2R-410A is more affected by water and contaminations than R-22. Keep R-410A away from water and contaminations during

storage and while installing.

3Use clean dedicated piping materiales for R-410A only which are strong enough against R-410A pressure. Never use any

current pipes designed for R-22.

4Composition change may occur in R-410A since it is a mixed refrigerant. When charging, charge liquid refrigerant to prevent

composition change.

Lubricant Refrigerant

New refrigerant

R-410A

HFC-32: HFC-125 (50%:50%)

Pseudo-azeotropic refrigerant

Not included

A1/A1

72.6

-51.4

1.557

Non combustible

1730

From liquid phase in cylinder

Possible

Incompatible oil

Non

Previous refrigerant

R-22

R-22 (100%)

Single refrigerant

Included

86.5

-40.8

0.94

44.4

Non combustible

0.055

1700

Gas phase

Possible

Compatible oil

Light yellow

Non

Refrigerant

Composition (Ratio)

Refrigerant handling

Chlorine

Safety group (ASHRAE)

Molecular weight

Boiling point (:)

Steam pressure [25:](Mpa)

Saturated steam density [25:](Kg/K)

Combustibility

ODP w1

GWP w2

Refrigerant charge method

Additional charge on leakage

Kind

Color

Smell

New Specification Current Specification

w1:Ozone Destruction Parameter : based on CFC-11

w2 :Global Warmth Parameter : based on CO2

The incompatible lubricant easily separates from refrigerant

and is in the upper layer inside the suction muffler.

Raising position of the oil back hole enables to back the

lubricant of the upper layer to the compressor.

Since refrigerant and lubricant are compatible each, lubricant

backs to the compressor through the lower position oil back

hole.

Compressor

Suction muffler

Oil back hole

Lubricant

Refrigerant

Compressor

Suction muffler

Oil back hole

Lubricant /Refrigerant

Compressor

NOTE : The 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)

-30 -20 -10 0 10 20 30 40 50 60

-0.5

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

(MPa.G)

R-410A

R-22

Conversion chart of refrigerant temperature and pressure

Saturated liquid pressure

(;)

NOTE : The 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)

1.Tools dedicated for the air conditioner with R-410A refrigerant

The following tools are required for R-410A refrigerant. Some R-22 tools can be substituted for R-410A tools.

The diameter of the service port on the outdoor unit operation valve has been changed to prevent improper refrigerant

charging. Cap size has also been changed from 7/16 UNF with 20 threads to 1/2 UNF with 20 threads.

2.Refrigerant piping

1Specifications

Use the refrigerant pipes that meet the following specifications.

• Use a copper pipe or a coppor-alloy seamless pipe with a thickness of 0.7 mm or less, as the pressure resistance is in

sufficient.

2Flaring work and flare nut

Flaring work for R-410A pipes differs from that for the existing refrigerant pipes.

for details of flaring work, refer to Installation manual “6-1 FLARING WORK”.

R-410A tools Can R-22 tools be used?

Gas leak detector

R-410A pressures beyonds the measurement range of R-22

gauges. Port diameters have been changed to prevent other kinds of

refrigerant from being charged into the units.

Hose material and cap size have been changed to improve the pressure

resistance.

Dedicated for HFC refrigerant.

1/4 and 3/8 wrenches can be used for both R-22 and R-410A units.

Description

Clamp bar hole has been enlarged to reinforce the spring strength in the tool.

Provided for flaring work (to be used with R-22 flare tool).

Provided to prevent the back flow of oil. This adapter enables you to use

vacuum pumps.

It is difficult to measure R-410Awith a charging cylinder because the

refrigerant bubbles due to high pressure and high-speed vaporization

Yes

Newly required

Gauge manifold

Charge hose

Torque wrench

Flare tool

Flare gauge

Vacuum pump

adapter

Electronic scale for

refrigerant charging

No : Not Substitutable for R-410A Yes : Substitutable for R-410A

Wall

thickness

Outside diameter

Pipe mm inch

For liquid

For gas 6.35

9.52 1/4

3/8 0.8 mm

0.8 mm Heat resisting foam plastic

Specific gravity 0.045 Thickness 8 mm

Insulation material

2PART NAMES AND FUNCTIONS

INDOOR UNIT

MSZ-A09RV-

MSZ-A12RV- E1

Emergency operation switch

Display section

Operation Indicator Receiving section

Grille

Air cleaning

filter(white bellows

type)

Deodorizing filter

(gray sponge type)

Air filter

Vertical vanes

Air inlet

to Breaker

Remote control

receiving section

Horizontal vane

Remote

controller

Operation section (When the grille is open)

Power supply cord

Front panel

Electronic scale for refrigerant charging

Outdoor unit

Gas cylinder

Valve

Refrigerant gas cylinder

for R-410A with siphon

Liquid

2Optional extension pipe for R-410A

3.Refrigerant oil

Apply the special refrigeration oil (accessories) to the flare and the union seat surfaces.

4.Air purge

Use the vacuum pump for air purging for the purpose of environmental protection.

5.Additional charge

For additional charging, charge the refrigerant from liquid phase of the gas cylinder. If the refrigerant is charged from the

gas phase, composition chang may occur in the refrigerant inside the cylinder and the outdoor unit. However, charging the

liquid refrigerant all at once may cause the compressor to be locked. Thus, charge the refrigerant slowly.

10m

12m

([6.35/[9.52)

MAC-A00PI

MAC-A01PI

MAC-A02PI

MAC-A03PI

MAC-A04PI

REMOTE CONTROLLER

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

(TIME SET button)

TEMPERATURE buttons

VANE CONTROL button

OFF-TIMER button

RESET button

ON/OFF TOO

WARM TOO

COOL

HR. MIN.

CLOCK

RESET

CLOCK

MODE

FAN VANE

START STOP

ECONO COOL button

ECONO COOL

I FEELCOOL DRY HEAT

600 1100

AM PM

SWING SWING button

MUZ-A09RV-

MUZ-A12RV- E1

OUTDOOR UNIT

Air inlet

Air outlet

Drain outlet

Piping

Drain hose

MSZ-A09RV-

MSZ-A12RV- E1

3SPECIFICATION

Indoor model

Function

Power supply

Capacity

Air flow(Hi)

Dehumidification

Power outlet

Running current

Power input

Auxiliary heater

Power factor

Starting current

Fan motor current

Model

Winding

resistance(at20:)

Dimensions WOHOD

Weight

Air direction

Sound level (Hi)

Fan speed (Hi)

Fan speed regulator

RT11(at25:)

Thermistor RT12(at25:)

RT13(at25:)

Outdoor model

Outdoor air flow

Compressor motor current

Fan motor current

Model

Output

Winding

resistance(at20:)

Model

Winding

resistance(at20:)

Dimensions WOHOD

Weight

Sound level

Fan speed

Fan speed regulator

Refrigerant filling

capacity(R-410A)

Refrigerating oil (Model)

RT61(at100:)

Thermistor RT62(at0:)

RT64(at50:)



K/h

R/h

A(kW)

"

rpm

k"

K/h

"



"

rpm

k"



MSZ-A09RV - E1

Single phase

220-240V,50Hz

—

4.55 - 4.17

0.17

RA4V19-BA

WHT-BLK 292.4

BLK-RED 324.6

850O278O191

MUZ-A09RV - E1

0.27-0.25

SNB-092FBA

700

U-V 0.93 U-W 0.93

V-W 0.93

RA6V28-CA

WHT-BLK 197

BLK-RED 315 YLW-BLK 13

710(+69)o540o255

1.10

450 (NEO22)

13.4

32.6

Cooling

2.6 (0.9-3.3)

516

1.2

3.67-3.37

800 (250-1180)

920

1440

6.9

3.25

670

Heating

3.6 (0.9-4.8)

540

—

4.55-4.17

990 (250-1650)

950

1530

7.4

3.64

700

MSZ-A12RV - E1

Single phase

220-240V,50Hz

—

7.25 - 6.65

0.19

RA4V19-BA

WHT-BLK 292.4

BLK-RED 324.6

850O278O191

MUZ-A12RV - E1

0.27-0.25

SNB-092FBA

900

U-V 0.93 U-W 0.93

V-W 0.93

RA6V28-CA

WHT-BLK 197

BLK-RED 315 YLW-BLK 13

710(+69)o540o255

1.10

450 (NEO22)

13.4

32.6

Cooling

3.4 (0.9-3.8)

588

1.6

5.60 - 5.13

1220 (250 - 1580)

1020

1440

7.4

2.79

670

Heating

`4.8 (0.9-6.1)

642

—

7.25 - 6.65

1580 (250 - 2050)

1100

1530

8.1

3.04

700

Electrical

data

Fan

motor

Special

remarks

Compressor

Electrical

data

Fan

motor

Special

remarks

Coefficient of performance(C.O.P)

Capacity

NOTE : Test conditions.

Cooling : Indoor DB27:WB19:

Outdoor DB35:WB24:

Heating : Indoor DB 20:WB -:

Ondoor DB 7:WB 6:

1.5+ 440V

MP24GA 12V 300"

ERZV10D471

S201DH1Y

JM1aN-ZTMP-DC12V

93.5:5A 250V

136:i3: 2A

250V 3.15A

500+ 450V

1.8+ 440V

RR-18

250V 2A

13A 1.0mH

EM43240

50m"5W

100"20W

PS21101-AL / PS21204-A

G4U-1-E

LB6 250V AC

PMA10001

G4A-1A-P-PS

INDOOR UNIT

OUTDOOR UNIT

Item Model

Model

Item

Indoor fan capacitor

Vane motor

Varistor (NR11)

Semiconductor relay

Terminal block

Relay (compressor) (52C)

Terminal block thermal Fuse

Indoor fan motor thermal fuse

Fuse (F11)

Smoothing capacitor (C61,C62)

Outdoor fan capacitor (C65)

Current transformer (CT61)

Fuse (F801, F901)

Reactor (L64)

Noise filter

Current detecting resistor (R61, 62, 64)

Current limiting resistor (R65)

Terminal block

Intelligent power module

Relay (X61)

Relay (X62)

Reversing valve coil

Power factor controll module

Rush current limiting relay

MSZ-A09RV

MSZ-A12RV

MUZ-A09RV

MUZ-A12RV

Specifications and rating conditions of main electric parts

10 63 125 250 500 1000 2000 4000 8000

APPROXIMATE

TERESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

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 : DB27: WB19:

Heating : DB20: WB -:

MSZ-A09RV- E1

HEATING

NOTCH

COOLING 36

SPL(dB(A)) LINE

10 63 125 250 500 1000 2000 4000 8000

APPROXIMATE

TERESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

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 :DB35: WB24:

Heating :DB 7:WB 6:

MUZ-A09RV- E1

HEATING

NOTCH

COOLING 45

SPL(dB(A)) LINE

10 63 125 250 500 1000 2000 4000 8000

APPROXIMATE

TERESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

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 : DB27: WB19:

Heating : DB20: WB -:

MSZ-A12RV- E1

HEATING

COOLING

NOTCH

SPL(dB(A)) LINE

10 63 125 250 500 1000 2000 4000 8000

APPROXIMATE

TERESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

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 :DB35: WB24:

Heating :DB 7:WB 6:

MUZ-A12RV- E1

HEATING

NOTCH

COOLING 46

SPL(dB(A)) LINE

4NOISE CRITERIA CURVES

116.581.5

818

278

850

16562956

or more

100

2.5

271 4.5

231.5

82 169

326 326

189

160

17.5

Air in

Air out Insulation [28

Drain hose [16

(Connected part O.D)

Installation plate

Wall hole [65

Indoor unit

Installation plate

Power supply cord

Lead to right 1.0m

Lead to left 0.3m

Wireless remote controller

Liquid line [6.35-0.5m

Gas line [9.52-0.43m

Insulation [37 O.D

[21 I.D

{

OUTLINES AND DIMENSIONS5

Liquid refrigerant pipe joint

Refrigerant pipe (flared) [6.35

Service panel

Gas refrigerant pipe joint

Refrigerant pipe (flared) [9.52

Service port

Bolt pitch for installation

Handle

Air out

Air in Drainage holes [28

4 holes 10o21

500

710

265

105 69 138

If both sides or back

side is vacant. only

to be free 50 cm in

front of a unit

Air in

265

REQUIRED SPACE

If a front side or both sides

is vacant. an upper side of

a unit has only to be vacant 10cm.

Drainage holes [28

127

32.4

367

Drainage holes [28

32.5 255

285

320

155

43-

35-

540

270

35cm or more

50cm or more

10cm or more

MSZ-A09RV-

MSZ-A12RV- E1

MUZ-A09RV-

MUZ-A12RV- E1

INDOOR UNIT

OUTDOOR UNIT

6 WIRING DIAGRAM

INDOOR UNIT

MSZ-A09RV- MSZ-A12RV- MODELS WIRING DIAGRAM

E1E1

POWER

SUPPLY

CORD

~/N 220-240V

50Hz

GRN/YLW

BLK

GRY

YLW

BRN

WHT

RED

SR141 3

121

C11

HIC1

TRANS

MV2

RT13

CN112

151

MV1

RT12

RT11

111

CN211

NR11

ELECTRONIC CONTROL P.C. BOARD

F11

220-240V~

BRN

BLU

BRN

WHT

BLU

F12RED

BLU

BLU 1

CN201 3

452C

CIRCUIT BREAKER

12V

TO OUTDOOR

UNIT

CONNECTING

GREEN SIGN

MONITOR

P.C.BOARD

11 CN

1J1

REMOTE

CONTROLLER

POWER MONITOR,

RECEIVER

P.C.BOARD

LD101T

SYMBOL

C11

F11

F12

HIC1

MV1

MV2

SYMBOL

NR11

RT11

RT12

RT13

SYMBOL

SR141

52C

NAME

INDOOR FAN CAPACITOR

FUSE (3.15A)

THERMAL FUSE (93:)

DC/DC CONVERTER

INDOOR FAN MOTOR

VANE MOTOR (HORIZONTAL)

VANE MOTOR (VERTICAL)

NAME

VARISTOR

ROOM TEMPERATURE

THERMISTOR

INDOOR COIL

THERMISTOR (MAIN)

INDOOR COIL

THERMISTOR (SUB)

NAME

SOLID STATE RELAY

TERMINAL BLOCK

CONTACTOR

GRN/YLW

NOTE:1. About the outdoor side 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

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