Midea Blanc ON-OFF Series Bedienungsanleitung

Blanc ON-OFF Series

Service Manual 2016

DM16-01.01.07en

MSMA1A-07HRN1 / MOAB02-07HN1

MSMA1A-09HRN1 / MOAB02-09HN1

MSMA1B-12HRN1 / MOBA01-12HN1

MSMA1C-18HRN1 / MOBA03-18HN1

MSMA1D-24HRN1 / MOCA02-24HN1

Библиотека СОК 

Blanc On-off DM16-01.01.07en

2 Service manual

CONTENTS

1. Precaution.................................................................................................................................................... 3

1.1 Safety Precaution ........................................................................................................................3

1.2 Warning .......................................................................................................................................3

2. Function........................................................................................................................................................ 6

3. Specification ................................................................................................................................................ 7

4. Dimension ...................................................................................................................................................11

4.1 Indoor Unit.................................................................................................................................11

4.2 Outdoor Unit ..............................................................................................................................15

5. Capacity tables........................................................................................................................................... 19

6. Refrigerant Cycle Diagram ....................................................................................................................... 24

7. Installation Details..................................................................................................................................... 25

7.1 Wrench torque sheet for installation ..........................................................................................25

7.2 Connecting the cables...............................................................................................................25

7.3 Pipe length and the elevation ....................................................................................................26

7.4 Installation for the first time........................................................................................................27

7.5 Adding the refrigerant after running the system for many years ................................................29

7.6 Re-installation while the indoor unit need to be repaired...........................................................30

7.7 Re-installation while the outdoor unit need to be repaired.........................................................31

8. Wiring Diagram.......................................................................................................................................... 33

8.1 Indoor Unit.................................................................................................................................33

8.2 Outdoor Unit ..............................................................................................................................35

9. Operation Characteristics......................................................................................................................... 37

10. Electronic function.................................................................................................................................. 38

10.1 Abbreviation ............................................................................................................................38

10.2 Display function .......................................................................................................................38

10.3 Main Protection .......................................................................................................................40

10.4 Operation Modes and Functions .............................................................................................40

11. Troubleshooting....................................................................................................................................... 48

11.1 Indoor Unit Error Display .........................................................................................................48

11.2 Trouble shooting ......................................................................................................................49

DM16-01.01.07en Blanc On-off

Service manual 3

1. Precaution

1.1 Safety Precaution

To prevent injury to the user or other people and property damage, the following

instructions must be followed.

Incorrect operation due to ignoring instruction will cause harm or damage.

Before service the unit, be sure to read this service manual at first.

1.2 Warning

Installation

Do not use a defective or underrated circuit breaker. Use this appliance on a dedicated

circuit.

There is risk of fire or electric shock.

For electrical work, contact the dealer, seller, a qualified electrician, or an authorized

service center.

Do not disassemble or repair the product, there is risk of fire or electric shock.

Always ground the product.

There is risk of fire or electric shock.

Install the panel and the cover of control box securely.

There is risk of fire of electric shock.

Always install a dedicated circuit and breaker.

Improper wiring or installation may cause fore or electric shock.

Use the correctly rated breaker of fuse.

There is risk of fire or electric shock.

Do not modify or extend the power cable.

There is risk of fire or electric shock.

Do not install, remove, or reinstall the unit by yourself (customer).

There is risk of fire, electric shock, explosion, or injury.

Be caution when unpacking and installing the product.

Sharp edges could cause injury, be especially careful of the case edges and the fins on the

condenser and evaporator.

For installation, always contact the dealer or an authorized service center.

Do not install the product on a defective installation stand.

Be sure the installation area does not deteriorate with age.

If the base collapses, the air conditioner could fall with it, causing property damage, product failure,

and personal injury.

Do not let the air conditioner run for a long time when the humidity is very high and a

door or a window is left open.

Take care to ensure that power cable could not be pulled out or damaged during

operation.

There is risk of fire or electric shock.

Do not place anything on the power cable.

There is risk of fire or electric shock.

Do not plug or unplug the power supply plug during operation.

Blanc On-off DM16-01.01.07en

4 Service manual

There is risk of fire or electric shock.

Do not touch (operation) the product with wet hands.

Do not place a heater or other appliance near the power cable.

There is risk of fire and electric shock.

Do not allow water to run into electrical parts.

It may cause fire, failure of the product, or electric shock.

Do not store or use flammable gas or combustible near the product.

There is risk of fire or failure of product.

Do not use the product in a tightly closed space for a long time.

Oxygen deficiency could occur.

When flammable gas leaks, turn off the gas and open a window for ventilation before

turn the product on.

If strange sounds or smoke comes from product, turn the breaker off or disconnect the

power supply cable.

There is risk of electric shock or fire.

Stop operation and close the window in storm or hurricane. If possible, remove the

product from the window before the hurricane arrives.

There is risk of property damage, failure of product, or electric shock.

Do not open the inlet grill of the product during operation. (Do not touch the electrostatic

filter, if the unit is so equipped.)

There is risk of physical injury, electric shock, or product failure.

When the product is soaked, contact an authorized service center.

There is risk of fire or electric shock.

Be caution that water could not enter the product.

There is risk of fire, electric shock, or product damage.

Ventilate the product from time to time when operating it together with a stove etc.

There is risk of fire or electric shock.

Turn the main power off when cleaning or maintaining the product.

There is risk of electric shock.

When the product is not be used for a long time, disconnect the power supply plug or

turn off the breaker.

There is risk of product damage or failure, or unintended operation.

Take care to ensure that nobody could step on or fall onto the outdoor unit.

This could result in personal injury and product damage.

CAUTION

Always check for gas (refrigerant) leakage after installation or repair of product.

Low refrigerant levels may cause failure of product.

Install the drain hose to ensure that water is drained away properly.

A bad connection may cause water leakage.

Keep level even when installing the product.

It can avoid vibration of water leakage.

Do not install the product where the noise or hot air from the outdoor unit could damage

the neighborhoods.

It may cause a problem for your neighbors.

Use two or more people to lift and transport the product.

DM16-01.01.07en Blanc On-off

Service manual 5

Do not install the product where it will be exposed to sea wind (salt spray) directly.

It may cause corrosion on the product. Corrosion, particularly on the condenser and evaporator fins,

could cause product malfunction or inefficient operation.

Operational

Do not expose the skin directly to cool air for long time. (Do not sit in the draft).

Do not use the product for special purposes, such as preserving foods, works of art etc.

It is a consumer air conditioner, not a precision refrigerant system.

There is risk of damage or loss of property.

Do not block the inlet or outlet of air flow.

Use a soft cloth to clean. Do not use harsh detergents, solvents, etc.

There is risk of fire, electric shock, or damage to the plastic parts of the product.

Do not touch the metal parts of the product when removing the air filter. They are very

sharp.

Do not step on or put anything on the product. (outdoor units)

Always insert the filter securely. Clean the filter every two weeks or more often if

necessary.

A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or

damage.

Do not insert hands or other objects through air inlet or outlet while the product is

operated.

Do not drink the water drained from the product.

Use a firm stool or ladder when cleaning or maintaining the product.

Be careful and avoid personal injury.

Replace the all batteries in the remote control with new ones of the same type. Do not

mix old and new batteries or different types of batteries.

There is risk of fire or explosion.

Do not recharge or disassemble the batteries. Do not dispose of batteries in a fire.

They may burn of explode.

If the liquid from the batteries gets onto your skin or clothes, wash it well with clean

water. Do not use the remote of the batteries have leaked.

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6 Service manual

2. Function

Model Names of Indoor/Outdoor Units

On-Off

Capacity Indoor units Outdoor units

7k MSMA1A-07HRN1 MOAB02-07HN1

9k MSMA1A-09HRN1 MOAB02-09HN1

12k MSMA1B-12HRN1 MOBA01-12HN1

18k MSMA1C-18HRN1 MOBA03-18HN1

24k MSMA1D-24HRN1 MOCA02-24HN1

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Service manual 7

3. Specification

Indoor model name MSMA1A-07HRN1 MSMA1A-09HRN1 MSMA1B-12HRN1

Outdoor model name MOAB02-07HN1 MOAB02-09HN1 MOBA01-12HN1

Power supply

Ph-V-H

220-240V- 50Hz, 1Ph 220-240V- 50Hz, 1Ph 220-240V- 50Hz, 1Ph

Cooling

Capacity

Btu/h 7000 9000 12000

kW 2,05 2,64 3,52

Input W 639 822 1096

Rated current A 2.8 3.6 4.8

EER W/W 3,21 3,21 3,21

Heating

Capacity

Btu/h 8000 9500 13000

kW 2,34 2,78 3,81

Input W 649 771 1055

Rated current A 2.8 3.4 4.8

COP W/W 3,61 3,61 3,61

Max. input consumption W 1050 1200 1800

Max. current A 5.5 6.0 9.0

Starting current A 16.1 21.7 25

Compressor

Model ASN82V1UDZ 44M213AH&FJKC ASM140V1VFT

Type ROTARY ROTARY ROTARY

Brand GMCC Rechi GMCC

Capacity Btu/h 6995/7029 8428/8530 13853/13853

Input W 702/735 830/860 955/995

Rated current(RLA) A 3.21/3.15 3.85/3.73 4.35/4.2

Locked rotor Amp(LRA) A 16.1 21.7 25

Thermal protector ----- B160-135-241E /

Thermal protector

position

EXTERNAL EXTERNAL INTERNAL

Capacitor uF 25 40 35

Refrigerant oil/oil

charge

ml ESTEL OIL VG74/300 ESTER OIL VG74 350cc ESTER OIL VG74/350

Indoor fan

motor

Model YKFG-13-4-38L YKFG-13-4-38L YKFG-13-4-38L

Input W 40 40 40

Capacitor uF 1.2 1.2 1.2

Speed(Hi/Mi/Lo) r/min 1050/950/800 1100/950/800 1150/950/800

Indoor coil

a.Number of rows 2 2 2

b.Tube pitch(a)x row

pitch(b)

19.5x11.6 19.5x11.6 19.5x11.6

c.Fin spacing mm 1.2 1.2 1.2

d.Fin type (code) Hydrophilic aluminium Hydrophilic aluminium Hydrophilic aluminium

e.Tube outside dia.and

type

Φ5,innergroove tube Φ5,innergroove tube Φ5,innergroove tube

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8 Service manual

f.Coil length x height x

width

mm 510x253x23.2 510x253x23.2

595x78x23.2+595x117x2

3.2+595x78x23.2

g.Number of circuits 3 3 4

Indoor air flow (Hi/Mi/Lo) m3/h 436/381/300 456/380/306 564/436/342

Indoor noise level (Hi/Mi/Lo) dB(A) 36.0/34/30 39/34/29 42/38/36

Indoor unit

Dimension(W*D*H) mm 715*285*194 715*285*194 805x205x285

Packing (W*D*H) mm 765*270*345 765*270*345 870*285*360

Net/Gross weight Kg 7.1/9.3 7.1/9.3 8.0/10.3

Outdoor fan

motor

Model YKT-32-6-203L YKT-32-6-203L YKT-32-6-203L

Input W 72.5 72.5 72.5

Capacitor uF 2.5 2.5 2.5

Speed r/min 850 850 850

Outdoor coil

a.Number of rows 1 1 1

b.Tube pitch(a)x row

pitch(b)

21x13.37 21x13.37

21×22

c.Fin spacing mm 1.4 1.4 1.2

d.Fin type (code) Hydrophilic aluminium Hydrophilic aluminium Hydrophilic aluminium

e.Tube outside dia.and

type

mm Φ7,innergroove tube Φ7,innergroove tube Φ7,innergroove tube

f.Coil length x height x

width

mm 685x508x13.37 685x508x13.37 744x504x22

g.Number of circuits 2 2 2

Outdoor noise level dB(A) 54 55 57

Outdoor unit

Dimension(W*D*H) mm 700x270x550 700x270x550 770x300x555

Packing (W*D*H) mm 815x325x615 815x325x615 900x345x585

Net/Gross weight Kg 23.1/25.2 25.3/27.6 29.5/32.0

Refrigerant type g R410A/520g R410A/590g R410A/740g

Design pressure MPa 4.2/1.5 4.2/1.5 4.2/1.5

Refrigerant

piping

Liquid side/ Gas side

mm(inc

Φ6.35/Φ9.52(1/4"/3/8"

)

Φ6.35/Φ9.52(1/4"/3/8") Φ6.35/Φ12.7(1/4"/1/2")

Max. refrigerant pipe

length

m 20 20 20

Max. difference in level m 8 8 8

Connection wiring 5x1.0(Optional) 5x1.0(Optional) 3x1.5+2x0.75(Optional)

Plug type 3x1.5 / VDE 3x1.5 / VDE 3x1.5 / VDE

Remote Control RG70A/BGEF RG70A/BGEF RG70A/BGEF

Operation temperature ℃17-30 17-30 17-30

Room

temperature

Indoor(cooling/ heating) ℃17-32/0-30 17-32/0-30 17-32/0-30

Outdoor(cooling/heatin

℃18-43/-7-24 18-43/-7-24 18-43/-7-24

Application area (Cooling Standard) m2 10-15 12-18 16-23

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Service manual 9

Indoor model name MSMA1C-18HRN1 MSMA1D-24HRN1

Outdoor model name MOBA03-18HN1 MOCA02-24HN1

Power supply Ph-V-Hz 220-240V- 50Hz, 1Ph 220-240V- 50Hz, 1Ph

Cooling

Capacity

Btu/h 18000 24000

kW 5,28 7,03

Input W 1643 2503

Rated current A 7.1 10.9

EER W/W 3,21 2,81

Heating

Capacity

Btu/h 19000 26000

kW 5,57 7,62

Input W 1543 2374

Rated current A 6.7 10.3

COP W/W 3,61 3,21

Max. input consumption W 2400 4000

Max. current A 12 20

Starting current A / 54.5

Compressor

Model ASL211SV-C7LU1

PA280G2CS-4MTL

Type ROTARY ROTARY

Brand HITACHI GMCC

Capacity Btu/h 17299/- 27705/27824

Input W 1750/- 1910/1990

Rated current(RLA) A 4.75 8.8/8.05

Locked rotor Amp(LRA) A / 54.5

Thermal protector /

Thermal protector position INTERNAL INTERNAL

Capacitor uF 50 60

Refrigerant oil/oil charge ml ESTER OIL VG74/350 ESTER OIL VG74/850

Indoor fan motor

Model YKFG-25-4-6 YKFG-45-4-22

Input W 62 45

Capacitor uF 1.5 3

Speed(Hi/Mi/Lo) r/min 1180/1000/850 1200/1000/850

Indoor coil

a.Number of rows 2 2

b.Tube pitch(a)x row pitch(b) mm 21x13.37 21x13.37

c.Fin spacing mm 1.2 1.2

d.Fin type (code) Hydrophilic aluminium Hydrophilic aluminium

e.Tube outside dia.and type mm Φ7,innergroove tube Φ7,innergroove tube

f.Coil length x height x width mm 750x84x26.74+750x147x26.74 780x210x26.74+780x105x26.74

g.Number of circuits 3 4

Indoor air flow (Hi/Mi/Lo) m3/h 776/645/523 1010/810/659

Indoor noise level (Hi/Mi/Lo) dB(A) 42/38/35 47/41.5/37

Indoor unit

Dimension(W*D*H) mm 957x223x302 1040x235x327

Packing (W*D*H) mm 1035*305*380 1120*405*330

Net/Gross weight Kg 10.2/13.3 12.9/16.4

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10 Service manual

Outdoor fan motor

Model

YKT-48-6-206 YKT-75-6-200L

Input W 93 75

Capacitor uF 3 3

Speed r/min 880 850

Outdoor coil

a.Number of rows 2 2

b.Tube pitch(a)x row pitch(b) mm 21x13.37 21x13.37

c.Fin spacing mm 1.4 1.5

d.Fin type (code) Hydrophilic aluminium Hydrophilic aluminium

e.Tube outside dia.and type mm Φ7,innergroove tube Φ7,innergroove tube

f.Coil length x height x width mm 755x504x26.74 740x630x13.37+760*630*13.37

g.Number of circuits 4 6

Outdoor noise level dB(A) 58 59

Outdoor unit

Dimension(W*D*H) mm 770x300x555 845x363x702

Packing (W*D*H) mm 900x345x585 965x395x755

Net/Gross weight Kg 34.9/37.3 49.2/52.4

Refrigerant type g R410A/1150g R410A/1750g

Design pressure MPa 4.2/1.5 4.2/1.5

Refrigerant piping

Liquid side/ Gas side mm(inch) Φ6.35/Φ12.7(1/4"/1/2") Φ9.52/Φ16(3/8"/5/8")

Max. refrigerant pipe length m 25 25

Max. difference in level m 10 10

Connection wiring 3x1.5+2x0.75(Optional) 4x1.0(Optional)

Plug type 1.5x3 -----

Remote Control RG70A/BGEF RG70A/BGEF

Operation temperature ℃17-30 17-30

Room temperature

Indoor(cooling/ heating) ℃17-32/0-30 17-32/0-30

Outdoor(cooling/heating) ℃18-43/-7-24 18-43/-7-24

Application area (Cooling Standard) m2 24-35 32-47

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