Samsung MH026FPEA Installation guide

Indoor Unit

MH026FPEA

MH035FPEA

MH052FPEA

MH026FKEA

MH035FKEA

MH052FDEA

Outdoor Unit

MH068FXEA4

MH080FXEA4

Precautions 1

Product Specifications 2

Operation Instruction & Installation 9

Disassembly and Reassembly 48

Refrigerating Cycle Diagram 72

Feature & Operation 73

Set Up the Model Option 85

Troubleshooting 88

Exploded Views and Parts List 106

Block Diagram 130

PCB Diagram 131

Wiring Diagram 147

Schematic Diagram 152

CONTENTS

DB98_20402A(1)_CO 10/26/04 3:28 PM Page 1

1Samsung Electronics

1. Precautions

11) Cut off the power.

● Make sure to cut off the power before repair. If not, you may

be damaged by an electric shock.

12) Do not install an outdoor unit on the apartment outside

wall(or equivalent) for safety.

● Installing an outdoor unit on the apartment outside wall(or

equivalent) is prohibited for the safety purpose. Service will

not be available for the outdoor unit where our servicemen

can not access and the cost of moving the outdoor unit to

the service area will be borne by the customer.

● If requested by the customer, you shall discourage him to

install an outdoor unit on the apartment outside wall(or

equivalent).

13) Keep the drain hose outlet free.

● Otherwise, air flow will get slow, which may hinder cooling

capacity.

● Also, dew may be laden on the service valve.

14) Use of Certified Parts

● Use certified parts only. (An electric contact part, if broken

down, shall not be repaired but replaced with a new one.

Remodeling shall be prohibited. In no case, the customer

shall repair the product on his own because this is danger-

ous enough to bring about breakdown or fire.)

15) Ban on Middle Connection of Power Cord

● Do not cut the power cord in the middle to be connected to

other power cord nor use a middle socket between two

power cords. This is dangerous enough to bring about

breakdown or fire.

16) Check Insulation

● After assembly, be sure to check insulation resistance.

(Use an insulation ohmmeter to measure the insulation

resistance between the power cord and the earthing wire.

Do not supply power until it reads 30MΩ.)

17) Be sure to keep the symmetry of the product.

● Otherwise, you may hear vibration noise.

18) Caution for Children

● Keep children off the product while it is in repair.

Otherwise, they might be endangered.

19) Be sure to put the indoor or outdoor unit free of corrosive

gases such as sulfuric water, ammonium and sulfuric

gas.

● Otherwise, copper tubes or soldered parts could be

corroded causing refrigerant leak.

10) Arrangement of surroundings

● After repair finishes, clean the air conditioner and its

surroundings and inform the customer of what it is like.

DB98_20402A(1)_1 10/26/04 2:46 PM Page 1

Samsung Electronics2

2. Product Specifications

2-1 Table

Model

Item

MH026FPEA MH035FPEA MH052FPEA

INDOOR UNIT

Size

Perfor-

mance

Wall-mounted

2.60

2.90

1.4

6.4

7.4

3.04

2.40

1-220~240-50

860

1,310

3.7

5.7

98.7

99.9

795 x 258 x 179

31.3 x 10.2 x 7.0

7.5

ø6.35 x 7

ø9.52 x 7

ø18 x 2,000

Cross-fan

steel

2ROW 10STEP

EEV

Wall-mounted

3.50

3.80

1.9

8.2

8.6

3.08

2.50

1-220~240-50

1,140

1,630

5.0

7.1

94.8

98.7

890 x 285 x 179

35.0 x 11.2 x 7.0

8.5

ø6.35 x 7

ø9.52 x 7

ø18 x 2,000

Cross-fan

steel

2ROW 12STEP

EEV

Wall-mounted

5.20

5.60

2.5

13.0

13.5

3.31

2.60

1-220~240-50

1,590

2,470

6.9

10.7

94.8

96.6

1,080 x 315 x 205

42.5 x 12.4 x 8.1

ø6.35 x 7

ø12.7 x 7

ø18 x 2,000

Cross-fan

steel

2ROW 16STEP

EEV

Type

Cooling kW

Heating

Dehumidifying |/h

Air Volume Cooling m3/min

Heating

Noise Cooling dB

Heating

Energy Efficiency Ratio Cooling

Heating W/W

Power V-Hz

Power Consumption Cooling W

Heating

Operating Current Cooling A

Heating

Power Factor Cooling %

Heating

Outer Dimension W x H x D mm

inch

Weight kg

Refrigerant Pipe Liquid mm x L(m)

GAS mm x L(m)

Drain Hose D x L(mm)

Type

Blower Motor Type

Rated Output W

Heat Exchanger

Refrigerant Control Unit

Power

DB98_20402A(1)_1 10/26/04 2:46 PM Page 2

3Samsung Electronics

Table(cont.)

MH026FKEA MH035FKEA MH052FDEA

INDOOR UNIT

2.6

2.9

AC 220~240V, 50Hz

860 / 1,310

3.7 / 5.7

1,070

1,000

930

6.84

6.32

5.83

ø7.0 SLIT

2 x 14 x 1.5

Cross flow

180

970

390

15 / 18

3.5

3.8

AC 220~240V, 50Hz

1,140 / 1,630

5.0 / 7.1

1,210

1,140

1,070

8.61

8.13

7.70

ø7.0 SLIT

2 x 14 x 1.5

Cross flow

180

970

390

15 / 18

5.2

5.6

AC 220~240V, 50Hz

1,590 / 2,470

6.9

730

680

630

ø7.0 SLIT

2 x 12 x 1.5

Sirocco

260

1,340

600

41 / 47

Cooling

Heating

Cooling / Heating

Heat Exchanger

Fan

Dimensions

Weight

Med

Low

Med

Low

Motor Output

r.p.m.

m3/min

dB(A)

Net / Gross

Type

Row x Stages x Fin Pitch

Type

Capacity

Power Supply

Power Input

Running Current

Indoor Unit

Air Circulation

Noise Level

(Sound Pressure)

Fan Speed

(at 0mmAq)

Model

Item

DB98_20402A(1)_1 10/26/04 2:46 PM Page 3

Samsung Electronics4

Table(cont.)

Model

Item

Free Joint Multi

MH068FXEA4 MH080FXEA4

OUTDOOR UNIT

Power

Size

Fan Motor

Blower

Com-

pressor

Perfor-

mance

2.6 ~ 9.3

2.9 ~ 10.9

890 ~ 2,820

822 ~ 2,868

3.9 ~ 12.3

3.6 ~ 12.5

880 x 796 x 330

Twin Rotary

G5T360FU1EK

Propeller

ø460

2ROW 36STEP

EEV

2,900

2.6 ~ 8.7

2.9 ~ 10.6

885 ~ 2,486

822 ~ 2,789

3.8 ~ 10.8

3.6 ~ 12.1

880 x 796 x 330

Twin Rotary

G5T360FU1EK

Propeller

ø460

2ROW 36STEP

EEV

2,900

1-220-240V~, 50Hz

Remark : Test Condition Indoor Room Outdoor Room

Cooling Test DB27˚C / WB19˚C DB35˚C / WB24˚C

Maximum Operation DB32˚C / WB23˚C DB43˚C / WB26˚C

Type

Capacity Cooling kW

Heating BTU/h

Air Volume m3/min

Noise Cooling dB

Heating

Power ø-V-Hz

Power Consumption Cooling W

Heating

Operating Current Cooling A

Heating

Fuse Capacity A

Dimension W x H x D mm

Weight kg

Type

Model Name

Motor Type

Rated Output W

Freezer Oil Type

Capacity cc

Protection Device

Blower Type

Size

OD(mm) x L(m)

Motor Rated Output W

Capacitor uF x VAC

Heat Exchanger

Refrigerant Control Unit

Refrigerant to Charge(R410A) gr

DB98_20402A(1)_1 10/26/04 2:46 PM Page 4

5Samsung Electronics

2-2 Technical Document (Pressure Graph)

2-2-1 MH080FXEA4 / MH068FXEA4

■Cooling(7.5m–Piping)

Outdoor Indoor P_high P_low T_dis T_suc P_high P_low T_dis T_suc

21 21.2 8.7 58.4 10.9 21.2 8.2 58.7 8.2

21 27 21.9 10.1 57.5 13.9 21.7 9.4 57.1 11.4

32 22.4 11.3 56.0 16.4 22.2 10.6 55.8 14.5

21 30.3 9.4 78.5 12.8 30.2 9.0 78.5 10.2

35 27 30.9 10.6 78.7 16.8 30.7 10.0 78.0 14.2

32 31.6 12.0 76.3 19.4 31.7 11.4 76.7 17.2

21 36.1 9.8 89.8 12.8 36.2 9.4 91.5 11.4

43 27 37.0 11.1 90.5 17.7 36.8 10.6 89.1 14.2

32 37.6 12.5 88.2 20.6 37.4 11.8 86.8 16.7

170%(ex.026+026+035+052) 100%(ex.026+026+052)

DB98_20402A(1)_1 10/26/04 2:46 PM Page 5

Samsung Electronics6

O.D I.D P-high P-low P-high P-low

21 / 15 20.0 8.3 20.0 7.8

21 / 15 27 / 19 20.7 9.7 20.5 9.0

32 / 23 21.2 10.9 21.0 10.2

21 / 15 29.1 9.0 29.0 8.6

35 / 24 27 / 19 29.7 10.2 29.5 9.6

32 / 23 30.4 11.6 30.5 11.0

21 / 15 34.9 9.4 35.0 9.0

43 / 26 27 / 19 35.8 10.7 35.6 10.2

32 / 23 36.4 12.1 36.2 11.4

170%(ex.026+026+035+052) 100%(ex.026+026+052)

■Cooling(17.5m–Piping)

Product Specifications

DB98_20402A(1)_1 10/26/04 2:46 PM Page 6

7Samsung Electronics

Product Specifications

■Heating(7.5m–Piping)

Outdoor Indoor P_high P_low T_dis T_suc P_high P_low T_dis T_suc

-10 20 18.0 6.4 60.1 -18.9 18.8 6.7 59.8 -17.4

27 20.8 7.0 66.3 -17.1 21.7 7.1 67.0 -15.7

720 21.2 10.6 57.9 -1.8 23.2 10.6 64.9 -0.2

27 24.4 11.0 63.0 -0.9 26.3 11.0 69.1 0.5

24 20 22.5 12.9 60.8 16.4 26.4 13.4 71.9 17.3

27 25.5 13.8 64.3 16.8 29.5 14.2 75.9 17.7

170%(ex.026+026+035+052) 100%(ex.026+026+052)

DB98_20402A(1)_1 10/26/04 2:46 PM Page 7

Product Specifications

Samsung Electronics8

■Heating(17.5m–Piping)

Outdoor Indoor P_high P_low P_high P_low

-10 20 / 15 16.8 6.0 17.6 6.3

27 / 15 19.6 6.6 20.5 6.7

7 / 6 20 / 15 20.0 10.2 22.0 10.2

27 / 15 23.2 10.6 25.1 10.6

24 / 18 20 / 15 21.3 12.5 25.2 13.0

27 / 15 24.3 13.4 28.3 13.8

170%(ex.026+026+035+052) 100%(ex.026+026+052)

DB98_20402A(1)_1 10/26/04 2:46 PM Page 8

9Samsung Electronics

Fan speed adjustment button.

Each time you press this button, FAN SPEED is changed in the following order.

Temperature adjustment button(DOWN).

The temperature is decreased by the pressing the temperature button.

FUNCTION

On/Off button.

Press the button to stop or run the air conditioner.

BUTTONNo

Swing button.

It adjusts the airflow to upward and downward.

Temperature adjustment button(UP).

The temperature is increased by the pressing the temperature button.

(On/Off)

(UP)

(DOWN)

Low Medium High

Automatic(rotated : )

Sleep button.

The sleep timer can be used when you are cooling or heating your room to switch the

air conditioner off automatically after a period of 6 hours.

Turbo button.

The air conditioner cools or heats the room as quickly as possible.

After 30 minutes, the air conditioner is reset automatically to the previous mode.

Mode selection button.

Each time you press this button,

mode is changed in the following order. : Auto Mode : Fan Mode

: Cool Mode : Heat Mode

: Dry Mode

3. Operation Instruction & Installation

3-1 Operation Instruction

3-1-1 The Feature of Key in remote control

DB98_20402A(1)_1 10/26/04 2:47 PM Page 9

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