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Troubleshooting guide

1.H series & E series (For LED display:Timer indicator (Yellow lamp) flashes):

Trouble source

Displayed phenomenon

Display priority class

PG motor of indoor unit feedback abnormity (PG电机反馈)

Sparkle 4 times per 8 seconds

1

Temperature sensor of air intake abnormity (室温传感器-塑料)

Sparkle 1 time per 8 seconds

2

Temperature sensor of indoor unit coil abnormity (内盘温控探头-铜柱)

Sparkle 2 times per 8 seconds

3

Temperature sensor of outdoor unit coil abnormity (外盘温控探头-铜柱)

Sparkle 1 time per 1 second

4

2.H series & E series (For Digital display):

Trouble source

Displayed phenomenon

Display priority class

PG motor of indoor unit feedback abnormity (PG电机反馈)

E4

1

Temperature sensor of air intake abnormity (室温传感器-塑料)

E1

2

Temperature sensor of indoor unit coil abnormity (内盘温控探头-铜柱)

E3

3

Temperature sensor of outdoor unit coil abnormity (外盘温控探头-铜柱)

E2

4

Communication abnormity between outdoor unit and indoor unit (信号线)

E5

5

Note: 1. “Sparkle 1 time per 8 seconds” indicated on LED display model is the same as “E1” displayed on Digital display model.

2. “Sparkle 1 time per 1 seconds” indicated on LED display model is the same as “E2” displayed on Digital display model.

3.“Sparkle 2 times per 8 seconds” indicated on LED display model is the same as “E3” displayed on Digital display model.

4.“Sparkle 4 times per 8 seconds” indicated on LED display model is the same as “E4” displayed on Digital display model.

Explanations as follows:

1. E1 and E3 is the problem of temperature sensor in indoor unit. Two temperature sensors are in indoor unit. One is made of plastic material and another one is made of copper material. If the plastic sensor is damaged, for example, its resistance value deviates from its original value greatly, E1 malfunction indication will spear. Or, this sensor’s signal cable is broken and no signal will be received from this sensor, E1 will appear as well. So, when E1 appear, maintenance man should test its resistance value and its cable connection with PCB.
2. As said above, there is a copper sensor which used to detect the outlet temperature of evaporator. If the sensor’s cable broken or sensor’s resistance deviating from its original correct value, E3 will appear. Check its value and its cable connection with PCB.
3. The standard resistance value for the two above sensors is 5kΩ at 25℃. The two different sensors have the same standard values. If the tested value is abnormal, what you need to do is to replace it with a new one.
4. As for the E2 problem, if the signal cable between indoor unit and outdoor unit has not been connected, for example, the cable is broken or has not been connected with the outdoor socket, the E2 will appear. Generally, it can be caused by the unqualified installers. In domestic market, many customers told us about this problem. After checking, we found the cable from indoor unit was forgotten to be connected with the outdoor socket. If the outdoor copper sensor itself is defaulted, the E2 will appear as well, for example, the sensor is broken, the resistance is infinite. At this condition, you should check the cable, the socket, the sensor to find where the problem is. Generally, this problem is easy to be repaired.
5. Generally, when E4 problem happen, it mustn’t be the problem of PG motor. Firstly, maybe the electrical connection are not very well, so please turn off the power supply and check the wire connection of the indoor motor then restart the appliance once again to see whether there is also E4 display on the panel. If the answer is Yes, please try to replace another PCB, because there are some electronic components are damaged and cut off the feedback circuit of the motor, E4 will appear as well. So, you should check whether there is something wrong with PCB. If the PCB is good, you should check the PG motor of indoor unit.
6. E5 will appear when communication failed between indoor and outdoor unit for dual type air conditioners (Multi-split Type). (主要针对一拖二机型)

REMARKS:

Testing method of Temperature sensor resistance

Cut off the Power supply, use Multimeter to measure the resistance of the sensor.

1. For two indoor unit sensors: Dismantle the electric control box, pull the sensor socket out of the the PCB. There are two sensors sockets, one is for Room temperature (colored Yellow), the other is for Pipe temperature (colored RED).

2. Use the Multimeter to measure the resistance of the related sensor, the two fingers of the Multimeter (Red and Black) should touch completely to the small metal plate of the sensor socket.

3. The outdoor sensors can also be measured to the way mentioned above.

4. All these three sensors have the same Standard resistance value, generally 5kΩ at 25℃,please notice that the value will change according to the environmental temperature, actually there exits a reverse-ratio relation. You can refer to the attached Table for Standard resistance value of the sensor.

Standard resistance value of the sensor

502AT-3470[unit:temperature(℃)、resistance(kΩ)]

Temperature

Lower limit

Standard value

Upper limit

Temperature

Lower limit

Standard value

Upper limit

-30.0

62.017

64.152

66.288

11.0

8.667

8.8008

8.932

-29.0

58.674

60.662

62.650

12.0

8.313

8.4385

8.560

-28.0

55.536

57.387

59.238

13.0

7.975

8.0934

8.207

-27.0

52.589

54.314

56.038

14.0

7.653

7.7643

7.870

-26.0

49.821

51.428

53.035

15.0

7.347

7.4506

7.549

-25.0

47.219

48.717

50.214

16.0

7.054

7.1513

7.243

-24.0

44.772

46.168

47.565

17.0

6.776

6.8658

6.952

-23.0

42.470

43.772

45.075

18.0

6.510

6.5934

6.674

-22.0

40.303

41.518

42.733

19.0

6.256

6.3333

6.409

-21.0

38.263

39.397

40.531

20.0

6.013

6.0850

6.157

-20.0

36.341

37.399

38.458

21.0

5.781

5.847

5.914

-19.0

34.529

35.517

36.506

22.0

5.559

5.6213

5.683

-18.0

32.821

33.744

34.667

23.0

5.347

5.4048

5.462

-17.0

31.210

32.072

32.934

24.0

5.144

5.1978

5.251

-16.0

29.689

30.495

31.300

25.0

4.950

5.0000

5.050

-15.0

28.254

29.007

29.759

26.0

4.760

4.8108

4.861

-14.0

26.898

27.602

28.305

27.0

4.579

4.6298

4.680

-13.0

25.617

26.275

26.933

28.0

4.406

4.4566

4.507

-12.0

24.406

25.021

25.636

29.0

4.240

4.2909

4.341

-11.0

23.261

23.836

24.411

30.0

4.082

4.1323

4.182

-10.0

22.177

22.715

23.254

31.0

3.930

3.9804

4.030

-9.0

21.140

21.643

22.146

32.0

3.784

3.8349

3.884

-8.0

20.158

20.629

21.099

33.0

3.645

3.6955

3.744

-7.0

19.229

19.669

20.109

34.0

3.512

3.5620

3.610

-6.0

18.349

18.760

19.172

35.0

3.384

3.4340

3.482

-5.0

17.515

17.900

18.285

36.0

3.262

3.3113

3.359

-4.0

16.725

17.086

17.446

37.0

3.145

3.1937

3.241

-3.0

15.976

16.313

16.651

38.0

3.033

3.0809

3.128

-2.0

15.266

15.582

15.897

39.0

2.925

2.9727

3.019

-1.0

14.592

14.888

15.183

40.0

2.822

2.8688

2.915

0.0

13.953

14.229

14.506

41.0

2.723

2.7692

2.815

1.0

13.341

13.600

13.858

42.0

2.627

2.6735

2.718

2.0

12.760

13.002

13.244

43.0

2.536

2.5816

2.626

3.0

12.209

12.435

12.661

44.0

2.448

2.4934

2.537

4.0

11.685

11.896

12.108

45.0

2.364

2.4087

2.452

5.0

11.187

11.385

11.583

46.0

2.283

2.3273

2.370

6.0

10.713

10.899

11.084

47.0

2.206

2.2491

2.291

7.0

10.263

10.436

10.610

48.0

2.132

2.1739

2.215

8.0

9.835

9.9995

10.159

49.0

2.060

2.1016

2.143

9.0

9.427

9.5802

9.731

50.0

1.991

2.0321

2.073

10.0

9.039

9.1810

9.323

51.0

Temperature

Lower limit

Standard value

Upper limit

Temperature

Lower limit

Standard value

Upper limit

50.0

2.0321

81.0

0.7730

51.0

1.9656

82.0

0.7508

52.0

1.9016

83.0

0.7293

53.0

1.8399

84.0

0.7086

54.0

1.7804

85.0

0.6885

55.0

1.7232

86.0

0.6690

56.0

1.6680

87.0

0.6502

57.0

1.6149

88.0

0.6320

58.0

1.5636

89.0

0.6144

59.0

1.5142

90.0

0.5973

60.0

1.4666

91.0

0.5808

61.0

1.4206

62.0

1.3763

63.0

1.3336

64.0

1.2923

65.0

1.2526

66.0

1.2142

67.0

1.1771

68.0

1.1413

69.0

1.1068

70.0

1.0734

71.0

1.0412

72.0

1.0100

73.0

0.9800

74.0

0.9509

75.0

0.9228

76.0

0.8957

77.0

0.8695

78.0

0.8441

79.0

0.8196

80.0

0.7959

 


Ductless Mini Split
12000 BTU - 110V 20 Seer
Mini Split A/C Heat Pump System
An Ecobreeze Product
MSRP: $2259.95
YOUR PRICE : $1,098.95
;

Ductless Mini Split
18,000 BTU - 220V - 25
Mini Split A/C Heat Pump System
An Ecobreeze Product
MSRP: $2389.99
YOUR PRICE : $928.00
;

Ductless Mini Split
Two Zone 24000 BTU - 220V 16 Seer

Ductless Mini Split
9000 BTU - 220V 20 Seer
Ductless Mini Split
18,000 BTU - 220V - 20 Seer
Ductless Mini Split
Two Zone 18000 BTU - 220V 16 Seer

Ductless Mini Split
Three Zone 27000 BTU - 220V 16 Seer
Ductless Mini Split
Three Zone 367000 BTU - 220V 16 Seer

BEST PRICE MINI SPLITS - Hitachi/EcoBreeze 866-474-5061.


How a mini-split air conditioner/heat pump works:
A mini-split air conditioner works the same way that your central air conditioner system works. The brains of the unit is the outside compressor which is a Japanese Hitachi compressor.

The only thing that is ECO-BREEZE about this unit is the inside evaporator which is just a fan blowing room air across the cold coils. This means that this unit is 90% Hitachi with a ECO-BREEZE fan inside.
Lets talk about how a mini-split air conditioner/heat pump works. The outside condenser (made by Hitachi) condenses the Freon into a very thin line inside a copper tube, and that is all the outside condenser does is to condense the Freon into a liquid.

As the Freon leaves the outside Compressor it enters a big half inch diameter copper tube and the Freon changes from a liquid to a gas and gets extremely cold. The cold half inch line, wrapped in insulation, then travels through this copper line from the outside compressor up the side of the wall through a 3.5 inch hole to the inside evaporator unit with the fan. So you need to drill this 3.5 inch hole all the way though the wall.
The inside evaporator unit mounts on a wall onto a thin metal bracket over the 3.5 inch hole so you cannot see the hole from the inside. The evaporator is mounted 4 inches from the ceiling. It is mounted out of your normal line of sight, you really do not notice it unlike a window unit that mounts in the middle of the wall. The biggest inside evaporator unit sticks out from the wall approximately 10 inches, and is 13 inches high and 4 feet wide. Again, you don't really notice it because it is mounted up by the ceiling.

The half inch Freon line enters the inside evaporator where it breaks up into thin copper lines that run across the length of the inside unit. Room air then enters the unit from the top of the inside unit and blows across the thin, cold metal tubes chilling the air which then blows out the bottom front of the unit into the room. There is typically a 19 degree Fahrenheit temperature drop from the air entering the top of the inside unit to the air coming out at the bottom front of the inside unit. Horizontal louvers at the bottom front then fan the air vertically across the room.

The Freon then leaves the inside Evaporator unit via a quarter inch copper line, back through the same 3.5 inch hole back to the outside unit to be re-condensed again and the cycle repeats. The outside compressor then blows hot air outside.
For electricity, a 110volt or 220 volt line is ran from your electrical panel to a quick disconnect box next to the outside compressor. The compressor is then hardwired to that outside quick disconnect box to get its electricity. The inside unit gets its electricity from the outside unit from a wiring harness that runs from the outside to the inside unit through that same 3.5 inch hole. Usually wiring harnesses from the inside and outside units just clip together.

As air passes over the inside evaporator unit's cold copper tubes, the moisture in the air condenses and drips. A collecting device then channels the water back out through though the same 3.5 inch hole to the outside. So obviously as it cools, it is removing moisture from the air acting as a dehumidifier.

Outside, it is best to place a 4 inch wide vertical metal cover over the copper tubes, wire harness, and drain line to make it look better. The cover would run from the 3.5 inch hole down to the ground where your outside condenser unit is.

The outside condenser unit can either be mounted onto a concrete pad or pressure treated logs on the ground, or a L-Bracket mounted on the side of the building or mounted on the roof.

Can an individual install these? We recommend you get a licensed installer by posting a job on www.Craigslist.com which is usually free or $25 in some major metro areas. State in your ad, that you want to see their license and that they have to have prior experience installing mini-split air conditioners although it is not necessary. We do have many individuals install these themselves and the worst thing that I hear is they lost their Freon and now have to call a licensed installer to finish the job because only licensed installers can buy Freon. Normally you can get someone to run the electrical and install the unit for $500 if you post the job on Craigslist. Compare this to the normal retail price have an electrical contractor install one for $3000 to $4000. You can save more than 50% If you buy the unit from us for $700-$1000 and add the $500 installation for a $1200 to $1700 total.

The installers might charge you $30/pound for the R410A Freon but it only costs them about $6/pound. Expect some markup though. The compressor comes precharged with plenty of R410A Freon for both the lines and the unit without adding extra Freon if using about 15 feet of line.

When dirty, the filter can be rinsed with water and reinstalled.
This unit works as a great heater also. All it does to heat is to reverse the direction of the Freon. During air conditioning mode, cold air is blown inside and hot air is blown outside. During heat mode, heated air is blown inside and cold air is blown outside.


Some of the controls on the remote control are power on/off, Set temperature +/-, fan speed, louver on/off, and a mode button to change from air conditioning to heat to fan only.

Normally most name-brand air conditioners come with a 1-year warranty. One internet seller is advertising a longer warranty but every 6 months, he shuts down his website and starts a new one. Beware of this.

Basically all minisplits are made by 5 different assembly factories that purchase their parts from the same two suppliers plus the Japanese name branded compressor. This is why all minisplits look the same with different face plates only. What we do is to sell you this same unit cheaper than anyone else because of our lower overhead. We sell the minisplit units direct to the public cheaper than the installers can buy them at wholesale prices.

The units are shipped by common carrier to your doorstep. We usually use Saia, UPS Freight or Fed-Ex Freight to ship you your unit. Most of the major metro area can receive our units in 1 to 3 business days from our Dallas, Texas warehouse. For rural areas it could take an additional 1 to 3 days.

The advantage of a minisplit systems over a window unit is the window unit is much louder because the compressor is not outside but inside the window unit. The window AC unit also mounts in a window which is usually in the middle of the wall creating and eye sore. Window units are also 10 Seer and Mini-split units are 13 Seer, so the minisplits use 30% less electricity than the window units. Minisplit/Heat Pump units also heat as well as cool. To change you simply push the mode button on the remote.

Usually Minisplit systems are added when converting garages because you cannot take ducting from the house's central air system or the house will be too hot. Also the converted garage is going to be a bedroom, family room or game room, and a window unit is so loud that you cannot enjoy yourself. Also you have to cut a huge hole in the wall for a window unit and only a 3.5 inch diameter hold for the minisplit.

The minisplits are also used in Cabanas, bath houses, added dens or to old houses that have no room for the ductwork that is required for central air units. Solution is to again use a minisplit AC system for the best low-priced fuel efficient alternative. Some houses have central air systems that will not cool the house down to the desired 72F when it is 105F outside. The best solution is to add a 24,000 BTU to give you additional cooling power and only turn it on when you need it.

Usually the outside compressor and inside evaporator are obviously then mounted on opposite sides of the wall very close to one another.

The high seer minisplit units such as 20-seer use inverter technology to use even less electricity than the standard 30-Seer units. The 20-Seer units are also more expensive though. It might take a few years before your energy savings exceed the extra price that you paid for the unit though.

Multiroom units can come as 2-1 or 3-1 are very expensive. It is cheaper to buy 2 full units then it is to buy one two room unit.


Buy EcoBreeze and get Hitachi quality, save 50% to 70% on the cost of the unit and installation and 30% on your air conditioning bill.