Contact Us
NingBo Dacheng Machinery & Electrical Co.,Ltd
Add: No.157 Shangyang Road, Yinzhou Area, Ningbo, Zhejiang
Contact Person: Mr Chen
Tel: +86-574-88232682
Tel: +86-574-88232883
Tel: +86-574-88232799
Mobile: +8613605884383
Fax: +86-574-88233109
Emaill: nbdc@dachengmotor.com
EC Fan Motor

EC Fan Motor

Application and Savings traditional fans used to move air across the evaporator and condenser coils typically utylize shaded pole (SP) or permanent split capacitor (PSC) motors, which tend to be extremely inefficient.The trend in recent years has been to replace these with ECM (Electronically...

Application and Savings

traditional fans used to move air across the evaporator and condenser coils typically utylize shaded pole (SP) or permanent split capacitor (PSC) motors, which tend to be extremely inefficient.The trend in recent years has been to replace these with ECM (Electronically Commutated Motor) motors that can reduce energy usage by 65% or more. RetroCool is an industry leader in retrofitting these motors into exiting refrigeration, air conditioning, and ventilation systems. 


ECM motors are available in sizes up to 2 horsepower for a wide range of applications. Those include:

● Walk-in box evaporator fans

● Reach-in case evaporator fans 

● HVAC evaporator fans

● Air-cooled condenser fans 

● Supply and exhaust air ventilation fans

ECM motors also lend themselves to variable speed drive applications, which can lead to even greater savings.


Thchnical Data

Nominal date

Voltage

Freq.

Speed

Output power

Pem.amb temo.

Weight

Max.Size Fan Blade

Type

Features

V

Hz

r/min

W

kg

mm

7108

Standard CW&CCW 2Speeds

AC115/230

50/60

1250-2300

5

-40℃-50℃

0.48

Φ200mmx28º

7112

Standard CW&CCW 2Speeds

AC115/230

50/60

1250-2300

15

-40℃-50℃

0.58

Φ254mmx28º

DC24

--

1250-2300

15

-40℃-50℃

7120

Standard CW&CCW 2Speeds

AC115/230

50/60

1250-2300

20

-40℃-50℃

0.71

Φ300mmx25º

DC24

--

1250-2300

20

-40℃-50℃

Universal Mounts

Bolts 2 @ 26mmCRS
Rear THreaded Holes 4 Holes @67.0 pcd or Holes @71.4pcd


Installation Dimensions
图片18_副本.jpg

Type

7108

7112

7120

A

83mm

87mm

95mm

B

37.8mm

41.8mm

49.8mm


Axial Impellers
图片19_副本.jpg

Model

B154

B172

B200

B230

B254

B300

A

154

172

200

230

254

300

22º

B

27

28

30

33

34

41

C

14

15

16

16

17

21

28º

B

34

35

37

41

42

54

C

17

16

19

21

21

28

34º

B

40

42

44

50

51

63

C

21

21

23

26

26

32


Mounting Bracket
图片20_副本.jpg

Model

A

B

B

B54

54

24

24

B72

72

24

24

B84

84

24

24

B109

109

39

39

B109

109

49

49


Wall Rings
图片21_副本.jpg

Model

R154

R172

R200

R230

R254

R300

Fan

154

172

200

230

254

300

A

200

223

246

276

300

356

B

190

208

233

266

290

344

C

164

180

212

238

262

310


Guard Grille

图片22_副本.jpg

Model

G154

G172

G200

G230

G254

G300

Fan

154

172

200

230

254

300

A

170

188

216

246

270

324

B

202

220

248

278

300

354

C

190

208

236

266

290

344

H

25

25

25

25

35

35

WHY CHOOSE US ?

1.Factory

2.Leading professional manufacturer of  motor.

3.Our factory owns a group of high quality and high-tech professional designers and staff members.

Our competitive Advantages of wheelchair motor

A) Cost advantage

We have our own workshop, metalprocess workshop and many other advanced machines. Key production parts are manufactured by ourselves.

B) Technological advantage

Our R&D center is provincial R&D Center. There are 4 Professor grade engineers and 6 senior engineers in our company.

C) Substantial experience and good service

We professionally produce motors and fans for more than 33 years. And we have done international trade for more than 15 years. So we can supply high quality products and services.

D) High cost performance

We have cost advantage, technological advantage and substantial experience. So our products have high cost performance. You can take the same cost purchase more better goods, or spend less for the same product.

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