WDH roof fans

WDH roof fans
WDH fans comply with the EU energy efficiency requirements for fans and ventilation systems. They are high-performance fans with excellent air efficiency as well as enhanced noise level control and air flow adjustability according to current needs.
WDH fans with horizontal airflow are designed for use in locations where continuous mechanical ventilation is required, e.g. in production halls, warehouses, retail centres, shops, offices, etc.
The concentrations of corrosive vapours and gases or particulates in the exhaust air should not exceed the acceptable limits specified by environmental regulations.

Product description

WDH – fans with horizontal airflow in a square enclosure – 7 sizes from 31 to 63;
Components:
› High-performance rotor made from high-strength composite materials and provided with an integrated asynchronous electric motor;
› Enclosure manufactured in laminate;
› Bases made of galvanised steel sheets.
The fans are designed for installation on PU or PUT universal bases (with sound insulation).

Working conditions

WDH fans are provided with the following motors:

  • (AC/4J) single-phase asynchronous with five-step transformer speed control for sizes 31; 35; 40, 45 and 50;
  • (AC/4T) three-phase asynchronous with five-step transformer speed control for sizes 31; 35; 40; 45; 50, 56 and 63.
  • (EC/J) single-phase electronically commutated for sizes 31; 35; 40, 45; 
  • (EC/T) three-phase electronically commutated for sizes 35; 40; 45; 50, 56 i 63.

With the manufacturer’s agreement, WDH fans may be provided with a ~900-rpm 6-pole asynchronous motor wirh five-step transformer speed.

WDH-31-AC/4J

 

Motor type

RH31V-4EK.2F.VR

Supply voltage

1~230V/50Hz

Motor power [kW]

0,22

Current [A]

1,10

Revolutions [rpm]

1370

Minimum temperature [OC]

-15

Maximum temperature [OC]

+60

Compliance

ErP 2015, CE

WDH-31-AC/4J

Ød

[mm]  

A
[mm]  
B
[mm] 

ØD

[mm]  

 H
[mm]
Weight
[kg]
231 552  480 675 401 16,5
WDH-35-AC/4J

 

Motor type

RH35V-4EK.4F.VR

Supply voltage

1~230V/50Hz

Motor power [kW]

0,37

Current [A]

1,85

Revolutions [rpm]

1390

Minimum temperature [OC]

-15

Maximum temperature [OC]

+60

 

Compliance

ErP 2015, CE

WDH-35-AC/4J

Ød

[mm]  

A
[mm]  
B
[mm] 

ØD

[mm]  

 H
[mm]
Weight
[kg]
258 552  480 855 468 22,0
WDH-40-AC/4J

 

Motor type

RH40V-4EK.4I.VR

Supply voltage

1~230V/50Hz

Motor power [kW]

0,58

Current [A]

2,60

Revolutions [rpm]

1270

Minimum temperature [OC]

-15

Maximum temperature [OC]

+60

Compliance

ErP 2015, CE

WDH-40-AC/4J

Ød

[mm]  

A
[mm]  
B
[mm] 

ØD

[mm]  

 H
[mm]
Weight
[kg]
298 632 560 855 491 26,5
WDH-45-AC/4J

 

Motor type

RH45V-4EK.6K.VR

Supply voltage

1~230V/50Hz

Motor power [kW]

1,10

Current [A]

5,20

Revolutions [rpm]

1380

Minimum temperature [OC]

-15

Maximum temperature [OC]

+60

Compliance

ErP 2015, CE

WDH-45-AC/4J

Ød

[mm]  

A
[mm]  
B
[mm] 

ØD

[mm]  

 H
[mm]
Weight
[kg]
331 702 630 855 530 40,0
WDH-50-AC/4J

 

Motor type

RH50V-4EK.6N.VR

Supply voltage

1~230V/50Hz

Motor power [kW]

1,65

Current [A]

7,40

Revolutions [rpm]

1350

Minimum temperature [OC]

-15

Maximum temperature [OC]

+60

Compliance

ErP 2015, CE

WDH-50-AC/4J

Ød

[mm]  

A
[mm]  
B
[mm] 

ØD

[mm]  

 H
[mm]
Weight
[kg]
366 782 710 1220 568 51,0
WDH-31-AC/4T

 

Motor type

RH31V-4DK.2F.VR

Supply voltage

3~400V/50Hz

Motor power [kW]

0,21

Current [A]

0,50

Revolutions [rpm]

1390

Minimum temperature [OC]

-15

Maximum temperature [OC]

+60

Compliance

ErP 2015, CE

WDH-31-AC/4T

Ød

[mm]  

A
[mm]  
B
[mm] 

ØD

[mm]  

 H
[mm]
Weight
[kg]
231 552  480 675 401 16,5
WDH-35-AC/4T

 

Motor type

RH35V-4DK.4C.VR

Supply voltage

3~400V/50Hz

Motor power [kW]

0,33

Current [A]

0,68

Revolutions [rpm]

1380

Minimum temperature [OC]

-15

Maximum temperature [OC]

+60

Compliance

ErP 2015, CE

WDH-35-AC/4T

Ød

[mm]  

A
[mm]  
B
[mm] 

ØD

[mm]  

 H
[mm]
Weight
[kg]
258 552  480 855 468 22,0
WDH-40-AC/4T

 

Motor type

RH40V-4DK.4I.VR

Supply voltage

3~400V/50Hz

Motor power [kW]

0,54

Current [A]

1,20

Revolutions [rpm]

1290

Minimum temperature [OC]

-15

Maximum temperature [OC]

+60

Compliance

ErP 2015, CE

WDH-40-AC/4T

Ød

[mm]  

A
[mm]  
B
[mm] 

ØD

[mm]  

 H
[mm]
Weight
[kg]
298 632 560 855 491 26,5
WDH-45-AC/4J

 

Motor type

RH45V-4DK.6F.VR

Supply voltage

3~400V/50Hz

Motor power [kW]

1,0

Current [A]

1,95

Revolutions [rpm]

1370

Minimum temperature [OC]

-15

Maximum temperature [OC]

+60

Compliance

ErP 2015, CE

WDH-45-AC/4J

Ød

[mm]  

A
[mm]  
B
[mm] 

ØD

[mm]  

 H
[mm]
Weight
[kg]
331 702 630 855 530 40,0
WDH-50-AC/4T

 

Motor type

RH50V-4DK.6K.VR

Supply voltage

3~400V/50Hz

Motor power [kW]

1,45

Current [A]

2,80

Revolutions [rpm]

1280

Minimum temperature [OC]

-15

Maximum temperature [OC]

+60

Compliance

ErP 2015, CE

WDH-50-AC/4T

Ød

[mm]  

A
[mm]  
B
[mm] 

ØD

[mm]  

 H
[mm]
Weight
[kg]
366 782 710 1220 568 51,0
WDH-56-AC/4T

 

Motor type

RH56V-4DK.6N.VR

Supply voltage

3~400V/50Hz

Motor power [kW]

2,50

Current [A]

4,60

Revolutions [rpm]

1330

Minimum temperature [OC]

-15

Maximum temperature [OC]

+45

Compliance

ErP 2015, CE

WDH-56-AC/4T

Ød

[mm]  

A
[mm]  
B
[mm] 

ØD

[mm]  

 H
[mm]
Weight
[kg]
408 782 710 1220 603 54,5
WDH-63-AC/4T

 

Motor type

RH63V-4DK.7Q.VR

Supply voltage

3~400V/50Hz

Motor power [kW]

3,90

Current [A]

6,60

Revolutions [rpm]

1270

Minimum temperature [OC]

-15

Maximum temperature [OC]

+55

Compliance

ErP 2015, CE

WDH-63-AC/4T

Ød

[mm]  

A
[mm]  
B
[mm] 

ØD

[mm]  

 H
[mm]
Weight
[kg]
454 872 800 1220 642 74,0

Files to download

WDV WDH WDVO CATALOGUE SHEET pdf 14.12.2016 1,94MB
Fans control and automatics pdf 27.01.2017 1,98MB

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