WM Light Dep Exhaust Fan

Using light deprivation to control plant growth and blooming is a trending strategy for short-day plants, such as cannabis and poinsettias. Without the proper ventilation during the light deprivation stage, heat, mold, and disease can quickly destroy your crop setting you back a whole season. J&D’s WM Light Dep Fan is a crucial piece of your greenhouse light deprivation system for healthy, robust, and profitable blooms.
Features:
  • Allows for bigger, higher quality, larger profit, flowers
  • Full range of sizes, even ones for small greenhouses
  • Test data is for fan with light trap enabling dependable and accurate air exchange calculations
  • Fan with light trap mounts flush to the interior of the building freeing up valuable space in your greenhouse and eliminating a protruding ledge that can collect debris and possible pathogens
  • 1.5 million:1 light reduction factor
  • Washable
  • Easy to assemble
Applications:
Greenhouse
Poultry
Part # Size Output (CFM) HP Volts Amps NP Hz Ph Spd RPM Drive Prop Test # Cord Speed Control Compatible VFD Compatible Fixed or Portable Oscillating CFM@ .0" SP CFM/ Watt @ .0 SP CFM@ .05" SP CFM/ Watt @ .05" SP CFM@ .10" SP CFM/ Watt @ .10" SP CFM@ .15" SP CFM/ Watt @ .15" SP CFM@ .20" SP CFM/ Watt @ .20" SP Air Flow Ratio Rough-In Dimensions Shutter Cone Net Wt Housing Material Housing Color Guard material and coating Guard Color Guard Spacing Blade Material Blade Color Component Certifications
Part # Size Output (CFM) HP Volts Amps NP Hz Ph Spd RPM Drive Prop Test # Cord Speed Control Compatible VFD Compatible Fixed or Portable Oscillating CFM@ .0" SP CFM/ Watt @ .0 SP CFM@ .05" SP CFM/ Watt @ .05" SP CFM@ .10" SP CFM/ Watt @ .10" SP CFM@ .15" SP CFM/ Watt @ .15" SP CFM@ .20" SP CFM/ Watt @ .20" SP Air Flow Ratio Rough-In Dimensions Shutter Cone Net Wt Housing Material Housing Color Guard material and coating Guard Color Guard Spacing Blade Material Blade Color Component Certifications
WM Light Dep Exhaust Fan, Single Phase
VF24DMLT1 24" 4267 1 1 Direct 3-Alm Fixed Non 4267 10.6
VF30DMLT1 30" 6216 1 1 Direct 3-Alm Fixed Non 6216 11.0
VF36GGLT1 36" 10948 1 1 Belt 4-Glv Fixed Non 999 9.4
VF42GGLT1 42" 13064 1 1 Belt 3-Glv Fixed Non 400 10.4
VF50GGLT1 50" 19717 1 1 Belt 3-Glv Fixed Non 197 10.5
WM Light Dep Exhaust Fan, Three Phase
VF24DMLT3 24" 4457 3 1 Direct 3-Alm Fixed Non 4457 10.7
VF30DMLT3 30" 6259 3 1 Direct 3-Alm 6259 12.1
VF36GGLT3 36" 11044 3 1 Belt 4-Glv Fixed Non 100 9.9
VF42GGLT3 42" 13957 3 1 Belt 3-Glv 139 10.4
VF50GGLT3 50" 22038 3 1 Belt 3-Glv Fixed Non 399 10.1
Gold Star Motor WM Light Dep Exhaust Fan, Single Phase
VF24DMLT1-GS 24" 4854 1 1 Direct 4-Ply Fixed Non 4854 7.8
VF30DMLT1-GS 30" 6551 1 1 Direct 3-Alm Fixed Non 6551 10.4
Gold Star Motor WM Light Dep Exhaust Fan, Three Phase
VF24DMLT3-GS 24" 4252 3 1 Direct 3-Glv Fixed Non 4252 9.0
VF30DMLT3-GS 30" 6645 3 1 Direct 3-Alm Fixed Non 6645 10.0
Part #
VF24DMLT1
WM Light Dep Exhaust Fan, Single Phase
Details
WM Light Dep Exhaust Fan, 1PH, 24"
Size
24"
Output (CFM)
4267
HP
Volts
Amps NP
Hz
Ph
1
Spd
1
RPM
Drive
Direct
Prop
3-Alm
Test #
Cord
Speed Control Compatible
VFD Compatible
Fixed or Portable
Fixed
Oscillating
Non
CFM@ .0" SP
CFM/ Watt @ .0 SP
CFM@ .05" SP
CFM/ Watt @ .05" SP
CFM@ .10" SP
4267
CFM/ Watt @ .10" SP
10.6
CFM@ .15" SP
CFM/ Watt @ .15" SP
CFM@ .20" SP
CFM/ Watt @ .20" SP
Air Flow Ratio
Rough-In Dimensions
Shutter
Cone
Net Wt
Housing Material
Housing Color
Guard material and coating
Guard Color
Guard Spacing
Blade Material
Blade Color
Component Certifications
Part #
VF30DMLT1
WM Light Dep Exhaust Fan, Single Phase
Details
WM Light Dep Exhaust Fan, 1PH, 30"
Size
30"
Output (CFM)
6216
HP
Volts
Amps NP
Hz
Ph
1
Spd
1
RPM
Drive
Direct
Prop
3-Alm
Test #
Cord
Speed Control Compatible
VFD Compatible
Fixed or Portable
Fixed
Oscillating
Non
CFM@ .0" SP
CFM/ Watt @ .0 SP
CFM@ .05" SP
CFM/ Watt @ .05" SP
CFM@ .10" SP
6216
CFM/ Watt @ .10" SP
11.0
CFM@ .15" SP
CFM/ Watt @ .15" SP
CFM@ .20" SP
CFM/ Watt @ .20" SP
Air Flow Ratio
Rough-In Dimensions
Shutter
Cone
Net Wt
Housing Material
Housing Color
Guard material and coating
Guard Color
Guard Spacing
Blade Material
Blade Color
Component Certifications
Part #
VF36GGLT1
WM Light Dep Exhaust Fan, Single Phase
Details
WM Light Dep Exhaust Fan, 1PH, 36"
Size
36"
Output (CFM)
10948
HP
Volts
Amps NP
Hz
Ph
1
Spd
1
RPM
Drive
Belt
Prop
4-Glv
Test #
Cord
Speed Control Compatible
VFD Compatible
Fixed or Portable
Fixed
Oscillating
Non
CFM@ .0" SP
CFM/ Watt @ .0 SP
CFM@ .05" SP
CFM/ Watt @ .05" SP
CFM@ .10" SP
999
CFM/ Watt @ .10" SP
9.4
CFM@ .15" SP
CFM/ Watt @ .15" SP
CFM@ .20" SP
CFM/ Watt @ .20" SP
Air Flow Ratio
Rough-In Dimensions
Shutter
Cone
Net Wt
Housing Material
Housing Color
Guard material and coating
Guard Color
Guard Spacing
Blade Material
Blade Color
Component Certifications
Part #
VF42GGLT1
WM Light Dep Exhaust Fan, Single Phase
Details
WM Light Dep Exhaust Fan, 1PH, 42"
Size
42"
Output (CFM)
13064
HP
Volts
Amps NP
Hz
Ph
1
Spd
1
RPM
Drive
Belt
Prop
3-Glv
Test #
Cord
Speed Control Compatible
VFD Compatible
Fixed or Portable
Fixed
Oscillating
Non
CFM@ .0" SP
CFM/ Watt @ .0 SP
CFM@ .05" SP
CFM/ Watt @ .05" SP
CFM@ .10" SP
400
CFM/ Watt @ .10" SP
10.4
CFM@ .15" SP
CFM/ Watt @ .15" SP
CFM@ .20" SP
CFM/ Watt @ .20" SP
Air Flow Ratio
Rough-In Dimensions
Shutter
Cone
Net Wt
Housing Material
Housing Color
Guard material and coating
Guard Color
Guard Spacing
Blade Material
Blade Color
Component Certifications
Part #
VF50GGLT1
WM Light Dep Exhaust Fan, Single Phase
Details
WM Light Dep Exhaust Fan, 1PH, 50"
Size
50"
Output (CFM)
19717
HP
Volts
Amps NP
Hz
Ph
1
Spd
1
RPM
Drive
Belt
Prop
3-Glv
Test #
Cord
Speed Control Compatible
VFD Compatible
Fixed or Portable
Fixed
Oscillating
Non
CFM@ .0" SP
CFM/ Watt @ .0 SP
CFM@ .05" SP
CFM/ Watt @ .05" SP
CFM@ .10" SP
197
CFM/ Watt @ .10" SP
10.5
CFM@ .15" SP
CFM/ Watt @ .15" SP
CFM@ .20" SP
CFM/ Watt @ .20" SP
Air Flow Ratio
Rough-In Dimensions
Shutter
Cone
Net Wt
Housing Material
Housing Color
Guard material and coating
Guard Color
Guard Spacing
Blade Material
Blade Color
Component Certifications
Part #
VF24DMLT3
WM Light Dep Exhaust Fan, Three Phase
Details
WM Light Dep Exhaust Fan, 3PH, 24"
Size
24"
Output (CFM)
4457
HP
Volts
Amps NP
Hz
Ph
3
Spd
1
RPM
Drive
Direct
Prop
3-Alm
Test #
Cord
Speed Control Compatible
VFD Compatible
Fixed or Portable
Fixed
Oscillating
Non
CFM@ .0" SP
CFM/ Watt @ .0 SP
CFM@ .05" SP
CFM/ Watt @ .05" SP
CFM@ .10" SP
4457
CFM/ Watt @ .10" SP
10.7
CFM@ .15" SP
CFM/ Watt @ .15" SP
CFM@ .20" SP
CFM/ Watt @ .20" SP
Air Flow Ratio
Rough-In Dimensions
Shutter
Cone
Net Wt
Housing Material
Housing Color
Guard material and coating
Guard Color
Guard Spacing
Blade Material
Blade Color
Component Certifications
Part #
VF30DMLT3
WM Light Dep Exhaust Fan, Three Phase
Details
WM Light Dep Exhaust Fan, 3PH, 30"
Size
30"
Output (CFM)
6259
HP
Volts
Amps NP
Hz
Ph
3
Spd
1
RPM
Drive
Direct
Prop
3-Alm
Test #
Cord
Speed Control Compatible
VFD Compatible
Fixed or Portable
Oscillating
CFM@ .0" SP
CFM/ Watt @ .0 SP
CFM@ .05" SP
CFM/ Watt @ .05" SP
CFM@ .10" SP
6259
CFM/ Watt @ .10" SP
12.1
CFM@ .15" SP
CFM/ Watt @ .15" SP
CFM@ .20" SP
CFM/ Watt @ .20" SP
Air Flow Ratio
Rough-In Dimensions
Shutter
Cone
Net Wt
Housing Material
Housing Color
Guard material and coating
Guard Color
Guard Spacing
Blade Material
Blade Color
Component Certifications
Part #
VF36GGLT3
WM Light Dep Exhaust Fan, Three Phase
Details
WM Light Dep Exhaust Fan, 3PH, 36"
Size
36"
Output (CFM)
11044
HP
Volts
Amps NP
Hz
Ph
3
Spd
1
RPM
Drive
Belt
Prop
4-Glv
Test #
Cord
Speed Control Compatible
VFD Compatible
Fixed or Portable
Fixed
Oscillating
Non
CFM@ .0" SP
CFM/ Watt @ .0 SP
CFM@ .05" SP
CFM/ Watt @ .05" SP
CFM@ .10" SP
100
CFM/ Watt @ .10" SP
9.9
CFM@ .15" SP
CFM/ Watt @ .15" SP
CFM@ .20" SP
CFM/ Watt @ .20" SP
Air Flow Ratio
Rough-In Dimensions
Shutter
Cone
Net Wt
Housing Material
Housing Color
Guard material and coating
Guard Color
Guard Spacing
Blade Material
Blade Color
Component Certifications
Part #
VF42GGLT3
WM Light Dep Exhaust Fan, Three Phase
Details
WM Light Dep Exhaust Fan, 3PH, 42"
Size
42"
Output (CFM)
13957
HP
Volts
Amps NP
Hz
Ph
3
Spd
1
RPM
Drive
Belt
Prop
3-Glv
Test #
Cord
Speed Control Compatible
VFD Compatible
Fixed or Portable
Oscillating
CFM@ .0" SP
CFM/ Watt @ .0 SP
CFM@ .05" SP
CFM/ Watt @ .05" SP
CFM@ .10" SP
139
CFM/ Watt @ .10" SP
10.4
CFM@ .15" SP
CFM/ Watt @ .15" SP
CFM@ .20" SP
CFM/ Watt @ .20" SP
Air Flow Ratio
Rough-In Dimensions
Shutter
Cone
Net Wt
Housing Material
Housing Color
Guard material and coating
Guard Color
Guard Spacing
Blade Material
Blade Color
Component Certifications
Part #
VF50GGLT3
WM Light Dep Exhaust Fan, Three Phase
Details
WM Light Dep Exhaust Fan, 3PH, 50"
Size
50"
Output (CFM)
22038
HP
Volts
Amps NP
Hz
Ph
3
Spd
1
RPM
Drive
Belt
Prop
3-Glv
Test #
Cord
Speed Control Compatible
VFD Compatible
Fixed or Portable
Fixed
Oscillating
Non
CFM@ .0" SP
CFM/ Watt @ .0 SP
CFM@ .05" SP
CFM/ Watt @ .05" SP
CFM@ .10" SP
399
CFM/ Watt @ .10" SP
10.1
CFM@ .15" SP
CFM/ Watt @ .15" SP
CFM@ .20" SP
CFM/ Watt @ .20" SP
Air Flow Ratio
Rough-In Dimensions
Shutter
Cone
Net Wt
Housing Material
Housing Color
Guard material and coating
Guard Color
Guard Spacing
Blade Material
Blade Color
Component Certifications
Part #
VF24DMLT1-GS
Gold Star Motor WM Light Dep Exhaust Fan, Single Phase
Details
Gold Star Motor WM Light Dep Exhaust Fan, 1PH, 24"
Size
24"
Output (CFM)
4854
HP
Volts
Amps NP
Hz
Ph
1
Spd
1
RPM
Drive
Direct
Prop
4-Ply
Test #
Cord
Speed Control Compatible
VFD Compatible
Fixed or Portable
Fixed
Oscillating
Non
CFM@ .0" SP
CFM/ Watt @ .0 SP
CFM@ .05" SP
CFM/ Watt @ .05" SP
CFM@ .10" SP
4854
CFM/ Watt @ .10" SP
7.8
CFM@ .15" SP
CFM/ Watt @ .15" SP
CFM@ .20" SP
CFM/ Watt @ .20" SP
Air Flow Ratio
Rough-In Dimensions
Shutter
Cone
Net Wt
Housing Material
Housing Color
Guard material and coating
Guard Color
Guard Spacing
Blade Material
Blade Color
Component Certifications
Part #
VF30DMLT1-GS
Gold Star Motor WM Light Dep Exhaust Fan, Single Phase
Details
Gold Star Motor WM Light Dep Exhaust Fan, 1PH, 30"
Size
30"
Output (CFM)
6551
HP
Volts
Amps NP
Hz
Ph
1
Spd
1
RPM
Drive
Direct
Prop
3-Alm
Test #
Cord
Speed Control Compatible
VFD Compatible
Fixed or Portable
Fixed
Oscillating
Non
CFM@ .0" SP
CFM/ Watt @ .0 SP
CFM@ .05" SP
CFM/ Watt @ .05" SP
CFM@ .10" SP
6551
CFM/ Watt @ .10" SP
10.4
CFM@ .15" SP
CFM/ Watt @ .15" SP
CFM@ .20" SP
CFM/ Watt @ .20" SP
Air Flow Ratio
Rough-In Dimensions
Shutter
Cone
Net Wt
Housing Material
Housing Color
Guard material and coating
Guard Color
Guard Spacing
Blade Material
Blade Color
Component Certifications
Part #
VF24DMLT3-GS
Gold Star Motor WM Light Dep Exhaust Fan, Three Phase
Details
Gold Star Motor WM Light Dep Exhaust Fan, 3PH, 24"
Size
24"
Output (CFM)
4252
HP
Volts
Amps NP
Hz
Ph
3
Spd
1
RPM
Drive
Direct
Prop
3-Glv
Test #
Cord
Speed Control Compatible
VFD Compatible
Fixed or Portable
Fixed
Oscillating
Non
CFM@ .0" SP
CFM/ Watt @ .0 SP
CFM@ .05" SP
CFM/ Watt @ .05" SP
CFM@ .10" SP
4252
CFM/ Watt @ .10" SP
9.0
CFM@ .15" SP
CFM/ Watt @ .15" SP
CFM@ .20" SP
CFM/ Watt @ .20" SP
Air Flow Ratio
Rough-In Dimensions
Shutter
Cone
Net Wt
Housing Material
Housing Color
Guard material and coating
Guard Color
Guard Spacing
Blade Material
Blade Color
Component Certifications
Part #
VF30DMLT3-GS
Gold Star Motor WM Light Dep Exhaust Fan, Three Phase
Details
Gold Star Motor WM Light Dep Exhaust Fan, 3PH, 30"
Size
30"
Output (CFM)
6645
HP
Volts
Amps NP
Hz
Ph
3
Spd
1
RPM
Drive
Direct
Prop
3-Alm
Test #
Cord
Speed Control Compatible
VFD Compatible
Fixed or Portable
Fixed
Oscillating
Non
CFM@ .0" SP
CFM/ Watt @ .0 SP
CFM@ .05" SP
CFM/ Watt @ .05" SP
CFM@ .10" SP
6645
CFM/ Watt @ .10" SP
10.0
CFM@ .15" SP
CFM/ Watt @ .15" SP
CFM@ .20" SP
CFM/ Watt @ .20" SP
Air Flow Ratio
Rough-In Dimensions
Shutter
Cone
Net Wt
Housing Material
Housing Color
Guard material and coating
Guard Color
Guard Spacing
Blade Material
Blade Color
Component Certifications
What is the purpose of ventilation?

Ventilation helps to maintain a healthy environment by regulating moisture and humidity, controlling temperatures, removing fumes and odors, and exchanging fresh air for humans and animals to maximize productivity.

How does heat stress effect animals?

Heat stress in animals is a very serious condition that can lead to a decrease in appetite, loss of milk or egg production, shutdown of the reproduction system, diminished nutrient absorption, poor growth and even death in extreme cases.

What should I consider when buying a ventilation fan?

There are many important factors to consider when purchasing a fan. Besides cost, you should also consider the efficiency of the fan, the noise level, and the energy use. Many ventilation fans have a lower upfront price tag, but will cost you more over time by consuming large amounts of energy.

What type of ventilation system is available for my dairy farm?

J&D has numerous options for your dairy ventilation system including natural, recirculation, tunnel, and cross-tunnel ventilation. In addition to these basic ventilation types, evaporative pad cooling, soaking, misting, fogging and mechanical ventilation can all be intermixed to maximize the cooling capacity of your system.

What is natural ventilation?

A Natural Ventilation System relies only on wind to cool your barn using open side walls or curtain side walls.

Advantages: low investment cost, low electrical operating cost, zero fan noise, easy management and operation, bright and airy work space, animals will not be affected by power failures.

Disadvantages: little to no temperature and air exchange control, no insect control, radiant sun increases temperature on outside stalls, precise building location is required to maximize wind direction.

What is tunnel ventilation?

A Tunnel Ventilation System uses a series of exhaust fans on the short end of your building with inlets located on the opposite end. Air enters the building through the inlets where it is pulled down the length of your building like a wind tunnel and exhausted out the opposite end. The exhaust fans create air exchange and a high velocity air movement.

Advantages: insect control, consistent environment, proper temperature, humidity and odor control, keeps bedding and floors dry.

Disadvantages: higher investment cost when compared to natural ventilation, very little natural light, not suitable for year round use without a fresh air system due to inadequate fresh air distribution during cool winter ventilation conditions.

What is cross-tunnel ventilation?

Cross Tunnel Ventilation is very similar to Tunnel Ventilation whereas a series of exhaust fans and inlets are used on the walls of your building. With Cross Tunnel Ventilation, the exhaust fans and inlets are located on the long sides of your building instead of the short sides. The air is pulled through the width of your building instead of through the length like it is with regular Tunnel Ventilation.

Advantages: building ends can be used for necessary overhead doors, insect control, consistent environment, proper temperature, humidity and odor control, keeps bedding and floors dry.

Disadvantages: higher investment cost when compared to natural ventilation, very little natural light, not suitable for year round use due to inadequate fresh air distribution during cool winter ventilation conditions.

What is recirculation ventilation?

Recirculation Ventilation uses a series of recirculation fans that are positioned to blow air across the animals to create a cooling effect. When designed properly with an open or curtain side wall, you can also get an air exchange in the building.

Advantages: insect control, consistent environment, proper temperature, humidity and odor control, keeps bedding and floors dry

Disadvantages: higher installation and operating costs when compared to natural ventilation

How do I know which ventilation system is best for me?

Selecting a ventilation system depends on a number of factors including budget, building location and orientation, and your complete ventilation strategy. Call our ventilation experts at 1-800-998-2398 or e-mail us at jdmfg@jdmfg.com to help design the best system for you.

How do you size a building for proper ventilation?

J&D has knowledgable Engineering and Sales staff that can assist you in this process. We will design and recommend options to give you the most effective system. Call our ventilation experts at 1-800-998-2398 or e-mail us at jdmfg@jdmfg.com to help design the best system for you.

How do I properly maintain my ventilation fan to improve efficiency and increase the lifespan?

All fans should be cleaned regularly by removing accumulated dirt and debris on louvers, blades and motors to improve performance. Dirt that clogs your fan motor will cause it to run hot, and will reduce the life of your motor. You should also regularly check fan belts and keep them adjusted to factory specifications. Loose belts can cause belt slippage and will reduce the airflow of your fan.

When is the right time to add a cooling system to my ventilation system?

J&D recommends a cooling system when temperatures reach between 85° - 90° depending on your application.Why use a ceiling fan?

In the summer, a ceiling fan creates a mild wind chill to help cool the building. In the winter, a ceiling fan helps to mix the warm air that collects on the ceiling and in the peaks of most industrial and commercial buildings. By installing a ceiling fan, the warm air is recirculated back down to the floor level to help maintain a uniform temperature and save on heating costs.

How close together should I install my ceiling fans?

For preventing heat stratification, it will be depend on the height of the ceiling. With ceilings between 15' and 30', ceiling fans should be mounted to cover 4000 square feet of floor area. For cooling people during the hot summer months, fans should be placed 15' to 20' apart.

How do I wire my ventilation motor?

J&D recommends having all electrical work performed by a certified electrician. The electrician can find the wiring diagram on the motor label.

What is J&D’s warranty on your electric fan motors?

J&D offers a 2 year replacement warranty on all electric fan motors, unlike many of our competitors who offer only a one year warranty. Warranty is based on invoice date to the dealer, J&D does not cover freight or labor. POW14, POW18, POW18B, POW24OSC, POW30OSC, VBM60PSC-P, VBM148PSC-P, PDF24, and VRSM10-Power inlet motor carry a 1 year warranty. VR3E and VR33 motors (Mega Storm Fan) carry a 3 year warranty.