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Home > Dryer Duct Booster Fans > Commercial Capacity Dryer Duct Booster Fan

Commercial Capacity Dryer Duct Booster Fan

Tjernlund
Dryer Duct Booster Fans
Commercial Capacity Dryer Duct Booster Fan

Use this indoor mount commercial dryer duct booster for up to 4 laundromat capacity dryers (up to 1000 CFM).  This fan allows you to overcome exhaust vent design restrictions.  This dryer booster fan is a great solution to ducting commercial dryers to the outside without having to cut individual holes through each dryer.

The CDB8 was designed specifically to aid the exhaust velocity of commercial capacity clothes dryers. Often times multiple clothes dryers share a common duct or a large clothes dryer exhausts into a long duct run where maintaining the transport velocity for the lint to remain suspended in the air stream is difficult. This causes lint build-up within the duct and dryer resulting in increased drying time, wasted energy and more frequent duct cleanings.

The removal of the lint from the duct system can be a frequent and often times expensive task. The CDB8 is designed to boost the velocity within the duct so the lint is expelled to the outdoors or defined lint collection points. The CDB8 is designed to work on vertical and horizontal clothes dryer duct systems and can be part of a new or retrofit installation. A unique housing design with the inlet collar and outlet collar on the same plane allows the CDB8 to be used as a 90 degree elbow or with the addition of the IEK8 In-line Elbow Kit, can be installed in-line in a straight duct run.

Features:

  • Modulating exhaust reduces drying times, saving energy
  • Maintains exhaust velocity to reduce lint build-up
  • Single roof penetration for multiple dryers
  • Temp activated motor cooling fan
  • For both wall and roof terminated dryer exhaust

Specifications:

  • Motor HP: 1/2
  • Motor Amps: 6.2
  • Motor Volts: 120
  • 8 inlet/outlet connections
  • Dimensions: 22 1/2" Length x 15 7/8" Width, 16 1/8" Height
  • Weight: 25.5 pounds
  • Warranty: 1 year

Download the Commercial Dryer Duct Booster CDB8 Installation Instructions
Download the CDB8 Submittal Data Sheet

Selecting the proper commercial Dryer Duct Booster Duct Size

Dryers operate most efficiently when exhaust velocities between 1200-2200 feet-per-minute (FPM) are maintained. The number of co-ducted dryers operating, exhaust fan model selection and the diameter and length of the common exhaust duct can dramatically affect exhaust velocity.

Over sizing the exhaust manifold will reduce velocities and allow more opportunity for lint to drop out of the exhaust stream. Undersized or excessively long exhaust manifolds will increase drying time and operating costs. COP controller set point adjustments will allow velocities to be fine tuned.

Common exhaust manifold sizing and Dryer Booster Fan selection
1. Based on the CFM total for all connected dryers find the Total Dryer CFM value in the left column of the table equal to or greater than that CFM and determine the common manifold minimum or maximum duct diameter.

2. Trace to the right to select the Dryer Booster and determine the maximum equivalent length of common duct based upon your choice of either the minimum or maximum duct diameter.

Example: 4 Dryers @ 225 CFM/ea
4 x 225 = 900 Total Dryer CFM
Minimum duct diameter at 900 CFM is 9 inches
Maximum duct diameter at 900 CFM is 12 inches

Installing a common duct sized between 9 and 12 is the optimal size range for maintaining a proper velocity across all operating conditions. Trace to the right to select the Dryer Booster and maximum equivalent feet of common duct based on your duct diameter choice.


commercial-dryer-duct-booster.html
$979.00
Commercial Capacity Dryer Duct Booster Fan
Commercial Capacity Dryer Duct Booster FanCommercial Capacity Dryer Duct Booster FanCommercial Capacity Dryer Duct Booster FanCommercial Capacity Dryer Duct Booster Fan
Item #TJE CDB8
AvailabilityUsually ships in 3-5 business days
Sale Price$979.00
Quantity


Description

Use this indoor mount commercial dryer duct booster for up to 4 laundromat capacity dryers (up to 1000 CFM).  This fan allows you to overcome exhaust vent design restrictions.  This dryer booster fan is a great solution to ducting commercial dryers to the outside without having to cut individual holes through each dryer.

The CDB8 was designed specifically to aid the exhaust velocity of commercial capacity clothes dryers. Often times multiple clothes dryers share a common duct or a large clothes dryer exhausts into a long duct run where maintaining the transport velocity for the lint to remain suspended in the air stream is difficult. This causes lint build-up within the duct and dryer resulting in increased drying time, wasted energy and more frequent duct cleanings.

The removal of the lint from the duct system can be a frequent and often times expensive task. The CDB8 is designed to boost the velocity within the duct so the lint is expelled to the outdoors or defined lint collection points. The CDB8 is designed to work on vertical and horizontal clothes dryer duct systems and can be part of a new or retrofit installation. A unique housing design with the inlet collar and outlet collar on the same plane allows the CDB8 to be used as a 90 degree elbow or with the addition of the IEK8 In-line Elbow Kit, can be installed in-line in a straight duct run.

Features:

  • Modulating exhaust reduces drying times, saving energy
  • Maintains exhaust velocity to reduce lint build-up
  • Single roof penetration for multiple dryers
  • Temp activated motor cooling fan
  • For both wall and roof terminated dryer exhaust

Specifications:

  • Motor HP: 1/2
  • Motor Amps: 6.2
  • Motor Volts: 120
  • 8 inlet/outlet connections
  • Dimensions: 22 1/2" Length x 15 7/8" Width, 16 1/8" Height
  • Weight: 25.5 pounds
  • Warranty: 1 year

Download the Commercial Dryer Duct Booster CDB8 Installation Instructions
Download the CDB8 Submittal Data Sheet

Selecting the proper commercial Dryer Duct Booster Duct Size

Dryers operate most efficiently when exhaust velocities between 1200-2200 feet-per-minute (FPM) are maintained. The number of co-ducted dryers operating, exhaust fan model selection and the diameter and length of the common exhaust duct can dramatically affect exhaust velocity.

Over sizing the exhaust manifold will reduce velocities and allow more opportunity for lint to drop out of the exhaust stream. Undersized or excessively long exhaust manifolds will increase drying time and operating costs. COP controller set point adjustments will allow velocities to be fine tuned.

Common exhaust manifold sizing and Dryer Booster Fan selection
1. Based on the CFM total for all connected dryers find the Total Dryer CFM value in the left column of the table equal to or greater than that CFM and determine the common manifold minimum or maximum duct diameter.

2. Trace to the right to select the Dryer Booster and determine the maximum equivalent length of common duct based upon your choice of either the minimum or maximum duct diameter.

Example: 4 Dryers @ 225 CFM/ea
4 x 225 = 900 Total Dryer CFM
Minimum duct diameter at 900 CFM is 9 inches
Maximum duct diameter at 900 CFM is 12 inches

Installing a common duct sized between 9 and 12 is the optimal size range for maintaining a proper velocity across all operating conditions. Trace to the right to select the Dryer Booster and maximum equivalent feet of common duct based on your duct diameter choice.


Commercial Capacity Dryer Duct Booster Fan

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