ECOM Symbol ECOM Symbol

5DDD18EB w/BS D/blast Roof Fan

18.5" Direct Drive Downblast, 3/4 HP, 1110 RPM, 120V, w/BS

Item Number: 47403

• All ventilators are UL 705 Standard listed
• One-piece removable exhaust hood
• Inlet temperatures up to 170°F
• Backward inclined aluminum fan wheel
• Equipped with a built-in bird screen to protect discharge
• Externally cooled motor compartment
Application

Direct-drive downblast ventilators are designed for use where steady exhaust ventilation is needed under low to moderate static pressure conditions. Ventilators can be mounted on the roof or wall.

Design

All models are equipped with a backward inclined aluminum fan wheel and a speed controllable motor.

Certification

All models are UL 705 listed.

Technical parameters

Norminal data
Voltage (nominal) 115 V
Rated voltage 115 to 230 V
Frequency 60 Hz
Phase(s) 1~
Input power 981 W
Input current 5 A
Impeller speed 1,106 r.p.m.
Air flow max 4,030 cfm
Temperature of transported air max 170 °F
Protection/Classification
Enclosure class, motor IP54
Insulation class B
Certificate AMCA Air, AMCA Sound, UL Standard 705 & 762, Complies with NFPA 96
Dimensions and weights
Weight 91 lb
Images Wiring - 5DDD18EB w/BS D/blast Roof Fan - Fantech
Images Dimensions - 5DDD18EB w/BS D/blast Roof Fan - Fantech
Model A B C D

5DDD 085A

19

18 7/8

13 1/4

3 1/2

5DDD 106A

19

22 3/8

16 1/2

3 3/8

5DDD 10AA

19

22 3/8

16 1/2

3 3/8

5DDD 12CA

22

24 1/4

17 1/8

4

5DDD 13DB

22

25 5/8

18 1/8

4 3/8

5DDD 15CA

26

27 7/8

18 1/2

4 3/8

5DDD 16DB

26

29 3/4

20 1/4

4 3/4

5DDD 18EB

30

31 5/8

21 3/8

5 5/8

Dimensions in inches

5ACC 01MS Motor Disc. Switch - Fantech Item Number: 47182 5ACC 01MS Motor Disc. Switch

NEMA I Disconnect Switch 2 Pole

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5ACC23RD Roof Mount Damper - Fantech Item Number: 47215 5ACC23RD Roof Mount Damper

23"x23" square damper

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5ACC28FS Fixed Non-Vented Curb - Fantech Item Number: 47221 5ACC28FS Fixed Non-Vented Curb

Fixed Curb 30" Sq Base Ventilator,8" H,25.5" Sq,28.5" Outer

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5ACC28FT Fixed Non-Vented Curb - Fantech Item Number: 47222 5ACC28FT Fixed Non-Vented Curb

Fixed Curb 30" Sq Base Ventilator,12" H,25.5" Sq,28.5" Outer

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