ECOM Symbol ECOM Symbol

5BDD13DB-A Downblast Roof Fan

13" Belt Drive Downblast Roof Fan, 1/2 HP, 115/230v, 1~

Item Number: 46905

• All ventilators are UL 705 Standard listed
• Durable spun aluminum construction with steel support braces
• 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

Roof mounted belt drive downblast ventilators are designed to exhaust air out of commercial and industrial buildings. All models are for roof mounting only. Motor and wheel are easily detachable without removing ventilator from curb. Permanently lubricated ball bearings (5BDD10 - 5BDD13) and regreasable pillow block bearings (5BDD15 - 5BDD24).

Welded curb cap corners eliminate water entry into ducts or building. Ball bearing motors and variable pitch drives are packed separately when ordered with ventilators.

Technical parameters

Norminal data
Voltage (nominal) 120 V
Rated voltage 120 to 230 V
Frequency 60 Hz
Phase(s) 1~
Input power 373 W
Nominal power at shaft (P2) 0.5 hp
Input current 4.2 A
Impeller speed 1,397 r.p.m.
Air flow max 1,920 cfm
Temperature of transported air max 170 °F
Max temperature of transported air, when speed controlled 170 °F
Dimensions and weights
Weight 89 lb
Images Wiring - 5BDD13DB-A Downblast Roof Fan - Fantech
Images Dimensions - 5BDD13DB-A Downblast Roof Fan - Fantech
Model A B C D E

5BDD 10BB-A

19

25 3/4

22 7/8

3

1 1/2

5BDD 12CB-A

22

28

23 3/8

3

1 1/2

5BDD 13DB-A

22

29 3/4

24 5/8

3 1/4

1 1/2

5BDD 15DB-A

26

31 11/16

27 3/8

3 3/4

1 1/2

5BDD 16EB-A

26

33 11/16

27 3/4

4 3/16

1 1/2

5BDD 18FB-A

30

36

29 5/8

4 3/4

1 1/2

5BDD 20GB-A

30

38 1/4

30 1/4

5 1/4

1 1/2

5BDD 24GB-A

34

44 1/4

33

6 11/16

1 1/2

5BDD 24HX-A

34

44 1/4

33

6 11/16

1 1/2

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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5ACC15RD Roof Mount Damper - Fantech Item Number: 47203 5ACC15RD Roof Mount Damper

15"x15" square damper

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5ACC20FS Fixed Non-Vented Curb - Fantech Item Number: 47212 5ACC20FS Fixed Non-Vented Curb

Curb,Roof,8"H,Non Vented,20.5" Sq,17.5 Inside Sq

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5ACC20FT Fixed Non-Vented Curb - Fantech Item Number: 47213 5ACC20FT Fixed Non-Vented Curb

Fixed Curb 22" Sq Base Ventilator,12" H,17.5" Sq,20.5 Outer

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