Acme Engineering OFH18E Installation Manual

ACME ENGINEERING &

MANUFACTURING CORP.

P.O. Box 978
Muskogee, OK 74402
Phone: [phone]

Fax: [phone]
www.acmefan.com

Heavy Duty

Exhaust Fan

Model OFH

Designed for general ventilation. These
exhaust fans have aluminum blade propellers
and wire guards with baked-on gray polyester
finish for corrosion resistance.

Totally enclosed, 1725 RPM, 115V, 60 Hz,

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split phase motor

Not speed controllable.

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Performance

Model

OFH12E 12

OFH16E 16

OFH18E 18

OFH20E 20

OFH20F 20

OFH20G 20

OFH24F 24

OFH24G 24

Performance shown is for installation Type A, Free Inlet, Free Outlet. Speed (RPM) shown is nominal. Performance is based on
actual speed of test. Performance ratings include the effects of guard in the airstream. The sound ratings shown are loudness
values in fan sones at 5 ft. (1.5mm) in a hemispherical-free calculated per AMCA Standard 301. Values shown are for installation
Type A, Free Inlet and Fan sone levels.

Propeller

Dia. (In.)

0.0” 0.125” 0.250” 0.375” 0.500”

1275 1160 1000 755 460 1725 1/4 210 13.3

2657 2430 1960 1400 1150 1725 1/4 365 17.4

2792 2495 2110 1725 1320 1725 1/4 330 17.9

2935 2640 2340 1990 1580 1725 1/4 366 23

3558 3290 2905 2520 2050 1725 1/3 410 22

4169 3860 3570 3130 2620 1725 1/2 540 21

3710 3255 2750 2240 1655 1725 1/3 370 28

5180 4700 4150 3610 2920 1725 1/2 600 26

CFM Air Delivery

Motor

RPM

HP Watts

Sones

5 Ft.

.000”

SP

Acme Engineering & Manufacturing Corporation certifies that
the ventilators shown herein are licensed to bear the AMCAseal.
The ratings shown are based on tests and procedures
performed in accordance with AMCAPublication 211 and AMCA
Publication 311 and comply with the requirements of the AMCA
Certified Ratings Program.

U.L. 705 Listed

Consult your Acme representative for availability.

EXHAUSTERS

CEILING AND CABINET

EXHAUSTERS

IN-LINE CENTRIFUGAL

FANS

IN-LINE AXIAL FANSCENTRIFUGAL

PROPELLER

ROOF FANS

ROOF VENTS

WALL FANS

PLENUM FANS

UTILITY BLOWERS

BACKWARD

INCLINED/AIRFOIL

CENTRIFUGAL FANS

SUPPLY AIR FANSPROPELLER

CENTRIFUGAL

INDUSTRIAL

EXHAUSTERS

LIMITED WARRANTY Acme Engineering and Man
ufacturing Corporation extends this limited warranty
to the original purchaser and warrants that products
described hereinshall be free from original defects in
workmanship and materials for two years from date
of shipment(exceptfor Acme’s exclusive duplex split
pillow block bearings and shaft 5 years from ship
ment, belts one year from shipment, and polyethyl
ene tubing at 90 days from shipping), provided
same have been properly handled, stored, installed,
serviced, maintained and operated. Refer to Form
MS149 for complete limitedwarranty terms andcon
ditions. This form is available to anyone at
www.acmefan.com. The Company's warranty is in
lieu ofall other warranties, express orimplied, arising
by law or otherwise, including without limitation the
implied warranties of merchantability and fitness for
a particular purpose, which are hereby expressly dis
claimed claimed and waived.

ACME ENGINEERING &

MANUFACTURING CORP.

P.O. Box 978, Muskogee, Oklahoma 74402

Telephone: [phone] Fax: [phone]

www.acmefan.com e-mail: [e-mail]

Acme products are designed and manufactured to

­provide reliable performance but they are not guar
anteed to be 100% free of defects. Even reliable
products will experience occasional failures and this
possibility should be recognized by the Purchaser
and End User. If these products are used in a life
support ventilation system where failure could result

­in loss or injury, the Purchaser and End User should

­provide adequate back-up ventilation, supplemen

tary natural ventilation or failure alarm system, or ac
knowledge willingnessto accept the risk of such loss
or injury.

­WARNING DO NOT use in HAZARDOUS ENVI

RONMENTS where fan’s electrical system could
provide ignition to combustible or flammable materi
als unless unit isspecifically built forhazardous envi
ronments. Comply with all local and national safety

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codes including the National Electrical Code (NEC)
and National Fire Protection Act (NFPA). Guards

Member Air Movement and Control Association International, Inc.

must be installed when fan is within reach of person

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nel or within seven (7) feet (2.134 m) of workinglevel
or when deemed advisable for safety.

DISCLAIMER The Companyhas made a diligent ef
fort to illustrate and describe the products in this liter
ature accurately; however, such illustrations and
descriptions arefor the sole purposeof identification,
and do not express or imply a warranty that theprod

­ucts are merchantable, orfit fora particular purpose.

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INDEMNITY Purchaser acknowledges various

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warnings by the Company regarding the products
and its installation and use. If the Company incurs

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any claims, lawsuits, settlements, or expenses (in

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cluding attorney fees) for any loss, injury, death or
property damage including, but not limited to, claims
arising out of the Purchaser ’s or any end user’s in
stallation or use of the products, the Purchaser shall

April 2005 Form B216A

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