Scribd
Upload
167 views1 page

Roof Exhaust Ventilator Specs

This document provides specifications for an ACRU-B model roof-mounted centrifugal exhaust ventilator with a backward inclined aluminum wheel. It has an aluminum housing, vibration isolators, permanently lubricated ball bearing motors, and corrosion resistant fasteners. Performance is certified for a free inlet and free outlet installation. It can move 1400 CFM of air at 0.5 inches of water column pressure using 0.307 kW of power.

Uploaded by

Jose Macias
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
167 views1 page

Roof Exhaust Ventilator Specs

This document provides specifications for an ACRU-B model roof-mounted centrifugal exhaust ventilator with a backward inclined aluminum wheel. It has an aluminum housing, vibration isolators, permanently lubricated ball bearing motors, and corrosion resistant fasteners. Performance is certified for a free inlet and free outlet installation. It can move 1400 CFM of air at 0.5 inches of water column pressure using 0.307 kW of power.

Uploaded by

Jose Macias
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
You are on page 1/ 1

ACRU-B

Upblast Centrifugal B
Exhaust Ventilator
Roof Mounted/Belt Drive
STANDARD CONSTRUCTION FEATURES:
All aluminum housing - Backward inclined all
aluminum wheel - Two piece top cap with stainless
steel quick release latches - One piece bottom
spinning - Welded curb cap corners - Birdscreen -
C
Vibration isolators - Lifting Lugs - Permanently A
lubricated ball bearing motors - Oil and heat
resistant, static conducting belts - Adjustable pitch
drives through 5 hp motor - Corrosion resistant
fasteners - Regreasable bearings in a cast iron pillow
G
block housing, rated at 200,000 hours average life - All
fans factory adjusted to specified fan RPM - Transit T Sq.
tested packaging. Standard motors ship factory Dimensions (inches)
installed. A 19-1/16
B 30-3/16
C 28-1/4
G 2
Performance T Sq. 20

Catalog Flow SP Fan Power Roof Open. Sq.* 15-1/2


Number (CFM) (inwc) RPM (KW) FEG NOTE: Accessories may affect dimensions shown.

Weight(lbs)*** Shipping 78 Unit 61


120R4B 1400 .500 1626 .307 -
***Estimate only - Includes fan and motor. Does not include accessories.
Altitude (ft):0 Temperature (°F):70

Sound Data Inlet Sound Power by Octave Band


1 2 3 4 5 6 7 8 LwA dBA Sones

75 86 82 74 67 68 62 57 78 66 15.6

Fan Curve
Loren Cook Company certifies that the ACRU shown herein is licensed to bear the AMCA 2.00 1.00
Seal. The ratings shown are based on tests and procedures performed in accordance with
AMCA Publication 211 and AMCA Publication 311 and comply with the requirements of the
AMCA Certified Ratings Program.

Performance certified is for installation type A: free inlet, free outlet. Power rating (BHP/kW)
does not include transmission losses. Performance ratings do not include the effects of 1.60 .800
appurtenances (accessories). The sound ratings shown are loudness values in hemispherical
sones at 5 ft. in a hemispherical free field calculated per AMCA Standard 301. Values shown
are for Installation type A: free inlet hemispherical sone levels.

The sound power level ratings shown are in decibels, referred to 10(-12) watts calculated per
Power (KW)

1.20 .600
SP (inwc)

AMCA Standard 301. Values shown are for inlet Lwi and LwiA sound power levels for
installation type A: free inlet, free outlet. Ratings do not include the effects of duct end
correction. The A-weighted sound ratings shown have been calculated per AMCA Standard
301. The dBA levels shown have been calculated for a distance of 5 ft in a hemispherical free
field. The AMCA Certified Ratings Seal applies to sone ratings only. Octave Band, LwA and
dBA levels are not AMCA International licensed.
0.80 .400

Fan Curve Legend


CFM vs SP 0.40 .200
CFM vs KW
Point of Operation
System Curve
Do Not Select 0.00 0.00
0 340 680 1020 1360 1700
Flow (CFM)
3/28/2019 10:02:17 PM

You might also like