Counter Clockwise Rotation Shown, Rectangular Base
with Curb Cap, Inlet Plenum, Discharge Stack and Stand
27 1/8" Outside
48 1/2" Outside
Discharge
Stack
Inlet
Plenum
Existing
Curb
Data
120 CP-BK
3
2
120 CP-BK
CFM
OV
FPM
0.250 SP
0.500 SP
0.750 SP
1.000 SP
1.250 SP
1.500 SP
1.750 SP
2.000 SP
2.250 SP
2.500 SP
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
500 961
802 .03 1018 .07 1220 .11 1396 .15
600 1154 879 .04 1060 .08 1243 .12 1413 .17 1567 .22 1708 .27
700 1346 953 .06 1128 .09 1280 .14 1437 .19 1586 .24 1724 .30 1852 .35 1973 .42
800 1538 1017 .07 1205 .11 1340 .16 1474 .21 1612 .27 1745 .33 1871 .39 1989 .45 2101 .52 2208 .59
900 1730 1076 .09 1282 .14 1414 .19 1532 .24 1651 .30 1773 .36 1894 .42 2010 .49 2120 .56 2225 .63
1000 1923 1150 .11 1355 .16 1492 .22 1603 .27 1708 .33 1815 .40 1925 .46 2035 .54 2143 .61 2245 .68
1100 2115 1234 .13 1420 .19 1568 .25 1680 .31 1779 .37 1874 .44 1971 .51 2071 .58 2171 .66 2271 .74
1200 2308 1321 .16 1476 .22 1642 .28 1758 .35 1855 .42 1945 .49 2033 .56 2121 .64 2211 .71 2303 .80
1300 2500 1410 .19 1539 .25 1710 .33 1833 .40 1933 .47 2021 .54 2104 .62 2184 .69 2265 .78 2347 .86
1400 2692 1501 .23 1615 .29 1769 .37 1906 .45 2009 .52 2099 .60 2180 .68 2257 .76 2332 .84 2406 .93
1500 2885 1592 .27 1697 .34 1826 .42 1973 .50 2084 .58 2175 .66 2258 .75 2333 .83 2405 .92 2475 1.01
1600 3077 1683 .32 1783 .39 1891 .47 2033 .56 2155 .65 2251 .73 2335 .82 2411 .91 2482 1.00
1700 3269 1776 .37 1871 .45 1966 .53 2089 .62 2221 .71 2324 .81 2410 .90 2488 1.00
1800 3462 1868 .43 1960 .51 2048 .60 2151 .69 2280 .79 2393 .89 2484 .99
1900 3654 1961 .50 2050 .58 2132 .67 2222 .76 2336 .86 2456 .97
2000 3846 2055 .57 2141 .66 2219 .75 2299 .84 2397 .95 2513 1.06
2100 4038 2148 .65 2232 .75 2307 .84 2382 .94 2467 1.04
2200 4231 2241 .74 2323 .84 2397 .94 2468 1.04
2300 4423 2337 .83 2415 .94 2486 1.04
2400 4615 2431 .94 2508 1.05
Performance shown is for Installation Type B: Free Inlet, Ducted Outlet. Power rating (BHP) does not include drive losses. Performance ratings do not include the
effects of appurtenances in the airstream. *Outlet velocity (OV) in feet per minute (FPM) at discharge stack.
Wheel Diameter
- 12”
Wheel Type
- Flatblade
Tip Speed (FPM)
= 3.21 x RPM
Max. BHP
= .068 x (RPM/1000)
3
Plenum Inlet Area
= 1.95 Sq. Ft.
Outlet Area
= .52 Sq. Ft.
Outlet Velocity* (FPM)
= CFM/.52
Max. Motor Frame
- 184T, Arr. 10
Approx. Ship Wt.
- 270 lbs. with
motor and drives as complete unit.
CP-BK
Information
Flow (CFM)
Static Pressure
(In W.G.)
0
600
1200
1800
2400 3000
2.5
2.0
1.5
1.0
0.5
0
2527 RPM
.334 HP
802 RPM
.5 HP
2350 RPM
.75 HP
2150 RPM
1 HP
1950 RPM
1.5 HP
1750 RPM
1550 RPM
1400 RPM
1200 RPM
•
A custom Cook CP continuously welded steel, arrangement
10 utility set.
•
Exhaust fan package is factory assembled, balanced and
test run.
•
Curb mounted inlet plenum designed for maximum ef
fi
-
ciency and minimal static pressure loss.
•
Discharge stack to assure high velocity exhaust plume.
•
Tested for continuous operation at 500
˚
F.
•
Listed for both UL 705 (Safety Standard for Power Ventila-
tors) and UL 762 (Power Roof Ventilators for Restaurant
Exhaust Appliances).
•
Features an “Easy Clean”
fi
nish utilizing a durable, high
temperature, non-stick cookware coating.
•
Easy access for cleaning to inlet plenum and ductwork with
quick release latches and large removable panel.
•
Easy access to fan wheel with hinged discharge stack quick
release latch.
•
Aluminum grease trough is positioned directly under fan
drain and is easily removable for cleaning. Grease trough
includes rainwater over
fl
ow feature.
•
Adjustable aluminum legs to support fan at NFPA 96
required discharge height.
•
Curb cap and support legs designed to
fi
t existing BK curb.
•
All bolted connections sealed with a durable silicone adhe-
sive material rated for 600
˚
F continuous operation.
•
Quick release inspection panels on power assembly hous-
ing allow inspection of motor and belts without removing
weather cover.
•
Lifting lugs are provided for safe installation.
•
Roof penetration is sealed from the elements.
