REACT VII SA-01.pdf
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- Solicitation number
- FA813726R0026
About this file
This document is a product specification sheet for COOK brand GEMINI Ceiling and Wall Blowers (200-700 Series) dated October 1, 2025, designated as Mark SF-V19-01 for Project REACT VII SA-01.
The primary product specified is the GC-720 blower unit with the following performance characteristics: 500 CFM flow rate, 0.500 inches water column static pressure, 1276 nominal RPM, and 181 input watts. The unit operates at 115 volts, single phase, 60 Hz with a nameplate amperage of 3.9 amps and includes a forward curved galvanized steel fan wheel, corrosion-resistant galvanized steel housing, acoustically insulated housing, and aluminum backdraft damper. The blower generates 60 dBA sound levels and 4.0 sones. Physical specifications include dimensions ranging from 1/2 inch to 21 inches across various measurements, with unit weight of 32 pounds and shipping weight of 36 pounds. Three accessories are included: a Disconnect NEMA 1 unit, a Fan Speed Controller (FSC) rated at 5 AMP 120 VOLT with integrated "Quadrac" semi-conductor technology, and a GEMINI Isolator Kit (GIK) with a total load rating of 160 pounds. The isolator kit includes four isolator bushings, eight flanged 1/4" × 20 nuts, and four eyelets, with 1/4-20 all-thread brackets to be supplied by the contractor. Performance ratings are AMCA certified per Publications 211 and 311 and comply with AMCA Certified Ratings Program requirements for installation type B (free inlet, ducted outlet).
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Text version
MARK: SF-V19-01
PROJECT: REACT VII SA-01
DATE: 10/1/2025
DETAIL
MOUNTING BRACKET
Air Flow
B
Wiring Field
H
E
J
C A
K
B F
D
Ø M
G
GEMINI
Ceiling and Wall Blowers 200-700 Series
STANDARD CONSTRUCTION FEATURES:
Forward curved galvanized steel fan wheel - Corrosion resistant galvanized steel fan housing
- Acoustically insulated housing - Aluminum backdraft damper with solid aluminum hinge rod mounted in nylon bushings - Permanently lubricated motor with built-in thermal overload protection and disconnect plug - Interchangeable panels with removable fasteners allows the discharge to be easily changed - Internal wiring box with disconnect receptacle - Powder-painted white steel grille - Plastic grille standard on sizes 222, 242, 322, and 342.
Qty Catalog Number
Flow
(CFM)
SP
(inwc)
Nominal
RPM
Input Watts
Speed Control
1 GC-720 500 .500 1276 181 FSC
Performance
Volts/Ph/Hz Nameplate Amps
115/1/60 3.9
Motor Information
1 2 3 4 5 6 7 8 LwA dBA Sones
67 65 63 58 52 46 46 46 60 48 4.0
Sound Data Inlet Sound Power by Octave Band v10.1.162.14617 Page 1 of 5
Accessories:
DISCONNECT NEMA 1
FAN SPEED CONTROLLER 5 AMP 120 VOLT
GEMINI ISOLATOR KIT - ISOLATORS
A 17 B 11-7/8 C 10-1/2 D 4-3/4 E 13/16 F 1 G 4 H 3-9/16
Steel Grille J 21 Steel Grille K 14-1/4
M 1/2
Weight(lbs)*** Shipping 36 Unit 32 NOTE: Accessories may affect dimensions shown.
Dimensions (inches)
***Includes fan, motor & accessories.
0.00
0.20
0.40
0.60
0.80
1.00
0.00
0 150 300 450 600 750 Flow (CFM)
SP
(i nw c)
Input W atts
Fan Curve
Fan Curve Legend CFM vs SP CFM vs Watts Point of Operation System Curve
Altitude (ft): 1303 Temperature (F): 75
GEMINI
PROJECT: REACT VII SA-01
DATE: 10/1/2025
Catalog Number
Flow
(CFM)
SP
(inwc)
Nominal
RPM
Input Watts
OVEL
(mph)
TSPD
(mph) SE
Temp (°F)
ALT
(ft)
GC-720 500 .500 1276 181 16 24 54% 75 1303
Performance
1 2 3 4 5 6 7 8 LwA dBA Sones
67 65 63 58 52 46 46 46 60 48 4.0
Sound Data Inlet Sound Power by Octave Band
With Fan Speed Control • • MaxRPM=1375
0.00
0.20
0.40
0.60
0.80
1.00
0.00
0 150 300 450 600 750 Flow (CFM)
SP
(i nw c)
Input W atts
Fan Curve Legend CFM vs SP CFM vs Watts Point of Operation System Curve v10.1.162.14617 Page 2 of 5
DATE: 10/1/2025
GEMINI
AMCA License Information
Loren Cook Company certifies that the GC-720 shown herein is licensed to bear the AMCA 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 B: free inlet, ducted outlet. Speed (RPM/RPS) shown is nominal.
Performance is based on actual speed of test. Performance ratings include the effects of inlet grille and backdraft damper.
The sound ratings shown are loudness values in spherical sones at 5 ft. in a spherical free field calculated per AMCA Standard 301. Values shown are for Installation type B: free inlet spherical sone levels. The AMCA International licensed air and/or sound performance data has been modified for installation, appurtenances or accessories, etc. not included in the certified data. The modified performance is not AMCA licensed but is provided to aid in selection and applications of the product.
The sound power level ratings shown are in decibels, referred to 10(-12) watts calculated per AMCA Standard 301. Values shown are for inlet Lwi and LwiA sound power levels for installation type B: free inlet, ducted 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.
v10.1.162.14617 Page 3 of 5
DATE: 10/1/2025
WIRING DIAGRAM
4-1/8
1-1/2
FS-5
1-7/16 1/4
2-1/4
3/4 1-3/8
FSC
4-3/8
4-1/2
FS-10
2-1/2
MOTOR
L1
L2
FSC
Fan Speed Controls
STANDARD CONSTRUCTION FEATURES:
PRODUCT DESCRIPTION - Through the "Quadrac" integrated semi-conductor device it is now possible to offer this system with many advantages. Fewer semi-conductor parts mean greater reliability and the passivation process used in the manufacture of the semi-conductor insures long life.
Printed circuit construction eliminates wiring difficulties and guarantees workmanship.
All of these factors serve to offer the most important of all features - quality.
SPEED CONTROL - Positive Off/On action in the control dial. Speed range set to the customer's requirements. CONTROL RATING - 120 volts, 60 cycles, 1 phase. Maximum ambient temperature - 120 degree F (5 AMP, 10 AMP, 15 AMP). 220/240 volt, 50/60 cycles, 1 phase. Maximum ambient temperature - 120 degree F (5 AMP, 10 AMP). 220/240 volt model not UL listed. Fan cannot have UL listing if furnished with prewired 220/240 volt FSC. 277 volt, 60 cycles, 1 phase.
Maximum ambient temperature - 120 degree F (5 AMP). WARNING - Power must be turned off before installing this unit. STANDARD INSTALLATION - Fits any standard single gang box.
Turn off power and connect the two wires on the control to the two switch wires in the usual manner. The connection box is not supplied. SPECIAL FEATURES - Complete range control, solid state "Quadrac" integrated circuitry, solid state construction for long reliable operating life, saves on electric bills.
v10.1.162.14617 Page 4 of 5
Mark Qty Description
SF-V19-01 1 FSC 5 AMP 120 VOLT
Dimensions (inches)
DATE: 10/1/2025
to be supplied by Contractor 1/4-20 All Thread
Brackets supplied standard on all Gemini units
Center Distance
A
Eyelets Flanged 1/4" x 20 nuts
Isolator Bushings
Part Name
PARTS LIST
Quantity
Total Load Rating = 160
GEMINI
Gemini Isolator Kit
GIK
Rubber In Shear v10.1.162.14617 Page 5 of 5
Mark Qty Description Part # A
SF-V19-01 1 GEMINI ISOLATO GIK 4
Dimensions (inches)
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