Twin City Fan & Blower

Transcription

1 Twin City Fan & Blower BULLETIN 405 April 2009 UPBLAST ROOF, WALL, & KITCHEN EXHAUSTERS TYPE DCRU / DCRUR / DCRW / DCRWR TYPE BCRU / BCRUR / BCRW / BCRWR TYPE BCRUSH (Smoke & Heat)

2 Upblast Roof, Wall, & Kitchen Exhausters Twin City Fan & Blower s all new line of quiet, efficient, and economical spun aluminum centrifugal power roof and wall exhausters are designed to offer value and long-lasting service in a wide variety of commercial and industrial ventilating applications. Models DCRU, DCRUR, DCRW, DCRWR, BCRU, BCRUR, BCRW, BCRWR, and BCRUSH direct and belt driven ventilators have been designed by the Twin City Fan & Blower Engineering/R&D team, to provide world-class performance, quality, and efficiency to meet the demands of today s ventilating requirements. These new fans cover a wide range of performances, up to 30,000 CFM and over 3" static pressure, in roof, wall, kitchen, and smoke and heat exhaust configurations. Direct Drive Models DCRU and DCRUR Upblast Roof/Kitchen Exhausters Product/Dimensional Data...Page 4 Accessories...Page 9 Performance Data...Page 2 Belt Driven Models BCRU and BCRUR Upblast Roof/Kitchen Exhausters Product/Dimensional Data...Page 6 Accessories...Page 9 Performance Data... Page 3-2 DCRW and DCRWR Wall/Kitchen Exhausters Product/Dimensional Data...Page 5 Accessories...Page 9 Performance Data...Page 2 BCRW and BCRWR Wall/Kitchen Exhausters Product/Dimensional Data...Page 7 Accessories...Page 9 Performance Data... Page 3-9 BCRUSH Smoke & Heat Roof Exhauster Product/Dimensional Data...Page 8 Accessories....Page 9 Performance Data... Page 3-2 DCRU, DCRUR, DCRW, DCRWR, BCRU, BCRUR, BCRW, BCRWR, and BCRUSH models are CULUS 705 listed, for electrical, File No. E DCRUR, DCRWR, BCRUR, and BCRWR models are CULUS 762 listed, for the exhaust of greaseladen air, File No. MH Model BCRUSH is UL listed for Smoke Control Systems, File No. MH-2933, 500 F for 4 hours and 000 F for 5 minutes. Twin City Fan & Blower certifies that the DCRU, DCRUR, DCRW, DCRWR, BCRU, BCRUR, BCRW, BCRWR, and BCRUSH Series shown herein are licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 2 and AMCA Publication 3 and comply with the requirements of the AMCA Certified Ratings Program Twin City Fan Companies, Ltd. All rights reserved throughout the world. Bulletin illustrations cover the general appearance of Twin City Fan & Blower products at the time of publication and we reserve the right to make changes in design and construction at any time without notice. 2 Twin City Bulletin 405

3 Construction Features Wheel Quiet and efficient non-overloading, heavy-gauge wheels with backwardly curved blades are precisely matched to a deep spun venturi. All wheels are statically and dynamically balanced to ensure smooth and quiet operation. Fan Shroud Heavy-gauge spun aluminum with rolled bead edge provides rigidity. Model BCRUSH features a lightweight steel housing for added rigidity when exposed to high temperatures. Motor Housing Constructed from heavy-gauge aluminum for durability and appearance. Model BCRUSH features a heavyduty steel housing for added rigidity when exposed to high temperatures. Motor Cover Provides complete protection for the motor and drive assembly, while allowing quick access to these components without the need for tools. Curb Cap One-piece curb cap/inlet venturi assembly provides protection from weather. Pre-punched mounting holes provide easy and accurate attachment to the roof curb. Shaft Precision ground and polished with a first critical speed of at least 25% of the fan s maximum operating speed. Bearings Heavy-duty re-greaseable pillow block ball bearings are specifically designed for air handling applications to provide an average life (L-50) of 500,000 hours or more at maximum cataloged operating speeds. Conduit Tubing A conduit tube is furnished for running electrical wiring through the outer shroud and into the motor compartment. Conduit tubes are constructed of Electrical Metallic Tubing (EMT). Motor Cooling Tubes Provides cooling by drawing outside air into the motor and drive compartment. Model BCRUSH is provided with 3 cooling tubes on the size 0 through 240, and 4 cooling tubes on the size 300 and 360. Vibration Isolation Wheel, motor, and drive assembly are completely isolated from the fan supports by rubber isolators to reduce transmission of noise and vibration (all models except BCRUSH). Internal Lifting Lugs Provide safe and easy rigging of the fans. Motors ODP, TEFC, and explosion proof, single and three phase motors are carefully matched to the fan load. Drive Adjustable pitch V-belt drives with cast iron sheaves and heat resistant belts are selected at 50% of the driven motor horsepower. Drives on model BCRUSH are dual groove and are selected at 200% of the motor. Alignment Bearing mounting plate features self-aligning tabs for exact alignment of bearings. Balancing Entire fan assembly is balanced and tested at the factory before shipping. Insulation Motor compartment and wireway of the model BCRUSH is insulated with ceramic insulation rated to 2000 F. Galvanized Birdscreen Protects the wheel, inlet, and internal components from entry of birds. Optional on models BCRUR and DCRUR. Disconnect Switch Provided as standard on all units. DCRU, DCRW, BCRU, and BCRW fans are provided with a NEMA- type disconnect switch in the motor compartment when ODP or TEFC motors are used. DCRUR, DCRWR, BCRUR, BCRWR, and BCRUSH fans are provided with a NEMA-3R rain-tight disconnect switch, externally mounted when ODP or TEFC motors are used. When explosion proof motors are specified, a NEMA-7/9 disconnect switch will be shipped loose for field mounting and wiring on all models. Nameplate Permanently attached nameplate displays serial number and unit information for future identification. AMCA Licensed Licensed to bear the AMCA certified ratings seal for sound and air performance, which guarantees accurate performance. UL Listed UL listing for power ventilators assures acceptance in most commercial applications. UL 705 (Electrical) All models. UL 762 (Grease-Laden Air) DCRUR/DCRWR, and BCRUR/BCRWR UL Smoke Control Systems BCRUSH Twin City Bulletin 405 3

4 DCRU/DCRUR Upblast Roof Exhausters, Direct Drive Twin City Fan s DCRU and DCRUR direct drive, upblast roof mounted centrifugal exhausters are available in eight sizes from size 070 to 80. Capacities range from 225 to 3,865 CFM with static pressures to.75 inches. All sizes are speed controllable with ODP 5V motors. DCRU General Exhaust Model DCRU is designed for roof mounted exhaust of clean air in applications where it is desirable to move the exhausted air up and away from the building, and where re-entry into the building supply air is possible. Model DCRU is culus 705 listed for electrical. DCRUR Kitchen Exhaust Model DCRUR is similar to the DCRU, but is specifically designed for exhausting grease-laden air from kitchens, restaurants, cooking and dishwasher hoods. Model DCRUR is culus 762 listed for the exhaust of grease-laden air. Both the DCRU and DCRUR are licensed to bear the AMCA certified ratings seal for sound and air performance. Model DCRUR C A DIA. E SQUARE CURB SIZE ROOF OPENING (DAMPER SIZE INCHES) * Damper not available on DCRUR. B 2.00 CURB DAMPER Dimensional Data and Weights MODEL AVG. UNIT A B C E DCRU DCRUR WT. (LB.) B B B B B B B 0B B 20B B 40B B 60B B 80B Dampers and Roof Curbs MODEL DAMPER STANDARD SELF FLASH ROOF DCRU DCRUR SIZE CURB SIZE CURB SIZE OPENING B B 0 x x x x B B 0 x x x x B B 4 x x x x 4 2 0B 0B 8 x x x x B 20B 8 x x x x B 40B 8 x x x x B 60B 8 x x x x B 80B 24 x x x x 24 2 D-4407A Notes: D-4408A. All dimensions are in inches unless otherwise noted. 2. Dimensions are not to be used for construction. 3. Damper sizes are nominal. 4. DCRUR (Kitchen Exhaust) provided with self flashing, vented, 2" high curb. 4 Twin City Bulletin 405

5 DCRW/DCRWR Wall Exhausters, Direct Drive Twin City Fan s DCRW and DCRWR direct drive, wall mounted centrifugal exhausters are available in eight sizes from size 070 to 80. Capacities range from 225 to 3,865 CFM and static pressures to.75 inches. All sizes are speed controllable with ODP 5V motors. DCRW General Exhaust Model DCRW is designed for general exhaust of clean air in a wall-mounted, horizontal configuration. Model DCRW is culus 705 listed for electrical. DCRWR Kitchen Exhaust Model DCRWR is similar to the DCRW, but is specifically designed for exhausting grease-laden air from kitchens, restaurants, cooking and dishwasher hoods where upblast exhaust is not feasible. Model DCRWR is culus 762 listed for the exhaust of grease-laden air. Both the DCRW and DCRWR are licensed to bear the AMCA certified ratings seal for sound and air performance. Other DCRW/DCRWR applications include fume hood, paint booth, carbon monoxide exhaust. DCRW and DCRWR fans are supplied with a heavy-duty 4" wall-mounting bracket. A 0" wall-mounting bracket is supplied when a gravity or motorized damper is utilized. Model DCRW MOUNTING BRACKET C 5/6" ANCHOR STUD (8) WALL OPENING H 4.00 STD & 0.00 W/DAMPER E SQUARE A DIA. D SQUARE WALL F * Damper not available on DCRWR. Dimensional Data and Weights 2.00 Notes:. All dimensions are in inches unless otherwise noted. 2. Dimensions are not to be used for construction. 3. Damper sizes are nominal. B MOUNTING BRACKET HOLE MOUNTING PATTERN MODEL AVG. UNIT DAMPER WALL MTG. WALL A B C D E F DCRW DCRWR WT. (LB.) SIZE BRACKET OPENING (H) B B x x x B B x x x B B x x x 4 2 0B 0B x x x B 20B x x x B 40B x x x B 60B x x x B 80B x x x 24 2 D-4409D D-440B Twin City Bulletin 405 5

6 BCRU/BCRUR Upblast Roof Exhausters, Belt Driven Twin City Fan s BCRU and BCRUR belt driven, upblast roof mounted centrifugal exhausters are available in twenty sizes from size 0 to 480, including seven high-pressure models. Capacities range from 500 to 29,000 CFM with static pressures to 3.25 inches. BCRU General Exhaust Model BCRU is designed for roof mounted exhaust of clean air in applications where it is desirable to move the exhausted air up and away from the building, and where re-entry into the building supply air is possible. Model BCRU is culus 705 listed for electrical. BCRUR Kitchen Exhaust Model BCRUR is similar to the BCRU, but is specifically designed for exhausting grease-laden air from kitchens, restaurants, cooking and dishwasher hoods. Model BCRUR is culus 762 listed for the exhaust of grease-laden air. Both the BCRU and BCRUR are licensed to bear the AMCA certified ratings seal for sound and air performance. C A DIA. E SQUARE CURB SIZE ROOF OPENING (DAMPER SIZE INCHES) * Damper not available on BCRUR. B 2.00 CURB DAMPER Model BCRU Dimensional Data and Weights MODEL BCRU BCRUR Dampers and Roof Curbs A B C E AVG. UNIT WT. (LBS.) 0B 0B B 20B B 40B B 40B B 60B B 60B BMP 60BMP B 80B BMP 80BMP B 80B B 20B B 20B B 240B B 240B B 300B B 300B B 360B B B B MODEL DAMPER STANDARD SELF FLASH ROOF BCRU BCRUR SIZE CURB SIZE CURB SIZE OPENING 0B 0B 8 x x x x B 20B 8 x x x x B 40B 8 x x x x B 60B 8 x x x x B 80B 24 x x x x B 20B 28 x x x x B 240B 28 x x x x B 300B 34 x x x x B 360B 40 x x x x B 46 x x x x B 50 x x x x 50 2 D-440H Notes: D-4402H. All dimensions are in inches unless otherwise noted. 2. Dimensions are not to be used for construction. 3. Damper sizes are nominal. 4. BCRUR (Kitchen Exhaust) provided with self flashing, vented, 2" high curb. 6 Twin City Bulletin 405

7 BCRW/BCRWR Wall Exhausters, Belt Driven Twin City Fan s BCRW and BCRWR belt driven, wall mounted centrifugal exhausters are available in sixteen sizes from size 0 to 300, including six highpressure models. Capacities range from 500 to 2,000 CFM and static pressures to 3.25 inches. BCRW General Exhaust Model BCRW is designed for general exhaust of clean air in a wall-mounted, horizontal configuration. Model BCRW is culus 705 listed for electrical. BCRWR Kitchen Exhaust Model BCRWR is similar to the BCRW, but is specifically designed for exhausting grease-laden air from kitchens, restaurants, cooking and dishwasher hoods where upblast exhaust is not feasible. Model BCRWR is culus 762 listed for the exhaust of grease-laden air. Both the BCRW and BCRWR are licensed to bear the AMCA certified ratings seal for sound and air performance. Other BCRW/BCRWR applications include fume hood, paint booth, carbon monoxide exhaust. BCRW and BCRWR fans are supplied with a heavy-duty 4" wall-mounting bracket. A 0" wall-mounting bracket is supplied when a gravity or motorized damper is utilized. MOUNTING BRACKET C Model BCRW 5/6" ANCHOR STUD (8) WALL OPENING H 4.00 STD & 0.00 W/DAMPER E SQUARE A DIA. D SQUARE WALL F * Damper not available on BCRWR B MOUNTING BRACKET HOLE MOUNTING PATTERN Dimensional Data and Weights MODEL AVG. UNIT DAMPER WALL MTG. WALL A B C D E F BCRW BCRWR WT. (LB.) SIZE BRACKET OPENING (H) 0B 0B x x x B 20B x x x B 40B x x x B 60B x x x B 80B x x x B 20B x x x B 240B x x x B 300B x x x 33 2 Notes:. All dimensions are in inches unless otherwise noted. 2. Dimensions are not to be used for construction. 3. Damper sizes are nominal. D-4403L D-4406G Twin City Bulletin 405 7

8 BCRUSH Smoke & Heat Roof Exhausters Twin City Fan s BCRUSH smoke & heat roof exhausters are available in twenty sizes from size 0 to 480, including seven high-pressure models. Capacities range from 500 to 29,000 CFM with static pressures to 3.25 inches. Model BCRUSH is specifically designed for smoke control applications where temperatures can reach 000 F. The lightweight construction makes the BCRUSH ideal for jobs where roof loads are a concern. Model BCRUSH is UL listed for smoke control systems, 500 F for 4 hours and 000 F for 5 minutes, and is licensed to bear the AMCA certified ratings seal for sound and air performance. Unique features of the BCRUSH smoke & heat roof exhauster include: Aluminum Housing Heavy-gauge aluminum housing provides structural rigidity when exposed to high temperatures. Steel Wheel Provides rigidity when exposed to high temperature airstreams. Multiple Cooling Tubes Provide cooling by drawing outside air into the motor and drive compartment. Insulation Insulated motor compartment and wireway are insulated with ceramic insulation rated to 2000 F. Dual Groove Drive Oversized for added assurance. Aluminum Nameplate For future identification. C A DIA. B Dimensional Data and Weights Model BCRUSH MODEL AVG. UNIT A B C E BCRUSH WT. (LB.) 0B B B B B B B B B B B E SQUARE CURB SIZE ROOF OPENING 2.00 CURB Dampers and Roof Curbs MODEL STANDARD SELF FLASH ROOF BCRUSH CURB SIZE CURB SIZE OPENING 0B 22 2 x x x B 22 2 x x x B 22 2 x x x B 22 2 x x x B 28 2 x x x B 32 2 x x x B 32 2 x x x B 38 2 x x x B 44 2 x x x B 50 2 x x x B 56 2 x x x 50 2 Notes:. All dimensions are in inches unless otherwise noted. 2. Dimensions are not to be used for construction. D-440-A 8 Twin City Bulletin 405

9 Accessories Backdraft Damper Backdraft dampers, with automatic or motorized operation, feature a felt seal on the edge of the damper blades for quiet operation. Damper frames are constructed of 20-gauge galvanized steel and blades are constructed of 26-gauge aluminum. Motorized dampers are recommended for low CFM applications to assure unrestricted airflow. Motorized dampers are available with 5, 208, 230, 460 or 575 volt service; 575 volt service requires a stepdown transformer. When a motorized damper option is selected a 2" (or greater) high roof curb is required. Curb Hinge The curb hinge arrangement provides easy access to the exhaust fan, backdraft damper and duct for servicing and cleaning. The curb hinge is of the piano type, running the entire length of the fan's curb base. The curb hinge option is factory installed and is designed for use with a standard canted curb only. This option cannot be used with standard selfflashing curbs, but will work with self-flashing vented restaurant curbs. Available on all DCRU, DCRUR, BCRU, BCRUR, and BCRUSH models. Security Hasp A security hasp is available in conjunction with the curb hinge arrangement to prevent removal of the unit from the unit curb cap and prevent entrance into the building through the roof s ductwork. Retaining Chain A retaining chain is available in conjunction with the curb hinge arrangement to stabilize the unit and to prevent damage from occurring to the unit while servicing and cleaning. Prefabricated Roof Curbs Prefabricated roof curbs are available in heavy duty galvanized steel or aluminum construction, in heights of 8", 2", or 8". The standard curb (canted) is provided with a factory installed wood nailer, while the optional self flashing design is provided with a 3 /6" polystyrene gasket. Both the standard curb and the self flashing design are provided with.5" of insulation as standard and feature continuously welded seams for added rigidity and moisture protection. Prefabricated curbs are also available in raised cant, pitched and peak models. Refer to Bulletin 490 for complete details on roof curb options. Minimum 2" high curbs are recommended for use with motorized damper. BCRUR (Kitchen Exhaust) roof curbs are self flashing, 2" high, galvanized steel with ventilation slots and /4" polystyrene gasket when combined with our roof curbs. All BCRUR roof units provide a minimum 40" discharge height in accordance with NFPA-96 code requirements. Grease Box Removable, for disposal of collected grease. Available for DCRUR & BCRUR fans only. Aluminum Birdscreen Protects from entry of birds. Available for all models except BCRUSH. Aluminum Insect Screen Provides protection from entry of insects into wheel, inlet and interior of building. Available for DCRU, DCRW, BCRU, and BCRW fans only. Variable Speed Control Variable speed control is an optional accessory on all DCRU, DCRUR, DCRW, and DCRWR models with 5 volt, open type motors, to allow the adjustment of airflow for system balancing. Variable speed controllers are solid-state (Tri-ac) design. Speed control features include RFI filter, minimum speed trim adjustment capability, and built-in on/off line switch. The speed controller is designed to start the motor on high speed for better startup characteristics. Variable speed controls have the option of being shipped separately, factory installed, or field installed on the unit at a later date. Motor must be ODP 5V P5C or shaded pole type. NEMA-4 Disconnect Switches A NEMA-4, water and dust tight disconnect is available shipped loose for field mounting and wiring. 2-Speed Switch Two speed switch is available for 2 speed/2 winding motors to control the fan speed (high speed, low speed, off). Available on single phase, and below Firestat The firestat option is intended to shut down the unit in case of a fire in the building. If the firestat sensing element is exposed to an air temperature over its setpoint, it will open, de-energizing the motor of the unit. The standard firestat is set to open at 40ºF and must be manually reset. The firestat cut-out point is field adjustable from 00ºF to 70ºF. Firestats are available for 5, 208, 230 and 277 volt, -phase units, either factory or field installed. Special Coatings Powered roof exhausters often require special coatings for protective and decorative purposes. Available coatings include air-dried enamel, air-dried epoxy, and Heresite (air-dried phenolic). Contact your Twin City Fan & Blower sales representative for more information on available coatings and colors. Twin City Bulletin 405 9

10 Exploded Parts View DCRU and DCRUR BCRU, BCRUR and BCRUSH TOP COVER CAP MOTOR HOUSING BAND RIGID CONDUIT (DCRU) " RIGID CONDUIT (DCRUR) GROMMET (DCRUR) 2" INSULATED CONDUIT (DCRUR) BREATHER TUBE 4" TOP COVER CAP MOTOR HOUSING BAND RIGID CONDUIT (BCRU) " RIGID CONDUIT (BCRUR) GROMMET (BCRUR) 2" INSULATED CONDUIT (BCRUR and BCRUSH) BREATHER TUBE 4" MOTOR SUPPORT ASSEMBLY 2 GROOVE DRIVES MIN. (BCRUSH) HIGH TEMP CAULK, INSIDE MULTIPLE BREATHER TUBES (BCRUSH) MOTOR & DRIVES SUPPORT ASSEMBLY NEMA- DISCONNECT SWITCH (DCRU) INSULATION (BCRUSH) NEMA- DISCONNECT SWITCH (BCRU) WIRE BIRDSCREEN (OPTIONAL ON DCRUR) WIRE BIRDSCREEN (OPTIONAL ON BCRUR) WHEEL WHEEL OUTER SHROUD OUTER SHROUD NEMA-3R DISCONNECT SWITCH (DCRUR) SHAFT COLLAR (BCRUSH) NEMA-3R DISCONNECT SWITCH (BCRUR and BCRUSH) BREATHER TUBE COVER BREATHER TUBE COVER GREASE SPOUT CURB CAP GREASE SPOUT CURB CAP GREASE BOX (OPTIONAL ON DCRUR) GREASE BOX (OPTIONAL ON BCRUR) 0 Twin City Bulletin 405

11 Exploded Parts View DCRW and DCRWR NEMA-3R DISCONNECT SWITCH (DCRWR) OUTER SHROUD RIGID CONDUIT MOTOR HOUSING BAND TOP COVER CAP WALL ADAPTER CURB BASE BREATHER TUBE COVER WHEEL WIRE BIRDSCREEN NEMA- DISCONNECT SWITCH (DCRW) MOTOR SUPPORT ASSEMBLY BREATHER TUBE 4" BCRW and BCRWR NEMA-3R DISCONNECT SWITCH (BCRWR) OUTER SHROUD NEMA- DISCONNECT SWITCH (BCRW) RIGID CONDUIT MOTOR HOUSING BAND TOP COVER CAP WALL ADAPTER CURB BASE BREATHER TUBE COVER WHEEL MOTOR & DRIVES SUPPORT ASSEMBLY WIRE BIRDSCREEN BREATHER TUBE 4" Twin City Bulletin 405

12 Performance Data Direct Drive DCRU / DCRUR / DCRW / DCRWR MAX. MOTOR SIZE INPUT CFM CFM CFM CFM CFM CFM CFM CFM CFM CFM CFM WATTS B Sone B Sone B Sone B Sone B Sone B Sone B Sone B Sone B Sone B Sone B Sone 07B / B / B / B / B / B / B / B / B / / B / / B / B / B / B NOTES:. Performance certified is for Installation Type A: Free inlet, free outlet. 2. Power rating (B) does not include transmission losses. 3. Performance ratings do not include the effects of appurtenances (accessories). 4. The sound ratings shown are loudness values in fan sones at 5 ft. (.5 m) in a hemispherical free field calculated per AMCA Standard Values shown are for Installation Type A: Free inlet fan sone levels. 6. All sizes are available with variable speed control. 2 Twin City Bulletin 405

13 Performance Data Belt Driven 0B BCRU / BCRUR / BCRUSH / BCRW / BCRWR Max. Motor Frame = / / B BCRU / BCRUR / BCRUSH / BCRW / BCRWR Max. Motor Frame = /4 975 / B BCRU / BCRUR / BCRUSH / BCRW / BCRWR /4 / Max. Motor Frame = 43T NOTES:. Performance certified is for Installation Type A: Free inlet, free outlet. 2. Power rating (B) does not include transmission losses. 3. Performance ratings do not include the effects of appurtenances (accessories). 4. The sound ratings shown are loudness values in fan sones at 5 ft. (.5 m) in a hemispherical free field calculated per AMCA Standard Values shown are for Installation Type A: Free inlet fan sone levels. Twin City Bulletin 405 3

14 Performance Data Belt Driven 40B BCRU / BCRUR / BCRUSH / BCRW / BCRWR Max. Motor Frame = 56 /4 / B BCRU / BCRUR / BCRUSH / BCRW / BCRWR Max. Motor Frame = 43T /4 / BMP BCRU / BCRUR / BCRUSH / BCRW / BCRWR Max. Motor Frame = 43T /4 / NOTES:. Performance certified is for Installation Type A: Free inlet, free outlet. 2. Power rating (B) does not include transmission losses. 3. Performance ratings do not include the effects of appurtenances (accessories). 4. The sound ratings shown are loudness values in fan sones at 5 ft. (.5 m) in a hemispherical free field calculated per AMCA Standard Values shown are for Installation Type A: Free inlet fan sone levels. 4 Twin City Bulletin 405

15 Performance Data Belt Driven 60B BCRU / BCRUR / BCRUSH / BCRW / BCRWR Max. Motor Frame = 43T /4 / B BCRU / BCRUR / BCRUSH / BCRW / BCRWR Max. Motor Frame = 45T / / NOTES:. Performance certified is for Installation Type A: Free inlet, free outlet. 2. Power rating (B) does not include transmission losses. 3. Performance ratings do not include the effects of appurtenances (accessories). 4. The sound ratings shown are loudness values in fan sones at 5 ft. (.5 m) in a hemispherical free field calculated per AMCA Standard Values shown are for Installation Type A: Free inlet fan sone levels. Twin City Bulletin 405 5

16 Performance Data Belt Driven 80BMP BCRU / BCRUR / BCRUSH / BCRW / BCRWR Max. Motor Frame = 45T /4 / B BCRU / BCRUR / BCRUSH / BCRW / BCRWR Max. Motor Frame = 45T /4 / NOTES:. Performance certified is for Installation Type A: Free inlet, free outlet. 2. Power rating (B) does not include transmission losses. 3. Performance ratings do not include the effects of appurtenances (accessories). 4. The sound ratings shown are loudness values in fan sones at 5 ft. (.5 m) in a hemispherical free field calculated per AMCA Standard Values shown are for Installation Type A: Free inlet fan sone levels. 6 Twin City Bulletin 405

17 Performance Data Belt Driven 20B BCRU / BCRUR / BCRUSH / BCRW / BCRWR Max. Motor Frame = 45T /4 / B BCRU / BCRUR / BCRUSH / BCRW / BCRWR Max. Motor Frame = 82T NOTES:. Performance certified is for Installation Type A: Free inlet, free outlet. 2. Power rating (B) does not include transmission losses. 3. Performance ratings do not include the effects of appurtenances (accessories). 4. The sound ratings shown are loudness values in fan sones at 5 ft. (.5 m) in a hemispherical free field calculated per AMCA Standard Values shown are for Installation Type A: Free inlet fan sone levels. Twin City Bulletin 405 7

18 Performance Data Belt Driven 240B BCRU / BCRUR / BCRUSH / BCRW / BCRWR Max. Motor Frame = 45T /4 / B BCRU / BCRUR / BCRUSH / BCRW / BCRWR Max. Motor Frame = 82T NOTES:. Performance certified is for Installation Type A: Free inlet, free outlet. 2. Power rating (B) does not include transmission losses. 3. Performance ratings do not include the effects of appurtenances (accessories). 4. The sound ratings shown are loudness values in fan sones at 5 ft. (.5 m) in a hemispherical free field calculated per AMCA Standard Values shown are for Installation Type A: Free inlet fan sone levels. 8 Twin City Bulletin 405

19 Performance Data Belt Driven 300B BCRU / BCRUR / BCRUSH / BCRW / BCRWR Max. Motor Frame = 84T / B BCRU / BCRUR / BCRUSH / BCRW / BCRWR Max. Motor Frame = 84T NOTES:. Performance certified is for Installation Type A: Free inlet, free outlet. 2. Power rating (B) does not include transmission losses. 3. Performance ratings do not include the effects of appurtenances (accessories). 4. The sound ratings shown are loudness values in fan sones at 5 ft. (.5 m) in a hemispherical free field calculated per AMCA Standard Values shown are for Installation Type A: Free inlet fan sone levels. Twin City Bulletin 405 9

20 Performance Data Belt Driven 360B BCRU / BCRUR / BCRUSH Max. Motor Frame = 84T B BCRU / BCRUR / BCRUSH Max. Motor Frame = 23T NOTES:. Performance certified is for Installation Type A: Free inlet, free outlet. 2. Power rating (B) does not include transmission losses. 3. Performance ratings do not include the effects of appurtenances (accessories). 4. The sound ratings shown are loudness values in fan sones at 5 ft. (.5 m) in a hemispherical free field calculated per AMCA Standard Values shown are for Installation Type A: Free inlet fan sone levels. 20 Twin City Bulletin 405

21 Performance Data Belt Driven 420B BCRU / BCRUSH Max. Motor Frame = 23T B BCRU / BCRUSH Max. Motor Frame = 23T NOTES:. Performance certified is for Installation Type A: Free inlet, free outlet. 2. Power rating (B) does not include transmission losses. 3. Performance ratings do not include the effects of appurtenances (accessories). 4. The sound ratings shown are loudness values in fan sones at 5 ft. (.5 m) in a hemispherical free field calculated per AMCA Standard Values shown are for Installation Type A: Free inlet fan sone levels. Twin City Bulletin 405 2

22 Typical Specifications DCRU/DCRUR/DCRW/DCRWR Roof and wall mounted exhaust fans shall be of the direct drive centrifugal type and shall be DCRU (upblast); DCRUR (upblast kitchen exhaust); DCRW (wall mount); and DCRWR (wall mount kitchen exhaust) as manufactured by Twin City Fan & Blower, Minneapolis, Minnesota. PERFORMANCE Fans shall be tested in accordance with AMCA 20 and AMCA 300 test codes for air moving devices and shall be guaranteed by the manufacturer to deliver rated published performance levels. Fans shall be licensed to bear the AMCA certified ratings seal for both sound and air. Models DCRU, and DCRW shall be CULUS 705 listed. Models DCRUR and DCRWR shall be CULUS 762 listed for the exhaust of grease-laden air. CONSTRUCTION Fans shall be constructed of aluminum for durability and appearance. Fan spinnings shall have a rolled bead edge for rigidity. Units shall have a deep venturi inlet to prevent snow and rain entry into the building. The curb cap shall include prepunched mounting holes for ease of installation. A conduit chase constructed of electrical metallic tubing shall be provided to the motor compartment. The curb base shall provide protection from weather. Lifting lugs shall be provided inside the motor compartment for ease of handling and installation. Fans shall bear a permanently attached nameplate displaying model and serial number of the unit for future identification. MOTOR ASSEMBLY Motor assembly shall be mounted on vibration isolators to eliminate vibration and noise transmission into the ductwork. Motors shall be mounted out of the exhaust airstream and shall have a cooling tube that provides air separate from the exhaust. EASE OF SERVICE No tools shall be needed to access motor compartment for inspection of motor and drive components. WHEEL Fan wheels shall be of the centrifugal backward inclined type, constructed of aluminum and containing a matching inlet venturi for optimum unit performance. Wheels shall be statically and dynamically balanced. MOTOR Motors shall be heavy-duty ball bearing type, closely matched to the fan load. All single-phase ODP motors shall contain thermal overload protection. All motors shall be UL and /or CSA recognized. Motors for use with speed control shall provide good speed controllability without any objectionable noise. DISCONNECT SWITCH A NEMA disconnect switch shall be supplied with wiring leading from the motor to the junction box on models DCRU and DCRW. A NEMA 3R disconnect switch shall be supplied with wiring leading from the motor to a junction box located outside of the motor compartment on models DCRUR and DCRWR. FINISH AND COATING Fans shall be constructed of aluminum. Optional coatings shall be available. ACCESSORIES When specified, accessories such as backdraft damper, roof curb, curb hinge, retaining chain, security hasp, variable speed controller, NEMA-4 disconnect switch, 2-speed switch, firestat, aluminum bird screen, aluminum insect screen, and special coatings shall be provided by Twin City Fan & Blower to maintain one source responsibility. FACTORY RUN TEST All fans prior to shipment shall be completely assembled and test run as a unit at operating speed or maximum allowed for the particular construction type. Each wheel shall be statically and dynamically balanced in accordance with ANSI/AMCA "Balance Quality and Vibration Levels for Fans" to Fan Application Category BV-3, Balance Quality Grade G6.3. Balance readings shall be taken by electronic type equipment in the axial, vertical, and horizontal directions on each of the bearings. Records shall be maintained and a written copy shall be available upon request. GUARANTEE The manufacturer shall guarantee the workmanship and materials for its roof and wall mounted centrifugal exhaust fans for at least one () year from startup or eighteen (8) months from shipment, whichever occurs first. 22 Twin City Bulletin 405

23 Typical Specifications BCRU/BCRUR/BCRUSH/BCRW/BCRWR Roof and wall mounted exhaust fans shall be of the belt driven centrifugal type and shall be BCRU (upblast); BCRUR (upblast kitchen exhaust); BCRUSH (smoke and heat exhaust); BCRW (wall mount); and BCRWR (wall mount kitchen exhaust) as manufactured by Twin City Fan & Blower, Minneapolis, Minnesota. PERFORMANCE Fans shall be tested in accordance with AMCA 20 and AMCA 300 test codes for air moving devices and shall be guaranteed by the manufacturer to deliver rated published performance levels. Fans shall be licensed to bear the AMCA certified ratings seal for both sound and air. Models BCRU, and BCRW shall be CULUS 705 listed. Models BCRUR and BCRWR shall be CULUS 762 listed for the exhaust of greaseladen air. Model BCRUSH shall be UL listed for Smoke Control Systems (500 F for 4 hours and 000 F for 5 minutes). CONSTRUCTION Models BCRU, BCRUR, BCRW, BCRWR and BCRUSH shall be constructed of aluminum for durability and appearance. Fan spinnings shall have a rolled bead edge for rigidity. Units shall have a deep venturi inlet to prevent snow and rain entry into the building. The curb cap shall include prepunched mounting holes for ease of installation. A conduit chase constructed of electrical metallic tubing shall be provided to the motor compartment. The curb base shall provide protection from weather. Lifting lugs shall be provided inside the motor compartment for ease of handling and installation. Fans shall bear a permanently attached nameplate displaying model and serial number of the unit for future identification. Model BCRUSH shall have aluminum nameplate. Fiberglass insulation on model BCRUSH shall line the bottom and wall of the motor compartment to protect motor and drive components from heat. MOTOR AND DRIVE ASSEMBLY Motor and drive assembly shall be mounted on vibration isolators to eliminate vibration and noise transmission into the ductwork. Motors and drives shall be mounted out of the exhaust airstream and shall have a cooling tube that provides air separate from the exhaust. Model BCRUSH shall have a minimum of three cooling tubes. EASE OF SERVICE No tools shall be needed to access motor compartment for inspection of motor and drive components. WHEEL Fan wheels shall be of the centrifugal backward inclined type, containing a matching inlet venturi for optimum unit performance. Fan wheels on models BCRU, BCRUR, BCRW and BCRWR shall be constructed of aluminum. Fan wheels on model BCRUSH shall be constructed of steel. Wheels shall be statically and dynamically balanced. SHAFT Fan shafts shall be precision-ground and polished. Shafts shall have a first critical speed of at least 25% of the fan s maximum operating speed. BEARINGS Bearings shall be of the one-piece, pillow block type with relubricable zerk fittings. Bearings shall be designed for air handling service with a minimum L-0 life in excess of 00,000 hours; L ,000 hours at the maximum cataloged operating speed. Bearing mounting plate shall have self-aligning tabs for exact locating and alignment of bearings. DRIVE Drive assembly shall be constructed of heavy-gauge galvanized steel. Drives shall be sized for a minimum of 50% of driven horsepower. Machined, cast iron motor sheaves shall be adjustable for final system balance. Model BCRUSH shall have 2-groove drives. MOTOR Motors shall be heavy-duty ball bearing type, closely matched to the fan load. All single-phase ODP motors shall contain thermal overload protection. All motors shall be UL and /or CSA recognized. Motor adjustment shall allow precise belt tensioning for optimum belt life and one-person adjustment and servicing. DISCONNECT SWITCH A NEMA disconnect switch shall be supplied with wiring leading from the motor to the junction box on models BCRU and BCRW. A NEMA 3R disconnect switch shall be supplied with wiring leading from the motor to a junction box located outside of the motor compartment on models BCRUR, BCRWR and BCRUSH. FINISH AND COATING Models BCRU, BCRUR, BCRW, BCRWR and BCRUSH shall be constructed of aluminum. Optional coatings shall be available. ACCESSORIES When specified, accessories such as backdraft damper, roof curb, curb hinge, retaining chain, security hasp, NEMA-4 disconnect switch, 2-speed switch, firestat, steel premium grease fan construction, aluminum bird screen, aluminum insect screen, and special coatings shall be provided by Twin City Fan & Blower to maintain one source responsibility. FACTORY RUN TEST All fans prior to shipment shall be completely assembled and test run as a unit at operating speed or maximum allowed for the particular construction type. Each wheel shall be statically and dynamically balanced in accordance with ANSI/AMCA "Balance Quality and Vibration Levels for Fans" to Fan Application Category BV-3, Balance Quality Grade G6.3. Balance readings shall be taken by electronic type equipment in the axial, vertical, and horizontal directions on each of the bearings. Records shall be maintained and a written copy shall be available upon request. GUARANTEE The manufacturer shall guarantee the workmanship and materials for its roof and wall mounted centrifugal exhaust fans for at least one () year from startup or eighteen (8) months from shipment, whichever occurs first. Twin City Bulletin

24 Unlimited Options... Commercial Fans Centrifugal Fans Utility Sets Inline Centrifugal Fans Plenum Fans Radial Bladed Fans Centrifugal Roof & Wall Exhausters Filtered Supply Fans Gravity Relief Ventilators Ceiling & Cabinet Ventilators Propeller Wall Fans Tubeaxial Fans Vaneaxial Fans Propeller Roof Ventilators Fume Hood/Smoke & Heat Exhaust Fans Mancoolers Fiberglass Fans Industrial Fans Centrifugal Fans Forward Curved & Air Kit Components Inline Centrifugal Fans Plug Fans Radial Bladed Fans Radial Tip & High Efficiency Fans Pressure Blowers Tubeaxial Fans Vaneaxial Fans Custom Design Fans Easy Access Fans Insulated Fans Inlet Boxes - Integral and Detached Inlet Box Dampers Independent Bearing Pedestals Split Housings Bolted Housings Spark Resistant Construction Ultra Fine Balancing Modified Widths and Diameters Variable Frequency Drives API Specifications Special Materials Anti-Rotation Devices Sleeve Oil Bearings Volume Control Dampers Inlet Vane Control with External Mechanisms...One Solution..5MPP09/ Trenton Lane North Minneapolis, MN Ph o n e: Fax: w w w.tcf.c o m