Closed Loop Fluid Cooler Schedule - Revised 11-21-22.pdf
PDF 52 KB Posted
- Attached to
- RFB FOR FLUID COOLER AND DELIVERY - Addendum
- Solicitation number
- RFB 025 2300000287 3
- Issued by
- Harrison County, Kentucky
About this file
This file is a Closed Loop Fluid Cooler Schedule specification document, revised November 21, 2022, detailing technical requirements for a BAC FXV 0806B-241D-L model unit. The specification establishes performance and design parameters for a closed loop fluid cooler with a capacity of 10,900 pounds operating weight, 38,980 MBH heat rejection, and 1,575 GPM flow rate. The unit is specified with dual fan assemblies operating at 7.5 and 8.5 horsepower respectively, generating airflow of 74 CFM with sound performance of 95.0 dBA at 50 feet from the air inlet. Unit dimensions are specified at 21.0 feet length, 15.0 feet width, and 480 feet height, with maximum pressure drop of 3 feet of water column and operating parameters including 31.0 degrees Fahrenheit entering air temperature (dry bulb), 57.0 degrees Fahrenheit entering air temperature (wet bulb), and entering water temperature of 100.0 degrees Fahrenheit with leaving water temperature of 90.0 degrees Fahrenheit.
The specification mandates comprehensive equipment features and warranties including a minimum one-year parts and labor warranty, a five-year warranty on cold water basin, fans, fan motors, fan shafts, bearings, sheaves, and associated supports. The unit must be constructed from 304 stainless steel for all wetted parts excluding the coil, with PVC fill and drift eliminators featuring minimum three changes in air direction. Additional required specifications include variable frequency drives installed in control panel, ASME coil, internal galvanized steel walkway with anti-slip design, 304 stainless steel strainer with anti-vortexing hood, basin heater with pump circuit interlock, extended lubrication lines, hinged access panels, electric water level control with solenoid valve and high/low alarms, NEMA 3R control panel with non-fused disconnect, BACnet interface card for building management system integration, premium-efficient TEFC fan motors, and vibration cutoff switches. Manufacturer's startup and certified report must be provided for engineer review and approval.
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Text version
BAC FXV 0806B-241D-L 10,900 7.5 8.5 21.0 38,980 1 15.0 74 1,575 95.0 78.0 100.0 90.0 325.0 5.4 480 / 3 31.0 57.0 ALL
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MODEL
NOT USED.
UNIT SHALL BE PROVIDED WITH POSITIVE CLOSER DAMPER HOOD AND DAMPER ACTUATOR.
PROVIDE UNIT WITH AT MINIMUM ONE (1) YEAR PART AND LIMITED LABOR WARRANTY. PROVIDE UNIT WITH AT MINIMUM FIVE (5) YEAR WARRANTY ON COLD WATER BASIN, FANS, FAN MOTORS, FANS SHAFTS, BEARINGS, SHEAVES, AND ASSOCIATED SUPPRORTS.
PROVIDE UNIT WITH PVC FILL AND DRIFT ELIMINATORS. DRIFT ELIMINATORS SHALL HAVE AT MINIMUM THREE (3) CHANGES IN AIR DIRECTION.
PROVIDE UNIT IN 304 STAINLESS STEEL CONSTRUCTION FOR ALL WETTED PARTS, EXCLUDING COIL.
PROVIDE UNIT WITH VARIABLE FREQUENCY DRIVE FOR EACH FAN. VFD'S SHALL BE INSTALLED IN CONTROL PANEL.
PROVIDE UNIT WITH INTERNAL, GALVANIZED STEEL WALKWAY, WITH ANTI-SLIP DESIGN.
PROVIDE UNIT WITH ASME COIL.
NOISE PERFORMANCE IS BASED ON THE WEIGHTED AVERAGE SOUND DATA AT FIFTY (50) FEET FROM THE AIR INLET OF THE UNIT.
WIDTH OF UNIT MAY NOT EXCEED UNIT DIMENSIONS PROVIDED ABOVE.
HEIGHT OF UNIT MAY NOT BE LESS THAN UNIT DIMENSIONS PROVIDED ABOVE.
FC-1A/B
PROVIDE UNIT WITH 304 STAINLESS STEEL STRAINER AND ANTI-VORTEXING HOOD AT UNIT OUTLET CONNECTION.
PROVIDE UNIT WITH A BASIN HEATER. HEATER SHALL BE INTERLOCKED WITH PUMP CIRCUIT TO PREVENT HEATER OPERATION WHEN PUMP CIRCUIT IS ENERGIZED.
PROVIDE UNIT WITH MANUFACTURER'S START-UP AND CERTIFIED REPORT FOR ENGINEER'S REVIEW AND APPROVAL. INSTALLING CONTRACTOR START-UP IS NOT ACCEPTABLE.
PROVIDE UNIT WITH EXTENDED LUBRICATION LINES FOR EASY MAINTENANCE ACCESS.
PROVIDE UNIT WITH HEAVY DUTY, FRP, AXIAL FAN SUITABLE FOR LOW NOISE LEVELS.
PROVIDE UNIT WITH A MINIMUM OF TWO INDEPENDENT FAN ASSEMBLIES AND FAN MOTORS FOR REDUNDANCY.
PROVIDE HINGED ACCESS PANELS FOR ALL SERVICE POINTS.
PROVIDE UNIT WITH ELECTRIC WATER LEVEL CONTROL BY WAY OF SLOW-CLOSING SOLENOID VALVE. THE WATER LEVEL CONTROL SHALL PROVIDE HIGH AND LOW WATER LEVEL ALARMS.
PROVIDE UNIT WITH NEMA 3R CONTROL PANEL WITH NON-FUSED ELECTRICAL DISCONNECT WITH SINGLE-POINT ELECTRICAL CONNECTION TO THE PANEL CONTAINING VFD, EQUIPMENT, AND HEAT TRACE CONTROLS. THE ELECTRICAL CONTRACTOR SHALL INSTALL ALL CONNECTIONS FROM PANEL TO FIELD MOUNTED EQUIPMENT AND
HEAT TRACE CONTROLS AS SPECIFIED. PANEL SHALL BE LOCKABLE. CONTROL PANEL WITH ALL COMPONENTS SHALL BE LISTED AND CERTIFIED BY A NATIONALLY RECOGNIZED TESTING LABORATORY (NRTL) IN ACCORDANCE WITH NFPA 70 - NATIONAL ELECTRICAL CODE 2014 LATEST EDITION. PROVIDE BACNET INTERFACE CARD FOR
FULL INTEGRATION INTO THE BUILDING MANAGEMENT SYSTEM (BMS).
PROVIDE UNIT WITH PREMIUM-EFFICIENT TEFC FAN MOTORS SUITABLE FOR VARIABLE FREQUENCY DRIVE OPERATION.
PROVIDE UNIT WITH VIBRATION CUTOFF SWITCHES.
PROVIDE UNIT WITH WELDED 304 STAINLESS STEEL BASIN.
REMARKS AND ACCESSORIES:
MOCP
(AMPS)
FC-1A/B
CLOSED LOOP FLUID COOLER SCHEDULE
MARK MFG. SIZE
EVAPORATOR FAN DATA PERFORMANCE DATA ELECTRICAL DATA
REMARKS AND
ACCESSORIES
MARK
APPROX. UNIT
OPERATING
WEIGHT
(LBS.)
VOLTAGE/
PHASE
UNIT
AIRFLOW
(CFM)
NUMBER OF
FANS
TOTAL FAN
POWER
(HP)
UNIT DIMENSIONS
LENGTH
(FT.)
WIDTH
(FT.)
HEIGHT
(FT.)
MCA
(AMPS)
dBA @ 50'
HEAT OF
REJ.
(MBH)
E.A.T.
(DEG Fdb)
E.A.T.
(DEG Fwb)
E.W.T.
(DEG F)
L.W.T.
(DEG F)
FLOW RATE
(GPM)
MAX PRESS.
DROP
(FT H2O)
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