PDF Publication Title:
Text from PDF Page: 040
Guide specifications (cont) c. Heat Sink: 1) The heat sink shall be refrigerant cooled. Heat sink and mating flange shall be suitable for ASME design work- ing pressure of 185 psig. 2) Refrigerant cooling shall be metered by microprocessor control solenoid valve to maintain heat sink temperature within acceptable limits for ambient temperature. d. VFD Rating: 1) Drive shall be suitable for name plate voltage ±10%. 2) Drive shall be suitable for continuous operation at 100% of nameplate amps and 150% of nameplate amps for 5 seconds. 3) Drive shall comply with applicable ANSI, NEMA, UL and NEC standards. 4) Drive shall be suitable for operation in ambient temperatures between 40 and 122 F, 95% humidity (non-condensing) for altitudes up to 6000 feet above sea level. Specific drive performance at job- site ambient temperature and elevation shall be provided by the manufacturer in the bid. e. User Interface: A single display shall provide interface for programming and display of VFD and Chiller parameters. Viewable parameters include: 1) Operating, configuration and fault messages 2) Frequency in Hertz 3) Load and line side voltage and current (at the VFD) 4) kW 5) IGBT temperature f. VFD Performance: 1) VFD Voltage Total Harmonic Distortion (THD) and Harmonic Current Total Demand Distortion (TDD) shall not exceed IEEE-519 requirements using the VFD circuit breaker input terminals as the point of common coupling (PCC). 2) VFD full load efficiency shall meet or exceed 97% at 100% VFD Rated Ampacity. 3) Active rectifier shall regulate unity dis- placement power factor to 0.99 or higher. 4) Voltage boost capability to provide full motor voltage at reduced line voltage conditions. 5) Soft start, linear acceleration, coast to stop. 6) Base motor frequency shall be either 50 or 60 hertz. Adjustable frequency range from 38 to 60 hertz or 32.5 to 50 hertz. 7) 150% Instantaneous Torque generation g. VFD Electrical Service: (single point power): 1) VFD shall have input circuit breaker with minimum 65,000 amp interrupt capacity. 2) VFD shall have standard 15 amp branch oil pump circuit breaker to provide power for chiller oil pump. 3) VFD shall have standard 3 KVA control power transformer with circuit breaker provides power for oil heater, VFD con- trols and chiller controls. 4) The branch oil pump circuit breaker and control power transformer shall be fac- tory wired. 5) Input power shall be 380/480 vac, ±10 percent, 3 Phase, 50/60 Hz, ±2% Hz. h. Discrete Outputs: 115v discrete contact outputs shall be pro- vided for: 1) Circuit breaker shunt trip 2) Chilled water pump 3) Condenser water pump 4) Alarm status. i. Analog Output: An analog (4 to 20 mA) output for head pressure reference shall be provided. This signal shall be suitable to control a 2-way or 3-way water regulating valve in the con- denser piping. j. Protection (the following shall be supplied): 1) Under-Voltage 2) Over Voltage 3) Phase Loss 4) Phase Reversal 5) Ground Fault 6) Phase Unbalance Protection 7) Single Cycle Voltage Loss Protection 8) Programmable auto re-start after loss of power 9) Motor Overload Protection (NEMA Class 10) 10) Motor Over Temperature Protection k. VFD Testing: VFD shall be factory mounted, wired and tested on the chiller prior to shipment. 16. Unit-Mounted Variable Frequency Drive (VFD) — (Without Built-In Harmonic Filter — LiquiFloTM1): a. Design: 1) VFD shall be refrigerant cooled, micro- processor based, pulse width modulated design. Water cooled designs are not acceptable. 40PDF Image | Carrier Product Data 19XR,XRV High-Efficiency Hermetic Centrifugal Liquid Chiller 50/60 Hz HFC-134a 19XR — 200 to 1500 Nominal Tons (703 to 5275 kW) 19XRV — 200 to 800 Nominal Tons (703 to 2813 kW)
PDF Search Title:
Carrier Product Data 19XR,XRV High-Efficiency Hermetic Centrifugal Liquid Chiller 50/60 Hz HFC-134a 19XR — 200 to 1500 Nominal Tons (703 to 5275 kW) 19XRV — 200 to 800 Nominal Tons (703 to 2813 kW)Original File Name Searched:
19XRdata.pdfDIY PDF Search: Google It | Yahoo | Bing
Capstone Turbine and Microturbine: Capstone microturbines used and new surplus for sale listing More Info
Consulting and Strategy Services: Need help with Capstone Turbine, sizing systems, applications, or renewable energy strategy, we are here to assist More Info
Container Lumber Dry Kiln: Since 1991 developing and innovating dry kilns using standard shipping containers More Info
Supercritical CO2 Lumber Dry Kiln: Compact fast drying in 3 days or less for small amounts of wood and lumber drying More Info
BitCoin Mining: Bitcoin Mining and Cryptocurrency... More Info
Publications: Capstone Turbine publications for microturbine and distributed energy More Info
FileMaker Software for Renewable Energy Developing database software for the renewable energy industry More Info
CO2 Gas to Liquids On-Demand Production Cart Developing a supercritical CO2 to alcohol on-demand production system (via Nafion reverse fuel cell) More Info
Stranded Gas for low cost power Bitcoin Mining Using stranded gas for generators may provide breakthrough low power costs for cryptocurrency miners. More Info
| CONTACT TEL: 608-238-6001 Email: greg@globalmicroturbine.com | RSS | AMP |