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The DDL pneumatic valve diagnostic system is said to offer tar superior fault detection than currently available. NIST has developed two fault detection and diagnostic tools to assist operators in monitoring the performance of Heating, Ventilating, and Air Conditioning systems: Air Handling Unit Performance Assessment Rules (APAR) and Variable Air Volume (VAV) Box Performance Assessment Control Charts (VPACC). BOSTON -- SatCon Technology Corporation[R] (Nasdaq CM: SATC), a developer and supplier of power management and system architecture solutions for the alternative energy and distributed power markets, today announced that it is the first provider of high-power, commercial photovoltaic inverters to deliver and install a UL1741 approved ground fault detection interrupter ("GFDI") resulting in significant savings for installers of photovoltaic systems. |
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