Schaffner EMC introduces the ECOsine® Active 3420, a harmonic filter which provides harmonic compensation in real-time for industrial and commercial environments. With a capacity of 30 to 300A, operating at 200-480VAC (+/- 10%), the connection-ready 3420 (3-wire) cabinet models include forced air cooling and internal liquid cooling (200-300A), for the power electronics.
Greenheck says its new FumeJet pre-engineered, centrifugal fume exhaust packaged models offer extended discharge to reduce and prevent exposure to harmful fumes and odors outdoors. Designed per ANSI Z9.2 standard for local exhaust systems, Models FJC and FJI aim to provide a compact footprint with motors and drives located under a common weatherhood.
Nidec Motor Corporation (NMC) is launching U.S. MOTORS® brand Hybrid Drives™ for commercial and industrial applications. The 1-10 hp drives are part of NMC’s ACCU-Series™ line of variable speed and inverter duty products, which the company says forms a system solution for maximum compatibility, reliability, and performance.
Carrier has introduced the AquaSnap 30RAP chiller featuring the Greenspeed Intelligence option, which includes variable speed technology. The company says adding Greenspeed Intelligence to a 30RAP chiller will boost integrated part load value, making it a more efficient chiller in its class, serving applications from 10 to 60 tons.
Taco has expanded its SelfSensing pump capabilities with the addition of CI and FI end suction pumps. The company says it is the first pump manufacturer to offer SelfSensing end suction pumps and the first to offer drives with a SelfSensing bypass option.
The Drives & Motion Division of Yaskawa America has introduced the Z1000U HVAC Matrix Drive. The company says the drive provides extremely low harmonic distortion in a space-saving design, along with the same HVAC-specific features as the standard Z1000.
Control recommissioning in existing buildings presents an excellent opportunity to not only save energy, but to fix operational deficiencies and work with the building’s occupants to reduce complaints.
Retrieving every last bit of performance from the system while stopping short of the surge line is no small feat. Dig into sizing, tower selection, chilled water loads and stability, and condenser water management to leave no efficiency stone unturned. Read more in April issue