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.
This project team left nothing to chance when it came to designing a five-story mixed-space facility for a Chicago gaming company. They also dealt a full hand of space-specific tactics: upgraded DX units, a dedicated variable-speed kitchen exhaust system, underfloor air, and better motors and drives improved the odds for efficiency. Pull the handle on this project story to get to the payoff.
Many engineers tend to avoid or delegate the nitty gritty of a ground source heat pump system, from soil moisture effects to building system (im) balance. It's time for designers to get in the loop. Learn more about Grounded In Reality in the December issue. Other topics in the December issue include health care HVAC, Boilders, check out the Back2Basics, and more.