A new series of monitoring and alternating relays protect control systems from premature equipment failure and danger to personnel caused by voltage faults, current conditions or excessive load requirements. According to the manufacturer, the relays can be customized quickly and efficiently.
The Pulse 2000 hydronic low emissions boiler (PHW 2000LE) is a fully condensing boiler that provides efficiencies up to 99 percent. It offers modulation with a 5:1 turndown; propane-fired boilers operate with a 3:1 turndown. The unit can be plugged into a standard 120-vac outlet.
PHE Impact is a free-cooling payback analysis program for ARI-certified plate heat exchangers. The interactive program calculates the payback time and energy-savings benefits that can be gained by utilizing waterside economizers in HVAC systems.
Project Managers Workbook, a Web-based project management program, is an online tool that allows all businesses, regardless of size or field, to streamline and simplify the management of their projects, bring accountability to processes, and protect bottom line performance.
A line of durable packaged terminal air conditioner (PTAC) and packaged terminal heat pump (PTHP) replacement covers for units made by all major PTAC and PTHP manufacturers is available. The covers can be used in multilevel and multiroom buildings.
The Aegis SGR™ Conductive MicroFiber™ shaft grounding ring protects bearings from electrical damage, thereby extending motor life and preventing bearing noise, downtime, and motor repairs/replacements.
The Destiny™ low-pressure indoor air handler is now available with an electric heat option, providing a heating and cooling system in one unit. Heat output ranges from 1.5-55 kW, depending on unit size. Up to four steps of control are available.
The Hawk ICS is an integrated control system embodying precise boiler/burner management and safety with logic-based ancillary devices and functions, said the company. It maximizes efficiency, reduces operating costs, and increases productivity, delivering critical information at the touch of a screen or remotely.
Vibro-Curb is a curb that provides mounting for rooftop HVAC units. The device has integral, vibration-dampening spring isolators that can be easily accessed. Roofing may be completed at a later date without disturbing the unit, which eliminates extra crane or helicopter expenses.
The MACH-ProCom™ BACnet® building controller provides high speed 10/100 Ethernet, SMART-Net communications, expandable I/O, and protocol support for BACnet, RCP, SMTP, and Modbus RTU and TCP (both master and slave).
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