Ebm-papst says it has developed a new EC fan line that ensures efficient, economical, and quiet operation. The size 500 axial fans from ebm-papst were specially engineered for use in outdoor heat pumps and have now been optimized for energy efficiency and noise reduction.
The York Direct Fit rooftop replacement solution from Johnson Controls now includes a full line of 3- to 8.5-ton packaged heat pumps. Like other products in the Direct Fit series, the company says its heat pumps feature an exact-fit replacement design that matches the units to footprints of other manufacturers’ units and reduces installation time, cost, and complexity by eliminating the need for a curb adapter.
All Laars commercial NeoTherm boilers now come with a large color touch screen as standard equipment. The company says the touch screen allows for quick access to the control’s full functionality in a user friendly interface. A new variable speed boiler pump control option, VARI-PRIME™, is also available that optimizes total installed efficiency by matching boiler input modulation to pump flow.
Unfortunately, the potential threats to building occupants are varied and increasing. To adapt properly, let’s look at the culture change needed in the design process. Commissioning, recommissioning, and preventive maintenance are further pieces of a strategy to assure ongoing safety.
Johnson Controls introduced its new TEC3000 Series thermostat controllers. The company claims these direct hardware replacements for TEC2000 Series thermostats reduce installation time by loading all configuration files and parameters at once using a USB stick. The thermostats also offer rapid-speed commissioning by using the USB stick to commission multiple TEC3000s of the same model.
Spirax Sarco has released a range of desuperheaters that offer an effective solution for steam conditioning and enhanced thermal energy transfer. The company says its desuperheaters provide the answer when precise control and reduction of superheated steam temperature is required.
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.