The textbook HVACR 401: Heat Pumps is designed for an experienced apprentice or journeyman who seeks to learn more detail on the operation of heat pumps. The book, published by Delmar Cengage Learning, emphasizes the service technician’s perspective and progresses from the refrigeration cycle to more in-depth topics.
Designed for the iPad, iPod Touch, and iPhone, the WiPry-Combo dynamic power meter and spectrum analyzer accessory offers a modern touch interface; it turns an iOS device into an ultraportable spectrum analyzer and dynamic power meter.
Heil® QuietComfort® 96 percent plus AFUE gas furnaces feature models with stainless steel primary and secondary heat exchangers. According to the manufacturer, it designed the new line of gas furnaces after conducting focus groups with dealers across the country.
Digital pressure gauges have been added to the line of process pressure instrumentation. With a 2.5-inch dial face, EDG gauges display both positive and negative pressures on an easy-to-read LCD screen. Accuracy of ±1 percent of full scale provides the reliability needed for the user’s process.
Inspection of tubes up to 4 inches inner diameter in any shape or material can be achieved for boilers, fin fans, and other heat exchangers with the Dolphin G3™. Achieving speed as fast as 10 seconds per tube, the tool features patented acoustic pulse reflectometry (APR) technology.
Minimizing frost accumulations on refrigerator evaporator coils and fins, the Ice*Meister™ Model 9734-REFR optical defrost controller can be used in commercial walk-in refrigerators and reach-in refrigerated display cases, and other self-defrosting chiller systems in supermarkets, restaurants, school cafeterias, and more.
Weather Guard® Products Pack Rat® drawer units for trucks and vans are made from durable 14-gauge steel. The drawer units offer easy access to hundreds of pounds of tools and supplies while leaving floor space open for hauling materials or moving in and out of the vehicle.
An efficient and lightweight rooftop solar hot-air collector — the Luba™ GL — is designed for supplemental outside air heating in commercial, institutional, and industrial facilities. Patented by Solarventi Ltd., the technology has a maximum thermal output of 247 Btuh/square foot.
Offered in sizes 6 through 10 tons with belt-drive blowers, the Tranquility Compact Series is available with a vertical cabinet. The series has an extended range refrigerant circuit, capable of ground loop applications, ground water applications, as well as water loop (boiler-tower) applications.
The CoreSense™ Diagnostics electronics modules in Copeland Scroll® compressors unlock advanced capabilities in fixed-speed and two-stage compressors. Designed to help contractors troubleshoot residential air conditioning systems, the modules use the compressor as a sensor.
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