Model SWD is a direct drive, backward-inclined utility fan that utilizes an electronically commutated (EC) motor. Powered by Greenheck’s energy efficient Vari-Green motor, Model SWD achieves the performance of Greenheck’s Model SWB belt-drive centrifugal utility fan, including its high operating efficiencies and high-pressure capabilities, in variable-volume airflow applications without the need to change belts. Available in seven sizes with capacities from 100 to 5860 cfm and up to 2.5 in. w.c., Model SWD is suitable for ducted exhaust and supply and return-air applications typically found in commercial kitchens and fume hoods. —Greenheck
The SMART SIZE water-heater-sizing program helps consulting/specifying engineers and facility owners and managers select the most appropriate water heater for their facility load demands. The online tool, available at www.aercosmartsizing.com, is guaranteed by the manufacturer to accurately calculate a building load and recommend the proper water heater to satisfy the specified load without excessive oversizing. Users can size multiple systems or zones within a single building. They can also size multiple systems or zones within a single building that has multiple applications, such as a hospital and restaurant. Other considerations, such as storage tanks, stored water volume within the piping, and hydronic buffer tank, can also be incorporated into the Water Heater Sizing Program to ensure the most accurate scenario and product selection. —AERCO International
The HVAC Meter Kit and HVAC DMM Kit are well-suited for facilities engineers who regularly measure surface temperature and electrical parameters. The HVAC Meter Kit includes General Tools’ TRMS multimeter with NCV detection (DMM570) and 30:1 ultrawide-range infrared thermometer with K-port. Accessories include a pipe-wrap thermocouple, a K-type stem thermocouple probe, a K-type bead thermocouple probe, an adaptor for thermocouples with spade lugs, a pair of CAT III 1000V rated test leads with alligator clips, and a magnetic meter hanging strap. The HVAC DMM Kit includes the DMM570 but combines it with the auto-ranging AC/DC TRMS 400-amp clamp meter. Accessories include a pipe wrap thermocouple, a K-type stem thermocouple probe, a K-type bead thermocouple probe, an adaptor for thermocouples with spade lugs, a pair of CAT III 1,000V-rated test leads with alligator clips, a pair of CAT III 600V-rated test leads with hard points, and a magnetic meter hanging strap. —General Tools & Instruments
Noritz NCC1991 tankless water heaters are designed to meet the demands of commercial applications such as schools, restaurants, laundromats, and medical and government facilities. Up to 24 tankless water heaters can be linked together with a single system. The stainless-steel exterior casing and heavy-duty copper piping in the unit's heat exchanger is designed to provide a high level of durability. —Noritz America Corp.
RectorSeal FastFind Pump Selector is an interactive, Web-based condensate pump selection tool for ductless mini-slit systems. The easy step-by-step process intuitively matches the correct Aspen Pumps ductless mini-split condensate pump with dozens of models from more than 15 mini-split brands. The user initiates the selection process by choosing a brand, model and whether the installation requires a maxi (more than 34-ft. of head) or mini (less than 33-ft. of head) style pump. Once the proper pump location — remote, lineset interior, external evaporator case, or drain pan — is chosen, the website intuitively leads the user to the pump's specific product information Web page for installation guidance, voltage requirements, wiring diagrams, and other specification and installation data. —RectorSeal
The MACH-ProPoint Output (MPP-O) expansion module is a flexible solution ideal for applications with large output requirements. It is designed to maximize the monitoring capacity of any Reliable Controls MACH-ProCom/Sys or MACH-ProWebCom/Sys HVAC building controller. Featuring 16 universal outputs, the MPP-O provides maximum output flexibility. Users can mix and match up to 8 MACH-ProPoint expansion modules (MPP-IO, MPP-O, and/or MPP-I) to achieve up to 128 inputs or outputs. The maximum possible total I/O for any controller is 168 points. Expansion modules can be daisy-chained to the I/O-Net port of a MACH-Pro or MACH-ProWeb controller in any combination. —Reliable Controls
Single-zone variable-air-volume systems combine electronically commutated motors and factory-programmed variable-speed controllers that adjust the speed of the unit’s motor and its air volume to meet unique load requirements in various spaces of a building. The terminal units are designed to improve efficiency by up to 66 percent compared to units that use permanent-split-capacitor (PSC) motors. Because it precisely matches load requirements, the motor’s variable-speed technology is well-suited to handle partial-load conditions. In addition to infinitely variable fan speeds, the VelociTach motor control board enables real-time performance monitoring to enhance serviceability, ensures optimal performance for the life of the equipment, and reduces the time required for installation and startup. —Trane
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