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2013 AHR Expo Product Review

March 4, 2013
The Air-Condiitonng, Heating, Refrigerating Exposition (AHR Expo) is always a showcase of the industry's greatest products. The 2013 Expo in Dallas was no exception.
Potable-water piping
The Greenpipe recyclable polypropylene-random (PP-R) piping system for potable-water applications is now available in diameters of up to 18 in. The 18-in. Greenpipe features a standard-dimension-ratio-11 (SDR 11) wall thickness and is capable of delivering 4,000 to 6,000 gpm. The pipe’s natural R-value of 1—or more depending on pipe size and SDR—delivers potential savings by reducing energy loss. —AquathermAir-filter-clog detector
The FILTERSCAN air-filter-clog detector provides visual, audible, and remote alerts that a filter needs servicing by monitoring changes in differential pressure in an HVAC system. The detector automatically compensates for changes in system blower speed; can be installed upstream, downstream, or differentially across a filter; and works with single-speed, multispeed, and most variable-air-volume systems. It automatically recalibrates each time a clogged air filter is serviced. —CleanAlertFabric-duct tensioning system
The SkeleCore in-duct cylindrical tensioning system for textile HVAC ductwork has been expanded with the addition of a fabric-tensioning system (FTS). The FTS consists of cylindrical tensioning rings attached circumferentially to the fabric via sewn-in clips at the inlet, end cap, and connections; fabric-supporting internal rings; and a lightweight aluminum backbone tube. A lower-cost internal-hoop system (IHS) consisting of factory-installed hoops is also available. —DuctSoxAir purifier
The commercial series APCO rack system is a non-ozone air-purification system for HVAC units in commercial, industrial, and institutional facilities. It features ultraviolet-C (UVC) germicidal irradiation for airborne and HVAC-unit internal-surface disinfection combined with gas-phase air purification and photocatalytic oxidation (PCO) to capture and neutralize volatile organic compounds. The system can be installed in all brands of package and air-handling units ranging from 10 to 200 tons. —FreshAire UVHeat-recovery system
The Airstage VR-II heat-recovery system allows for simultaneous heating and cooling operation. Single outdoor units are available from 6 to 10 tons; units can be combined to provide up to 24 tons on a single refrigerant circuit. When multiple outdoor units are combined, compressor control logic automatically balances the mass flow rate of each compressor. One refrigeration circuit can supply up to 45 indoor air handlers. —FujitsuWall-mount water heater
The latest additions to the ARMOR family of water heaters are wall-mount models with inputs of 125,000 Btuh and 199,999 Btuh. The units offer up to 96 percent thermal efficiency with a 5:1 turndown and a compact design that fits tight installations. They are designed to be installed with a separate unfired storage tank, which prevents lime-scale buildup from impairing a system’s heat-transfer efficiency. —Lochinvar In-line expansion joint
The Seismic Gator in-line expansion joint is designed to protect piping spanning a building’s seismic joint. It is capable of ±4 in. of movement in all directions. It is engineered with gimbal and bellows technologies combined with a MetraGator expansion joint. It has a maximum working pressure of 150 psi and a maximum working temperature of 700°F. —MetraflexEnergy-recovery system
The eQ Series dedicated-outdoor-air energy-recovery system is available in eight sizes under 15,000 cfm for schools, offices, hotels, and other commercial applications of 50,000 sq ft and less. The unit features an onboard microprocessor and 3-angstrom molecular sieve enthalpy-wheel technology. The Dynamic Novel Automation controller monitors both outdoor temperature and dew point to determine when the enthalpy-based economizer cycle should activate the moisture-removal and reheating modes. —SEMCO Indoor-swimming-pool dehumidifier
The Protocol NP Series indoor-swimming-pool dehumidifier is available in capacities from 18 to 140 tons. The units are designed to provide energy-efficient natatorium space heating/cooling and humidity control, while offering free pool-water heating and reheat through heat recovery. The Protocol Series replaces vapor-compression refrigerants with glycol, an environmentally preferred heat-transfer fluid for LEED and other sustainable-building projects. —Seresco USA Inc.High-efficiency-pump line
Wet-rotor Viridian pumps feature electronically commutated motors, fully automated self-sensing variable-speed operation, and simple Web-style controls. They are available in capacities of up to 375 gpm. An Ethernet connection allows remote control, monitoring, and adjustment. The Viridian is suitable for fluid temperatures from 14°F to 230°F and water/glycol mixtures in concentrations of up to 50 percent. —TacoRedesigned UV-C fixture
The redesigned X-Plus UV UV-C NEMA 4X fixture accommodates 17- to 61-in.  extended-base lamps, which easily mount from the exterior of any HVAC system, air handler, plenum, or duct. The redesigned version nearly doubles lamp-length compatibility, while a new ballast provides voltage flexibility from 120 V to 208/230/240 V and 277 VAC. The ballast automatically matches its output voltage and current to the power requirements of a particular lamp.  —UV ResourcesHydronic balancing solutions
Victaulic provides a comprehensive line of hydronic balancing products, as well as Tour & Andersson (TA) instruments (TA-SCOPE and TA-CMI) and software (TA Link and TA Select). TA-SCOPE provides quick and accurate measurement of differential pressure, flow, temperature, and power to ensure hydronic heating and cooling systems are operating at the most economic and comfortable settings; TA Select makes valve selection easy as it takes desired flow, pressure drop, and flow rate into consideration during valve selection. —Victaulic Plastic-pipe-fusion system
The TRITON pipe-fusion system is a plastic-pipe-welding solution that uses radio-frequency electromagnetic technology to improve pipe-joining and testing times. Using TRITON, ¾-in. plastic pipe can be fused in approximately 40 sec, and welds are ready for pressure testing immediately. TRITON includes three components—a control unit, fusers, and fittings—that operate together to create durable outside-diameter welds offering unobstructed flow and low pressure drop. —WattsCirculator pump
Designed for commercial hydronic applications, the MAGNA3 variable-speed wet-rotor circulator features the AUTOAdapt function, which automatically and continuously adjusts circulator performance, and the FLOWADAPT control mode, which reduces the need for pump throttling valves. The pump’s variable-speed, electronically commutated motor uses an integrated logic algorithm to “learn” the energy-usage patterns of an application over time, enabling the software to automatically determine the lowest operating‐ efficiency point to meet ever-changing demand. —GrundfosLiquid-desiccant system
The DT-RT 2500/15 is a factory-assembled, single-piece liquid-desiccant dehumidification and cooling unit. The non-toxic lithium-chloride desiccant-based system enables precise control of indoor environments by offering independent temperature and humidity control in a single packaged rooftop unit. —Advantix SystemsWater pressure booster system
The Aurora IntelliBoost variable-speed constant-pressure booster system is designed for fresh-water applications in high-rises, office buildings, hospitals, hotels, and other commercial and industrial applications. The system combines a variable-frequency drive for each pump and a programmable logic controller with a proportional integral derivative loop to stage up to four pumps based on pressure and flow needs. —PentairBrazed-plate heat exchangers
Four models of 3-in. and 4-in. brazed-plate heat exchangers are well-suited for large hydronic heating applications, refrigerant evaporators, condensers with large chillers, and many other applications requiring flow rates of up to 800 gpm. All have a design pressure of 435 psig and min/max design temperature of 310°F/450°F. —XylemAugmented-reality app
The Titus augmented-reality (AR) app allows smartphones and tablets to recognize images in Titus HVAC literature and printed documents and augment it with hidden content, such as video, animation, and drawings. The free app is designed to provide consulting engineers with additional explanations and make content easier to understand by seeing it in action using multimedia channels.  The company has incorporated Titus AR logos in print catalogs, equipment, advertisements, and business cards. Customers simply download the Titus AR app and then use their smartphones to scan the logo to unlock the hidden content. —TitusBuilding-automation gateway
QuickServer is a high-performance, fully configurable building and industrial automation gateway designed to enable integrators to easily interface devices to networks in commercial buildings and industrial plants. The FS-QS-10XX Series is preloaded with two BAS drivers (serial, Ethernet, and/or LonWorks) and can handle up to 250 points. The FS-QS-12XX Series QuickServer can use any serial, Ethernet, or LonWorks driver in the extensive FieldServer driver library. The FS-QS-12XX Series can handle up to 500 points and is available with a choice of RS-485, RS-232, or RS-422 serial ports in addition to Ethernet and LonWorks. —Field Server TechnologiesFan diffuser
The AxiTop diffuser has been optimized for use as a passive component in ebm-papst 800- and 910-mm series fans. The low-profile (250 mm  tall) diffuser reduces discharge losses substantially. Energy savings of up to 27 percent and a simultaneous 7.2-dB(A) reduction in operating noise are attainable. With the same power consumption, an AxiTop-equipped fan can generate up to a 9-percent higher flow rate with an approximate 4.9-dB(A) reduction in noise compared with a fan without the diffuser. —ebm-papst 

Variable-refrigerant-flow with heat recovery
Carrier has expanded its variable-refrigerant-flow (VRF) offerings to include heat-recovery models under the name Toshiba Carrier SHRM-i. Toshiba Carrier SHRM-i VRF systems feature multiple inverter-driven compressors. The three-pipe heat-recovery systems are well-suited for applications  requiring simultaneous heating and cooling, maximizing efficiency by transferring energy from one indoor zone to another through refrigerant piping. —Carrier     

Low-horsepower motors
The ARKTIC 59 constant-speed, brushless DC motor is offered in a 1/15-hp version with an operating speed of 500 to 1,800 rpm. The electronically commutated motor is designed to be a drop-in replacement for 3.3-in. shaded-pole and permanent-split-capacitor motors in the evaporators of commercial refrigeration walk-in coolers and freezers. —Morrill MotorsBACnet thermostats
AppStat BAC-4000 thermostats combine a BACnet controller and temperature/humidity/motion-sensor options in a single, space-mounted device. AppStat is an integrated native BACnet application-specific controller. No external communication or occupancy modules are required. All models include an integrated BACnet schedule and hardware real-time clock with 72-hr capacitor backup for stand-alone operation or network time synchronization. —KMC ControlsWater-source heat pump
The Tranquility 22 two-stage compact TY water-source heat pump is available in 2- to 5-ton capacities with multiple cabinet options (vertical upflow and horizontal) and has one of the industry’s smallest footprints, making it suitable for installation in tight places and for the replacement/retrofit market. The TY has an extended-range refrigerant circuit for both ground-loop (geothermal) and water-loop (boiler-tower) applications. —ClimateMasterPipe coupling
The Grinnell Rapid Installation Pivot-Bolt (GRIP) coupling is designed to provide easy, consistent pipe coupling. The pivot bolt means there is only one bolt to tighten, which reduces installation time. The coupling’s patented tongue-and-groove pad grips the entire circumference of a pipe’s groove. The couplings can withstand pressures of up to 750 psi and temperatures of up to 250°F. —Grinnell Mobile app for refrigeration systems
A mobile application for Android phones and iPhones helps technicians troubleshoot mechanical and electrical problems in a refrigeration system. When a system problem is entered, the app provides possible origin scenarios to help pinpoint a solution. The app works with all refrigeration systems regardless of cooling capacity or compressor brand. —Embraco