HydroTherm’s KN self-adaptive, high-efficiency, gas-fired boilers feature Mestek’s Tru-Flow™ technology to control the air fuel mixture at all firing rates and venting conditions.

Boilers / Water Heaters

The KNIGHT line of commercial boilers from Lochinvar offers a fully modulating burner with 5:1 turndown and a cascading feature that allows multiple boilers to be controlled by one central boiler. The turndown feature allows a KNIGHT boiler to generate as much or as little heat necessary to provide a consistent, stable indoor temperature. The KNIGHT offers a simple SMART SYSTEM™ operating control with a user-friendly interface. Plus, the boiler's self-diagnostic features will interface with a PC to speed up service calls and show trends in energy consumption. The cascading feature means that no additional control must be purchased to get the money saving advantages of a sequencer in the KNIGHT.

Spirax Sarco, Inc., will exhibit its BDHR Series of packaged boiler blowdown heat recovery systems that are designed to recover up to 95% of the heat energy normally lost with conventional continuous blowdown separators. The resulting condensate can be used to preheat boiler makeup water, and the resulting flash steam can be used to heat the deaerator tank or for other fuel-saving uses. As they recycle waste energy, BDHR systems cool boiler blowdown to 140°F or less, acceptable for discharge to municipal wastewater systems. The modules are available with eight sizes of centrifugal blowdown vessels ranging from 8 in. to 26 in., with capacities from 100 lb/hr to 100,000 lb/hr.

RBI's next generation of sealed combustion, direct vent Futera boilers will be on display. The boilers feature full modulation and 3:1 turndown, and are designed to supply the precise amount of heat necessary to maintain desired building temperature by matching heating demand without over-firing and wasting energy. Models are available ranging from 500 to 2, 000 Mbh to meet any heating demand or application. In addition to the new Futera III Series Boilers, RBI will also display the LCD and Dominator Series boilers and water heaters during the AHR Expo.

Smith Cast Iron Boilers will feature its 28HE Series high-efficiency boiler at the Expo. The 28HE Series offers the highest combustion and thermal efficiencies possible with forced draft firing, and is the most efficient commercial steam boiler on the market today. It offers thermal and combustion efficiencies of up to 86% for oil and 83% for gas, and is available in 15 basic sizes, with gross output ratings from 931 to 4,622 Mbh and can be used in either water or steam systems with light oil, gas, or gas/light oil.

The Peerless® Pinnacle® PI-399 gas-fired, commercial boiler from Peerless Boilers is available for either natural or LP gas. The direct-vent, sealed combustion boiler offers a fully modulating burner and 95% combustion efficiency. Standard features include spark ignition; a safety relief valve; the Krom Schroder gas valve - Venturi System; and a P125 control board, from which supply and return temperatures, flame signal, fan speed (firing rate), and more can be viewed from an LED module. A switch to "service mode" enables contractors to manually control the firing rate, and an optional interface module allows for the control of outdoor reset, dual temperature setpoints, and modulating sequencing of multiple boilers. Also available is PC software to display boiler status and fault history.

The QVM10 from Quietside Corporation is a wall-mounted, gas fired, dual-purpose hydronic heat system for space heating in addition to "on demand" DHW supply. Models are available in 90,000, 115,000 and 135,000 Btuh capacities, with a 95% AFUE efficiency level and an Ef of 0.88 together with Energy Star approval. These units are easy to install, feature sealed combustion, and are vented with Schedule 40 PVC/ABS.

Bryan Steam LLC will exhibit several products, including the new Bryan Compliance+® Series hot water and steam boilers featuring the company's new ultra low NOx boiler/burner design. These gas-fired boilers utilize the latest metal fiber burner technology combined with air-fuel ratio control and a PID controller to provide a 4:1 turndown ratio and corrected NOx levels of sub 12 ppm through the entire turndown range. The units are available as either hot water or steam (15 psig/150 psig) in four inputs: 2,100 Mbh, 2,400 Mbh, 2,700 Mbh, and 3,000 Mbh.

Also featured will be a cutaway of the RV Series boiler with the "rapid mix" combination gas/oil Gordon-Piatt forced draft burner. The boiler burner package is capable of achieving ultra low NOx with gas firing sub 9 ppm and reduced NOx on oil. Boilers equipped with this burner range in size from 5,500 Mbh to 8,000 Mbh and this burner is used to fire up to 21,000 Mbh with Bryan's RW Series boilers. The cutaway boiler provides an inside look at the boiler's exclusive single-sided tube removal, along with the other exclusive design and construction features of Bryan boilers.

Also on display is a special updated version of the DR Series boiler with a sub 30 ppm low NOx, power flame, forced-draft gas burner in sizes ranging from 350 Mbh to 850 Mbh. This version provides a look at the internals of the special boiler and burner. Two other related products to be shown are the new automatic surface and bottom blowdown systems, along with the Bryan tray-type deaerator, which is offered in ranges from 5,000 pph up through 300,000 pph.

Tranter PHE’s SUPERMAX® all-welded plate heat exchanger features alternating channels for hot and cold media, and can be configured to provide true countercurrent or co-current flow.

Heat Exchangers

Onset Computer Corp.’s new HOBO® FlexSmart™ datalogger accepts a vast array of sensors via snap-in modules, simplifying energy monitoring applications.

Sensors / Transducers / Dataloggers

Setra Systems will be introducing the new Micro-Cal Model 869, ultra-low pressure and documenting calibrator at the Expo. The unit has been specifically designed for air handling processes in critical environments that require portable, high accuracy, and low-pressure documenting calibration to certify pressure needs by performing calibration checks on sensors with accuracies as high as .00025 in. wc. This battery-powered unit provides a minimum of eight hours of operation, while giving a pressure reading accuracy close to .0001 in. wc with fast, stable, and repeatable pressure generation better than .0003 in. wc.

The Low-NOx GreenLine 4000 from E Instruments Group provides the latest technology in portable flue gas analysis for compliance assurance monitoring, including up to four gas sensors and a patent-pending water trap. Measurements from 0 to 25 ppm NOx are available, with 0.1 ppm resolution. Analysis also extends to factors like combustion efficiency, excess air, and CO2 percentage calculations. Hydrocarbon measurements contribute to combustion safety, and true NOx capabilities are available with NO and NO2 sensors.

Onset Computer Corp. will feature its modular datalogging system, the new HOBO® FlexSmart™ datalogger, which accepts a vast array of sensors via snap-in modules, simplifying energy monitoring applications. Features include innovative, snap-in signal conditioning modules that convert signals from nearly any type of sensor; powerful software that makes set-up and deployment fast and easy; +0.25% full-scale accuracy over 0-20mA and 0-20VDC ranges; and 12V sensor excitation power with programmable warm-up times.

Testo will exhibit its CompactPro Series multifunction meters for advanced applications. The units are "working standard" meters that measure temperature, relative humidity, absolute pressure, pressure dewpoint, and equilibrium moisture (material moisture) using interchangeable probes. An industry-first wireless probe for temperature/humidity is available as an option for both the 635-1 and 635-2 models. This plug-and-play option allows hands-free measurements up to 20 meters (65 ft) away from the instrument. Humidity accuracy with the wireless option is a remarkable ±2% rh. Up to three wireless probes can be activated and displayed per instrument.

Thermostats

White-Rodgers will feature the 90 Series Blue touch screen thermostat, which is designed to deliver advanced features, including simple and logical installer menu setup; programming and operation with audio confirmation; temporary vacation overrides; filter-change reminders; temperature accuracy within +1°; and improved security features. The thermostat also features the industry's largest touch screen (12 in.) and temperature readout, as well as color-coded temperature keys and extra-large touch keys.

Fans

Twin City Fan & Blower will feature its BCRD-E power roof exhauster with polymeric housing. The specially formulated polymeric material provides the same long lasting characteristics of spun aluminum designs, but also offers impact, weather, corrosion, and UV resistance. The unit has been tested by UL in accordance with UL standards 94 746A and 746C.

Heaters

Modine Manufacturing Company will feature its new Hot Dawg® Model HDS separated combustion garage heater. The new model is based on the existing Hot Dawg heater platform, with Btu inputs of 30,000, 45,000, 60,000, and 75,000. This new design offers improved efficiency, greater durability, and less maintenance. The unit draws its combustion air from the outside, which ensures it always has plenty of fresh, clean air to breathe, and will reduce concerns about dusty, dirty, or humid applications. As with the original, the new HDS features Modine's field-proven tubular heat-exchanger design. Both the HD and the new HDS are designed for use with natural gas or propane with fast, easy installation.

Motors / Drives

Controls / BAS

The new APR Control from Rawal Devices Inc. provides full capacity modulation for DX A/C systems of all sizes. Responding quickly to changing conditions, the unit is designed to efficiently control temperature and humidity to maximize comfort and eliminate excessive compressor cycling. The APR Control maintains the system in a dehumidifying mode without risk of coil icing or liquid slugging. The unit is suited for VAV systems where fluctuating or reduced airflow across the evaporator can cause coil icing and high-percentage makeup air systems where significant variations in the heat content of outside air can cause unusually frequent system cycling.

Johnson Controls introduces its Metasys field equipment controllers, a family of BACnet compatible devices used to control building heating, ventilation, and cooling. These controllers use standard master-slave/token-passing communications, state-based control techniques, continuous loop tuning, and pulse modulated adaptive control of staged devices. The combination of features results in less energy use, less equipment wear and tear, lower installed costs, tighter control of environmental conditions, and reduced service cost. It achieves all of this while using standard BACnet objects and communications. This convergence of advanced control technology with BACnet standards provides a solution that will yield long-term results for building operators and owners.

Distech Controls will showcase the new VAV controller line, recipient of the AHR's Innovation Award Honorable Mention, a LonWorks®-compatible VAV controller, which is designed to meet the requirements of any VAV or VVT controls application, including dual duct, and covers a wide range of sensors and actuators as well as many other types of HVAC and lighting applications. Features include wireless communication with up to 30 wireless, battery-less room sensors; support of wireless light switches and an option to send the command to any LonWorks lighting control system; optional second on-board pressure sensor for dual duct applications; and a new space temperature sensor with LCD with password protection, airflow balancing, and I/O visualization.

Contemporary Controls will feature its eight-port Skorpion switch for industrial automation systems. The Skorpion-8 complements its five-port brother, but with additional ports at a minimal cost. Features include a 0° to +60°C operating temperature range, power capability from either an unregulated DC power source (10 to 36V) or from an AC power source (8 to 24V, 47 to 63 Hz). The switch also has redundant power connections, troubleshooting LEDs, and is industrial EMC compliant as well as RoHS compliant. To aid troubleshooting, each port LED is lit solid if a valid link exists to an attached device, flashes to show activity, and indicates data rate by color: green for 100 Mbps and yellow for 10 Mbps. A separate green LED indicates the device is powered.

Computer Process Controls will exhibit its Control Link Platform that is designed to replace electromechanical equipment found in refrigerated cases with cutting-edge electronics, enabling communication to facility management systems and remote monitoring services. The platform can be installed in a variety of refrigeration and specialty applications. Temperature-terminated defrost maximizes energy savings and reduces product shrinkage. Controller alarms indicate dangerous conditions or maintenance issues. This controller is among the first of a new generation of communicating, application-specific controllers in the industry, enabling endusers to access and integrate a universe of data, which has never before been possible.

Reliable Controls will showcase its new MACH-Stat™, which features an I/O configuration of 10 inputs and eight outputs (each output being a socket into which a relay or universal output module can be inserted). The MACH-Stat combines the executive-style of the SSL with the high-performance and durability that were trademarked in the MACH-Vision™. The new MACH-Stat is easy to mount and complements any decor.

Tridium Inc.’s NiagaraAX is specifically designed to address the challenges of building device-to-enterprise applications, Internet-enabled products, and Internet-based automation systems.

Software

Tridium, Inc. will also exhibit its new Vykon Cost Profiler module, designed to further help companies manage their energy budgets, analyze rates, calculate actual costs, and reduce energy expenditures. Built on the Niagara Framework®, Vykon Cost Profiler is the latest reporting module for the company's Vykon Energy Suite®, a comprehensive enterprise energy management application that gathers, analyzes, and communicates up-to-date energy information based on real-time and interval data. Cost Profiler complements the existing reporting and analysis capabilities of the Vykon Energy Suite by allowing users to not only identify how much energy can be saved but also how much that energy is worth in real dollars. It delivers the information corporate and facility managers need to deal with energy in financial terms.

Distech will also showcase its Lonwatcher 3 network management tool, a feature-rich software program for fast and cost efficient set-up, commissioning, and maintenance of LonWorks® products and multi-vendor systems, and their interaction. Lonwatcher 3 is a tree-view oriented program, promoting a user-friendly interface and intuitive navigation through the network, regardless of the amount of devices. Features include a LonWorks network and device manager, capability to launch any LNS-based plug-ins from the application, and advanced user productivity features through batch and one-click operations.

Emerson Climate Technologies will exhibit its condition-based maintenance software, a patent-pending program that continually collects, analyzes, and monitors data from refrigeration equipment and systems. Instead of providing schedule-based preventative maintenance, this software indicates when service should be provided based on the health of the system. Electronic notifications are generated to retailers or a third-party provider only when in-store equipment service is required. This allows retailers to perform the right amount of maintenance to keep equipment operating at peak efficiency levels.

Emerson Climate Technologies will also showcase its Comfort Alert platform that combines active compressor protection and diagnostic capability. The platform features built-in communication, simplified controls for two-stage compressors, and three-phase-compressor active protection that protects the compressor from damaging conditions, including miswire and reverse rotation. It improves diagnostic accuracy by 60% and reduces callbacks by 50% to achieve faster, more accurate system troubleshooting and increase contractor profitability.

The new APR Control from Rawal Devices Inc. provides full capacity modulation for DX A/C systems of all sizes.

Air Conditioning Units

The Bard "S" series is designed to be the most efficient wall-mounted air conditioner on the market, featuring a multi-step capacity compressor with green refrigerant R410A. It's designed to be ideal for new construction, modular applications, school modernization, telecommunication structures, and more. Additional product features include ECM indoor blower motor, dual pressure controls, compressor control module, and step-capacity scroll compressor. Ventilation packages ranging from economizers to an ERV that allows 450 cfm of fresh air provide the flexibility required to meet a wide variety of engineered specifications.

Lennox has expanded their commercial air conditioner and heat pump product offering with the addition of new T-Class™ 3- to 5-ton models. These units feature efficiencies up to 13.00 SEER and 7.70 HSPF (Region IV) for excellent energy efficiency and operating cost savings. Like all T-Class products from Lennox, these units are designed to provide rugged durability and muscular performance. The units offer sound ratings as low as 76 dB, while the scroll compressors and high efficiency outdoor coils provide efficient operation and energy savings. Brass service valves and centrally located refrigerant connection and electrical inlets speed installation and maintenance. Drainage holes also prevent the collection of damaging moisture.

Patterson Pump Company’s new Pro-Max® HVAC pump features precision bearings and machining limit shaft deflection to only 0.002 in. at the seal face, and flows to 2,500 gpm, with heads to 450 ft TDH.

Pumps And Valves

Humidification

Steril-Aire will feature its new “Remedial In-Room Decontamination System (RIDS),” designed to provide a safe and effective way to decontaminate surfaces infested with mold and bacteria.

UVC

DRISTEEM's new Ultraviolet Germicidal Systems create healthier indoor air, increase HVAC efficiency, and reduce equipment maintenance by eliminating mold growth on cooling coils. Model UVR's unique reflector design increases efficiency by concentrating ultraviolet energy on the coil and drain pan. Systems are available in three models to fit every cooling coil application, including large and small AHUs and packaged rooftop units. Systems can be installed out of the box or specifically designed for the AHU's dimensions. Fixtures come preassembled and ready to mount on the support channel, eliminating onsite fixture assembly.

Air Purification

Victaulic Company’s Advanced Groove System (AGS) features an innovative, wedge-shaped groove that provides high-pressure ratings (up to 350 psi).

Valves & Actuators

Henry Technologies will be exhibiting a range of new high-pressure relief valves, which improve the operation of refrigeration systems that use new refrigerant blends and operate at higher pressures. The new pressure relief valves are Models 6500, 6501, and 6600. The 6500 series are targeted towards systems operating with new refrigerant blends. These 360 brass alloy valves have been specifically designed to operate with small to medium size systems using R410A refrigerant, the proposed replacement for R22. The 6600 series pressure relief valves are designed to support new refrigerants operating at higher pressures up to 750 psig and are basically a stainless steel construction. Pressure range for the valve is 451 to 750 psig at temperature ranges from -20 to 225°F.

Copeland Corporation’s Scroll Digital compressor is now available for use in commercial air conditioning applications in which temperature control, humidity control, energy efficiency, and equipment reliability are critical.

Compressors & Condensing Units

Copeland Corporation's Scroll Digital compressor, a 2003 AHR Innovation Award winner in the refrigeration category, is now available for use in commercial air conditioning applications in which temperature control, humidity control, energy efficiency, and equipment reliability are critical. The unit uses axial-scroll-compliance capability to unload the compressor without shutting down. This unique feature provides infinitely variable modulation between 10% and 100% capacity, without compressing refrigerant that is not needed for room cooling. The compressor matches capacity to varying load conditions to maintain precise temperature and improve dehumidification - ideal for cooling areas with widely varying loads or vital electronics. This innovation gives AC manufacturers the flexibility to design systems for applications in which efficiency and temperature-control requirements are not satisfied by traditional modulation methods. The compressor is available in 4- to 10-hp models, in both R-22 and R-407C.

Emerson Climate Technologies will showcase its Intelligent Store Discus compressor, one of the most energy-efficient compressors available. The unit enables advanced communications with integrated electronics, performs in a variety of refrigeration applications, and operates with a wide range of refrigerants. The compressor provides a whole new level of control, by integrating system electronics, gathering compressor information, transmitting operating data, performing self-diagnostics, and enabling remote diagnostics. A compressor controller helps the service mechanic diagnose a system by indicating where a problem lies, how to correct it and compressor fault codes. The compressor features an LED with status codes, simplified wiring, reduced potential leak points, and remote diagnostics/predictive maintenance.

Other Products

Nicholson Steam Trap will showcase its FTE Series, high capacity, float, and thermostatic steam traps in sizes 1/2 to 2 in., for pressures from 5 to 464 psi, and temperatures to 850°F. The units are available in a variety of models and configurations with cast iron, ductile iron, or cast steel bodies, and offer features such as a stainless steel thermostatic element which eliminates air binding; below condensate level seat design to prevent steam leakage; discharge capacity up to 31,000 gal of condensate per hour; stainless steel float and lever mechanism for improved performance and prolonged steam trap service life; in-line repairability; and resistance to water hammer and corrosion.

Berner International's new in-ceiling mount air curtain is designed to protect your door opening without taking away from the overall design of your space, as all internal components are hidden above the ceiling. It has a modern style that meets today's ever increasing demand for attractive appearance. The bottom panel provides access to all internal components, including the filter. Heat is available in electric, steam, or hot water. An additional Comfort-Plus Control Package can be added to all heated units, allowing the unit to switch from high flow when the door is open to low flow when the door is closed.

Victaulic Company will exhibit its Advanced Groove System (AGS) - the company's strongest mechanical coupling assembly system in the 14- to 24-in. pipe size range. Designed for use in a variety of commercial building and industrial applications, AGS features an innovative, wedge-shaped groove that provides high-pressure ratings (up to 350 psi) service, ensures strong joint integrity and a continuous seal around the gasket, as well as a longer "A" dimension to eliminate pipe flare. AGS couplings consist of a two-piece housing secured with only two bolts, making assembly both quick and easy.

Engineered Comfort by Nailor Industries Inc. will exhibit an extensive line of energy saving fancoil units, which feature EPIC™/ECM fan motor technology. This superior technology provides VAV control in both heating and cooling modes. The result is a quiet product with higher comfort levels. The fancoils are available in four model series including vertical high-rise and horizontal styles, and all units feature plug and play technology, a stainless steel drain pan, and the most options available in the industry.

The HiPass Series from Hitachi America includes the L300P Series VFD with bypass panel furnished as a complete pre-engineered package to meet the most demanding applications. Components are pre-wired with control and communication connections to a customer terminal strip for trouble free installation and start-up as well as ease in future troubleshooting.

Controlotron's System 1010E is designed for superior performance in a number of new applications for thermal energy and flow measurement. New features include steam condensate energy management, utilizing clamp-on flow and temperature sensors, as well as an extended temperature range, from -200° to 600°F. In the realm of chiller efficiency analysis, Controlotron has added cooling load (kW/ton), COP, and energy efficiency ratio (EER). A clamp-on meter for compressed air is now available, providing non-invasive gas measurement. ES