International Rectifier Corp.
El Segundo, CA 90245
Mar 29, 2006 As integrated power design platform, iMOTION(TM) enables variable-speed sinusoidal current control without position sensors for smooth torque output and minimal acoustic noise in motors. Optimized system architecture combines application-specific HVICs, PFC, discrete trench IGBTs, mixed-signal analog chip sets, and power stages. It also features digital control algorithms for motor control applications using dc link phase current sensing.

HEMCO Corp.
Independence, MO 64056
Jan 27, 2006 UniFlow SE Fume Hood utilizes aerodynamic face opening with airfoil to provide uniform and constant volume airflow into fume chamber. VaraFlow baffle system directs airflow to exhaust outlet with minimum turbulence. Featuring one-piece, unitized composite fiberglass superstructure, hood is fire retardant and chemical resistant. Units are available in 48, 60, 72, and 96 in. width, and 32 in. depth x 59 in. height.

Georg Fischer Piping Systems
Tustin, CA 92780
Dec 09, 2005 Designed to perform as all-in-one controller or function as transmitter for multiple parameters, Signet 8900 allows mixing and matching of up to 6 sensor types including flow, pH, ORP, conductivity/resistivity, pressure, temperature, and level. For HVAC applications, BTU calculator can execute heating and cooling, 2 cooling, or 2 heating functions simultaneously. It also allows user-selection of up to 9 heating and cooling totalizer units and up to 6 power units.

HBControls, Inc.
Fall River, MA 02720
May 10, 2005 HBC-EZ series features pre-installed controller wiring harness for single-phase, 3-phase/2-pole, or 3-phase/3-pole applications. Relays offer zero cross-switching, max output of 6 A/pole at 40°C ambient temperature, and input control voltage range of 4-15 Vdc for dc model and 90-140 Vrms for ac model. Mounted on DIN rail clip and measuring 3 x 9 in., controls are suited for use in plastics molding, semiconductor manufacturing, medical, and food processing equipment.

Beck, Harold, & Sons, Inc.
Newtown, PA 18940
May 02, 2005 Suited for large fan dampers typical of utility FD and ID applications, Group 22 Control Drive provides positioning of final control elements with resolution down to 0.1% of span. It is fully enclosed in weatherproof housing rated for service environments from -40 to +185°F. On-board control module feeds drive's motor windings directly, eliminating external motor starters and controls. Drive does not coast or overshoot, and will not overheat under continuous modulation.

Siemens Building Technologies, Inc.
Buffalo Grove, IL 60089
Apr 08, 2005 RWD Series non-communicating, electronic HVAC devices have LCD display to view setpoint, temperature, and output characteristics. Pre-programmed applications facilitate set-up of parameters. Able to use 1,000 ohm nickel, 1,000 ohm platinum, or 0–10 Vdc input sensor, series includes 120/24 Vdc power transformer with LED indicator and integral self-resetting primary fuse. Plug-in terminals simplify wire terminations for powering controller and optional time clock.

Clark-Reliance Corp., The
Strongsville, OH 44136
Apr 04, 2005 Series EA-100 Levalarm with upgrade kit replaces original float mechanism and micro switch with conductivity probe and detection relay, eliminating all moving parts. Relay provides 2 independent dry Form C switch contacts. Kit requires no welding, re-work of piping, or adjustments, and takes minutes to install.

Leonard Valve Co.
Cranston, RI 02910
Mar 29, 2005 Models TM-420, TM-520, TM-820, TM-920, TM-1520A, and TM-2020A adjust to varying flow requirements for tempered water in industrial facilities. They feature DURA-trol® solid bimetal elements, integral supply checkstops, wall supports, cast lever handles, and locked temperature regulators. Products are offered from ¾ in. inlet with 1 in. outlet and flow rates from 1.0–35 gpm to 2 in. inlet with 2 in. outlet and flow rates from 1.0–190 gpm.

Eurotherm Controls
Leesburg, VA 20175
Feb 23, 2005 Model 2704BC addresses all aspects of package boiler control, including pressure, level, and total dissolved solids control. Able to be connected to conductivity probes that measure TDS levels, unit's control algorithm provides TDS control through activation of continuous blowdown valves. Configurable graphical display shows multiple control functions, and product can be configured as combustion controller, 3-element level controller, or plant/boiler master.

Leonard Valve Co.
Cranston, RI 02910
Jan 31, 2005 Megatron® is designed for hot water systems in new building construction and renovation applications. System components are mounted on galvanized strut. Dial thermometers on hot, cold, mixed, and return piping lines provide complete system monitoring. Mixed water capacity is from 0.5–190 gpm. Integral return piping incorporates circulator, aquastat, check valves, bypass piping, and balancing valve.

Lochinvar Corp.
Lebanon, TN 37090
Aug 18, 2004 MP2â„¢ Sequencer, designed to maximize performance of Copper-Fin®, Copper-Fin II®, and Efficiency+® boiler lines, acts as automated control system that determines when to fire each boiler, in what order, and for how long. It provides up to 9 on/off stages based on outdoor temperature, set point requirement, or external input signal. Features include indoor/outdoor reset; Proportional, Integral, and Derivative (PID) logic; and equal run-time rotation.

Siemens Building Technologies, Inc.
Buffalo Grove, IL 60089
Aug 16, 2004 TALON® Predator® Three Zone Controller provides control of up to 3 rooms or zones, with simple setup of individual or averaged sensing, bypass override, and setpoint for each area. LonMark®-certified controller utilizes 6 input, 8 digital output, and 3 analog output platform that accommodates 3 room sensors along with existing 4 PID loops for general-purpose control and I/O point expansion for any points not used as part of application control.

Novar Controls Corp.
Copley, OH 44321
Jun 10, 2004 VAV-4040 Variable Air Volume/Variable Volume and Temperature Controller utilizes Belimo® damper actuator. VVT mode allows damper output to reverse its action in response to supplied air temperature. Module features on-board differential pressure airflow sensor, air quality compensation/ventilation override, and pressure-independent/dependent control. It also provides staged reheat control and tri-state or 2–10 Vdc modulating reheat control.

Walchem Corp.
Holliston, MA 01746 1460
Apr 22, 2004 Microprocessor-based, menu-driven WBL310 is equipped with 4 feed/alarm outputs, allowing 4 different chemical feed methods to occur simultaneously. It uses time proportional blowdown method of water consumption sampling and performs automatic checks on conductivity to eliminate flushing problems. Utilized with contacting or Hall Effect style watermeter, product features automatic temperature compensated conductivity.

Kooltronic Inc.
Pennington, NJ 08534
Apr 01, 2004 Model KLLC100 is optional for air conditioners equipped with 24 V relay and external connection. Suited for applications requiring multiple air conditioners on single cabinet, dual-stage device allows user to control operation based on either temperature or run-time. For fluctuating heat loads, Lead-Lag Controller will bring second air conditioner on-line as heat load increases, and shut it down as demand for additional cooling diminishes.

Wayne Combustion Systems
Fort Wayne, IN 46803
Mar 23, 2004 Hydronix Triple Limit Boiler Control features multi-position mounting capabilities, aluminum casing, replaceable plug-in sensors, solid-state relays, and LED indicators with diagnostics. Redundant safety systems monitor relays and sensors and instantly detect errors. Computerized supervisory systems ensure that every aspect of control is operating properly before heat cycle is started.

Burnham Corp.
Lancaster, PA 17604
Oct 28, 2003 RTC Return Temperature Control monitors boiler return water temperature and operates 3-way diverting valve and boiler circulator to maintain minimum return temperature of 135°F or greater. RTC kit provides set-point control, outdoor reset, and LCD display. It counts boiler run time and number of boiler cycles and provides off-season pump and valve exerciser.

Siemens Building Technologies Ltd.
Sudbury, ON P3A 2A3  Canada
Oct 27, 2003 Predator® VAV Actuator integrates LonMark® certfied VAV controller in OpenAir direct-coupled damper actuator designed for 3-position floating control. Unit provides control of pressure-independent, single duct VAV/CV zone boxes. Preprogrammed control logic is configurable for variety of applications, including cooling or heating, fan, occupancy, and lighting control.

Armstrong International, Inc.
Three Rivers, MI 49093
May 28, 2003 Electronic Mixing Center (EMC) combines integrated circuit board technology with precision hydraulics for water temperature control within institutional re-circulating hot water systems. Unit also employs building management system, PC interface capability, and site-programmable, high-temperature system flush for Legionella abatement. With overnight, low-temperature, energy-efficient mode options, product offers ±1°F control from 1–75 gpm.

HB Controls, Inc.
Bridgewater, MA 02324-4302
Jan 20, 2003 Microcontrollers, for use in instant hot water heaters for home, hotel, or industrial use, can be wired to circuit card in space-saving, wall-mounted heating unit programmed to maintain temperature within ±0.5°F. To save energy, temperature is maintained only as long as water flows.