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.    Barberton, OH 44203-2397
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.

Microchip Technology, Inc.    Chandler, AZ 85224 6199
Jul 11, 2002 TC6xx controllers provide thermal protection in temperature-sensitive electronics. Fan speed can be programmed by output of remote thermistor or by SMBus communication based commands. Units detect fan wear-out before fan stops rotating by reading rpm data from up to 2 individual fans. Offered in 10-pin MSOP packages, devices have operating voltage range of 3.0 to 5.5 V and temperature range of -40 to +85°C.

Zetex, Inc.    Hauppauge, NY 11788
May 16, 2002 ZXBM2000 series of ICs controls 2-phase, dc brushless fan and blower motors up to 100W. ZXBM2003 provides frequency generator rotor speed output; ZXBM2002 offers locked rotor error output; and ZXBM2M001 combines both signals on dual function pin. All deliver up to 80 mA to pair of external MOSFET or bipolar transistors connected to fan motor windings. Speed control is implemented via variable external voltage or NTC thermistor input.

Indeeco Controls    St. Louis, MO 63144
May 03, 2002 Model S95 provides 32-in-1 resistance heating load control solution for OEM and replacement applications. It is designed for field-selectable input options including 2200 ohm, 135 ohm, 4 to 20 mA, and 0 to 10 Vdc. Unit offers selectable linear or progressive switching and proportional or deadband control capability. It utilizes vernier control to drive B-Series or S-Series power controllers, and can provide up to 10 stages of control.

Saftronics, Inc.    Fort Myers, FL 33905
Apr 18, 2002 FPC5010S Smart Bypass monitors drive load and speed, and automatically transfers motor from VFD control to across-the-line at full speed. Removing drive from circuit improves efficiency of system by as much as 5%. It also improves harmonic distortion at full load by removing drive from circuit when harmonic content is greatest. Controller continues to monitor demand and, when requirements are reduced, transfers motor back to drive control.

Indeeco Controls    St. Louis, MO 63144
Apr 08, 2002 A&B Series Power Controllers are designed with 4 field-selectable inputs: 2200 ohm, 135 ohm, 4-20 mA, and 0-l0 Vdc. They include zero-cross fired sold-state relays and proportional controls with 1 sec time base. Units support applications using up to 600 Vac and 50 amps in 1 or 3 phase (2 leg break) configurations. Applications include duct heaters, immersion heaters, electric boilers, industrial ovens, drying equipment, and parts washing equipment.

Marathon Sensors, Inc.    Cincinnati, OH 45241
Jan 02, 2002 Oxymitâ„¢ DIN-rail transmitter module provides raw signal processing, oxygen and temperature re-transmit (4-20mA), intelligent probe diagnostics and performance verification, as well as RS485 communications with Modbus protocol. Unit is designed for fossil fuel-fired environments including steel reheating, glassmaking, power generation, petroleum and petrochem refining, kilns and incinerator installations.

Sierra Monitor Corp.    Milpitas, CA 95035 6825
Nov 28, 2001 Model 2430 controls temperature and humidity environment in all HVAC systems used in above-ground telecommunications structures. Optional modem enables remote interrogation and configuration, plus automatic dial-out upon alarm condition. Optional FieldServer bridge converts data transfer from serial to Ethernet protocol, connecting controller at remote site to network operations center via wide area network.