Lochinvar Corp.    Lebanon, TN 37090
Nov 22, 2011 Designed to aid integration of KNIGHT® Heating Boilers into multiple temperature hydronic heating systems, SMART SYSTEM(TM) Multi Temperature Loop Control manages up to 3 separate space heating loop temperatures while optimizing efficiency of heating boiler as primary function. Accessory works in conjunction with on-board SMART SYSTEM Control on 2nd generation floor-standing and wall-mount KNIGHT Heating Boilers for residential applications as well as KNIGHT XL Commercial Heating Boilers.

Warner Power    Warner, NH 03278
Oct 20, 2011 Electric arc furnace power system and control scheme offers improved control over arc ignition and arc stability while also reducing flicker and oscillation. Solution utilizes saturable reactor, located in power circuit between main transformer and arc electrodes, that is controlled by variable DC signal, which varies impedance of reactor. DC source is controllable as independent variable in furnace control system, ensuring current and voltage control are effectively decoupled.

ICM Controls    Syracuse, NY 13212
Aug 31, 2011 Suitable for intermittent pilot boilers, furnaces, and other heating appliances, Models ICM295 and ICM296 replace Carrier LH33WZ510 and LH33WZ512 ignition controls, while Models ICM2901 and ICM2902 replace JCI G770RJA-1 and G776RGD-14 ignition controls. Each offers microprocessor-based precision and compatibility with both liquid propane and natural gas. Model ICM295 is a continuous spark unit, while other 3 offer 100% safety lockout feature.

Melexis Inc.    Concord, NH 03301
Aug 02, 2011 Able to control single-coil brushless cooling fan speed using PWM or analog signals, Hall effect-based Model MLX90287 is suited for desktop computers, gaming consoles, and LED automotive headlights. Unit operates from supply voltage of 4.5-16 V and within ambient temperatures from -40 to 150°C. With integrated power stage, IC can drive fans rated up to 550 mA. Device directly accepts, without any external circuitry, PWM frequency range of 100 Hz to 100 kHz.

Quest Controls, Inc.    Palmetto, FL 34221-4802
Jun 16, 2011 Designed to act autonomously as well as in concert with OspreyFMS energy management dashboard, BACnet Communicating Controls include HVAC control for multi-stage conventional and heat-pump mechanical units, and 6 schedule lighting time-clock control with photocell inputs and internal astronomical calendar. Each device is equipped with LCD screen for programming, internal schedules, and inputs/outputs for monitoring appropriate mechanical points.

TRIATEK    Norcross, GA 30093
Feb 22, 2011 Featuring touchscreen technology, Model HMS-1650L displays both numerical data as well as general fume hood status via background color. Unit indicates if fume hood is in safe, warning, or alarm status depending on if background is green, yellow, or red, respectively. In addition, controller can display face velocity, sash position, temperature, date, and time on single screen. Suited for LON networks, Model HMS-1650L can be deployed as either controller or monitor.

Solar Air Systems    Avon, MA 02072
Feb 11, 2011 Item No. SAC120CFM, Solar Air Heater Fan with Controller, is factory set to end-user's specification. Using thermistor to constantly monitor inside panel temperature, controller ensures critical airflow matching for optimal efficiency. Solar air heater programmable circuit design enables preset temperature settings, which enable fan to ramp up/down depending on inside panel temperature.

Rite-Hite    Milwaukee, WI 53224
Feb 01, 2011 Fan-Commander(TM) controls operation of up to 18 High Volume/Low Speed (HVLS) Revolution® Fan or Revolution® SP Fan models. In addition to adjusting fan speed to match winter and summer conditions, it can also be programmed to operate fans only when needed. Users can customize each fan name to specific building locations and visualize each fan's settings and status. Fan-Commander can also prevent unauthorized employees from adjusting fan speeds.

SCL Elements    Montreal, QC H2S3L5
Oct 15, 2010 Featuring embedded EnOcean transceiver and EnOcean-to-BACnet gateway, CAN2GO(TM) Variable Air Volume Controller supports bidirectional communication and allows total wireless control of energy harvesting end-devices within end-to-end BACnet system. Fully programmable device includes onboard pressure sensor that meets VAV application requirements. Controller can communicate with other CAN2GO controllers wirelessly, through wired Ethernet/IP network, or via chain-linked CANbus serial bus.

Spirax Sarco, Inc.    Blythewood, SC 29016
Sep 09, 2010 Matching boiler house performance and operating requirements, Electronic Steam Boiler Controllers feature enclosure that allows chassis, panel, or DIN rail mounting. Commissioning is carried out entirely using front panel keypad and software menu, and LC3050/LP30 low level alarm system is approved for SIL2 and SIL3 applications. IR inter-controller communication capability and remote RS485 read only access to controller settings and parameters.

ControlAir Inc.    Amherst, NH 03031 2315
Aug 11, 2010 Able to mount directly to common valve actuators, I/PAC (Integrated Process Air Control) assembly is offered with choice of explosion-proof, field-mounted I/P transducer that comes pre-assembled with filter regulator and pressure gauge. Tapped exhaust option enables use in natural gas applications, and field selectable outputs are 3-15, 3-25, 6-30, and 1-17 psig. Able to withstand harsh environments, product carries all agency hazardous area approvals from FM, CSA, and ATEX.

Continental Fan Mfg. Inc.    Buffalo, NY 14215
Jun 10, 2010 Using smart technology, DFC Digital Fan Control complies with requirements of ASHRAE 62.2 standard that defines minimum ventilation requirement and acceptable indoor air quality in low-rise residential buildings. Offering 5 modes of operation, programmable control can automatically calculate airflow required to achieve optimal air exchange. Unit is designed for single-speed fan operation and includes display with backlight, icons, digital clock, and automatic Daylight Savings Time function.

Lochinvar Corp.    Lebanon, TN 37090
Jun 01, 2010 Standard on KNIGHT® Residential Heating Boiler models, as well as KNIGHT® XL Commercial Boiler and ARMOR® Commercial Water Heater, SMART SYSTEM enables users to access all information needed to set up, troubleshoot, and monitor equipment functions. Control includes 0-10 V analog inputs and outputs, color-coded display, and 2-way communication via Modbus protocol. Cascading sequencer allows up to 8 boilers or heaters to be installed, providing Soft Start Lead-Lag cascade operation.

McDonnell & Miller    Chicago, IL 60618 5523
Dec 11, 2009 Featuring 1 hp pump relay and adjustable burner and pump settings, Series 1575 is used as low water cut-off, feed water control, and alarm for boilers, vessels, and tanks. Internal LEDs indicate water position and condition, while external LEDs indicate control activity. Probe operation diagnostics include monitors for sensitivity, sequence, and wetted probe. Equipped with 60-sec burner-off time delays, controller is suited for commercial steam and hot water boilers.

Degree Controls Inc.    Milford, NH 03055
Oct 05, 2009 To ensure required linear air velocity is maintained despite external influences, C-600 controls and modulates fan RPM based on real-time air velocity and/or temperature measurements. User-programmable air velocity and temperature set points are leveraged to increase or decrease fan RPM, and I²C- or UART-based communication to host system can relay real-time information. If cooling fan is unable to generate desired flow requirement, controller initiates low-flow alarm to system.

Berner International Corp.    New Castle, PA 16101
Sep 14, 2009 In addition to temperature/fan speed control, Intelliswitch 2(TM) provides programming and diagnostics capabilities. All functions are supported by microprocessor that features 16 MHz clock speed, 64 kb program memory, 4 kb RAM, and analog/digital conversion. Operating switch, timer/delay, thermostat, and 10-speed fan control are all built-in. Measuring 4 3/8 x 4 1/8 in., RoHS-compliant controller operates with Maxair and Zephyr air curtain models.

Rockwell Automation    Milwaukee, WI 53204
Sep 04, 2009 Without requiring changes to existing mechanical systems or controls, FanMaster energy saving package lets users convert constant volume HVAC air handler to variable air flow. System is comprised of CO2 transmitter, damper blade position indicator, 2 duct insertion temperature transmitters, controller, and touchscreen operator interface. Unit controls PowerFlex 400 AC drive and conserves energy by enabling users to adjust fan speed.

Mokon    Buffalo, NY 14207
Aug 07, 2009 Available in standard heating capacities from 3-24 kW, Hydrotherm Circulating Water Temperature Control System offers ratings from 208-600 V, pump sizes from ½-3 hp, and flow rates from 15-60 gpm. System features microprocessor-based controller, hybrid-epoxy powder coated cabinetry with 14 gauge base, 16 gauge electrical enclosure, and stainless steel components for wetted surfaces, including stainless steel pump, heater canister, and pump suction manifold.

Johnson Controls, Inc.    Milwaukee, WI 53201
Aug 05, 2009 Housed in weather-resistant enclosure, Model P266 is designed for single-phase Permanent Split Capacitor motors used in variety of outdoor low-ambient refrigeration and air conditioning condenser applications. Control includes stainless steel electronic pressure transducer that prevents refrigerant leaks, as well as field adjustable speed, pressures, start voltage, and minimum speed/cutoff.

Visteon    Dearborn, MI 48126
Jul 29, 2009 Intended for automotive HVAC controls, pulse count system enables vehicle manufacturers to use non-feedback DC motor actuators. Position of actuator in HVAC system is determined by reading pulses from motor, and climate control algorithms control DC motor actuators via power and ground wires only. Offered as ASIC with embedded inductor-based sense element, system is self-calibrating and monitors key operating parameters to maintain optimal performance.