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Parts by Number Top

Part # Distributor Manufacturer Product Category Description
540863C Radwell Siemens Building Technologies HVAC, HVAC Accessory TERMINAL EQUIPMENT CONTROLLER APOGEE
540863C Radwell Siemens HVAC, HVAC Accessory TERMINAL EQUIPMENT CONTROLLER APOGEE
549003 Radwell Siemens Building Technologies HVAC, HVAC Control System Boards POWER MODULAR EQUIPMENT CONTROLLER APOGEE
540100 Radwell Landis & Gyr HVAC, HVAC Control System Boards TERMINAL EQUIPMENT CONTROLLER ELECTRONIC OUTPUT
540100 Radwell Siemens Building Technologies HVAC, HVAC Control System Boards TERMINAL EQUIPMENT CONTROLLER ELECTRONIC OUTPUT
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Conduct Research Top

  • Applying Inverters to Centrifugal Compressors in HVAC Chillers (.pdf)
    When applying an inverter to centrifugal compressors on HVAC chillers, there are a number of factors to consider. For some compressors, lubricating oil circulation may be driven by the rotation of the compressor shaft itself, via a gear-driven pump arrangement. If you slow the motor speed
  • UVC: Florida Hospital Puts HVAC Maintenance Under a New Light (.pdf)
    Florida Hospital has found germicidal UVC in the AHUs reduces or eliminates coil cleaning programs, yielding on-going energy savings, a reduction in HVAC system maintenance, and the elimination of cleaning chemicals. The facility also reports IAQ and infection control benefits.
  • LP-13 Shake Absorber (R) Improves HVAC Roof Curb Vibration Isolation
    Tired of poorly or non specified vibration isolation control for HVAC UNITS?
  • Optimize HVAC and Process System Efficiency by Matching Your Plant and Processes To The Right Flow Measurement Technology
    Plant engineers have many flow measurement technology options when selecting flow sensors or flow meters to optimize heating-ventilation-air-conditioning (HVAC) and process control systems. It is therefore helpful to understand in some detail, the multiple types of flow meters and flow sensor
  • HVAC Damper Shrouds
    of dampers during assembly. *?assembly area is under an existing bridge crane. Solutions: Positech WM200 manipulator with an air motor screw drive gripper and interchangeable jaw sets. Manual rotation through the horizontal axis, vertical axis caliper brakes, and an operator's control pendant. Several
  • Design Simulation for Warehouse Temperature Control
    A pharmaceutical manufacturer needs to keep space temperatures in a warehouse between 68 F and 78 F to maximize shelf life of their products. The building?s HVAC control system was designed to issue an alert to plant operating personnel whenever temperatures in the space fall outside a +/- 3.5 F
  • Design Simulation for Warehouse Temperature Control
    A pharmaceutical manufacturer needs to keep space temperatures in a warehouse between 68 F and 78 F to maximize shelf life of their products. The building?s HVAC control system was designed to issue an alert to plant operating personnel whenever temperatures in the space fall outside a +/- 3.5 F
  • Recording Closed-Loop Control System Cycles for HVAC Savings
    As an example of the savings data loggers can identify, CAS DataLoggers recently supplied an Accsense Electrocorder data logger to monitor a customer's thermostatically oil-fired central heating system for their office building over a period of 6 months. After collecting the data, users graphed the
  • HVAC Dual-AC Motor Control with Active PFC Implementation Using Piccolo TM MCUs (.pdf)
    The 32-bit C2000 TM Piccolo TM microcontroller from TI provides a true single chip solution for multiple motor drives, including the front-end PFC. In this paper, implementation of controlling two motors using field oriented control (FOC), and an interleaved PFC using a single controller

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