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DIGI-SPAN® MC-Elite Series
Modulating Controls for Current, Voltage, and 135 Ω signals
Application

Simple Affordable Modulating Set Point or Reset Controls for Temperature or Pressure. Well suited for radiant and process applications, the MC-Elite changes the position of a valve, burner, or variable speed drive in response to changes in sensor readings.

Temperature, Pressure, Vacuum, or Humidity. The same MC-Elite control can be connected to an array of temperature, pressure, vacuum, and humidity sensors. This makes stocking MC-Elite easier than ever. Each MC-Elite is field selectable for a broad range of parameters. Just select or stock the sensors you need with your control.

Standard and Customizable Reset Ratios. Utilizing the standard outdoor reset ratios or set point is built-in the MC-Elite. In addition, the controls come with a customizable reset ratio for applications where a standard reset ratio would not suffice.

Enable/Disable. No Need to turn the control power off. The Enable/Disable terminals allow the use of external devices or switches to activate/deactivate the control operation.

Simplified Menus on an Easy-to-Read 2-Line Digital Display. Now, with two 16 alphanumeric line display and easy-to-ready menus makes setting and understanding control operation a snap.

Sensor Fault Output Status Selection. A feature that allows the user to select the output status when the sensor is disconnected or its reading is faulty.

Can be Powered by 120VAC or 24VAC. The Elite Series is normally powered by 120VAC. However, it has an alternative 24VAC power inputs. No transformers are required.

  • Radiant Heating. The MC-Elite Series can control a mixing valve to regulate the temperature of the water entering the radiant tubing.
  • Hydronic Heating or Cooling Loops. The MC-Elite Series can control either a mixing valve or a diverting valve to regulate the temperature of a hydronic loop.
  • Steam to Water Heat-Exchangers. The MC-Elite Series provides precise temperature control of water by controlling the amount of steam entering the heat exchanger.
  • Variable Speed Drive. The MC-Elite Series can be used to control the speed of a fan or pump to maintain a desired system temperature or pressure.
  • Modulating Burner Control. The MC-Elite Series controls the firing rate of a modulating boiler to maintain a desired system temperature or pressure.
  • Air Damper Control. The MC-Elite Series adjusts the opening of an air damper to control the space temperature or humidity.
Features
  • Built-In Outdoor Reset
  • Customizable Reset Ratios
  • Muliple controls that can fit every hydronic steam or vacuum heating or cooling application
  • Built-in System relay
  • The same control can be used with avriety of sensors
  • Can be powered by 120VAC or 24VAC without the use of external transformers
  • Can be controlled remotely using an Enable/Disable input
  • Now with adjustable manual modulation for ease of service
  • Self diagnostics
  • Solid state sensors can be extended up to 500' from the control
  • Accuracy of ±1ºF or 1% of full scale

Downlaod the RSM-Elite in Google Sketchup 3D format by clicking here.

Models

MC-Elite Series Controls DO NOT COME WITH SENSORS. SENSORS MUST BE ORDERED SEPARATELY.

MODEL CATALOG #
MCA-Elite (4-20mA, 0-5V, 0-10V, 1-5V, 2-10V signals) 929160-UA
MCP-Elite (135 &#x3A9 signal) 929165-UA
MCF-Elite (floating signal) 929190-UA
 
SENSORS
Brass Tube Temperature Sensor 904250-00
3-in-1 Temperature Sensor 904220-00
3/8" x 1/2NPT Well 904019-00
Humidity Sensor 904035-00
Vacuum Sensor 904317-00
Pressure Sensor 0-30 PSI 904310-00
Pressure Sensor 0-100 PSI 904312-00
Pressure Sensor 0-200 PSI 904311-00
Pressure Sensor 0-300 PSI 904313-00
Digi-Elite Wiring Enclosure with a switch 929135-00
Digi-Elite Wiring Enclosure without a switch 929137-00