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[Listed Device]
MACH-Air VAV Controller MACH-Air VAV Controller
The Reliable Controls® MACH-Air™ controller is a fully programmable, versatile BACnet® listed controller designed to meet the needs of variable air volume (VAV) control.

The MACH-Air™ controller features onboard velocity measurement, a 35 in-lb brushless Belimo actuator, 3 universal inputs and 3 universal outputs with optional triac configuration. The MACH-Air™ ships standard with removable connectors and support for 4 SMART-Sensors.
[Features]     [Tech Specs]     [Application Diagram]     [Connector Wiring]     [PDF Sheet]
Processor
  • 25 mHz, high performance 16-bit embedded microcontroller

Memory
  • 32k RAM
  • 128k Flash EEPROM operating system firmware and controller configurations

Supply Voltages
  • 24 VAC/VDC ±10%
  • 25 VA maximum

Communications
  • EIA-485 @ 76.8 kbps
  • SMART-Net™ (4 SMART-Sensors™ max)

SETUP-Tool™
  • SETUP-Tool™ used for configuration
Universal Inputs
  • 3 universal inputs
  • 10 bit A/D convertor
  • Analog: 0-5 VDC, 4-20 mA, thermistor
  • Digital: dry contact
  • Impedence:
    15k O on 0-5 VDC range 250 O on 4-20 mA range 10k O on thermistor range
  • 40 Hz pulse counting (supports flow meters)
  • 24 VAC over voltage protection

Universal Outputs
  • 8 bit D/A converter
  • Analog: 0-12 VDC
  • Digital: 0 or 12 VDC
  • Output power: 75 mA @ 12 VDC
  • 24 VAC over voltage and short protection

Triac Outputs
  • 24 VAC @ 0.5 A
  • Common return
Velocity Sensors
  • Flow-through thermistor
  • 0-1" W.C.

Actuator
  • Torque: 35 in-lb.
  • Brushless DC

Enclosure
  • NEMA type 1
  • UL94-5V

Dimensions
  • 22.9 cm L x 13.4 cm W x 6.3 cm H
    (9” L x 4.8” W x 2.5” H)

Weight
  • 0.7 kg (1.8 lb.)

Ambient Limits
  • Operating: 0 °C to 40 °C
    (32 °F to 104 °F)
  • Shipping: -20 °C to 60 °C
    (-40 °F to 140 °F)
  • Humidity: 10% to 90%
    RH non-condensing

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