One Sightsolutions OSS-TDU Series 2021-02-17T09:38:15+00:00

OSS-TDU Series

One Sightsolutions

New TDU Series LCD Thermostat displays that work in conjunction with the OSS Fan Coil unit and VAV controllers, can be displayed vertically and horizontally.

Available in 3 colours.

  • Built in temperature sensor and optional humidity and CO2 sensors (see models above)
  • Optional PIR motion detection sensor
  • 3.5” LCD display
  • Slim design
  • Universal wall mount design
  • Used to configure and operate the EVCB
  • VAV controllers and EFCB Fan Coil controllers
  • Selectable internal or external temperature sensor (10 KΩ)
  • Three wire connection between thermostat and controller
  • Selectable Fahrenheit or Celsius scale
  • Network service port via on board mini USB connector
  • Approximate size 127mm x 82mm x 15mm (5” x 3.25” x 0.6”)

Power consumption

Relative humidity
5 – 95% non-condensing

Degree of protection
IP 30 (EN 60529)

Temperature sensor
Range: 10’C to 40’C [50’C to 104’C] | Accuracy: +0.4’C [0.8’G] | Display resolution: +0.1’C [O.2’F]

Humidity sensor (select models)
Range: 10 to 65%RH | Accuracy: +3.5% RH |Display resolution: 0.1%

CO2 sensor (selected models)
Opera-ting principle: Self-calibrating, Non-Dispersive Infared (NDIR) | Response time: 2 minutes by 90%
Range: 400-2000 ppm (+30 ppm +3% of reading; accuracy requires a min. 3 weeks of continuous operation)

Electrical connection
3 wires to controller and two wires to BACnet/Modbus network 0.8mm2 [18 AWG] minimum

Power supply
24Vac or 24 Vdc

Temperature ratings
Operating: 0’C to 50’C [32’F to 122’F] | Storage: -30’C to 50’C [-22’F to 122’F]

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