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Fancoil controller for 2-pipe systems, 0-10Vdc valve, Orchid 3

Fancoil controller for 2-pipe systems, 0-10Vdc valve, Orchid 3

Product Description

The TF243 series digital thermostat is designed for 3 speed fan and modulating valve control in a fan coil system, including:

  • 2-pipe cooling only/heating only/manual changeover
  • Ventilation mode
  • Manual or automatic 3-speed fan control
  • Modulating water valve control

Besides the basic controls, TF243 series provide Random Start-up function to maintain power grid stability. In addition, the Memorized Time Off function can automatically turn off the thermostat to save energy. 

Technical Properties

Protection class

IP20 

Temp. setpoint range 10 ... 32 oC
Additional Descriptions
  • Modulating Output DC 0~10V
  • Auto Cycle times 100,000 times
  • Manual Cycle times 10,000 times
  • Display range 0 ~ 37C
  • Ambient storage limits -30 ~ +60C
  • Humidity limits 5~90% RH, non-condensing
  • Remote temperature sensor NTC20K
  • Pollution Degree 2
  • Protection against electric shock class Class II
  • Rated Impulse Voltage: 2500V
  • Maximum Temperature for relay wiring 155C
Temperature control accuracy +/- 1 oC
Ambient temp. limit

0~ +49C 

Power supply

24(10%)VAC, 50/60Hz 

Related Material

Products

Product Type Product description
Products

TF243WN/U

Fancoil controller for 2 or 4-pipe systems, white, remote sensor and remote setback inputs


TF243DN/U

Fancoil controller for 2 or 4-pipe systems, black, remote sensor and remote setback inputs


TF243SN/U

Fancoil controller for 2 or 4-pipe systems, silver, remote sensor and remote setback inputs

Accessories and replacement parts

Accessories

Image Description Product Type Downloads
Orchid 3 wall plate, white WP428-1  
Orchid 3 wall plate, black WP428-2