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Fancoil controller for 2 or 4-pipe systems, On/Off valve, Orchid 3

Fancoil controller for 2 or 4-pipe systems, On/Off valve, Orchid 3

Product Description

The TF428 RSBS/RSS series digital thermostat are designed for 3 speed fan and on/off valve control in a fancoil system, including:

  • 2-pipe cool only/heat only/manual changeover
  • 4-pipe manual/auto changeover(VC4013 valve only)
  • Ventilation mode
  • Manual or automatic 3-speed fan control
  • On/off water valve control

Besides the basic controls, TF428 RSBS/RSS series featuring CPH (Cycle Per Hour) better maintains the room temperature to the setpoint and Random Start-up Function helps 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

Switch function/capacity

n.a 

Temp. setpoint range 10 ... 32 oC
Control output signal

PI, on/off output 

Additional Descriptions
  • 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
  • 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

220/230VAC, 50/60Hz 

Related Material

Termékek

Product Type Product description
Products

TF428WN-RSBS-U

Fancoil controller for 2 or 4-pipe systems, white, remote set back input


TF428WN-RSS-U

Fancoil controller for 2 or 4-pipe systems, white, remote sensor input


TF428DN-RSBS-U

Fancoil controller for 2 or 4-pipe systems, black, remote set back input


TF428DN-RSS-U

Fancoil controller for 2 or 4-pipe systems, black, remote sensor input


TF428SN-RSBS-U

Fancoil controller for 2 or 4-pipe systems, silver, remote set back input


TF428SN-RSS-U

Fancoil controller for 2 or 4-pipe systems, silver, remote sensor input


TF428GN-RSBS-U

Fancoil controller for 2 or 4-pipe systems, gold, remote set back input


TF428GN-RSS-U

Fancoil controller for 2 or 4-pipe systems, gold, remote sensor input


TF428LN-RSBS-U

Fancoil controller for 2 or 4-pipe systems, silver Hairline, remote set back input


TF428LN-RSS-U

Fancoil controller for 2 or 4-pipe systems, silver Hairline, remote sensor input


TF428KN-RSBS-U

Fancoil controller for 2 or 4-pipe systems, gold hairline, remote set back input


TF428KN-RSS-U

Fancoil controller for 2 or 4-pipe systems, gold hairline, remote sensor input


TF428CN-RSBS-U

Fancoil controller for 2 or 4-pipe systems, copper, remote set back input


TF428CN-RSS-U

Fancoil controller for 2 or 4-pipe systems, copper, remote sensor input

Accessories and replacement parts

Accessories

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