Fancoil Honeywell controller 2/4 OP/off tubes TF428-RS
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Honeywell 2/4-pipe on/off fan coil controller TF428-RS
The TF428-RS fan coil controller is an extra-slim controller with a large LCD display. This TF428-RS series digital thermostat is designed for controlling a 3-speed fan and valve in a fan coil system, including:
• 2-pipe cold only/heat only/manual switching
• 4-pipe manual/automatic switching heat/cold
• Ventilation mode
• Manual or automatic 3-speed fan control
• Valve control
In addition to the basic controls, the TF428 series with CPH (Cycles Per Hour) maintains the room temperature better at the set value and the Random start function helps maintain grid stability. Additionally, Honeywell Home's Time-Off feature can automatically turn off the thermostat to save energy.
Characteristics:
- Memorized shutdown time.
- Cycles Per Hour (CPH).
- Random start-up.
- Optional remote temperature sensor.
- Optional power saving mode.
- LCD display with simple user interface.
- Selectable display of room temperature or set point.
- Manual or automatic selection of fan speed.
- Unit of measurement for temperature in °C or °F.
- User settings can be stored if power is lost.
- Freeze protection available.
- Four keyboard lock options.
- Heating and cooling setpoint limitation
