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