Honeywell fan coil controller 2/4 tubes on/off TF428-RS
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Honeywell 2/4 Tube Fan Coil Controller TF428-RS
The TF428-RS fan-coil controller is an ultra-slim controller with a large LCD display. This TF428-RS series digital thermostat is designed for controlling 3-speed fans and valves in fan-coil systems, including:
• 2-pipe system: cooling only/heating only/manual switching
• 4-pipe manual/automatic heating/cooling switching
• Ventilation mode
• Manual or automatic control of the 3-speed fan
• Valve control
In addition to basic controls, the TF428 series with CPH (Cycles Per Hour) It better maintains the ambient temperature at the set value and Random start function It helps maintain the stability of the electrical grid. Additionally, Honeywell Home's Memory Time Off function can automatically turn off the thermostat to save energy.
Characteristics:
- Stored power-off time.
- Cycles Per Hour (CPH).
- Random start-up.
- Optional remote temperature sensor.
- Optional energy saving mode.
- LCD screen with simple user interface.
- Selectable display of ambient temperature or setpoint value.
- Manual or automatic selection of fan speed.
- Unit of measurement for temperature in °C or °F.
- User settings can be saved in the event of a power outage.
- Freeze protection available.
- Four keyboard lock options.
- Limitation of the heating and cooling setpoint value
