Touch Screen Thermostats TTH 8D-series

• • • Purpose:
      Adjusts room temperature by controlling fan coil units and motorized valves at the end of the air conditioning system.
      Enhances comfort and energy savings.
    • User Interface:
      Touchscreen with a large LCD display showing:
      • Working mode (cooling, heating, ventilation)
      • Fan speed (high, medium, low, auto)
      • Room temperature
      • Set temperature
      • Time and 7-day, 4-period program
      • Timing for turning on/off

• Touch Screen Interface:
  Easy to use with a large LCD display.
• Fan Speed Control:
  Supports high, medium, low, and automatic fan speed modes.
• Output Control:
  On/off output for fan coil units and motorized valves.
• Key Lock Function:
  Prevents unauthorized changes to settings.
• System Compatibility:
  Supports cooling (2-pipe) and cooling/heating (4-pipe) systems with 2-wire motorized valves.
• Temperature Settings:
  • Setting range: +5°C to +35°C
  • Accuracy: ±0.5°C
• Sensor:
  Uses an NTC 10K thermistor for precise sensing.
• Power Supply:
  Operates on 230 Vac.

Electrical Rating:
Rated current of 5A.

All thermostats in the TTH 8D-series share the same features, differing only in front appearance.

Standard Models (without Modbus)

• TTH 8D1
• TTH 8D2
• TTH 8D3
• TTH 8D4

Modbus Models (with Modbus Communication)

• TTH 8D1 MOD
• TTH 8D2 MOD
• TTH 8D3 MOD
• TTH 8D4 MOD

• • Ideal for residential, commercial, and industrial spaces using central air conditioning systems with fan coil units.
  • Compatible with 2-pipe or 4-pipe systems, offering flexibility in installation and operation.