Touch Screen Thermostats TTH 8M-series

• Purpose:
  Adjusts room temperature by modulating fan coil units and valves to maintain set conditions, improving comfort and reducing energy usage.
• 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:
  Large LCD display for user-friendly operation.
• Fan Speed Control:
  Supports high, medium, low, and automatic fan speed modes.
• Output Control:
  Provides 0-10 Vdc output for modulating valves.
• Key Lock Function:
  Prevents unauthorized changes to settings.
• System Compatibility:
  Ideal for heating/cooling 2-pipe systems with modulating valves.
• Temperature Settings:
  • Setting range: +5°C to +35°C
  • Accuracy: ±0.5°C
• Sensor:
  Uses an NTC 10K thermistor for accurate temperature sensing.
• Power Supply:
  Operates on 24 Vac/dc.
• Electrical Rating:
  Rated current of 5A.

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

Standard Models (without Modbus)

• TTH 8M1
• TTH 8M2
• TTH 8M3
• TTH 8M4

Modbus Models (with Modbus Communication)

• TTH 8M1 MOD
• TTH 8M2 MOD
• TTH 8M3 MOD
• TTH 8M4 MOD

• Suitable for spaces utilizing central air conditioning systems with modulating valves and fan coil units.
• Designed for precise temperature control in residential, commercial, and industrial environments.