HERZ Digital Thermostat Series (H7711 / H7712 / H7713)


The HERZ Digital Thermostat Series from HERZ Armaturen offers a complete range of intelligent control solutions for heating, cooling, and ventilation systems. Available in modulating, on/off, and touch-pad variants, these thermostats ensure efficient temperature management, fan speed control, and valve actuation for 2-pipe or 4-pipe fan coil units. Designed for comfort, precision, and flexibility, the HERZ thermostats integrate seamlessly into residential, commercial, and industrial HVAC applications.
  • 🔹 Models:
    • H7711: Modulating Thermostat (0–10 V / 4–20 mA control, RS485 optional)
    • H7712: Touch Pad ON-OFF Thermostat (with optional timer, 7-day programmable, or backlight)
    • H7713: Digital ON-OFF Thermostat (LCD display, optional IR remote, backlight)
  • 🔹 Control Types: ON/OFF, 3-point, Modulating (0–10 V / 4–20 mA)
  • 🔹 Voltage Supply:
    • H7711: 24 V AC ±10%
    • H7712 / H7713: AC 85–260 V, 50/60 Hz
  • 🔹 Temperature Range:
    • Setpoint: 5°C–35°C (H7712/H7713), up to 99.5°C (H7711)
    • Accuracy: ±0.5°C to ±1°C
  • 🔹 Fan Control: Manual or automatic 3-speed (Low/Med/High/Auto)
  • 🔹 Display: Large LCD or Touchscreen with temperature, mode, and fan status
  • 🔹 Functions:
    • Heating / Cooling / Ventilation / Auto modes
    • Low-temperature protection (anti-freeze mode)
    • Keypad lock and backlight options
    • Programmable timer and weekly schedule (H7712-T74)
    • RS485 Modbus communication (H7711N variants)
    • IR remote option (H7713R)
  • 🔹 Sensor: NTC, internal or external selectable (H7711)
  • 🔹 Housing: PC + ABS Flame Retardant, IP30 rated
  • 🔹 Precise temperature control for optimized comfort and efficiency.
  • 🔹 Multi-mode flexibility: manual, auto, and programmable options.
  • 🔹 Seamless integration with HERZ motorized valves and actuators.
  • 🔹 Energy savings through intelligent fan and valve modulation.
  • 🔹 Universal voltage compatibility for flexible installation.
  • 🔹 Elegant, compact design with modern LCD or touch interface.
  • 🔹 Suitable for both new and retrofit HVAC systems.
  • 🔹 Residential and commercial HVAC systems.
  • 🔹 2-pipe or 4-pipe fan coil units.
  • 🔹 Central heating and cooling systems.
  • 🔹 Zone temperature control in offices and hotels.
  • 🔹 Building management and automation systems.
  • 🔹 VAV (Variable Air Volume) and damper control applications.
  • 🔹 Energy-efficient building retrofits and modernization projects.
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