RAMSES 856 top2 OT

Savaitinis termostatas su OpenTherm

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Galimybės
  • Digital heating control for time-dependent monitoring and control of room temperature
  • Open Therm heating controller for 2 or 3 point control, weather-dependent, service water and circulation control
  • Automatic sensor recognition for weather- or room-dependent control; can be switched manually at any time
  • 3 different weekly programs
  • 3 comfort and 2 reduced temperatures can be allocated to each phase
  • INFO button for the most important data
  • Additional switching program for domestic hot water utilisation times
  • Adjustable service water storage temperature, programmable legionella protection
  • Party/ECO program
  • Chimney sweeping function with push button OT box
  • Minimum boiler temperature can be set
  • 2 heating curves can be set for 2 heating circuits
  • 2-stage burner control option
  • Holiday program with reduced temperature or date-controlled heating phase can be programmed e. g. for holiday homes
  • USB interface for modem
  • Automatic summer/winter time adjustment
  • Boiler/feed temperature (control circuit 1) controlled by switching the burner
  • Control of feed temperature (control circuit 2) via pump control or motor-controlled mixer
  • 3-point controller with feed sensor
  • Time- and temperature-dependent control of hot water circulation pump.
  • Pump protection function
  • Inputs: External sensor (contained in set), feed sensor heating circuit (contained in set), contact or immersion sensor for domestic hot water, contact sensor for circulation
  • Elapsed-time counter for recording relay switching times e.g. burner operating time
  • Adjustable reminder function for heater maintenance
Applications

RAMSES 856 top2 OT

Operating voltage 230 V AC
Frequency 50 Hz
Type of contact NO contact
Installation type Wall installation
Switching capacity 5 x 5 (1) A Relay, 2 x 1 (1) A Relay:
Setting range temperature +6 °C … +30 °C
Setting range frost protection +6 °C … +15 °C
Flow temperature limit +40 °C … +90 °C
Type of connection 2-way conductor (BUS) room controller
Program Weekly program, Daily program
Number of memory locations 42 , max. 24 per program
Switching hysteresis 2 – 20 K
Mixer runtime 2 – 10 min
Suitable for SELV No
Control types 2 or 3 point
Mode of operation Type 1 B as per EN 60730-1
Power reserve 4 hours
Stand-by consumption ~1,1 W
Type of protection IP 20
Protection class II according to EN 60 730-1
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