RVD140-A

• Operating voltage: AC 230 V
• Frequency: 50 Hz
• Power consumption: 6 VA
• Analog input, signal: LG-Ni1000 , NTC 575 , DC 0...10 V
• Digital inputs, number: 1
• Digital inputs: Flow switch
• Digital outputs: 5 × AC 230 V 1(1) A, 4 × AC 230 V 2(2) A
• Dimensions (W x H x D): 144 x 96 x 109 mm
• Warranty: 24 Months

Same functionality as the RVD120, but with the following extra features:

• 8 ready programmed and preselected plant types
• Solar d.h.w. heating
• D.h.w. heating with electric immersion heater
• Refill function
• Communication via Modbus

Plant-specific
– Precontrol of internal control loops
– 1 pump or mixing heating circuit, flow temperature control, optionally weather-compensated / weather- and room temperature-compensated / room temperature-compensated
– D.h.w. heating:

• Instantaneous system
• Storage tank charging system with 1 or 2 storage tank sensors
• Storage system with integrated heat exchanger
• 2 charging pumps
• Circulating pump
• Solar d.h.w. heating