Heating control unit Delta+223B with 4 sensors

• Weather-compensated boiler temperature control for modulating heating operation
• Easy operation via rotary potentiometer
• Circulation pump logic, summer/winter automatic mode, frost protection circuit
• Electronic storage temperature control, storage priority switching, charging pump overrun, operating mode selector switch, boiler start-up protection
• Minimum/maximum heat generator limit
• 2-channel digital timer with three standard programs
• Mixer runtime adjustment
• Flush-mount installation (installation dimensions: 137 x 91 mm, frame dimensions: 144 x 96 mm)

Technical data:

• Operating voltage: 230 V, 50 Hz
• Power consumption: max. 4 VA
• Low voltage: 10 V DC
• Contact rating relay output: 4 (2) A
• Ambient temperature: 0°C – 50°C
• Protection class: IP30
• Connection technology: pluggable screw terminal connections
• Mounting type: Built-in regulator

• For controlling:
• 1 x heat generator, 2-stage
• 1 x direct heating circuit
• 1 x mixing heating circuit (3-point PI controller; mixing motor only, no circulation pump control)
• 1 x hot water

• Scope of delivery:
• 1 x VT DELTA+ 223B EbV controller
• 1 x external sensor AF 200
• 1 x Flow temperature sensor VF 202
• 1 x boiler immersion sensor KVT 20/2/6
• 1 x storage immersion sensor KVT 20/5/6
• 1 x terminal block BL 13 red
• 1 x terminal block BL 13 blue