Heating controller DELTA+ 23B set

• Boiler temperature controlled based on outdoor temperature for modulating heating
• Simple to operate with rotary potentiometer
• Circulation pump logic, automatic summertime/wintertime, frost-protection switch function
• Electronic accumulator temperature control, tank priority switching, charge pump lag, operating mode selector switch, boiler start-up protection
• Min./max. limit for heat generator
• 2-channel digital timer with three standard programmes
• Mixer runtime adjustment
• Flush-mounted assembly (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
• Extra-low voltage: 10 V DC
• Contact load, relay output: 4 (2) A
• Ambient temperature: 0° C – 50° C
• Protection type: IP30
• Connection technology: plug-in screw terminal connections
• Mounting type: Installed controller

• To control:
1 x heat generator, one-level
- 1 x direct heating circuit
- 1 x mixed heating circuit (3 point PI controller; only mixed motor, no circulating pump control)
- 1 x hot water

• Delivery contents:
- 1 x controller VT DELTA+ 23B EbV
- 1 x external sensor AF 200
- 1 x flow sensor VF 202
- 1 x boiler immersion sensor KVT 20/2/6
- 1 x tank immersion sensor KVT 20/5/6
- 1 x connection clamp BL 13 red
- 1 x connection clamp BL 13 blue