Wireless room thermostat ELEKTROBOCK BPT22 is an ideal solution wherever it is costly or impossible to draw wires from the thermostat to the boiler. The large backlit display offers the ability to operate in the dark. The receiver is equipped with a self-learning code system and an E-EPROM that stores the stored code even in the event of a power failure. BPT22 works with bidirectional communication at 433,92 MHz. The range can be up to 35 m (built-in).

The thermostat is now available under the designation BT22.

Technical specifications

Receiver

• Power supply 230 V/50 Hz
• Receiver with CODE SELECTION system and E-EPROM (retains the code even in the event of a power failure)
• Two-wire connection to the boiler (potential-free contact)
• Indication LED for status indication
  - power indication
  - sending / receiving a signal
  - fault condition
  - closed relay

Transmitter

• Large clear and backlit display
• Intuitive navigation in selected language (CZ/PL/EN/DE)
• Preset weekly program
• Programming after 10 minutes and 0,5 °C
• Programming by day or Mon-Fri, Sat-Sun and Mon-Sun
• Select HYSTERESIS 0,1 °C to 6 °C
• Possibility of short-term temperature change
• Manual mode (MANU)
• Permanent OFF
• Holiday mode
• Non-freezing mode (3 °C)
• Functionality Testing (TEST)
• Automatic DST/WINTER time change
• Alkaline power supply. 2 x 1,5 V/AA batteries