Thermostat Homematic IP HmIP-BWTH RF White

The Homematic IP HmIP-BWTH RF White thermostat is a compact wall-mounted control device designed for electric heating systems. It uses an RF interface for wireless communication with Homematic IP networks and displays current settings and temperature on an integrated LCD. The unit operates from a 230 V supply with a maximum switching current of 1 A and has an IP20 rating for indoor installation in dry rooms. Its small dimensions make it suitable for installation in confined spaces where accurate room temperature control is required.

Advantages

The thermostat combines a radio frequency interface with a clear LCD for local monitoring and adjustment, allowing integration into Homematic IP smart home environments without wired bus connections. Its 230 V power supply and 1 A switching capability are suitable for low-power electric heaters and underfloor heating actuators. The compact housing simplifies installation in standard wall boxes and reduces space requirements. With IP20 protection, the device is intended for indoor use where it is protected from direct moisture.

Suitable for

• Control of low-power electric radiators and convectors
• Room temperature regulation in living rooms, bedrooms, offices
• Integration into Homematic IP wireless heating control systems
• Replacement of a mechanical or conventional electronic thermostat in dry indoor environments

Key specifications

• Power supply: 230 V AC
• Maximum switching current: 1 A
• Communication: RF (Homematic IP)
• Display: integrated LCD for temperature and settings
• Protection rating: IP20 (indoor use only)
• Dimensions: 55 x 54 x 55 mm (compact form factor)

How to use

Mount the thermostat on a suitable interior wall in a location representative of the room temperature, avoiding direct sunlight and heat sources. Connect the device to the 230 V supply and the heating actuator according to the installation instructions supplied by the manufacturer. Pair the thermostat with a Homematic IP base station or compatible access point using the RF interface for central control and scheduling. Adjust target temperatures and modes on the device’s LCD or via the Homematic IP app when connected to the system.

Recommendations

For reliable operation, install the thermostat at a height of about 1.5 m and away from doors, windows, or direct drafts. Use the device with compatible low-power heating loads not exceeding the 1 A switching limit. Regularly check wireless connectivity within the Homematic IP network and follow the manufacturer's safety and installation guidelines when working with mains voltage.