New

RF Multi servo for KNX

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New product. Available from 12/2025.

Features

Battery-operated wireless servo for controlling heating valves via KNX RF Multi.
Installation on indoor radiators.
Compatible with heating valves with an M30 x 1.5-mm connection thread without the need for an adapter.
For Danfoss RA/RAV/RAVL, suitable adapters are included with screw and nut and a pin (only for RAV). These are mounted between the heating valve and the radiator thermostat.
Servos in the same room can be grouped for optimum control of multiple radiators.
Internal temperature sensor.
Integrated heating controller for absolute and relative heating control.
On-site operation (configurable) for target temperature adjustment, boot function and comfort extension.
Display showing the target temperature and diagnostics.
Configurable boost function.
Comfort extension/presence function.
Operating mode switchover (comfort, standby, night mode, frost protection).
Forced setting.
Service mode.
Automatic valve flushing.
Scene auxiliary unit for 16 scenes for operating mode adjustment with memory function.
Diagnostic fault and error messages are output directly on the device and/or via a KNX telegram.
The KNX bus displays the battery status.
For maintenance work, the servo can be moved to the variable 0 or 100% using the service mode function.
Supports KNX Data Secure communication.
Supports KNX Long Frames.
Can be fully updated and upgraded via KNX RF.
Typical outdoor wireless range 100 m.
Rated voltage: 2 x AA battery.
Typical battery life of two heating periods.

Technical data

Operating voltage:

2 × 1.5 V (DC), AA/LR6

Ambient temperature:

0°C to +50°C

Heating water temperature:

0°C to +80°C

Control range:

5°C to +30°C

Regulating power:

Max. 120 N

Dimensions in mm:

W53 H70 D85

Connection thread:

M30 × 1.5 mm

KNX medium:

KNX RF Multi

Start-up mode:

S mode

ETS version:

From ETS6.2

Wireless frequencies:

868.3 MHz, 868.950 MHz, 869.525 MHz, 869.850 MHz

Transmission power:

Max. 25 mW

Recipient category:

2 (according to DIN EN 300220)

Notes

An RF Multi/TP media coupler for KNX is required for integration in a wired KNX system.

Scope of supply

2 x battery (AA). Typical service life of two heating periods
Adapter set (plastic adapter for Danfoss RA, RAV, RAVL and screw with nut).
Secure Card with data for KNX Secure.

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