Flush-mount room thermostat for rectangular conduit box, for 2-/4-pipe fan coils or DX type equipment, backlit LCD

Stock no. BPZ:RDF300.02

Stock no. BPZ:RDF300.02

Same functionality and technical data as RDF300 and:

  • Backlit display



Operating voltage

AC 230 V


50/60 Hz

Power consumption

8 VA

Positioning signal

2-position, 3-position

Control algorithm

2-point or PI / P

Ambient temperature, operation

0...50 °C

Setpoint setting range

5...40 °C

Measuring range, temperature

0…49 °C

Switching differential

0.5…6 K

Analog inputs

External room / return air temperature, Heat / Cool changeover, Operation mode changeover, Window contact on/off, Dewpoint monitor, Electrical heater enabled

Analog inputs, number


Analog input, signal

NTC 3k , Switch

Relay outputs

Fan: N.O. contacts, non-floating, Valve: N.O. contacts, non-floating

Relay outputs, number


Relay output, switching voltage

AC 230 V

Relay output, switching current

5 (2) A


Flush-mounting with recessed rectangular conduit box
Fixing center 60.3 mm (BS4662)

Type of fixing

Recessed rectangular conduit box BS4662 (ARG71) with fixing centres of 60.3 mm

Degree of protection


Dimensions (W x H x D)

86 x 86 x 57 mm