RDF340

Flush-mount room thermostat for rectangular conduit box, for 2-/4-pipe fan coils

Stock no. BPZ:RDF340

Stock no. BPZ:RDF340

Flush-mount room thermostat for rectangular conduit box, with LCD for fan coil units

  • Output for 3-speed or 1-speed fan

  • Two multifunctional inputs for keycard contact, external room / return air temperature (QAH11.1, QAA32), heat / cool changeover, operation mode changeover, window contact on/off, dewpoint monitor, electrical heater enabled, fault contact

  • Operating modes: Comfort, Energy Saving and Protection

  • Automatic or manual heating/cooling changeover

  • Adjustable commissioning and control parameters

  • Minimum and maximum setpoint limitation

  • Color of housing: signal white (RAL 9003)

Application selectable:

  • 2-pipe system

  • 2-pipe system with electrical heater

  • 4-pipe system


Attribute

Value

Operating voltage

AC 24 V

Frequency

50/60 Hz

Power consumption

8 VA

Positioning signal

DC 0…10 V

Control algorithm

P / PI

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

2

Analog input, signal

NTC 3k , Switch

Analog outputs

Heating/Cooling

Analog outputs, number

2

Analog output, signal

DC 0...10 V

Analog output, current

Max. ±1 mA

Relay outputs

Fan: N.O. contacts, floating

Relay outputs, number

3

Relay output, switching voltage

AC 24…230 V

Relay output, switching current

5 (2) A

Mounting

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

IP30

Dimensions (W x H x D)

86 x 86 x 57 mm