Applications for heat pump systems *) - Basic Documentation - RDF302 - RDF302.B - RDF302/VB

Semi-flush mount room thermostats with RS485 Modbus communications RDF302, RDF302.B, RDF302/VB
Product Family
Product Group
Thermostats (temperature controller with sensor)
Content Language
English
Content Type
Technical Documentation > Basic Documentation
Product Version
Status
Valid
Date
2022-06-17
Document No
CE1P3079en
Download ID
A6V10350339
Stock No.
S55770-T238
S55770-T416
S55770-T428
Product No.
RDF302
RDF302.B
RDF302/VB
Access level
Internet
File Type
html
Application and output signal, DIP switches, diagram

  • 1-stage compressor ON / OFF
    (heating or cooling)

  • 1-stage compressor with electric heater
    (heating or cooling) ON / OFF

  • 1-stage compressor ON / OFF
    (heating and cooling)

N1 Thermostat
Terminal Y11: Heating or heating / cooling
Terminal Y21: for cooling (H &C)		 B1 Return air temperature sensor or external room temperature sensor (optional)
E1 Electric heater D3 Dewpoint sensor

*) RDF302.B does not have inputs X1 and X2, so sensor B1 and B2 are not included in RDF302.B application.