Siemens RDF302 Documentation page 17

Heating and cooling
 4-pipe fan coil unit
(heating and cooling) ON/OFF
 Chilled ceiling and radiator
(heating and cooling) ON/OFF
 1-stage compressor
(heating and cooling) ON/OFF
Key
Siemens
Building Technologies
Y1 Heating or heating / cooling valve
actuator
Y2 Cooling valve actuator
E1 Electric heater
RDF302 Basic documentation
Functions
ON
1 2 3
Y2
Y1
M1 3- or 1-speed fan
B1 Return air temperature sensor or external
room temperature sensor (optional)
B2 Changeover sensor (optional)
T
(B1)
M1
T
(B1)
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CE1P3079en
07 Dec 20111