Siemens RDU340 - 4.4 Applications

11 / 32
Siemens RDU340… Basic Documentation CE1P3078en
Building Technologies Functions 2014-11-03
4.4 Applications
The controller supports following applications, which can be configured by DIP
switches on the inner side of the controller front panel.
Application and output signal, DIP switches, diagram
Single duct,
heating or cooling
Modulating, DC 0…10 V output signal normal
1
ON
2
Single duct,
heating or cooling
Modulating, DC 0…10 V output signal
inverted
1
ON
2
Y10
M
V
B1
B2
Single duct with electrical heater,
cooling and heating, with auxiliary heater
Modulating, DC 0…10 V output signal
normal
Note: on-off electrical heater
1
ON
2
Single duct with electrical heater,
cooling and heating, with auxiliary heater
DC 0…10 V output signal inverted
Note: on-off electrical heater
1
ON
2
Y10
MV
Y21
B1
V1 Heating or heating / cooling valve actuator B1 Return air temperature sensor or external room
temperature sensor (optional)
E1 Electric heater B2 Changeover sensor (optional)