Siemens RDG20 KN Series - Page 171

Connection
Application examples
6
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Compressor application, with reversing valve (heating/cooling) and DC 0...10 V
fan:
Commissioning
Outputs used
● Application 4-pipe
● Control output P201 = 4 (On/Off)
● Fan P351 = 3
(or DIP6 = OFF)
● Relay function Heating/cooling
– ON in demand: P401 = 2
– Energized mode: Heating P401 = 5
– Energized mode: Cooling P401 = 6
● M1 DC 0...10 V fan
● V1
*)
Reversing
valve
● V2
*)
Compressor
● K Relay
*)
Release contact
See Technical data [➙ 177] for min. and
max. ratings
RDG26..KN
Example 3:
Compressor and
reversing valve