Siemens AVS75.39 Series User Manual page 152

Consumer circuits
1 and 2
152 / 239
Siemens
Building Technologies
Consumer circuit 1 and 2 can be used as a heating or heating / cooling circuit (e.g.
for a door curtain function or cold storage room).
The consumer circuit is activated when the demand signal (contact or DC 0...10 V)
is parameterized at one of the Hx inputs and usage of the consumer circuit is
selected. Usage of a pump is optional.
Line no. Operating line
VK1 VK2
5750 5751 Consumer circuit 1 or 2
Off ¦ Heating ¦ 4-pipe system cooling ¦ 2-pipe system cooling
Off
Consumer circuit 1 / 2 is switched off.
Heating
The respective consumer circuit is used for heating purposes only.
4-pipe system cooling
The corresponding consumer circuit draws refrigeration and cooling from separate
lines.
2-pipe system cooling
The corresponding consumer circuit draws refrigeration and cooling from the same
lines.
User manual RVS43.345
The settings in detail
CE1U2354en_021
2013-09-02