Operation Manual

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Siemens Schweiz AG User Manual CE1U2354en
HVAC Products Cooling circuit 23. August 2007
TA
TVKw
TTP
T
BZ 950
TVKw Flow temperature setpoint, cooling
TTP Dew point temperature
OT Outside temperature
BZ Operating line
Buffer storage tank / primary controller
Line no. Operating line
962 With buffer storage tank
No ¦ Yes
963 With primary controller / system pump
No ¦ Yes
If there is a buffer storage tank, this setting defines whether the cooling circuit can draw
cooling energy from it.
This determines whether the cooling circuit is supplied via the primary controller or with
the help of the system pump (depending on the type of plant).
Remote control
Line no. Operating line
969 Changeover of operating mode
None ¦ Off ¦ Automatic
In the case of external changeover via inputs H1 / H2 / H3, the operating mode to be
used can be selected.
With buffer storage tank
With primary controller /
system pump