Frost Protection - Siemens SINAMICS G120XA Operating Instructions Manual

Advanced commissioning
6.3 Pump control
6.3.3

Frost protection

Overview
The freezing water inside of the pump will damage the pump. With the frost protection enabled,
if the surrounding temperature falls below a given threshold, the motor turns automatically to
prevent freezing.
Precondition
Before enabling the frost protection, make sure that p0840 = r29659.0, p0844 = r29659.1,
p1143 = r29640.0 and p1144 = r29641.
Function description
● OFF1/OFF3: OFF3 disables frost protection function while OFF1 enables this function
again.
● OFF2/fault: The motor stops and the frost protection function is deactivated.
Note
Frost protection can not run when Operator Panels (BOP-2 or IOP-2) or G120 Smart Access
gets control of the motor.
Parameters
Number
p29622
p29623
218
Name
BI: Frost protection enable
Frost protection speed
For more information about the parameters, see Chapter "Parameters (Page 349)".
Operating Instructions, 03/2019, FW V1.0, A5E44751205B AB
Factory setting
0
0 rpm
SINAMICS G120XA converter