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Advanced commissioning
6.4 Pump control
6.4.2
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.
Note
For converters with PROFINET and PROFIBUS DP interfaces, set p29651 = 2090.0 and
p29652 = 2090.1.
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
If you want to run frost protection, make sure that Operator Panels (BOP-2 or IOP-2) or G120
Smart Access does not get control of the motor in the JOG/Hand mode.
316
Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC
SINAMICS G120X converter
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