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.
)DXOW
6SHHG
S
2))
212))2))
2))
2))
2))
S
W
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
Name
Factory setting
p29622
BI: Frost protection enable
0
p29623
Frost protection speed
0 rpm
For more information about the parameters, see Chapter "Parameters (Page 349)".
Advanced commissioning
6.3 Pump control
SINAMICS G120XA converter
218
Operating Instructions, 03/2019, FW V1.0, A5E44751205B AB
Содержание SINAMICS G120XA
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