6.2.3 Switching off
NOTICE!
Property damage due to voltage peaks!
–
Only switch the unit off using the EMERGENCY STOP button in
an emergency!
1.
Switch off motor. Maintain the following functions, if available:
n
for double ring seals: Sealing pressure, until pump is pressure-free (
manufacturer's specifications),
n
sealing system,
n
cooling water supply until pump operating temperature has dropped
below 100 °C.
2.
Close inlet and outlet side valves.
3.
Close outlet side valves.
4.
If present and permitted in the process: Switch off heating.
n
The conveyed medium must not solidify.
5.
Open drain screw until pump is depressurised.
6.
Screw in and tighten drain screw.
7.
Clean / sterilise the pump, if necessary (
Chapter 6.3 ‘Cleaning/sterilizing
).
6.3 Cleaning/sterilizing the pump
SLH and SLH-S series pumps can be cleaned/sterilised without dis-
mantling.
Determine CIP medium and CIP temperature in accordance with the
operating requirements.
NOTICE!
Damage to pumps, hoses and fittings with pressure testing or
rinsing!
–
When carrying out pressure tests or rinsing do not expose
pumps, hoses or fittings to impermissible pressure.
–
Separate pumps, hoses or fittings from the system in advance,
if necessary.
Operation
Type SLH-4G, SLHS-4G
55
01/2016 JPB Rev. 5
