KSB Calio S, Installation & Operating Manual

Page: 29 / 52

6 Commissioning/Start-up/Shutdown
29 of 52
Calio S
1157.8117/01-EN
6.2.5.3 Fluid temperature
CAUTION
Incorrect fluid temperature
Damage to the pump (set)!
▷ Only operate the pump (set) within the temperature limits indicated.
Table 10: Temperature limits of the fluid handled
Permissible fluid temperature Value
Maximum + 95 °C
Minimum + 2 °C
The fluid temperature has an impact on the minimum inlet pressure.
(
ð Section 6.2.3, Page 27)
6.3 Shutdown
6.3.1 Shutdown
NOTE
If the discharge line is equipped with a non-return or check valve, the shut-off
element may remain open provided that the system conditions and system
regulations are considered and observed.
ü
The shut-off element in the suction line is and remains open.
1. Close the shut-off element in the discharge line.
2. Switch off the pump set.
For prolonged shutdown periods
CAUTION
Risk of freezing during prolonged pump shutdown periods
Damage to the pump!
▷
Drain the pump and the cooling/heating chambers (if any) or otherwise protect
them against freezing.
1. Close the shut-off element in the suction line.
6.3.2 Measures to be taken for shutdown
The pump (set) remains installed
ü Sufficient fluid is supplied for the functional check run of the pump.
1. For prolonged shutdown periods, start up the pump (set) regularly between
once a month and once every three months for approximately five minutes.
ð This will prevent the formation of deposits within the pump and the pump
intake area.
The pump (set) is removed from the pipe and stored
ü The pump has been drained properly ( ð Section 8.2, Page 43) and the safety
instructions for dismantling the pump have been observed.
1. Observe any additional instructions and information provided.
( ð Section 3, Page 11)