10. Check direction of rotation by switching on and off briefly. It must be the same as the directional
arrow on the drive lantern.
6.1.4 Switch on drive
1.
Immediately (max. 10 seconds on 50 Hz resp. max. 7 seconds on 60 Hz currency feed) after reach-
ing normal operating speed open discharge valve adjust the required operating point. The pumping
data shown at the type plate resp. in the data sheet and / or the order confirmation must be met.
Every change is only permitted after talking with the manufacturer.
NOTICE:
Operation with closed valve in the suction and / or discharge piping is not permitted.
NOTICE:
On starting-up without back-pressure, the back- pressure must be produced through throttling
at the discharge side. After reaching full back- pressure open valve.
NOTICE:
If pump does not reach attended head or if atypical sounds or vibrations do occur:
Switch off pump (see
Shutting down
8.1.1 Operation troubleshooting on
.
6.1.5 Restarting
Basically, the same procedure should be followed as for starting up for the first time. However, there is no
need to check the direction of rotation and the accessibility of the pump unit.
The pump should only be automatically restarted if it has been made sure that the pump has remained
filled whilst stand by.
NOTICE:
Be particularly careful not to touch hot machine parts and when working in the unprotected
shaft seal area. Remember that automatically controlled systems may switch themselves on
suddenly at any time. Suitable warning signs should be affixed.
6.1.6 Limits of operation
Flow limits
WARNING:
Risk of serious physical injury or death. Exceeding any of the pump operating limits (e.g. -
pressure, temperature, power, etc.) could result in equipment failure, such as explosion, seiz-
ure, or breach of containment. Assure that the system operating conditions are within the capa-
bilities of the pump.
•
Do not exceed the output given on the motor name plate.
•
Avoid sudden changes in temperature (temperature shocks).
6.1 Commissioning, Startup, Operation, and Shutdown
ICB Installation, Operation and Maintenance Instruction
29
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