Start-Up - Pentair PVM 1 Instructions

CHAPTER 8

START-UP

The pump and suction pipe should be filled with the liquid to be pumped before start-up to prevent dry running at start-up.
ATTENTION
Danger to equipment and operation.
Dry running can damage the pump bearing and shaft seal.
Before using the pump, read Application chapter for a proper use
8.1 OPERATION
• Start the pump and check the direction
of rotation of the motor (Three –Phase
motors).
ATTENTION
Danger to equipment and operation.
If the pump is installed in a location where it is subject to freezing when not in operation, then the pump and the pipe system should be
drained to prevent damage from freezing.
• Start the pump, keeping the on-off
valve of the discharge side of the pump
closed. Then, open the on- off valve
slowly. The pump must run smoothly
and noiselessly. If not, then it may be
necessary re-prime the pump.
ORIGINAL INSTRUCTION
• Check the current drawn by the motor.
If necessary, adjust the setting of the
thermal relay.
• Any air pockets trapped inside the
pump may be released by adjusting the
air screw.
EN
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