39
O
p
erat
ion
Commissioning
$OZD\VPDNHFRPPLVVLRQLQJZKHQ¿UVWPRXQWLQJWKHSXPSLQ\RXUV\VWHPRUUHVXPLQJRSHUDWLRQDIWHUDORQJ
period of stoppage.
Open an air vent and a suction line.
Do not open a calibration line if any.
Supply the rated power voltage to the pump.
6WDUWWKHSXPSDWDORZÀRZUDWHDQGJUDGXDOO\LQFUHDVHLWWRDWDUJHWUDWH
Continue operation for 10 minutes and check the pump and plumbing for any abnormality.
&ORVHDQDLUYHQWOLQHWRLQWURGXFHOLTXLGWRDPDLQOLQH
Before a long period of stoppage (One month or more)
Clean wet ends and the inside of piping.
• Run the pump with clean water for about 30 minutes to rinse chemicals off.
Before unplugging the pump
•
Always stop the pump by key operation and wait for three seconds before unplugging the pump. Or the last
key operation may not be put in memory, and the pump unintentionally starts to run as powered on, discharg-
LQJOLTXLG
When the pump does not transfer liquid at resuming operation.
• Clean the valve sets and remove foreign matters.
• If air is in the pump head, expel air through the above commissioning procedure.
2
1
3
4
Before operation
Air vent valve
Open
Open
Close