Grundfos DMX Series, Инструкция по установке и эксплуатации

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21 V3.0
DMX model 227
5 Commissioning
5.1 Inspections before Commissioning
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Check the tightness of all connections. If necessary, retighten.
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Check the correctness of all electrical connections.
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Check if the voltage indicated on the type plate corresponds with the local
voltage!
5.2 Commissioning
CAUTION After initial start-up and after each diaphragm
exchange, tighten the fixing screws of the dosing head:
After approx. 6 to 10 working hours or two days, tighten
the dosing head screws crosswise using a torque
wrench, torque 70-80 Nm.
Fill with gear oil
The pump has been tested in the factory, and the oil drained prior to shipping.
Before using, fill with the supplied special oil as follows:
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Switch off the pump.
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Unscrew the venting screw with oil dipstick.
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Slowly pour the supplied gear oil into the opening of the venting screw until
it reaches the mark on the dipstick.
- Gear oil for single pumps: 5.0 l
- Gear oil for dual pumps: 7.5 l
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Switch of the pump after approx. 10 minutes, check the oil level, and add
more if necessary.
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Refit the oil dipstick.
Start the pump
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Switch on the power supply.
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Pumps with frequency converter: set dosing rate to 100%.
➜
See Operation Manual of frequency converter! See also chapter
Adjustment of dosing rate using frequency converter
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The pump is now ready for use.