Remedy Of Faults; Maintenance And Cleaning - Neptun Premium NPTP-O 1500 Operating Instructions Manual

- GB -
- GB -
Commissioning/start-up
NOTE
Never allow the pump to run dry. Otherwise the pump will be destroyed.
 Ensure that the pump is always flooded during operation.
 Regularly check the water level.
This is how to connect the power supply:
Switching on: Connect the unit to the mains. The unit switches on immediately.
Switching off: Disconnect the unit from the mains.
Use as a fountain pump
After installation and connection, adjust the shape of the fountain by changing the screw-in depth of the nozzles.
 D
 Turn the control valve on the telescopic extension to achieve the desired spray pattern.
 If necessary, turn the control valve on the ball joint to achieve the desired flow rate.

Remedy of faults

Malfunction
The unit is not operating
Insufficient delivery rate
Unit switches off after a short running period
Wear parts
 Impeller unit

Maintenance and cleaning

WARNING
Possible death or severe injury from hazardous electrical voltage!
 Prior to reaching into the water, isolate (switch off and disconnect) all units/devices used in the water.
 Isolate the device (disconnect from the power supply) before carrying out any work on it.
Cleaning the filter housing
If necessary, clean the unit with clear water using a soft brush.
 Do not use aggressive cleaning agents or chemical solutions as they could attack the housing or impair the function
of the unit.
 Recommended cleaning agent for removing stubborn limescale deposits:
– Vinegar- and chlorine-free household cleaning agent.
Cleaning the pump
How to proceed:
 E
1. Unscrew the transition piece (with telescopic extension or stepped hose adapter) from the pump.
2. Actuate the engagement hooks on the filter housing and open the filter housing.
3. Unscrew the pump lid by turning counter-clockwise and remove (bayonet closure).
4. Pull out the impeller unit (magnetic resistance).
5. Rinse all parts.
6. Reassemble the unit in the reverse order.
12
Cause
No mains voltage
Impeller blocked
Strainer casing clogged
Excessive pressure losses in the hoses
Water temperature too high
Remedy
Check mains voltage
Clean impeller
Clean strainer casing
Reduce hose length and connecting parts to a
minimum, route hoses as straight as possible
Note maximum water temperature of +35 °C