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6.2 Water Drainage
Fig. 15
Remove the drain screw to empty the pump.
6.3 Operating Safety Instructions
See the General Safety Instructions and the Safety Instructions at Initial Putting in Operation.
Do not use the pump until you have read the manual.
Observe any safety instructions contained in the manual.
Be responsible to the others.
6.4 Step-by-Step Instructions
As this pump has not got any self-pumping system for initial operation, take steps described below to fill the pump:
Connect the respective suction line with a back valve to the output connection. In addition, pack all the threaded
connections with Teflon tape.
Filling: Remove the bleed screw on the rear side of the pump and on the pressure line connection. Fill the unit with water
until water is running from the de-aeration hole.
Pack the bleed screw and screw it in again. Tighten the pressure line and connect it.
Caution: There is not feed cable on the pump and only a professional electrician is allowed to connect it. Once the cable is
professionally connected, you may plug the pump.
Before starting the pump, open the cock on the outflow side.
If it is impossible to pump the water in at the beginning, it may be due to air in the suction line. If this is the case, suspend
the power supply, pour water in the suction line and switch the pump on and off in turns until it starts pumping again.
Caution: Work carefully when connecting the suction and pressure line to the plastic body of the pump so that material
does not split.
6.5 Accessories
Filter (as an accessory to be obtained from your specialised vendor
If there some dirt in the water, filter on the intake is recommended.
7 Troubles-Causes-Troubleshooting
WARNING: ALWAYS CHECK THE OVEHEATING FUSES FIRST!
Trouble Cause Troubleshooting
Motor will not start
No system voltage
The pump impeller blocked
Check the voltage
Using a screwdriver, turn the motor shaft via the fan
cover.
Pump not sucking
Foot valve missing or leaking or obstructed.
Foot valve not in the water
Pump body without any water
Air bubbles in the suction line
Connections not tight , the pump takes the air in,
the pump not de-aerated
Fit the foot valve or clean it
Immerse the suction valve in water
Fill the pump body
Check the suction lift of the pump
Check the suction line for leakage
Repeat wiring carefully proceeding according to chapter
“Putting in Operation“!
Insufficient amount of
delivered water
Suction lift too high
Fouled foot valve strainer
Water level falling too quickly
Check the suction lift
Clean the strainer
Put the foot valve lower
Clean the pump and replace parts getting worn too
quickly.
Thermal switch putting
the pump off
Thermal cut-out has put the pump off as it was
overheated.
Current supply missing
Foreign objects (e.g. pebbles) have stuck in the
suction hole.
Let the unit cool down!
Dismantle and clean the pump. Prevent the foreign
objects from being sucked in.
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