Bedienungsanleitung Gude MP 120-5A-GJ 9418 8 (Seite 16 von 80) (Deutsch, Englisch, Holländisch, Französisch, Italienisch)

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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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