Manual Gude HWW 1200 Tief (page 15 of 92) (English, German, Dutch, French, Italian, Swedish, Norwegian)

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Protection against Overloading /Thermoswitch of the

Engine

The pump is furnished with an engine thermoswitch. If the

motor is overheated, the thermoswitch switches the pump

automatically off. The cooling period makes approx. 25

minutes, thenafter the pump will be automatically switched

on again. If the engine switch is on, it is necessary to find

and remove the cause (see also “Troubleshooting”). The

data here given cannot be considered as instructions for

“home made” repairs, because the repair works require

specific professional knowledge and skill.

Therefore you have to contact customer service if any

failure occurs.

It is unconditionally necessary to secure good air

supply in order to prevent overheating of the pump!

Do not install the pump in too tight shifts, do not cover

it with anything!

Operation

Air pressure

Pull out the network plug.

Open the consumption valve, e.g. water main tap, so that the

water may be pressed out of the system..

Turn the protection lid on the bleeding valve in the down

direction (F).

Check the air pressure in the vessel with compressor and

device for tyre pumping.

The specified air pressure is 1,5 ± 0,3 bar.

Bleeding

Release the bleeding screw and let the possible closed air

escape. (Fig. A; pos. 2)

Water Bubbles

Release the screw for draining water bubbles so that the

pump may be drained (Fig. A; pos.11)

Vessel pressure

Switch off pressure set by the manufacturer is 3-4 bar after

completion of filling.

Setting pressure of the vessel (air) makes 1,5 ± 0,3 bar

and it should be regularly checked and modified (G).

Safety Instruction for Operator

Use the device only after you have carefully read Operating

Manual.

Observe all safety instructions mentioned in the Manual.

Behave responsibly against other persons

Instruction Step-by-Step

• Connect the suction pipeline that complies with the

outlet connecting pipe to the check valve

(foot

valve). Tighten all

threading connections by sealing

band (B)

• After filling up remove the bleeding screw on the

back side of the pump and on the connecting line of

pressure pipeline. (Fig. A; pos. 1 and 2) Fill the

device up until the water exits from the bleeding

hole (E)

• Make tight the bleeding screw and retight it again.

Then make tight the pressure pipeline and connect

it.

• Connect the pump to the electric network.

Caution: When installing suction and pressure

pipeline on corresponding connection lines, the

corresponding thread shall always be tightened

carefully so that no damage occurs due to cracking of

the pump shell (A) !

Caution: Careful sealing of thread connections

(A/B) and airless

filling (E) of suction system – (suction

hose and pump shell) , will save you from trying to

perform suction that may often be unsuccessful!

Check the tightness of the foot valve (D) – Fill the

system according to the instruction (C) and pull the

suction hose out of the medium being repumped before

putting into operation for the purpose of checking (D) -

the liquid should not escape from the suction hose

now!

Deep suction – what is it? (H/K)

1. Foot valve with filter

2. Suction nech, injector

3. Injector

4. Outlet neck, injector

5. Injector jet

6. Venturi pipe, injector

7. Suction pipeline

8. Suction neck, pump

9. Filling screw

10. Ball valve

11. Pressure pipeline

12. Outlet neck, pump

13. Recirculating neck, pump

14. Recirculation pipeline

15. Recirculation neck, injector

Suction deep up to 30 m by means of the injector (K)

The physically conditioned limit of suction height of pumps

with deep suction has been approx. 7.5 m so far. After

introduction of a new procedure based on reverse leading of

water by means of the injector the suction depth can be up

to 30 m now. This output can be achieved as follows: a part

of sucked water is lead back to the injector during the

suction phase, thus a pressure is created enabling the water

to be sucked from such depths (inside dia of drilled hole at

least 120 mm).

How to assemble and operate the injector supply line?

The suction pipeline shall have the same or greater dia than

the suction necks of corresponding pump (point 8 and 9).

The suction pipeline and injector are to be connected as

shown in Fig. 1. The foot valve with filter (1) shall be

unconditionally used. Check, if the suction pipeline is clean

to prevent blocking of the injector.

Open the filling screw (9), fill the clean water into the pump

shell and close the screw again.

Assemble the ball valve on the outlet neck (10). Check if the

network voltage is the same as the pump engine voltage

(these data can be found on type label of the engine).

Close the ball valve and put the pump into operation.

Gradually keep opening the ball ventil till the maximum

pumping output is reached, then leave tha ball valve in this

position. This setting can be performed only manually.

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Gude HWW 1200 Tief Manual

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