Gardena PTU 3700/4 Panduan Operator - Halaman 7

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4. Open the screw fitting

(6)

of the filler neck

(9)

screw

The pump drains.

5. Store the pump in a dry, enclosed and frost-free place.

Disposal:

(in accordance with RL2012/19/EC)

The product must not be disposed of to normal household

waste. It must be disposed of in line with local environmental

regulations.

IMPORTANT!

v Dispose of the product through or via your municipal recycling collection

centre.

6. TROUBLESHOOTING

DANGER! Risk of injury!

Injury when the product starts accidentally.

v Disconnect the product from the mains before you trouble-

shoot the product.

To loosen the impeller [ Fig. T1 ]:

An impeller blocked by dirt can be freed again.

(10)

v Turn shaft of the impeller

with a screwdriver.

This will loosen the stuck impeller.

To clean the filter [ Fig. T2 ]:

If the pump does not start or stops suddenly during operation, this may

be due to a clogged filter.

1. Loosen the screw connection

2. Unscrew the filter

(16)

3. Clean the filter

under running water.

(16)

4. Assemble the filter

in reverse order.

Problem

Possible Cause

Pump is running, but the

Leaky or damaged suction

suction action doesn't take

hose.

place

The pump was not filled with

water.

The liquid escapes over the

hose which is connected to

the delivery side during the

suction action.

Absolutely vacuumresistant connection is achieved by using

GARDENA Suction Hoses (see 8. ACCESSORIES).

Leaky screw fitting at the

filler neck.

Air cannot escape, since

delivery side is closed or

remaining water is in the

pressure hose.

The waiting time wasn't

observed.

Suction filter or backflow

preventer in the suction hose

clogged.

Too high suction height.

In case of any other difficulties concerning the suction action,

use GARDENA Suction Hoses with Backflow Preventer

(see 8. ACCESSORIES) and fill in the liquid to be pumped

over the filler neck before operation.

Pump does not start,

Thermal switch has turned

or stops suddenly during

the pump off because of over

operation

heating.

No power supply to the pump.

(7)

and the water drain

(15)

Remedy

v Check suction line for

damage and seal it so it

is airtight.

v Fill the pump

(see 3. OPERATION).

v 1. Fill the pump again

(see 3. OPERATION).

2. When starting operation

hold the pressure hose

approx. 1 m vertically

above the pump, until the

suction action has taken

place.

v Check seal (replace if neces

sary) and tighten connection

securely (do not use pliers).

v Open shutoff valves

(e. g. nozzle) in the delivery

line, empty the delivery hose

or disconnect it from the

pump during priming.

v Switch on the pump and wait

up to 5 min.

v Clean the filter or the back

flow preventer.

v Reduce suction height.

v Clean the filter.

Observe the max. media

temperature (35 °C).

v Check fuses and electrical

plug connections.

Problem

Possible Cause

Pump does not start,

RCD has triggered

or stops suddenly during

(residual current).

operation

Pump is not switched on.

Pump is running but the

Suction hose end is not

delivery drops suddenly

in water.

Suction filter or backflow

preventer clogged.

Leaks at suction side.

Impeller blocked.

Noise development in the

In the case of strong flows (e. g. open hose end, without connect

hydraulic area

ing device), noise may result in the hydraulic part of the pump.

This is harmless and does not lead to damage of the pump.

The noise can be removed by lightly changing the flow (e. g. light

opening / closing of a connecting device).

Pump switches on and

Tank membrane is damaged.

off too often

Pressure in the tank is too low. v Refill the air in the storage

Leakage on the pressure side.

NOTE: For any other malfunctions please contact the GARDENA service

department. Repairs must only be done by GARDENA service departments

or specialist dealers approved by GARDENA.

7. TECHNICAL DATA

Pressure Tank Unit

Unit

Rated power

Mains voltage

V (AC)

Mains frequency

Max. delivery capacity

l/h

Max. pressure /

bar /

max. delivery head

Max. self-priming suction

height

Working pressure p(W)

(switch-on to switch-off

bar

pressure

Permitted internal pressure

bar

(delivery side)

Power cable

Weight

Sound power level L

measured / guaranteed

dB(A)

Uncertainty k

Max. media temperature

°C

Measuring process complying with:

RL 2000/14/EU

8. ACCESSORIES

GARDENA Suction Hoses

Kinkproof and vacuumproof, optionally available by the metre

Art. 1720 / 1721 (19 mm (3/4") / 25 mm (1")) without connecting

fittings or in fixed length Art. 1411 / 1418 complete with connecting

fittings.

GARDENA Suction Hose

For connection on the suction side.

Fitting

GARDENA Pump

For connection on the delivery side.

Connection Set

GARDENA Suction Filter

To equip suction hoses with backflow

with backflow preventer

preventer sold by the metre.

GARDENA Pump

Recommended for pumping sandy liquids.

Preliminary-Filter

GARDENA Bore Hole

For vacuumresistant connection of the pump

Suction Hose

to boreholes or pipe networks. Length 0.5 m.

With 33.3 mm (G1) female thread at both ends.

Remedy

v Disconnect the pump

and contact the GARDENA

Service.

v Push the On / Off switch

to On.

v Submerge the end of the suc

tion hose deeper in the water.

v Clean the suction filter or

backflow preventer.

v Eliminate leak.

v Release impeller.

v Let the tank membrane be

replaced by the GARDENA

Service.

tank.

v Eliminate leaks on the

pressure side.

Value

(Art. 9023)

800

230

3700

4.1

1.5 – 2.8

1.5 (H07RNF)

13.1

78 / 82

3.58

ISO 4871

Art. 1723 / 1724

Art. 1750 / 1752

Art.

1726 / 1727 / 1728

Art. 1730 / 1731

Art. 1729