Gardena Pressure Tank Unit D-89070 Ulm - Manual (Page 8)

17
GB
CAUTION ! Work on the electrical parts must only be carried out by
GARDENA Service Centres.
If any other faults occur, please contact GARDENA Service.
8. Accessories
GARDENA Suction Hoses Kink- and vacuum-resistant, sold by the metre with 19 mm (3/4”)
or 25 mm (1”) diameter without fittings or in fixed length,
complete with fittings.
GARDENA Suction Hose Fittings • Art. no. 1723/1724
GARDENA Suction Filter To equip suction hoses with • Art. no. 1726/1727/1728
Backflow Preventer sold by the metre.
GARDENA Recommended for pumping • Art. no. 1730/1731
Pump Preliminary Filter sandy water.
GARDENA For vacuum-resistant connection • Art. no. 1729
Bore Hole Suction Hose of the pump to boreholes or pipe
networks. Length 0.5 m. With 33.3 mm
(G1) female thread at both ends.
Leak on the suction side.
Too little water on intake side.
Suction filter or non-return valve
blocked.
Boiler diaphragm is damaged.
Pressure in the boiler is too low.
Pump motor runs, but quantity
delivered or pressure fall away
suddenly.
Pump switches on and off too
frequently.
➔ Repair the leak.
➔ Throttle the pump on the
pressure side so that the flow
quantity on the suction side
is governed by that on the
pressure side.
➔ Clean the suction filter/non-
return valve.
➔ Have the boiler diaphragm
replaced by GARDENA
Service.
➔ Top up the air in the storage
tank.
Top up the air in the The pressure in the storage tank must be approx. 1.5 bar.
storage tank:
To top up the air, an air pump/tyre pump with a pressure gauge
(manometer) is required.
1. Unscrew the protective cover
ታ.
2. Attach the air pump/tyre pump to the boiler valve
ቴ and pump
air in until the air pump/tyre pump pressure gauge shows
approx. 1.5 bar.
3. Screw the protective cover
ታ back on.
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