Applications; Functions; Storage And Operating Conditions; Safety - Grundfos Unilift AP35B Notice D'installation Et De Fonctionnement

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The pump is suitable for:

Applications

Groundwater lowering
Pumping of water from drain
water collecting tanks
Pumping of water from surface
water tanks with inflow from
roof gutters, shafts, tunnels,
etc.
Emptying of ponds, tanks, etc.
Pumping of fibre-containing
wastewater from laundries and
industries
Pumping of domestic
wastewater from septic tanks
and sludge treating systems
Pumping of domestic
wastewater without discharge
from water closets
Pumping of domestic
wastewater with discharge
from water closets
Maximum particle size [inches]
Warning
Do not use the pumps in or at
swimming pools, garden ponds, etc.
when there are persons in the water.
The pumps are not suitable for these liquids:
liquids containing long fibers
liquids containing solid particles exceeding the
sizes mentioned in 5. Storage and operating
conditions
flammable liquids (oil, gasoline, etc.)
aggressive liquids.
If the pump has been used for very dirty
or chlorinated water, it should be
Note
flushed thoroughly with clean water
after use.

4. Functions

Pump with float switch
Automatic start/stop.
Pump without float switch
Manual external start/stop.
6
AP35B
AP50B
1.38"
1.97"
(35 mm)
(50 mm)

5. Storage and operating conditions

Storage temperature: Down to –22 °F (–30 °C)
Minimum liquid
temperature:
Maximum liquid
temperature:
Installation depth:
pH value:
Density:
Viscosity:
Max. particle size
Operation
Intermittent operation
Continuous operation
Technical data:

6. Safety

Warning
Pump installation in wells or tanks
must be carried out by specially trained
persons.
+32 °F (0 °C)
+104 °F (+40 °C)
Maximum 23 ft (7m) below
liquid level
Between 4 and 10
Maximum 147 oz/gallon
(1100 kg/m³)
Maximum 10 cSt
2
(centistoke) (10 mm
/s)
AP35B: 1.38" (35 mm)
AP50B: 1.97" (50 mm)
The pump must always be
covered by the pumped
liquid.
The pump is allowed to run
for maximum 5 minutes per
30 minutes without the
motor being submerged in
the liquid.
During continuous
operation, the pump must
always be completely
covered by the pumped
liquid.
See section 11. and pump
nameplate

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Ce manuel est également adapté pour:

Unilift ap50b

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