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ENGLISH
Pumps that are intended for use in or at garden ponds or similar
places must have a mains connecting cable that is not lighter
than rubber sheathed cables reference H07 RN-F (245 IEC 66)
according to EN 60335.
Danger! Mortal danger due to electric shock
The pump many not be used to drain swimming pools /
garden ponds or similar places if anyone is in the water.
WARNING! Hazardous to health!
Owing to the materials used, the pumps are not suitable
for potable water! Unpurified foul and waste water rep-
resents a health hazard.
CAUTION! Danger of property damage!
Pumping unpermitted substances can lead to product
damage.
The pumps are not suitable for water with coarse con-
tamination such as sand, fibres or combustible, caustic
fluids or for use in potentially explosive areas.
Correct use of the pump/unit also includes following these
instructions.
Any use over and beyond these is interpreted as incorrect use.
5. PRODUCT INFORMATION
5.1 Type key
Example:
SUBSON Premium 20 MFP
SUBSON
Submersible pump
Premium
Stainless steel
20
Size
M
monophase
F
with float switch
P
« portable » version with 10 metre cable
5.2 Technical data
1~230 V, ± 10 %
Mains voltage:
Mains frequency:
50 Hz
Protection class:
IP 68
Insulation class:
B
Speed:
2900 rpm (50 Hz)
Max. current
See name plate
consumption:
Power consumption P
:
See name plate
1
Max. flow rate:
See name plate
Max. delivery head:
See name plate
Operating mode:
4000 operating hours a year
Operating mode S3
Intermittent duty, 30 %
(optimum):
(3.0 min. operation, 7.0 min.
interval).
Recommended switch-
20/h
ing frequency:
Max. switching fre-
50/h
quency:
Free ball passage:
10 mm
Nominal diameter of
Ø 32 mm (Rp 1¼)
the pressure port:
Admissible fluid
temperature:
+3 to 35 °C
briefly 3 min.:
90°C
Max. submersion depth: 10 m
Flat suction up to:
18 mm
5.3 Scope of delivery
Pump with
•10 metre connecting cable with mains plug
•Connected float switch (design-F)
•Turbulator (Systéme SAN)
•Hose connection (Ø 32 mm / R 1)
•Non-return valve
•Installation and operating instructions
5.4 Accessories
Accessories must be ordered separately (see catalogue):
•Switchgear for 1 or 2 pump operation
•External monitoring devices / tripping unit
•Level control (e.g. flow switch)
•Accessories for transportable wet sump installation (e.g. hose
couplings, hoses, etc.).
•Accessories for stationary wet sump installation (e.g. check
valves, non-return valves, etc.)
6. DESCRIPTION AND FUNCTION
6.1 Description of the product (FIG. 1)
Pos.
Description of the
component
1
Cable and float
switch
2
Clip for float switch
3
Cap nut
4
Housing
5
Motor cover, top
6
Screw
7
Motor housing
8
Rotary shaft seal
9
Circlip
10
Washer
11
Mechanical seal
12
Seal
13
O-ring
14
Seal housing
15
Screw
The pump can be completely submerged in the fluid.
The submersible pump housing consists of stainless steel.
The electric motor is protected against the pump chamber by
a rotary shaft seal to seal the motor against the oil chamber
and a mechanical seal to seal the oil chamber against the
fluid. The mechanical seal chamber is filled with medical white
oil so that the mechanical seal is lubricated and cooled during
a dry run. A further rotary shaft seal protects the mechanical
seal facing the fluid.
The motor is cooled by the surrounding fluid.
The pump is installed on the floor of a shaft. For a stationary
installation, it is bolted to a fixed pressure pipe or for a transport-
able installation, it is connected to a hose connection.
The pumps are commissioned by plugging in the protective
contact plug.
They operate automatically, when the float switch switches
the pump on from a certain water level "h" (FIG. 2) and
switches it off at a minimum water level ''h1".
12
Pos.
Description of the
component
16
Rotary shaft seal
17
O-ring
18
Supporting ring
19
Screw
20
Pump housing
21
Impeller
22
Washer
23
Cap nut
24
Strainer
25
Screw
26
Hose connector Ø
32 mm / R 1
(not illustrated)
27
Non-return valve
(not illustrated)
28
Guide plate
29
Turbulator
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