Electrical Connection - Pentair Jung Pumpen OXYPERL 3 Instructions De Service

ENGLISH
For installations in areas subject to explosion hazards, special
regulations apply!
APPLICATION
The OXYPERL range of submersible motorised aerators is sui-
table for aerating and circulating wastewater in small-scale
clarification plants. Other uses, for instance, are the insertion
of oxygen into garden ponds or fish ponds.
When using the aerators, the relevant national laws, regula-
tions and stipulations must be adhered to, for example:
• Household and similar electrical appliances - Safety (e.g. DIN
EN 60335-2-41 in Germany )
• Installation of low voltage systems (e.g., VDE 0100 (30 mA FI)
in Germany)
Aeration of wastewater
The aeration propeller develops a vacuum and takes air in
through the suction hose, which is connected to the atmos-
phere. The narrow air ducts in the aeration propeller acceler-
ate the air and release it into the wastewater in fine bubbles.
The aerator is optimised for a particular submersion depth. At
greater depths the air insertion performance decreases. To
maintain the best possible air insertion performance it is im-
portant to adhere to the specified depth (please refer to the
section entitled Installation).
Circulation of wastewater
The OXYPERL circulates the wastewater in the small-scale
clarification plant and, as a result of this, the activated sludge
flakes are evenly distributed in the wastewater.
Due to a special wing design, the flake structure of the acti-
vated sludge is preserved well. This is an important condition
for achieving good clarification results.
Temperatures
The maximum temperature of the wastewater medium is 86°F
(30°C).
The submersible motorised aerator is frost-resistant down
to -4°F (-20°C) when stored in dry conditions. When installed,
however, it must not be allowed to freeze in the water.
Transport
NOTICE! The aerator must always be lifted by the handle and
never by the power supply cable! The aerator should only be
lowered into the medium using a rope or chain.
NOTICE! During transport and when setting the aerator down,
there must not be any mechanical load exerted on the aeration
propeller.

ELECTRICAL CONNECTION

NOTICE! Only qualified electricians may carry out electrical
works to the pump or the controls.
6
The relevant standards (such as EN standards), country-spe-
cific regulations (such as VDE in Germany), and the regulations
of the local power supply companies must be observed.
NOTICE! Never put the free lead end in water! If water gets into
the plug, this can cause malfunctions and damage.
Observe the operating voltage (see the type plate)!
The pump must only be connected up to electrical installations
with an earth wire in accordance with the regulations. It must
be protected with a 10 A fuse. No additional motor protection
is required, since the system has an integrated winding ther-
mostat. Inadmissible temperatures and operating times will
result in the thermostat switching the system off (please refer
to the section entitled Application). After the thermostat has
switched off the system, pull out the mains plug before reme-
dying the fault, since the aerator can switch itself on again au-
tomatically after cooling down if the power is still connected!
Replacing the connection cable
Only use original manufacturer' s parts. We recommend replac-
ing the seal and the screws each time the connection cable is
replaced.
NOTICE! When the connection cable is loosened, the motor
compartment is opened. Please ensure clean and dry condi-
tions when handling the aerator.
NOTICE! Do NOT use a power screwdriver. A size 2 PZ screwdri-
ver must be used to unscrew and tighten the connection cable.
Grease the sealing ring with Vaseline before inserting the car-
tridge. Then tighten the screws by hand (max 1 Nm).
INSTALLATION
The OXYPERL 3 develops a thrust of 20 N, and the OXYPERL 5 a
thrust of 38 N, due to the propeller. The aerator must therefore
be securely attached to prevent it from twisting or slipping.
During installation, particular care must be taken to ensure
that the four cooling surfaces under the control head are fully
submersed in the wastewater and that the prescribed installa-
tion dimensions of at least 200 mm are complied with! If there
is insufficient cooling, the motor temperature will rise and the
electric motor will switch off automatically.