SQ/SQE Data
CAPACITY (GPM)
HEAD (FEET)
6
0 Q [m‡/h]
0
[m]
H
65 %
100 %
Overtemperature Protection
Permanent-magnet motors emit very little heat because of
their high efficiency. The SQ and SQE motors are de-
signed with an internal circulation system to effectively
cool all the internal motor components.
As extra protection, the electronic unit also has a built-in
temperature sensor. When the temperature rises too high,
the motor will shut off; when the temperature drops, the
motor will automatically restart.
Reliability
The SQ and SQE motors have been designed to with-
stand the toughest of applications and provide reliability.
Some of those features are:
· Tungsten carbide/ceramic bearings
· Thrust bearings protecting against down-thrust
· Product lifetime equal or greater than conventional AC
motors and 4"pumps
Variable Speed
The SQE “Smart Motor” enables continuous variable
speed control within 65% - 100%(7000-10700 rpm) of
motor speed. The pump can be set to operate at any duty
point in the range between 65% and 100% of the pump's
performance curve. Your pump can then be adapted to
any specific requirement. The variable speed control
requires the CU300 control unit and the R100.
To help you decide on the proper speed, we have made
available a speed calculation program called “SQE –
Speed Calculation”. This program is available as an
option.
Installation
The SQ and SQE may be installed vertically or horizon-
tally.
Note: The pump must not fall below the horizontal level in
relation to the motor.
The following features ensure simple installation of the SQ
and SQE pumps:
· Built-in spring loaded check-valve
· Light weight makes it easy to install
· Fits in 3” or larger wells
For horizontal installation, a flow sleeve is recommended
in order to:
· Ensure sufficient flow
past the motor to provide
sufficient cooling
· Prevent the unit from
being buried in sand or
mud
Service
The modular design of the pump and motor makes it easy
to repair and service. The motor lead is also replaceable.
Features and Benefits
Variable Speed Range of Operation
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