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12
Installation (Continued)
Do not use the power cable
to lift pump.
OVERLOAD PROTECTION
Single Phase - The type of
in-winding overload protector
used is referred to as an inherent
overheating protector and
operates on the combined effect
of temperature and current. This
means that the overload protector
will trip out and shut the pump off
if the windings become too hot, or
the load current passing through
them becomes too high. It will then
automatically reset and start the
pump up after the motor cools to a
safe temperature. In the event of an
overload, the source of this condition
should be determined and rectifi ed
immediately.
Do not cycle or run pump
if an overload condition
occurs!
If current through the temperature
sensor exceeds the values listed,
an intermediate control circuit relay
must be used to reduce the current
or the sensor will not work properly.
Wire Size
Consult a qualifi ed electrician for
proper wire size. See table on page
4 for electrical information.
Pre-operation
CHECK VOLTAGE AND PHASE
Before operating pump, check to
make sure that the voltage and
phase information stamped on the
pump’s identifi cation plate matches
the available power.
CHECK PUMP ROTATION
(3 Phase Only)
Before putting pump into service
for the fi rst time, the motor rotation
must be checked. Improper motor
rotation can result in poor pump
performance and can damage the
motor and/or pump. To check the
rotation, suspend the pump freely,
momentarily apply power and
observe the “kickback.” “Kickback”
should always be in a counter-
clockwise direction as viewed from
the top of the pump (“kickback” is
always opposite to impeller rotation).
“Rotation” and “kickback” direction is
noted on the pump motor housing.
INCORRECT ROTATION
In the unlikely event that the rotation
is incorrect for a single-phase pump,
contact a Barnes Pumps Service
Center.
IDENTIFICATION PLATE
Note the numbers on the pump’s
identifi cation plate and record at
the end of the manual for future
reference.
PUMP-DOWN TEST
After the pump has been properly
wired and lowered into the basin,
sump, or lift station, it is advisable to
check the system by fi lling with liquid
and allowing the pump to operate
through it’s pumping cycle. The
time needed to empty the system,
or pump-down time, should be
recorded.
Electrical power to the pump
motor must be disconnected
and locked out to prevent
any dangerous electrical hazards or
personnel danger before any service
work is done to the pump.
Operating pump builds up
heat and pressure; allow
time for pump to cool to
room temperature before handling or
servicing.
Always wear eye protection
when working on pumps.
Temperature Sensor Electrical
Ratings
Volts Continuous
Amperes
Inrush
Amperes
110 - 120 3.00 30.0
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