Barmesa Pumps 2BSE51SS Installation, Operation & Maintenance Manual - Page 5
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IMPORTANT! - The overload 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 corrected
immediately.
WARNING
DO NOT ALLOW THE
PUMP TO CYCLE OR RUN 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.
Temperature sensor
electrical ratings
Continuous
barmesa.com
Volts
amps
110 - 120
3
220 - 240
1.5
440 - 480
0.75
600
0.6
Wire Size:
If longer power cable is required
consult a qualified electrician for
proper wire size.
4Pre-Operation
1.
Check Voltage and Phase -
Compare the voltage and phase
information stamped on the
pump name plate.
2.
Check Pump Rotation - Improper
motor rotation can result in poor
pump performance and can
damage the motor and/or pump.
Check rotation on three phase
units by momentarily applying
power and observe the "kickback".
Kickback should always be in a
counter-clockwise
viewed from motor end or opposite
to impeller rotation. Impeller rotation
is counter-clockwise as viewed from
bottom of pump.
3.
Name
information from the pump name
plate to drawing in front of
manual for future reference.
Starting
amps
4.
Insulation Test - An insulation
30
(megger)
15
performed on the motor. Before
7.5
the pump is put into service. The
6
resistance values (ohms) as well as
the voltage (volts) and current
(amps) should be recorded.
5.
Pump-Down Test - Be sure pump
has been properly wired, lowered
into the basin, sump or lift station,
check the system by filling with
liquid and allowing the pump to
operate through its pumping
cycle. The time needed to empty
the system, or pump-down time
along with the volume of water,
should be recorded.
4Maintenance
No lubrication or maintenance is
required.
checks when pump is removed from
operation
performance deteriorates:
direction
Plate
-
Record
the
test
should
be
Perform
the
following
or
when
pump
Installation & Service
a) Inspect motor chamber for oil level
and contamination.
b) Inspect impeller and body for
excessive build-up or clogging.
c) Inspect motor, bearings and shaft
seal for wear or leakage.
4Servicing
NOTE: Item numbers in ( ) refer to
Figure 5.
Cooling Oil - Anytime the pump is
as
removed from operation, the cooling
oil in the motor housing should be
checked visually for oil level and
contamination. To check oil, set unit
upright. Remove pipe plug (34) from
housing (3). With a flashlight, visually
inspect the oil in the housing (3) to
make sure it is clean and clear, light
amber in color and free from
suspended particles. Milky white oil
indicates the presence of water. Oil
level should be just above the motor
when pump is in vertical position.
Oil Testing
Drain oil into a clean, dry
Ÿ
container by placing pump on
it's side, remove pipe plug (34),
from housing (3).
Ÿ
Check oil for contamination
using an oil tester with a range
to 30 kilovolts breakdown.
If oil is found to be clean and
Ÿ
uncontaminated
above 15 kV breakdown), refill
the housing.
Ÿ
If oil is found to be dirty or
contaminated
below 15 kV breakdown), the
pump
must
inspected for leaks at the shaft
seal, cable assembly, square ring
and pipe plug, before refilling
with oil. To locate the leak,
perform a pressure test.
After leak is repaired, dispose of old
oil properly, and refill with new oil.
(measuring
(or
measures
be
carefully
04