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NPC Betta FLO BMLS-M Installation, Operation & Maintenance Instructions Manual

NPC Betta FLO BMLS-M Installation, Operation & Maintenance Instructions Manual

Self-priming centrifugal pumps

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SELF-PRIMING CENTRIFUGAL PUMPS
INSTALLATION, OPERATION & MAINTENANCE
GENERAL INSTRUCTIONS
Examine unit for any visible shipping damage. Immediately
report any damage to the carrier. Check all accessory parts
carefully against the invoice. All pipe used should be clean
and free from rust and scale. Use pipe joint compound on
all joints to avoid leaks.
INSTALLATION & OPERATION
Pump Location: Locate the pump as near the well or water
source as possible, using short, direct suction pipe. Keep
the static suction lift (vertical distance between the center
line of the pump and water level) to a minimum. Mount the
pump on a solid, level foundation, which provides a rigid
BMLS-M & BMLS-H
INSTRUCTIONS
HP
Phase
Medium Head
3
1
BMLS 300 M
3
3
BMLS 300 M3
5
1
BMLS 500 M
5
3
BMLS 500 M3
High Head
BMLS 300 H
BMLS 300 H3
BMLS 500 H
BMLS 500 H3
and vibration free support. It should be located where the
unit is readily accessible for service and maintenance. The
pump should be protected against flooding and excessive
moisture.
Piping: Both suction and discharge piping should be
independently supported at a point near the pump to avoid
strains being placed on the pump. Start all piping at pump to
avoid strains left by a gap at last connection. It is advisable
to increase the size of both suction and discharge piping at
the pump if any appreciable run of pipe is required. Never
use a smaller suction pipe than the suction connection on
the pump.
Page 1

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Summary of Contents for NPC Betta FLO BMLS-M

  • Page 1 SELF-PRIMING CENTRIFUGAL PUMPS BMLS-M & BMLS-H INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS Phase Medium Head High Head BMLS 300 M BMLS 300 H BMLS 300 M3 BMLS 300 H3 BMLS 500 M BMLS 500 H BMLS 500 M3 BMLS 500 H3 GENERAL INSTRUCTIONS Examine unit for any visible shipping damage.
  • Page 2 Suction Piping: The suction pipe must be kept free from inside conduit box cover. Be sure voltage connections agree with wiring diagram on motor nameplate. air leaks. The suction pipe must have a gradual slope upward to the pump. Avoid any fittings which may cause an air trap. Three Phase: Three phase motors require magnetic starters, A check valve is a built-in feature and no foot valve is and can run in either direction, depending on how they are...
  • Page 3: Pump Service

    WIRING DIAGRAM: 10-32 GROUND SCREW 4. Pry loose the ceramic seal by applying a screwdriver (BINDING HEAD) between the seat and cavity in the adapter. Clean the cavity from which seal was removed and the motor shaft. (Figure 2) INSTALLATION OF NEW SEAL: 1.
  • Page 4 REMEDY TROUBLE AND CAUSE 1. Make sure pump casing and suction line are full of Failure to Pump water. See Priming Instructions. 1. Pump not properly primed. 2. Check voltage at motor terminals and at meter when pump is operating. If low, refer to wiring instructions, 2.
  • Page 5 Page 5...
  • Page 6 Page 6...

This manual is also suitable for:

Betta flo bmls-hBetta flo bmls 300 mBetta flo bmls 300 hBetta flo bmls 300 m3Betta flo bmls 300 h3Betta flo bmls 500 m ... Show all