Safety Instructions; Description And Specifications; Important; Installation - Goulds Pumps G&L Serie Instrucciones De Instalación, Funcionamiento Y Mantenimiento

SAFETY INSTRUCTIONS

TO AVOID SERIOUS OR FATAL PERSONAL INJURY
OR MAJOR PROPERTY DAMAGE, READ AND
FOLLOW ALL SAFETY INSTRUCTIONS IN MANUAL
AND ON PUMP.
THIS MANUAL IS INTENDED TO ASSIST IN THE
INSTALLATION AND OPERATION OF THIS UNIT
AND MUST BE KEPT WITH THE PUMP.
This is a SAFETY ALERT SYMBOL.
When you see this symbol on the pump
or in the manual, look for one of the
following signal words and be alert
to the potential for personal injury or
property damage.
Warns of hazards that WILL cause
DANGER
serious personal injury, death or major
property damage.
Warns of hazards that CAN cause
WARNING
serious personal injury, death or major
property damage.
Warns of hazards that CAN cause per-
CAUTION
sonal injury or property damage.
NOTICE: INDICATES SPECIAL INSTRUCTIONS
WHICH ARE VERY IMPORTANT AND
MUST BE FOLLOWED.
THOROUGHLY REVIEW ALL INSTRUCTIONS
AND WARNINGS PRIOR TO PERFORMING ANY
WORK ON THIS PUMP.
MAINTAIN ALL SAFETY DECALS.
UNIT NOT DESIGNED FOR USE
WARNING
WITH HAZARDOUS LIQUIDS OR
FLAMMABLE GASES. THESE
FLUIDS MAY BE PRESENT IN
CONTAINMENT AREAS.
Hazardous fluids
can cause fire,
burns or death.

DESCRIPTION and SPECIFICATIONS:

The Model LC is a close-coupled, end suction, two stage
centrifugal for general liquid transfer service, booster
applications, etc. Liquid-end construction is all AISI Type
304 stainless steel, stamped and welded. Impellers are
fully enclosed, non-trimable to intermediate diameters.
Casings are fitted with diffusers for efficiency and for
negligible radial shaft loading.
All units have NEMA 48Y and 56Y motors with square
flange mounting and threaded shaft extension.

1. IMPORTANT

1.1 Inspect unit for damage. Report any damage to car-
rier/dealer immediately.
1.2 Electrical supply must be a separate branch circuit
with fuses or circuit breakers, wire sizes, etc., in
compliance with National and Local electrical codes.
Install an all-leg disconnect switch near pump.
ALWAYS DISCONNECT ELECTRICAL
CAUTION
POWER WHEN HANDLING PUMP OR
CONTROLS.
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1.3 Motors must be wired for proper voltage. Motor wir-
ing diagram is on motor nameplate. Wire size must
limit maximum voltage drop to 10% of nameplate
voltage at motor terminals, or motor life and pump
performance will be lowered.
1.4 Always use horsepower-rated switches, contactor and
starters.
1.5 Motor protection:
1.5.1 Single-phase: Thermal protection for single-
phase units is sometimes built in (check name-
plate). If no built-in protection is provided, use
a contactor with a proper overload. Fusing is
permissible.
1.5.2 Three-phase: Provide three-leg protection with
properly sized magnetic starter and thermal
overloads.
1.6 Maximum Operating Limits:
Liquid Temperature: 0°F (110°C)
Working Pressure: 15 PSI
Starts per Hour: 0, evenly distributed.
1.7 Regular inspection and maintenance will increase
service life. Base schedule on operating time. Refer to
Section 8.

2. INSTALLATION

2.1 Locate pump as near liquid source as possible (below)
level of liquid for automatic operation.
2.2 Protect from freezing or flooding.
2.3 Allow adequate space for servicing and ventilation.
2.4 All piping must be supported independently of the
pump, and must "line-up" naturally.
NEVER DRAW PIPING INTO PLACE BY
CAUTION
FORCING THE PUMP SUCTION AND
DISCHARGE CONNECTIONS.
2.5 Avoid unnecessary fittings. Select sizes to keep
friction losses to a minimum.
2.6 Units may be installed horizontally, inclined or
vertically.
DO NOT INSTALL WITH MOTOR BE-
CAUTION
LOW PUMP . ANY LEAKAGE OR CON-
DENSATION WILL AFFECT THE MOTOR.
2.7 Foundation must be flat and substantial to eliminate
strain when tightening bolts. Use rubber mounts to
minimize noise and vibration.
2.8 Tighten motor hold-down bolts before connecting
piping to pump.

3. SUCTION PIPING

3.1 Low static suction lift and short, direct, suction pip-
ing is desired. Consult pump performance curve for
Net Positive Suction Head Required.
3.2 Suction pipe must be at least as large as the suction
connection of the pump. Smaller size will degrade
performance.
3