Xylem IM014 Model SST-C and Model SST-F - Manual

I. Important:
A. Inspect unit for damage. Report damage to carrier
immediately.
B. Electrical supply must be a separate branch circuit with fuses
or circuit breakers, wire sizes, etc., per National and Local
electrical codes. Install an all-leg disconnect switch near
pump. Caution: Always disconnect electrical power when
handling pump or controls.
C. Motors must be wired for proper voltage (check 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.
D. Single-Phase: Thermal protection for single-phase units is
sometimes built-in (Check nameplate). If no built-in protec-
tion is provided, use a contactor with proper overload.
Fusing is permissible if properly fused.
E. Three-Phase: Provide three-leg protection with proper
size magnetic starter and thermal overloads.
F. Maximum Liquid Temperatures:
212ºF (100º C) with standard seal.
250ºF (120º C) with optional high-temperature seal.
G. Maximum allowable operating pressure: 175 PSI.
H. Maximum Number of Starts per Hour: 20, evenly distributed.
I. Regular Inspection and Maintenance will increase service
life. Base schedule on operating time.
II. Installation:
A. Close-coupled units may be installed inclined or vertical.
Caution: Do not install with motor below pump. Condensa-
tion will build up in motor.
B. Locate pump as near liquid source as possible (Below level
of liquid for automatic operation).
C. Protect from freezing or floods.
D. Allow adequate space for servicing and ventilation.
E. For close-coupled pumps, the foundation must be flat and
substantial to eliminate strain when tightening bolts. Use
rubber mounts to minimize noise and vibration. Tighten
motor hold-down bolts before connecting piping to pump.
F. For frame-mounted pumps, permanent and solid foundation
is required for smooth operation. Bedplate must be grouted
to a foundation with solid footing.
G. Place unit in position on wedges located at four points
(Two below approximate center of driver and two below
approximate center of pump). Adjust wedges to level
unit, bringing coupling halves into reasonable alignment.
Level or plumb suction and discharge flanges.
H. Make sure bedplate is not distorted and final coupling
alignment can be made within the limits of movement of
motor and by shimming if necessary.
I. Tighten foundation bolts finger tight and build dam around
foundation. Pour grout under bedplate making sure the
areas under pump and motor feet are filled solid. Allow
grout to harden 48 hours before further tightening
foundation bolts.
J. All piping must be supported independently of the pump,
and must “line-up” naturally. Never draw piping into place
by forcing the pump suction and discharge connections!
K. Angular alignment of the flanges can best be accomplished
using calipers at bolt locations (See illustration).
L. On frame-mounted units, tighten foundation, pump and
driver hold-down bolts before connecting piping to pump.
M.Avoid unnecessary fittings. Select sizes to keep friction
losses low.
N. After completing piping, rotate unit by hand to check for
binding. (Note: A screwdriver slot or flats are provided in end
of motor shaft.)
Installation, Operation and
Maintenance Instructions
G&L STAINLESS STEEL
Centrifugal Pump
Model SST-C and
Model SST-F
IM014R01