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Pre-Installation
See Table I
motors.
NOTICE Warranty on three phase submersible
in all three motor lines is used.
Surge Arresters in Control Box
Grounding: When the box has a surge arrester, the
all the way to the water strata for the arrester to be
rod provides little or no protection for the motor.
NOTICE
direct lightning strikes.
incoming power line to control box or pressure
switch, as close to pump motor as possible. See
for arresters.
Surge
Arrester
Figure 1 – Typical 3 Wire, Single Phase, 230 Volt
Surge Arrester Wiring Diagram
Surge
Arrester
L1
T1
Figure 2 - Three Phase Surge Arrester (650 Volt
Maximum) Wiring Diagram
NOTICE
NOTICE
control box do not comply with local electrical
code, contact power company for correct
wiring information.
Recommended Adjustable
Overload Relays
Allen Bradley:
Fanal Types:
Franklin Electric:
Subtrol-Plus.
Lovato:
Siemens Types:
Sprecher and Schuh Types:
Control
Box
L1 L2 R Y B
Line
Westinghouse Types:
Other relay types from these manufacturers or
from other manufacturers may or may not provide
acceptable protection. Contact Pentair Customer
Service for more information.
L2
L3
Some approved overload types may not be
available for all of the listed motor ratings. When
relays are used with current transformers, divide
the specified amps by the transformer ratio to
T3
T2
obtain the relay setting.
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