Installation (continued) – Flint & Walling Pressure Booster Pumps Instructions User Manual
Page 7
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Copyright © 2014 FLINT & WALLING, INC. • 95 North Oak St. • Kendallville, IN 46755
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Installation (Continued)
Proper rotation of
pump impeller is
critical on three
phase motors. See Motor Rotation
under Operation section and Figure 12.
WIRING
1. Install, ground, wire and maintain
this pump in accordance with
your local electrical code and
all other codes and ordinances
that apply. Consult your local
building inspector for local code
information.
2. Ground the pump permanently
using a wire of size and type
specified by local or United States
National Electrical Code. Do not
ground to a gas supply line.
3. Connect ground wire first.
Connect to ground first, then to
green grounding terminal provided
on the motor frame, identified as
GRD. Ground connection MUST
be made to this terminal. Do not
connect motor to electrical power
supply until unit is permanently
grounded; otherwise serious or
fatal electrical shock hazard may
be caused.
4. Connect the other end of the
ground wire to a properly
grounded service panel or to a
control panel ground bar if it is
connected to the power supply
ground.
IMPORTANT: Check local and/or
United States National Electric Codes
for proper grounding information.
Make certain that
the power supply
conforms to the
electrical specifications of the motor
supplied. See Motor Data Charts.
Ground motor
before connecting
to electrical power
supply.
Failure to
ground motor can
cause severe or
fatal electrical shock
hazard.
Do not ground
to a gas supply line.
Pump used to boost incoming pressure from a wall hydrant (manual operation).
Figure 8
IL0424
Wall Hydrant
Hose Adapter
Pressure Gauge
Pressure
Relief Valve
Hose Adapter
High Pressure Reinforced Hose
Spray
Nozzle
Service Tee
Outlet
Inlet
High Pressure Reinforced Hose
Hazardous
voltage. Can
shock, burn or
cause death.
Ground pump
before connecting
to power supply.
!
NOTE: Single voltage (230V) motor, and can not
be connected to 115V.
Figure 10 - Wiring Diagram for Single Phase
3 HP Motors
L1
L2
A
B
IL0181
230 Volts
Single Phase
YELLOW
GRAY
LINE
L1
L2
A
B
L1
L2
A
B
IL0180
YELLOW
115 VOLT
SINGLE PHASE
LINE
230 VOLT
SINGLE PHASE
LINE
WHITE
GRAY
RED
TAN
YELLOW
WHITE
GRAY
RED
TAN
NOTE: Dual voltage motors, change the red and
gray wire to the voltage required.
Figure 9 - Wiring Diagram for Single Phase 1/3 - 2 HP
Motors