4
Operating Instructions
Installation
(Continued)
electrical Installation
All
wiring
and electrical connections
must be performed by
a qualified electrician
familiar with industrial motor controls.
Installations must be in accordance with
local and national codes.
Disconnect, tag and lock out
power source, then release
all pressure from the system
before attempting to install, service,
relocate or perform any maintenance.
Overheating, short
circuiting and fire
damage will result from inadequate
wiring.
GROUnDInG
This product must be grounded . If the
unit comes with a factory installed
cord, plug the cord into a properly
sized, grounded outlet . For units that
do not have a factory installed cord,
install permanent wiring from the
electrical source to the pressure switch
with a ground conductor connected to
the grounding screw on the pressure
switch . A properly sized cord with a
ground conductor and plug may also be
installed by the user .
Improperly grounded motors
are shock hazards. Make sure
all the equipment is properly
grounded.
WIRInG
Local electrical wiring codes differ from
area to area . Source wiring, plug and
protector must be rated for at least
the amperage and voltage indicated
on the motor nameplate, and meet
all electrical codes for this minimum .
Use a slow blow fuse type T or a circuit
breaker .
Damage to the
motor from
improper electrical voltage or
connection will void the warranty.
You will need the following for proper
installation:
1 . A 240 Volt double pole circuit
breaker .
2 . A voltage meter .
Confirm proper voltage - must be
performed by a qualified electrician .
L1
L2
240V
Ground
Pressure
Switch
Line
M
Motor
Figure 2
Figure 3
Minimum wire sizes
(most meet all codes)
Up to 75 feet long
12AWG
Greater than 75 feet
10AWG
Figure 4
Figure 5
Line
Line
Ground
230 / 240
Volts
Figure 6
Line
Line
Ground
120 Volts
Summary of Contents for VT631402
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