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A-6
INSTALLATION
RANGER 3 PHASE
A-6
120 V GFCI DUPLEX RECEPTACLES
A GFCI (Ground Fault Circuit Interrupter) electrical
receptacle is a device to protect against electric shock
should a piece of defective equipment connected to it
develop a ground fault. If this situation should occur,
the GFCI will trip, removing voltage from the output of
the receptacle. If a GFCI receptacle is tripped see the
MAINTENANCE section for detailed information on
testing and resetting it. A GFCI receptacle should be
properly tested at least once every month.
The 120V auxiliary power receptacles should only be
used with three wire grounded type plugs or approved
double insulated tools with two wire plugs.
The current rating of any plug used with the system
must be at least equal to the current load through the
associated receptacle.
480 Volt 3 Phase Receptacle with Ground
The 480 volt receptacle can supply 12.6 amps of 3
phase power, or up to 15 amps of single phase
power. A NEMA plug L16-20P is required to use this
receptacle. The ground (GND) connection is connect-
ed to the machine frame, it is NOT the neutral of the
three phase connection, and should under no circum-
stances be connected to the neutral of any 3 phase
load. Do not connect 480V 3 phase to single phase
premises wiring.
If 480 volt single phase load is to be run, the X lead
must be one of the leads in the circuit in order for the
automatic idle to function. Using a NEMA plug L16-
20P, connect either X and Y or X and Z to the recep-
tacle, as well as the machine ground.
All auxiliary power is protected by circuit breakers with
the following values:
The 120V has 20 amp circuit breakers for each
duplex receptacle. The 240V has 50 amp circuit
breakers for each hot lead going the 240V receptacle.
The 480V 3 phase circuit breakers / switch has a 3
phase, 15 amp circuit breaker.
Ground Wire
Periodically check the ground wire at plugs, power
cords and auxiliary loads to ensure that the grounding
circuit is intact and connected.
MOTOR STARTING
Most 1.5 hp AC single phase motors can be started if
there is no load on the motor or other load connected
to the machine, since the full load current rating of a
1.5 hp motor is approximately 20 amperes (10
amperes for 240 volt motors). The motor may be run
at full load when plugged into only one side of the
duplex receptacle. Larger motors through 2 hp can be
run provided the receptacle rating as previously stated
is not exceeded. This may necessitate 240V operation
only.
The 480 volt 3 phase output of the RANGER 3
PHASE is capable of running most 480VAC 3 phase
motors up to 10HP. A 10HP motor must be started
with no load on the motor and no other load connect-
ed to the machine, since the full load current of a
10HP 480VAC 3 phase motor is approximately 12.5
amps. Refer to the reconnect phase output to any
load, the ground at the 3 phase receptacle is NOT the
neutral of 3 phase connection, and should under no
circumstance be connected to the neutral of any 3
phase load.
GND
120 V
120 V*
240 V
*Current Sensing for Automatic Idle.
(Receptacle viewed from front of Machine)
GND
480 V
Y
(FOR ALL SINGLE AND
X
Z
THREE PHASE LOADS)
RANGER 3 PHASE Extension Cord Length Recommendations
(Use the shortest length extension cord possible sized per the following table.)
Maximum Allowable Cord Length in ft. (m) for Conductor Size
Conductor size is based on maximum 2.0% voltage drop.
14 AWG 12 AWG 10 AWG 8 AWG 6 AWG 4 AWG
Current
(Amps)
15
20
15
20
40
Voltage
Volts
120
120
240
240
240
Load
(Watts)
1800
2400
3600
4800
9500
30
60
(9)
(18)
40
30
75
60
(12)
(9)
(23)
(18)
75
50
150
100
50
(23)
(15)
(46)
(30)
(15)
125
88
225
175
90
(38)
(27)
(69)
(53)
(27)
175
138
350
275
150
300
225
600
450
225
(91)
(69)
(183)
(137)
(69)
(53)
(42)
(107)
(84)
(46)