Lincoln Electric IM874 VANTAGE 300 - Manual (Page 15)

AUXILIARY POWER RECEPTACLES
Start the engine and set the “IDLER” control switch to
the “High Idle” mode. Voltage is now correct at the
receptacles for auxiliary power. This must be done
before a tripped GFCI receptacle can be reset prop-
erly. See the MAINTENANCE section for more
detailed information on testing and resetting the GFCI
receptacle.
The auxiliary power of the VANTAGE 300 consists of
two 20 Amp-120 VAC (5-20R) duplex receptacles
with GFCI protection, one 50 Amp 120/240 VAC (14-
50R) receptacle and one 50 Amp 240VAC Three-
Phase (15-50R) receptacle.
The auxiliary power capacity is 11,500 watts Peak,
10,000 Watts Continuous of 60 Hz, single phase
power. The auxiliary power capacity rating in watts is
equivalent to volt-amperes at unity power factor. The
max permissible current of the 240 VAC output is
42amps.
The 240 VAC output can be split to provide two sepa-
rate 120 VAC outputs with a max permissible current
of 42 Amps per output to two separate 120 VAC
branch circuits (these circuits cannot be paralleled).
Output voltage is within ± 10% at all loads up to rated
capacity.
The Three-Phases auxiliary power capacity is 12,500
watts peak, 11,000 watts continuous. The maximum
current is 27 amps.
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 con-
nected 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 recepta-
cle 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 120 V 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 capacity of the
associated receptacle.
A-7 INSTALLATION
VANTAGE 300
A-7
NOTE: The 240 V receptacle has two 120 V circuits,
but are of opposite polarities and cannot be paralleled.
All auxiliary power is protected by circuit breakers.
The 120V has 20 Amp circuit breakers for each
duplex receptacle. The 120/240V Single Phase has a
50 Amp 2-pole Circuit Breaker that disconnects both
hot leads simultaneously. The 240V Three Phase has
a 30 Amp 3-pole Circuit Breaker that disconnects all
Three Phases simultaneously.
STANDBY POWER CONNECTIONS
The VANTAGE 300 is suitable for temporary, standby
or emergency power using the engine manufacturerʼs
recommended maintenance schedule.
The VANTAGE 300 can be permanently installed as a
standby power unit for 240 VAC, 3 wire, single phase,
40 amp service. Connections must be made by a
licensed electrician who can determine how the
120/240 VAC power can be adapted to the particular
installation and comply with all applicable electrical
codes.
• Install the double-pole, double-throw switch
between the power company meter and the premis-
es disconnect. Switch rating must be the same or
greater than the customerʼs premises disconnect
and service over current protection.
• Take necessary steps to assure load is limited to
the capacity of the generator by installing a 50 amp,
240 VAC double pole circuit breaker. Maximum
rated load for each leg of the 240 VAC auxiliary is
50 amperes. Loading above the rated output will
reduce output voltage below the allowable - 10% of
rated voltage which may damage appliances or
other motor-driven equipment and may result in
overheating of the engine and/or alternator wind-
ings.
• Install a 50 amp, 120/240 VAC plug (NEMA Type
14-50) to the double-pole circuit breaker using No.
6, 4 conductor cable of the desired length. (The 50
amp, 120/240 VAC plug is available in the optional
K802R plug kit or as part number T12153-9.)
• Plug this cable into the 50 Amp, 120/240 Volt recep-
tacle on the case front.