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A-7
2. Take necessary steps to assure load is limited to
the capacity of the AIR VANTAGE® 500 CUMMINS
by installing a 50 amp, 240 VAC double pole circuit
breaker. Maximum rated load for each leg of the
240 VAC auxiliary is 50 amps. 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 AIR VANTAGE®
500 CUMMINS engine.
Figure A.1 Connection of the AIR VANTAGE® 500 to Premises Wiring
POWER
240 Volt
60 Hz.
COMPANY
3-Wire
Service
METER
DOUBLE POLE DOUBLE THROW
SWITCH RATING TO BE THE SAME
AS OR GREATER THAN PREMISES
SERVICE OVERCURRENT
PROTECTION.
50 AMP, 120/240
VOLT PLUG
NEMA TYPE 14-50
50 AMP, 120/240 VOLT
RECEPTACLE
INSTALLATION
240 VOLT
120 VOLT
120 VOLT
50AMP
240 VOLT
DOUBLE
POLE
CIRCUIT
240 VOLT
BREAKER
GND
AIR VANTAGE® 500 CUMMINS
3. 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.)
4. Plug this cable into the 50 Amp 120/240 Volt recep-
tacle on the AIR VANTAGE® 500 CUMMINS case
front.
GROUNDED CONDUCTOR
GROUND
N
NOTE: No. 6 COPPER CONDUCTOR CABLE SEE
NATIONAL ELECTRICAL CODE FOR ALTERNATE WIRE
SIZE RECOMMENDATIONS.
A-7
NEUTRAL
BUS
N
LOAD
PREMISES
DISCONNECT AND
SERVICE
OVERCURRENT
PROTECTION
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