10
OPM-115
REV A
L1, L2, & L3 POWER OUTPUT LUGS:
These lugs will handle wire sizes from #4 to 600 MCM and should be
torqued to 22 ft. lbs. Two lugs per generator output leg are provided for
your use. These lugs are isolated from the generator frame.
In the 120/240V 3-Ph configuration with the wild leg (208 line to
neutral) is wired to the L2 position. ALSO NOTE THAT BECAUSE OF
A CONFIGURATION PROBLEM, THE DEEP SEA CONTROLLER
WILL SHOW THE WILD LEG ON L1 BUT IT IS WIRED TO THE L2
POSITION.
WARNING: PERSONAL DANGER:
This unit is shipped with the neutral and ground unbonded. If the unit
is to be used as a stand-alone generator, you must bond neutral and
ground together either at this terminal block or somewhere in your
system.
GROUNDING
A grounding lug has been provided on the engine generator set and
the generator set must be properly grounded to good earth ground.
Generally an 8 foot copper rod driven into the earth will provide a
proper earth ground.
RECEPTACLE PANEL
A: 20 AMP CIRCUIT BREAKERS:
2-20 Amp circuit breakers provide circuit breaker protection for the 2-20
Amp GFCI 120V receptacles.
B: 20 AMP/120V GFCI RECEPTACLES:
These 2-20 Amp (NEMA 5-20) GFCI protected receptacles are
powered only when the selector switch is in the 240 or 208V position.
They are dead when the voltage selector switch is in the 480V position.
C: 50 AMP CIRCUIT BREAKERS:
2-50 Amp circuit breakers provide circuit breaker protection for the 2-50
Amp 120/240V twist lock receptacles.
A
C
B
D
E
A.C. ELECTRICAL CONNECTIONS
NOTICE: CLASS 1 WIRING METHODS ARE TO BE USED FOR ALL
FIELD WIRING CONNECTIONS TO TERMINALS OF A CLASS 2
CIRCUIT
All wiring must be completed in accordance with the National Electric
Code as well as any state and local codes.
You must pay particular attention to wire size requirement for
the amperage of service you are dealing with. The table below
provides you guidance on wire sizing based on both wire type and
amperage.
Wire amperages have been derated for 40° C ambient
temperatures operation.
WARNING:
Make sure the generator is disconnected from the battery to prevent
accidental starting.
This AC terminal block is covered by a lockable access cover. Access
for routing the wires into the terminal block is provided via a small
access door just to the left of the main control panel door. You will also
find your convenience receptacles located behind this small door. All
receptacles located here have their own circuit breaker for protection.
NEUTRAL LUGS:
These lugs are isolated from ground and provided for you to connect
your neutral wire from the transfer switch to the generator.
The 1200 Amp terminal block lugs on the 300-350kW will handle wire
sizes #3/0 to 600 MCM and should be torqued to 28 ft. lbs.
The 1000 Amp terminal block lugs on the 250kW will handle wire sizes
#3/0 to 500 MCM and should be torqued to 28 ft. lbs. (Rated for 900
Amp for AL)
GROUND LUG:
These ground lugs are bonded to ground and are provided for you
to connect your ground wire from the transfer switch to. The lugs will
accommodate #6 AWG to 300 MCM and should be torqued to 22 ft. lbs.
Two lugs are provided for your use.
Содержание DX100F4
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