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Figure 4 - Total Circuit Isolation Method
t
Service Disconnec
*Ampere rating must be equal to or larger than main (normal) utility entrance
service.
**With this system take care to prevent overloading the alternator. During
utility power failure, turn OFF individually all load items to distribution panel.
Only certain items can be turned back on during alternator operation. Have
your electrician specify these items so you do not overload the alternator.
All wiring must conform to the United States National Electrical Code (NEC)
and all state and local codes. Consult a qualified licensed electrician.
The above illustration assumes the utility is supplying 120/240 volt single
phase electric service.
PREPARATION BEFORE USE
CAUTION: Prior to initially starting the genera-
tor, you must properly prepare it for use. Any
attempt to crank or start the engine before it
has been properly serviced with the recommend-
ed oil may result in an engine failure. Also,
engine coolant level must be checked and
replenished if necessary.
ENGINE LUBRICATION
Check engine crankcase oil level prior to use and add
oil to the proper level. See "Maintenance" section, page
15 for recommendations.
General Information
GR-210 Generator Set
ENGINE COOLANT
Check engine coolant level and add the recommended
coolant mixture as required. Refer to "Maintenance"
section, page 15.
FUEL
Fill the fuel tank with the correct recommended diesel
engine fuel (see "Maintenance" section, page 15). The
mounting base tank holds 60 gallons and the base tank
holds 214 gallons of fuel if so equipped.
NOTE: If the unit has been idle for a long period of time
or if fuel lines or fuel system components have been
removed and re-installed, the fuel system may require
bleeding to remove air from the system. See
"Maintenance" section for fuel system bleeding proce-
dures. Air in the fuel system causes hard starting and
rough engine operation. All fuel system lines must be
installed and must be tight. A loose line may show no
sign of leakage, but may draw air into the system.
CORD SETS - 120 VOLT GFCI DUPLEX
RECEPTACLE
CAUTION: Panel receptacles can supply only single-
phase AC output. Never connect any 3-phase electrical
load to a receptacle.
The generator is equipped with a 120 volt ground fault
circuit interrupter (GFCI) duplex receptacle (Figure 5)
on the generator receptacle panel. See "Ground Fault
Protection'" on Page 14. This outlet consists of a "pair"
of receptacles, protected against overload by a 15-amp,
push-to-reset type circuit breaker. Thus, you may use
the receptacle pair to power 120 volts, 60 Hz, AC elec-
trical loads requiring up to 15 AC amperes of total
current.
Figure 5 - 120 V GFCI Duplex Outlet
Generac
Power Systems, Inc.
®
7
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