Kohler 12RESM1 - Manual (Page 22)

TP-6516 4/09 22 Section 1 Installation
9. Connect and turn on the new fuel supply.
10. Check that the generator set master switch is in the
OFF position.
11. Reconnect the generator set engine starting
battery leads, negative (--) lead last.
12. Reconnect power to the battery charger.
13. Start the generator set by moving the generator set
master switch to the RUN position.
14. Check for leaks using a gas leak detector.
15. Move the generator set master switch to the OFF/
RESET position to shut down the generator set.
To convert from LP vapor to natural gas, remove the fuel
orifice and connect the DSAI leads together.
1.8 Electrical Connections
Hazardous voltage.
Backfeed to the utility system can
cause property damage, severe
injury, or death.
If the generator set is used for
standby power, install an automatic
transfer switch to prevent inadvertent
interconnection
of standby and
normal sources of supply.
WARNING
Grounding electrical equipment. Hazardous voltage can
cause severe injury or death. Electrocution is possible
whenever electricity is present. Ensure you comply with all
applicable codes and standards.
Electrically ground the
generator set, transfer switch, and related equipment and
electrical circuits. Turn off the main circuit breakers of all
power sources before servicing the equipment. Never contact
electrical leads or appliances when standing in water or on wet
ground because these conditions increase the risk of
electrocution.
Electrical backfeed to the utility. Hazardous backfeed
voltage can cause severe injury or death. Install a transfer
switch in standby power installations to prevent the connection
of standby and other sources of power. Electrical backfeed
into a utility electrical system can cause severe injury or death
to utility personnel working on power lines.
NOTICE
Canadian installations only. For standby service connect
the output of the generator set to a suitably rated transfer
switch in accordance with Canadian Electrical Code, Part 1.
Have an authorized distributor/dealer or a licensed
electrician make the following electrical connections.
Verify that the electrical installation complies with the
National Electrical Code (NEC) and all applicable local
codes. Ground the generator set from the GRD terminal
inside
the controller compartment according to
applicable codes.
1.8.1 AC Connections
The generator set is equipped with a field-connection
terminal block located in the air inlet area near the
junction box. See Figure 1-19 and Figure 1-20. Also
see Section 2, Wiring Diagrams.
Refer to the transfer switch specifications and
Figure 1-20 for the acceptable cable sizes. Route AC
leads through flexible conduit. Ensure that the leads
and conduit do not interfere with the operation of the
generator set or obstruct the service areas.
The electrical installation must comply with the National
Electrical Code (NEC) and all applicable local codes.
Connection Procedure
See Figure 1-20. Leads have been factory-installed
from the junction box to the terminal block for easier field
wiring. Refer to the decal near the terminal block for
connections.
1. Connect the leads from the transfer switch
emergency source lugs to the L1 and L2
connections on the generator set terminal block.
2. Connect the neutral (L0) and ground (GRD) leads
from the ATS and the main panel to the
corresponding connection points on the terminal
block. See Section 1.8.3, Grounding.
3. The terminal block kit includes 120VAC
receptacles for the battery charger and optional
carburetor heater.
Connect utility power to the
terminal block as shown. Connect to a circuit that is
supplied by the generator set if utility power is lost.