
Operation
24
MGG155/210 Operating Manual
35319 C
LP Liquid Start Up
4.
Open the LP liquid tank supply valve and the natural gas manual fuel valve (see
for location). If
any leaks are detected, correct them immediately.
5.
Press the START button on the digital controller.
6.
When the natural gas pressure reaches 10-20 psi (69-138 kPa), move the Fuel Select switch to the NG
position. (You may have to toggle the switch between NG and LP until the unit runs smoothly on NG.)
7.
Move the switch to AUTO.
Note:
It will not be necessary to purge the fuel lines after shutting the unit down for maintenance or service unless
the fuel lines have been disconnected.
When the unit reaches operation speed, verify the voltage setting is correct and adjust if necessary. If the engine
fails to start, see
.
AUTO (REMOTE) STARTING THE UNIT
Connect the remote start contact to the remote start terminals on the terminal block (#12 and #34). Follow all NEC,
state and local regulations.
Note:
The bonding plate may need to be removed. See
for bonding plate location.
A ground connection is located next to the lugs. The generator neutral is bonded to ground when it is shipped from
the factory. The bonding plate may need to be removed if the generator is used as a standby power source.
INSTALLATION SHOULD BE IN COMPLIANCE WITH THE NATIONAL ELECTRICAL CODE (NEC), STATE AND
LOCAL REGULATIONS.
Figure 11 - Terminal Block
PARALLEL SETUP AND OPERATION
The unit can be operated in parallel with other parallel-capable units. To ensure the units to be used in parallel are
appropriate for the load, contact Generac Mobile Products Technical Support at 1-800-926-9768.
Before running units in parallel, make sure each unit is operating properly. Set up auto (remote) starting on each unit.
Paralleling Two Units
Using the provided CAN parallel cable, connect one end of the cable to the terminal block of the first unit and the
other end to the terminal block of the second unit. Match each wire with the corresponding color wire connected to
the terminal block; yellow to yellow, green to green, black (shield) to black. Connect the provided 120 ohm resistor
02022
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