Parallel Operation
Two FIRMAN model SPS1000i generators can be operated in parallel to increase the
total available electrical power to 1600 watts.
Detailed instructions for parallel kit installation and operation of the connected
generators are provided in the parallel kit Owner's Manual and Operating Instructions.
Please note the following important requirements:
1. The two generators may be stacked one on top of the other by aligning the lower pads
and upper pockets at each corner of the generators.
2. Disconnect or turn off all electrical loads from both generators.
3. The ECON switch must be in the same position on both generators.
4. Before starting the engines, connect the AC power outlet cables, the control cables and
the ground cables to both generators. Follow the instructions supplied with the parallel
kit.
5. Do not disconnect any cables after the engines have been started.
6. Start both engines and observe the green output indicator light on both generator panels.
7. Connect and turn on the electrical devices.
8. Follow the instructions on the previous page for turning off the generators.
Overload Operation
The overload indicator light will turn on when the load exceeds 950W.If the load exceeds
1000w,the light will blink and cut power to the receptacles in 3 minutes. To recover the
power, you must shut off the engine, wait 5 seconds, and restart the generator.
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