Honda EU22i Manual De Explicaciones página 36

OPERATION
4. If two generators were connected for parallel operation, disconnect
the receptacle box for parallel operation after stopping the engines
if you do not wish to resume parallel operation.
If the generator will not be used for a long period of time, refer to
page 62 for information on
32
RECEPTACLE BOX FOR
PARALLEL OPERATION
(optional equipment)
Draining the Fuel Tank and Carburetor
.