When Unused for an Extended Period-2
If the water heater will not be used for a long period of time,
drain the water.
Please start to use it again in accordance with the "Initial Operation" procedure on P9.
Position of the cleanout plugs
* The shapes of the cleanout plugs are as pictured on the
* The cleanout plugs may not be clearly visible as they are
partially hidden behind the pipe insulation.
* Water may not drain out fully even though the cleanout
plugs are loosened, depending on the pipe arrangement.
In this case, fully remove the cleanout plugs. (Make sure
not to mislay them.)