Owner’s Guide
10
Initial Operation
4. Turn on the power.
Before start using for the first time, do the
following:
1. Open the water supply valve.
2. Open a hot water fixture to confirm that water
is available, and then close the fixture again.
Hot water
fixture
3. Open the gas supply valve.
SBB816U取説GQ-C2434WS DU#B.indd 10 2019/11/12 11:53:46