Initial Operation - Bosch YS2180RA Owner's Manual

Initial Operation

Before the first use of your water heater, make the following preparations.
Follow steps
1
Open the water supply valve.
CLOSED
2
Open a hot water fixture to confirm that
water is available, and then close the
fixture again.
3
Open the gas supply valve.
4
Turn on the power.
12
Operating Instructions
1 through 4
Hot water fixture
.
OPEN