Initial Operation - Noritz eco TOUGH NRC661 Owner's Manual

Initial Operation
Before the first use of your water heater, make the following preparations.
Please check the following when you use the water heater for the first time after the installation.
Usually, the hot water is supplied by opening the hot water if gas, water, and electric power are
supplied (if there is a remote controller, it should be turned ON).
1 through 4
Follow steps
Open the water supply valve.
1
CLOSED
Open a hot water fixture to confirm that
2
water is available, and then close the
fixture again.
Open the gas supply valve.
3
Plug into power.
4
Do not touch with wet hands.
.
OPEN
Hot water fixture
(Ex. NRC661-DV)
11