12
Initial Operation
Chapter 3. – Unit Operation
Initial Operation
• Before the first use of your water heater, make the following preparations.
Gas Supply
Full port
gas valve
Pressure Relief
Valve
Recirculation water line
Hot water line
Cold water line
1. Open the water pipe valve.
2. Open a hot water fixture/faucet to confirm that
water is available, and then close the fixture/faucet
again.
3. Open the gas supply valve.
4. Turn on the power on the front panel.
Do not touch with wet hands.