Noritz N-069M-DV-CA Guide De L'utilisateur Et Manuel D'installation page 94

Preventing Damage from Freezing
If the water heater will not be used for a long period of time,
Drain the water.
Drain the water as follows:
Caution
Drain water into a bucket to prevent water damage.
1. Close the gas valve.
2. (1) Turn the power on.
(2) Turn and leave open the hot water fixture for more than 1 minute and close.
*If multiple units are being used, drain one minute for each unit.
* An 11 Error Code may appear on the remote control.
This is not a malfunction of the unit. Do not turn Power ON/OFF Button OFF.
3. Close the water supply valve, disconnect
the electrical power supplied to the unit.
Do not touch with wet hands.
4. Fully open all hot water fixtures.
5. Open all drain plugs and drain the water out
of the unit.
6. When the water is completely drained, replace all drain
plugs and close the hot water fixtures.
1. Check that all drain plugs are inserted.
2. Check that all hot water fixtures are closed.
3. Follow the procedure on p.11 "Initial operation", steps 1 through 4.
18
To avoid burns, wait until the equipment cools down
before draining the water. The appliance will remain hot
after it is turned off.
High Temperature
Fixture
Turning the Unit Back On
-2
Fixture
Drain Plugs