Noritz NR71-SV Owner's Manual

Also see for NR66-OD: Instructional manual Service manual Owner's guide Installation manual Installation manual

Noritz NR71-SV Owner's Manual Manual pdf 19 page image

191. Close the gas valve.2. Fully open one of the hot water fixtures.Turn off ther power button.3. Turn off the power supply after 20 seconds or more pass from operation of 2.Turn off the power supply.4. Close the water supply valve.5. Fully open all hot water fixtures.6. Turn the drain plug to the left to open, and then remove.7. Check that the water is completely drained, close all thedrain plugs and the hot water fixtures after 10 minutesor more pass from operation of 6.If the water heater will not be used for a long period of time,Drain the water.Drain the water as follows:To avoid burns, wait until the equipment cools down before draining the water.The appliance will remain hot after it is turned off.High TemperatureDrain water into a bucket to prevent water damage.Do not touch with wet hands.FixtureFixtureTurning the Unit Back On1. Check that all drain plugs are inserted.2. Check that all hot water fixtures are closed.3. Follow the procedure on p.10 “Initial operation”, steps 1 through 4.CAUTIONDo not touch with wet hands.Drain PlugsEach drain plug mignt not be visibleif insulation is installed around thepiping.