Noritz EZTR40 - Draining and Restarting

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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 unit cools down before draining the water.
The appliance will remain hot after it is turned off.
High Temperature
CAUTION
1. Close the gas valve.
2. <Not using the remote controller>
Fully open one of the hot water xtures.
<Using the remote controller>
Turn off the power button.
3. <Not using the remote controller>
Turn off the power supply after 2 minutes or more pass from operation of 2.
<Using the remote controller>
Turn off the power supply.
4. Close the water supply valve.
5. Fully open all hot water xtures.
6. 1) Turn the drain plug (1), (2) to the left to open, and then remove.
2) Turn the drain plug (3) to the left to open (Not necessary to remove).
3) Wait approximately 30 seconds.
4) Turn the drain plug (4) to the left to open (Not necessary to remove).
7. Check that the water is completely drained, close all the drain plugs and the hot water
xtures after 10 minutes or more pass from operation of 6.
Drain water into a bucket to prevent water damage.
Do not touch with wet hands.
Fixture
Fixture
Do not touch with wet hands.
Drain plug (1)
Drain plug (4)
Drain plug (2)
Each drain plug might not be visible if
insulation is installed around the piping.
Drain Plugs
Drain plug (3)
SBB809KT_016_032_E_J.indd 19 2014/08/01 16:30:23