Isolate From The Mains; Turn Off For A Long Period - State Water Heaters SUF 120-300 Installation, User And Service Manual

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Isolate from the mains

The water heater may only be isolated from mains power in the correct way. The correct
procedure is as follows:
1. Activate the MENU with [
2. Position the cursor in front of OFF.
3. Confirm OFF with [ENTER].
Caution
Failure to wait until the fan stops can cause damage to the water heater.
4.
Wait until the fan has stopped. The icon
5. Switch the water heater OFF (position 0) using the control switch on the operator
interface.
6. Isolate the water heater from the power supply by setting the isolator between the
water heater and the mains power supply to position 0.
Note
Setting the main switch between the water heater and the electricity mains to 0 will
switch off the power supply to the potentiostat; there is then no longer any anode
protection.

Turn off for a long period

When the water heater needs to be turned off for more than 2 months, contact your
service and maintenance engineer to decommission the water heater.
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is then dimmed.
User part