A.O. Smith TWI 35-200, Installation, User And Service Manual

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3 Interface
3.1 Operator interface
The operator interface consists of:
• a control switch (see 3.1.1) on the front side of the water heater, between the doors.
• a (touchscreen) display (see 3.1.2) to navigate through the menu and on which
settings, functions, values and errors can be viewed and entered.
The display is completely menu-driven and enables the user to change settings and to
verify the status and history of the water heater.
3.1.1 Control Switch
With the control switch you can turn the water heater on I or off 0.
Warning
The power of the water heater stays on when the control switch is set to 0.
3.1.2 Display
The display can show two different types of screens:
• A home screen that shows texts and symbols to indicate the actual status of the
water heater.
• A control screen where more information of the the water heater is shown and where
you can change settings.
Fig. Display - Home screen
1. Title bar
2. Status screen
3. Status bar
4. Control bar
5. Settings screen
Fig. Display - Control screen
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