Additional Features; Information Mode; Unit Conversion Mode - Lochinvar 540H Installation Manual And Owner's Manual

On-demand water heater
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You can get some information about the water heater condition by pressing the "INFO" button. For
more information, follow the procedures below:
INFO
Button
Inlet water temperature will be
1st. press
displayed on the controller by pressing
the "INFO" button.
Outlet water temperature will be
2nd. press
displayed on the controller by pressing
the "INFO" button.
And then, water flow will be displayed
3rd. press
on the controller by pressing the
"INFO" button.
Press the "INFO" button to finish
4th. press

information mode.

Units of measure can be changed from Imperial to Metric and vice versa. For example, temperature can
be changed from °F to °C. Flow rate will also change from gallons per minute to liters per minute when
this setting is changed. Follow this procedure to change this setting:
Press the "ON/OFF" button on the controller in
1.
order to turn the controller on.
2.
When ON, the orange LED is lit.
The previous set temperature will be displayed on
3.
the screen.
4.
Press the "INFO" buttons for at least 3 seconds.
The set temperature should now be displayed in
5.
the alternate unit of measurement.
When the water heater is connected with the remote controller, the built-
NOTICE
in controller will not operate temperature settings. It will only work for the
information mode (Indoor models only).

ADDITIONAL FEATURES

-Information mode-
Operation

-Unit conversion mode-

Operation
51
Screen on the controller
Built-in controller
(EX.: 60 °F)
Outlet water temperature
(EX.: 120 °F)
Water flow
(EX.: 3.5 GPM)
Screen on the controller
Built-in controller
Page
Owner's Guide
Normal Operation
Remote controller
Inlet water temperature
Remote controller
(EX.: 100 °F)
(EX.: 38 °C)

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