Installation & Operation Manual
45
7
Operating information
(continued)
User interface
The electronic controller has a Liquid Crystal Display (LCD) to supply information. The LCD allows for setup and monitoring
of the unit. Three (3) buttons (“Select”, “+” & “-“) are provided for selecting and adjusting settings.
Figure 7-1_User Interface Screen
Menus
All of the items displayed by the electronic controller are
organized into two (2) menus. These menus are listed on
the upper right-hand side of the display (Menu Field). The
default menu for the controller is the
View
Menu. While in
the
View
Menu, the VIEW segment is displayed. To select
the
Adjust
Menu, press and hold all three (3) buttons for 3
seconds simultaneously. The display then advances to the
Adjust
Menu and the ADJUST segment is turned on in the
display. The display will automatically revert back to the
View
Menu after 20 seconds of keypad inactivity. Once in
a menu, there will be a group of items that can be viewed
within that menu.
Select
The abbreviated name of the selected item will be displayed
in the item field of the display. To view the next available
item, press and release the SELECT button. Once you have
reached the last available item in a menu, pressing and
releasing the Select button will return the display to the first
item in the selected menu.
Adjust
To make an adjustment to a setting in the control, begin by
selecting the
Adjust
Menu by pressing and holding all three (3)
buttons simultaneously and then select the desired item using
the SELECT button. Finally, use the + or - button to make the
adjustment.
WARNING
Return water temperatures must not be
less than 140°F.
Figure 7-2_Symbol Descriptions
