Install Instructions

Table Of Contents
43
9.0 ACVMax Operation
CH
P3
P4
Boiler Protection
1
2
The faucet icon indicates that a
domestic hot water call has been
received.
Circulator icons indicate which
circulators are currently powered.
This line provides basic information.
The user can press the LEFT or RIGHT
arrow buttons to view Target, Supply,
Return, Domestic, Outdoor and System
Temperatures.
The radiator icon indicates that a
central heating call has been
received. A small number 1 or 2
indicates which CH calls are
active.
The Prestige is represented in the center of the Home Screen. Basic operating
information such as supply and return temperatures are displayed as well as
current burner status. A flame symbol is displayed when the unit is fired. The
flame size changes to indicate the current firing rate.
The status line displays the current operating state of the Prestige.
See page 44 for a list of all Status Line Messages.
9.3 Home Screen
The Home Screen presents status information in a very user friendly way so that the current
state of the boiler can be quickly accessed.
The screen backlight will illuminate when any button is pressed and remain illuminated for five
minutes. Press the UP or DOWN buttons to turn on the backlight while at the Home Screen
without making any changes.
The screen contrast can be adjusted at the Home Screen by pressing and holding the OK but-
ton then pressing and holding the LEFT arrow along with the OK button. The contrast can
then be increased by pressing the UP button or decreased by pressing the DOWN button while
holding in the OK button and LEFT arrow. All buttons must be released and the procedure
performed again to switch between increasing and decreasing contrast.