6 720 816 815 (2018/08) Greentherm T9800 SE 160/199 | SEC 199
46 | Operating Instructions
▶ Touch the symbol .
▶ Use the symbols or to select measurement units.
Metric ( °C l/min)
Imperial ( °F gal/min)
▶ Touch the symbol after selecting the desired units.
The selected units blinks, display indicates A9 Units.
AA Display Timeout
Activation of brightness control increases energy savings when
the appliance is idle.
This menu lets you control 3 parameters of the display when
idle, or when the unit is not in use:
• enable / disable brightness control
• after which time the brightness control is activated
• brightness level
▶ Access to information / adjustments menu.
Display shows SA Settings.
▶ Touch the symbol until the display shows AA Display
Timeout.
▶ Touch the symbol .
Display shows Backlight.
Fig. 45 Backlight control menu
▶ Touch the symbol .
▶ Use the symbols or to select DIM.
▶ Touch the symbol .
▶ Use the symbols or to set between 10 seconds
and 1 hour.
▶ Touch the symbol after reaching the desired value.
The time is defined, the brightness value must now be
programmed.
▶ Use the symbols or to set the brightness of the
display when in period of inactivity.
▶ Touch the symbol after reaching the desired
brightness.
AC Lock Display
This menu allows to lock the display.
▶ Touch the symbol .
Display shows following menu.
– Off
– On
▶ Touch symbols or to select the desired option.
▶ Touch the symbol .
The current selection is in green color.
To unlock the screen
▶ Touch symbols and more than 2 seconds to
unlock touch screen.
▶ Touch the symbol to return to main menu.
The display will lock after a few seconds of inactivity.
To unlock the display,
▶ Touch the symbols and for 2 seconds.
6.5.3 AU - Technical Settings
▶ See section 6.6.
6.5.4 “P9” - Purge
Fig. 46 P9 - Purge
This menu allows you to purge the exhaust circuit.
▶ Access to information / adjustments menu.
Display shows P4 Information.
▶ Touch the symbol until the display shows P9 Purge.
After 2 sec. the fan starts working to purge the exhaust
circuit.
6.6 Service menu - AU Technical Settings
Accessing the AU Technical Settings menu
▶ Touch the symbol .
Display shows P4 Information.
DANGER:
▶ Only for trained personnel!
The fan remains running until the Purge menu
is exited, to do so:
▶ Touch the symbol .
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