Operation instructions
Greentherm T9900 SE/i – 6 720 813 635 (2019/03)
50
▶ Use the symbols
or
to select
A8 Startup Delay
.
▶ Touch the symbol
.
Display shows
Startup Value(s)
.
▶ Touch the symbol
.
▶ Touch the symbols
or
to define, in seconds, the
delay to start-up after detection of the water flow.
▶ Touch the symbol
after reaching the desired value.
A9 Units Set
This menu allows you to choose the units visible on the display.
▶ Access to information / adjustments menu.
Display shows
SA Settings
.
▶ Touch the symbol
until
A9 Units is in the display
.
▶ 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. 46
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 the symbols
or
to select the desired option.
▶ Touch the symbol
.
The current selection is in green color.
To unlock the screen,
▶ Touch the 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
WARNING:
▶ Only a qualified technician is authorized to access this
menu.
6.5.4 “P9” - Purge
Fig. 47
P9 - Purge
This menu allows you to purge the exhaust circuit.
▶ Access to information / adjustments menu.
Display shows
P4 Information
.
