15
RAK75 / © Ensto 2018
Operation
mode
Application
Sensors
Terminals Note
Heating
Room
ECOA909, low temperature 5, 6 [A]
Must not be exposed to direct
sunlight or draught, installation
e.g in an enclosure
Floor
ECOA909, low temperature 7, 8 [B]
In a sealed protective tube,
recessed in the floor
Room with
overheating
protection
ECOA909, low temperature 5, 6 [A]
Must not be exposed to direct
sunlight or draught, installation
e.g in an enclosure
ECOA909 as overheating
protection
7, 8 [B]
In a sealed protective tube,
recessed in the floor
Cooling
ECOA909, low temperature 5, 6 [A]
You can only use one sensor
at a time
ECOA909, low temperature 7, 8 [B]
Industry
ECOA909, low temperature 5, 6 [A]
You can only use one sensor
at a time
High temperature
7, 8 [B]
Frost
Protection
Ground
ECOA908, humidity and
temperature
5, 6, 12, 13
[A + C]
Detailed installation instruc-
tions in sensor package
Roof
ECOA907, humidity
12, 13
[C]
Detailed installation instruc-
tions in sensor package
ECOA909, temperature
5, 6 [A]
External alarm
10, 11
Optional
Remote control
(available in
HEAT / VACATION
and
COOL / VACATION
)
9, 14
Optional
6. User Instructions
6.1 Menu Navigation
The main menu contains three submenus
TEMP
,
PROGRAM
and
SYSTEM
. Choices you can find under these
three submenus depend on the used operation mode.
When you press any of the three buttons on the thermostat, the background lighting turns to full strength.
If no button is pressed in 30 seconds, the background lighting reverts to half strength.
Menu name
Marker
Menu selection
The selected submenu
blinks
The button moves
you down in the
menus or reduces
values
The button moves
you up in the menus
or increases values
The button opens a
new menu or confirms
a selection
• LANGUAGE
DATE/TIME
MODE
START UP
