MENU 1 – NIGHT MODE
NIGHT MODE
Setting: On/Off
You can activate night mode here.
SCHEDULE NIGHT MODE
Setting: 00.00 – 23.59
Activate night mode during the time of day you want
to switch off the backlight.
MENU 2 – CONNECTIONS
Select wireless or wired connection.
WIRELESS CONNECTION
Select wireless connection.
Go to the main product and select menu 5.4 – "Connect
wireless units".
WIRED CONNECTION
Select a communication address for RMU S40 by alloc-
ating it a unique number in this menu.
Setting: 1 – 8
MENU 3 – MICRO-SD
Here, you can update the software in your RMU S40.
First, download the software to a memory card (Micro-
SD). Connect this memory card (AA32). Space for
memory card, see section "Component positions".
TIP
RMU S40 is updated automatically from the
main product when new software is available.
MENU 4 – LICENCES
You can find licences for open source code here.
MENU 7 – DISPLAY ZONES
Here, you can select the zones that you want to be dis-
played in your RMU S40, for heating and cooling.
You can choose to display a maximum of ten zones.
Disturbances in
comfort
MANAGE ALARM
Heating
Alarm
Below is a brief description
of the alarm, as well as
proposed actions.
Show more information
ALARM
12
Alarm
Reset alarm
Activate auxiliary operation
In the event of an alarm, some type
of malfunction has occurred, which
is indicated by the status lamp shin-
ing with a steady red light. A dialogue
box appears in the display, containing
information about the alarm.
ALARM
In the event of an alarm with a red
status lamp, a malfunction has oc-
curred. The display shows what type
of alarm it is and lets you reset the
alarm.
In many cases, it is sufficient to select
“Reset alarm” for the installation to
revert to normal operation.
If the alarm indication disappears after
you have selected “Reset alarm”, the alarm has been
remedied. If the alarm recurs, the cause of the problem
remains.
"Auxiliary operation" is a type of emergency mode. This
means that the installation attempts to produce heat
and/or hot water, even though there is some kind of
problem. This could mean that the heat pump’s com-
pressor is not in operation. In this case, any electric ad-
ditional heat produces heat and/or hot water.
Caution
To select "Auxiliary operation", an alarm action
must be selected in menu 7.1.8.1 – "Alarm ac-
tions" in the main product.
Caution
Selecting "Auxiliary operation" is not the same
as correcting the problem that caused the
alarm. The status lamp will therefore remain
red.
TROUBLESHOOTING
COMMUNICATION ERROR
• For wireless connection: Check that the distance
between the main product and RMU S40 is not too
great.
• For wired connection: Check that the cable is correctly
connected between RMU S40 and the main product.
• Check that the addresses in the room unit's "Installa-
tion" menu and the main product’s 7.2.1 menu corres-
pond.
NIBE RMU S40 | GB38
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