When the underfloor drying function has been activated, a
counter is displayed showing the number of full days the
function has been active. The function counts degree
minutes in the same way as during normal heating operation,
but for the supply temperatures that are set for the respect-
ive period.
TIP
If the operating mode "Additional heat only" is to
be used, select this in menu 4.1.
For a more even supply temperature, the additional
heat can be started earlier by setting "relative DM
start additional heat" in menu 7.1.10.3 to -80. When
set underfloor drying periods have finished, reset
the menus 4.1 and 7.1.10.3 as per previous settings.
MENU 7.5.3 - FORCED CONTROL
Here you can force control the various components in the
installation. The most important safety functions remain
active however.
NOTE
Forced control is only intended to be used for
troubleshooting purposes. Using the function in
any other way may cause damage to the compon-
ents in your installation.
MENU 7.5.6 - INVERTER REPLACEMENT
This menu includes a guide that is used during inverter re-
placement.
The menu is only visible when communication with the in-
verter is lost.
MENU 7.5.8 - SCREEN LOCK
Here, you can choose to activate the screen lock for S735.
During activation, you will be asked to enter the required
code (four digits). The code is used when:
• deactivating the screen lock.
• changing the code.
• starting up the display when it has been inactive.
• the front panel is closed for more than three seconds.
• restarting/starting up S735.
MENU 7.5.9 - MODBUS TCP/IP
Setting range: on/off
Here, you activate Modbus TCP/IP. Read more on page 61.
MENU 7.6 - FACTORY SETTING SERVICE
Here, you can reset all settings (including settings available
to the user) to factory values
Also new parametrisation of the inverter can be done here.
NOTE
When resetting, the start guide is displayed the
next time S735 restarts.
MENU 7.7 - START GUIDE
When S735 is started for the first time, the start guide is
automatically activated. From this menu, you can start it
manually.
MENU 7.8 - QUICK START
You can quick start the compressor here.
One of the following demands for the compressor must exist
for quick start:
• heating
• hot water
Caution
For it to be possible to quick-start the compressor,
it must have reached the correct temperature. It
can take up to 30 minutes to preheat the com-
pressor.
Caution
Too many quick starts in a short space of time may
damage the compressor and its auxiliary equip-
ment.
MENU 7.9 - LOGS
Under this menu, there are logs that collect information
about alarms and changes made. The menu is intended to
be used for troubleshooting.
MENU 7.9.1 - CHANGE LOG
Read off any previous changes to the control system here.
NOTE
The change log is saved at restart and remains
unchanged after factory setting.
MENU 7.9.2 - EXTENDED ALARM LOG
This log is intended to be used for troubleshooting.
MENU 7.9.3 - BLACK BOX
Via this menu, it is possible to export all logs (Change log,
Extended alarm log) to USB. Connect a USB memory and
select the log(s) you want to export.
57Chapter 9 | Control - MenusNIBE S735
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