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4.8.6
UNBALANCE menu
If you leave the UNBALANCE menu on 0% the unit
will make sure the amount of incoming air is the
same as the amount of outgoing air. The unit will take
the difference in channel resistance into account.
Leave the value in this menu on 0% to make sure
both airflows remain in balance.
In some cases you may want to create an unbalance
between the incoming and outgoing air.
To create an over pressure in the dwelling set the
UNBALANCE menu to a positive setting. The unit
will decrease the airflow of the supply air by the set
percentage. This option is not possible when the
menu FIRE PLACE PRESENT is set to YES.
To create an under pressure in the dwelling set the
UNBALANCE menu to a negative setting. The unit
will decrease the airflow of the extract air by the set
percentage.
4.8.7
HEAT EXCHANGER TYPE menu
If you replace the heat exchanger with a different
type than installed in the factory you need to change
the setting in this menu.
Menu item
Function
HRV
Standard heat exchanger installed.
ERV
Enthalpy heat exchanger installed.
4.8.8
DIRECT FAN CONTROL menu
Do not activate this menu.
The unit is equipped with ventilation control and
unbalance which will regulated the airflow between
the two fans. DIRECT FAN CONTROL will turn off
these controls.
4.8.9
SERVICE MODE menu
The unit is equipped with a SERVICE MODE to
enable the maintenance of the device possible. By
activating this mode the basic functions of the device
will be turned off and the bypass valves removed
from the heat exchanger. You must still disconnect
the power to the unit manually to prevent touching
live electrically conductive parts.
When the power on the device is switched on again
the SERVICE MODE will automatically turn off. The
password of the INSTALLER SETTINGS menu is also
turned off.
4.9 OPTION BOX SETTINGS
If the unit is equipped with an Option Box the menu
OPTION BOX SETTINGS will appear. You can find
more information about the option box and this menu
in the manual of the option box.
3
This menu is only visible when the accessory is connected to the unit.
3
menu
4.10
LOG OUT menu
You can deactivate the password of the installer
settings by navigating to this menu.
4.11
Reset options
The unit is equipped with several reset options. The
following reset options are accessible to the user:
Menu item
Function
RESET ERROR
Reset all active error messages. When
the error causing the message is not
resolved the error message will come
back again over time.
RESET EXCL
When this menu is activated all settings
SCHEDULE
in the TASK MENU excluding the set
scheduler(s) will be returned to the
(default) factory settings.
(You can find this
menu under RESET
ALL TASKS)
RESET INCL
When this menu is activated all settings
SCHEDULE
in the TASK MENU including the set
scheduler(s) will be returned to the
(You can find this
(default) factory settings.
menu under RESET
ALL TASKS)
INSTALLER
When the option RESET is activated all
2
DEFAULT
settings will be returned to the (default)
installer settings.
(You can find
this menu under
ADVANCED
SETTINGS)
The following reset options can be found in the
INSTALLER SETTINGS > RESET menu:
Menu item
Function
FACTORY
Restore the unit default settings to
DEFAULTS
the first power-up settings.
You must commission the unit again.
RESET ERRORS
Reset all active error messages
excluding peripherals errors. When
the error causing the message is not
solved the error message will come
back again over time.
RESET ANALYSIS
Reset the data from the STATUS
menu.
PERIPHERALS
Disconnect the ancillary/ancillaries
ERRORS
causing an error.
Do not use this menu when the
(Ancillarie(s) which
function of the ancillary/ancillaries
has been present,
causing the error are required.
but is/are no longer
Following this reset the unit will
detected)
assume the ancillary/ancillaries
has never been present, until it is
detected once again.
4.12
Software update
A registered installer can update the unit firmware
to the latest function, using the ComfoConnect LAN
C. Registration can be requested at Zehnder. An
update can be performed to the same unit variant
only. Country specific settings and variant specific
settings will remain unchanged. The commissioning
wizard is not required to be performed after a
firmware update.
In the ComfoConnect Cloud menu, either connected
locally or via Remote Support, the latest firmware
version can be downloaded.
EN - 25
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