13 Configuration
Installer and user reference guide
32
BRK+S7
Wired remote controller
4P513689-1D – 2019.05
Result:
The fan of the indoor unit that corresponds to the selected
indoor unit number starts operating.
Cooling/Heating masterhood
About Cooling/Heating masterhood
A
a
b
c
c
c
c
b
b
b
B
a
b
c
c
c
c
b
d
b
b
A
Heat pump system
B
Heat recovery system
a
Outdoor unit
b
Indoor unit
c
Remote controller
d
BS unit
When multiple indoor units are connected to an outdoor unit, one of
these units (or a group of indoor units, in case of group control)
needs to be set as Cooling/Heating master. The other units/groups
then become Cooling/Heating slaves, and are restricted in their
operation by the master (e.g. one outdoor unit does not allow for one
indoor unit to run in Cooling operation while another runs in Heating
operation).
When an indoor unit or group of indoor units is set as Cooling/
Heating master, the other indoor units automatically become its
slaves.
For
instructions,
see
.
Status icon
Cooling/Heating masterhood corresponds to the following status
icon:
The behaviour of this status icon is according to the following table:
If a controller displays …
Then …
… NO status icon
… The indoor unit connected to
that controller is Cooling/Heating
master.
… a CONSTANT status icon
… The indoor unit connected to
that controller is slave to a
Cooling/Heating master.
… BLINKING status icon
… NO indoor unit is assigned as
Cooling/Heating master yet.
Operation mode
The operation mode behaviour of the indoor units is according to the
following table:
If the master …
Then the slaves …
… is set to "Heating", "Dry", or
"Auto" operation mode
… start running in the same
operation mode as the master.
No other modes are then
available for them.
… is set to "Cooling" operation
mode
... then the slaves cannot run in
"Heating" operation mode, but
can still run in "Cooling", "Fan
only" and "Dry" operation mode.
… is set to "Fan only" mode
… can ONLY run in "Fan only"
mode.
Once an indoor unit is set as master, it can be released from
masterhood. For instructions, see
. To turn a slave unit/group into the
master, first release the currently active master from its masterhood.
INFORMATION
Ventilation mode changes are possible regardless of
Cooling/Heating masterhood.
To set Cooling/Heating masterhood
Prerequisite:
No indoor unit is yet set as Cooling/Heating master
("changeover under centralised control" icon blinking on all
controllers).
Prerequisite:
You are operating the controller of the indoor unit that
you want to set as Cooling/Heating master.
1
Navigate to the operation mode menu.
2
Set the operation mode to either Cooling or Heating.
Result:
The indoor unit is now Cooling/Heating master ("changeover
under centralised control" icon not on controller).
Result:
All slave controllers display the "changeover under
centralised control" icon.
To release Cooling/Heating masterhood
Prerequisite:
You are in the installer menu.
Prerequisite:
You are operating the controller of the indoor unit that
you want to release from its masterhood.
1
Navigate to the Cooling/Heating masterhood menu.
2
Press
to release the indoor unit from its masterhood.
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