UM AER 01 N 1GB

English
47SysAer
Main menu Q0
Item
Screen code
Parameter Unit Min Fact. Max Description / Note
CLOCK
Unoccupied mode
K3
Main fan
Always ON /
ON on demand
Always
ON
This parameter defines the main fan operation when the unoccupied mode is active and the hour is outside the band. In that case, the main fan can remain ON or can be stopped when there is no Heat or Cool demand (compressors, freecooling…).
Summer compressors
start
N/Y
Y (comp. allowed to start)
In winter mode, the compressors are always allowed to start. In summer mode, it is possible to disable the compressors when the unoccupied mode is active and the hour is outside the band, in order to reduce the electric consumption at night and try to profit to the maximum of the freecooling. If the freecooling is not possible, the room temperature will rise until the hour is inside the band and the unit starts normally.
K4
Economizer minimum opening
Closed / Set
position (Pi)
Set
position
As for the main fan, it is possible to choose the minimum Economizer opening when the
unoccupied mode is active and the hour is outside the band. At night typically, the Economizer is able to close completely if free cooling/heating is not available instead of staying open at a set position (in Pi screen).
K5
Summer setpoint °C
STP low
limit Sum
26,0
STP high
limit
For setpoints limits, see P4 and S0/S1. This setpoint replaces the standard summer setpoint when the unoccupied mode is active and the hour is outside the band.
Winter setpoint °C
STP low
limit
19,0
STP high
limit Win
For setpoints limits, see P4 and S0/S1. This setpoint replaces the standard winter setpoint when the unoccupied mode is active and the hour is outside the band.
Daily scheduling K6
Start h : min 0:00 0:00 23:59 Between Start and End hours, the unit is considered inside the band, otherwise it is
End h : min 0:00 0:00 23:59 outside.
Weekly scheduling
K7 Enable N/Y N
This function gives the possibility to program unit OFF/ON according to the day of
the week. It is of course possible to associate this function to daily scheduling.
K8 Week day N/Y N Programming of each day OFF/ON
Scheduling K9
Main fan operation
unit OFF by scheduling
OFF/ON OFF
When the unit is OFF by scheduling (hour in ON/OFF daily scheduling, day in weekly scheduling or both), it is possible to choose the main fan operation, contrary to manual unit OFF (screen N0) where the main fan is forced OFF.
New password Ka New Clock pwd - 0 - 9999