100
Service manual
Daikin R32 Rooftops UATYA-B
ESIE21-02 – 2021.03
4.2.13 External alarm
A digital input is featured in the controller to manage an external signal. The signal is managed by the controller according
to the option set in parameter “PAL60” (0 = warning only; 1 = unit stop; 2 = only ventilation unit in operation).
The parameters involved are shown in the table.
The values of the parameters are representative. In specific cases, different values can be set.
Parameter Value UM
Description
PAL57
0
s
Activation delay
PAL58
0
s
De-activation delay
PAL59
0
-
Max. number of alarms in one hour
PAL60
0
-
Action in presence of an alarm
External alarm
Alarm code
AL209
Reason for activation
When the relevant digital input is open, after the delay setpoint in parameter “PAL57”
Reset
Upon closing of the digital input after the delay set in parameter “PAL58”
Reset mode
Automatic; switches to manual after the trip occurrences per hour set in “PAL59”
Alarm icon
Flashing
AlarmLog
Yes
Alarm relay
Based on “alarm.conf” file
Devices
Behaviour in the event of an alarm
All devices
Based on setpoint in parameter “PAL60”
4.2.14 c.pCOe communication error alarm
c.pCOe boards are extensions that are serially connected to the master board.
Alarm code
AL52 for extension 1; AL53 for extension 2; AL54 for extension 3
Reason for activation
When the master fails to communicate with the corresponding extension.
Reset
As soon as serial communication is restored.
Alarm icon
Flashing
AlarmLog
Yes
Alarm relay
Based on “alarm.conf” file
Devices
Behaviour in the event of an alarm
All devices
Unit operation stop
4 Alarms
Содержание UATYA-B
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