98
Service manual
Daikin R32 Rooftops UATYA-B
ESIE21-02 – 2021.03
4.2.9 Ventilation unit maintenance alarm
The controller records the number of operating hours of the fans featured in the unit and outputs a message to warn about
the need for maintenance.
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
FA47
1000
h
Threshold for “compressor operating hours exceeded” alarm (0 = disabled)
RFA47
1000
h
Threshold for “compressor operating hours exceeded” alarm (0 = disabled)
Ventilation in delivery line
Alarm code
AL135
Reason for activation
This is detected when the operating hours of the fans in the delivery line exceed the limit
set in parameter “FA47”.
Reset
Upon deletion of the hours in the Service or Maintenance menu
Reset mode
Manual
Alarm icon
Flashing
AlarmLog
Yes
Alarm relay
Based on “alarm.conf” file
Devices
Behaviour in the event of an alarm
Fans
They follow the control
The other devices
They follow their control
Ventilation in return line
Alarm code
AL183
Reason for activation
This is detected when the operating hours of the fans in the return line exceed the limit set
in parameter “RFA47”.
Reset
Upon deletion of the hours in the Service or Maintenance menu
Reset mode
Manual
Alarm icon
Flashing
AlarmLog
Yes
Alarm relay
Based on “alarm.conf” file
Devices
Behaviour in the event of an alarm
Fans
They follow the control
The other devices
They follow their control
4.2.10 EEprom error alarm
Alarm code
AL210
Reason for activation
EEprom memory error in controller
Reset
Controller replacement
Reset mode
Manual
Alarm icon
Flashing
AlarmLog
Yes
Alarm relay
Based on “alarm.conf” file
Devices
Behaviour in the event of an alarm
All devices
All outputs are disabled.
4 Alarms
Summary of Contents for UATYA-B
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