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Daikin UATYQ45ABAY1 Инструкция по эксплуатации онлайн [16/24] 608592
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Original instructions
Installation manual
16
We reserve the right to make changes without any prior notice.
UATYQ*Y1
Packaged Rooftop
4P522681-1B
CODE DESCRIPTION MAIN CAUSES CHECKS AND TROUBLESHOOTING RESET
UNIT
OFF
ITEMS OFF
AL03
High pressure
Circuit 1
High pressure alarm from
circuit 1 (high pressure switch)
Check condensing pressure.
M No
All compressors
circuit 1
Check refrigerant charge.
Check condensing fan/s operation
Check the presence of warm condensing
air recycling.
Check condensing coil cleaning and
eventually clean it.
Reset the high pressure switch before
resetting the alarm in the controller.
Check the correct intervention set for the
high-pressure switch.
AL04
High pressure
Circuit 2
High pressure alarm from
circuit 2 (high pressure switch)
Check working conditions.
M No
All compressors
circuit 2
Check condensing pressure.
Check refrigerant charge.
Check condensing fan/s operation
Check the presence of warm condensing
air recycling.
Check condensing coil cleaning and
eventually clean it.
Reset the high pressure switch before
resetting the alarm in the controller.
Check the correct intervention set for the
high-pressure switch.
AL05 Antifreeze alarm Digital input 1 open Check working conditions. A (2) No
Compressors (only
cooling mode)
AL06
High temp
threshold exceeded
Indoor temperature exceeds
the max value set
Check working conditions. A No None
AL07
Low temp threshold
exceeded
Indoor temperature is lower
than the min value set
Check working conditions. A (2) No None
AL08
Low pressure
Circuit 1 in summer
Low pressure alarm circuit 1
from the low-pressure switch
(cooling mode)
Check working conditions.
M No
All compressors
circuit 1
Check evaporation pressure.
Check refrigerant charge
Check evaporation fans.
Check the correct intervention of the low-
pressure switch.
AL09
Low pressure
Circuit 2 in summer
Low pressure alarm circuit 2
from the low pressure switch
(cooling mode)
Check working conditions.
M No
All compressors
circuit 2
Check evaporation pressure.
Check refrigerant charge
Check evaporation fans.
Check the correct intervention of the low-
pressure switch.
AL10
Low pressure
Circuit 1 in winter
Low pressure alarm circuit 1
from the low pressure switch
(heating mode)
Check working conditions.
M No
All compressors
circuit 1
Check evaporation pressure.
Check refrigerant charge
Check evaporation fans.
Check the correct intervention of the low-
pressure switch.
AL11
Low pressure
Circuit 2 in winter
Low pressure alarm circuit 2
from the low-pressure switch
(heating mode)
Check working conditions.
M No
All compressors
circuit 2
Check evaporation pressure.
Check refrigerant charge
Check evaporation fans.
Check the correct intervention of the low-
pressure switch.
AL12
Compressor 1
maintenance
It has been exceeded
Compressor 1 operating hours
threshold.
Check the compressor working
conditions.
M (1) No None
AL13
Compressor 2
maintenance
It has been exceeded
Compressor 2 operating hours
threshold.
Check the compressor working
conditions.
M (1) No None
Содержание
- Models 1
- Operation manual 1
- Rooftop packaged unit 1
- Rooftop packaged unit english 1
- Contents 3
- Operating guide 5 3
- User interface 4 3
- User interface 4
- Operating guide 5
- Software menu 5
- Main mask and menu 6
- Switching on off he unit from keyboard 7
- Temperatureandairflowsetpointadjust 7
- Clock menu and time slots setting 8
- Time slots programming examples 9
- Stopwashingfunction forcedfreecoolingatunitstart up 10
- Summer winter changeover from keyboard 11
- Input output visualization 12
- Change language and unit and software data visualization 14
- A automatic whenthealarmconditiondisappears thealarmisautomaticallyreset ac automaticcontrolled thealarmisautomaticallyresetforalimitednumberofattemptsinacertaintime after 15
- Above or by the supervisor reset variable for each alarm with manual reset the reset day and time are stored on the alarm history 15
- Alarms 15
- Eachalarmisidentifiedbyacode alxx andthealarmcauseisdescribedinthemask toresetanactivealarm press and hold for at least 2 seconds the alarm key if the alarm has been successfully reset the alarm mask disappears and if no other alarms are active the red alarm key is switched off an alarm can be reset only if the condition that has activated the alarm is not present anymore 15
- Inthe offunit column itisreportedifthealarmstopsthewholeunitornot 15
- M manualresetfromdisplayorfromsupervisor thealarmmustbemanuallyresetbydisplayasdescribed 15
- On alarm history menu last 150 alarms are stored when the memory is full and another alarm is activated the oldest alarm is overwritten in the following the full alarm list is reported with the main possible causes some troubleshooting hints the reset mode the action on the unit and on its components thealarmresetmodeisreportedonthe reset column 15
- That the reset becomes manual 15
- The manual reset of an alarm must be done only after checking the alarm cause and solving the problem that has activated the alarm the improper reset of an alarm can cause serious damages to the unit or to its components 15
- The mask displays the working hours of compressors 3 and 4 15
- When an alarm is triggered the red alarm key is on and the alarm digital output is activated by pressing the alarm key the last alarm is displayed the other active alarms can be scrolled with arrow keys thisisanexampleofanalarmmask 15
- Yes thealarmstopstheunit no thealarmdoesnotstoptheunit butonlytheconcerneddevices 15
- 1 maintenance alarms must be reset from masks ac ad ae of the maintenance menu and they cannot be reset by 21
- 2 the alarm is reset automatically but to clear the alarm visualization it is necessary to press and hold the alarm 21
- Key for at least 2 seconds 21
- Pressing the alarm key 21
- Cm_dkn_0001_rooftop_en_06 05 2019_rev02 24
- P522681 1 24
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