Daikin UATYQ25ABAY1 Инструкция по эксплуатации онлайн [19/24] 608590
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Daikin UATYQ25ABAY1 Инструкция по эксплуатации онлайн [19/24] 608590

Daikin UATYQ100AFC3Y1 Инструкция по эксплуатации онлайн [19/24] 608705
Original instructions
Installation manual
19
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
AL33
Compressor 3
Overload
Intervention of the thermal
protection compressor 3
Check working conditions.
M No Compressor 3
Check cabling, terminals and circuit
breaker of the motor.
Check adsorbed current.
Check compressor discharge
temperature.
AL34
Compressor 4
Overload
Intervention of the thermal
protection compressor 4
Check working conditions.
M No Compressor 4
Check cabling, terminals and circuit
breaker of the motor.
Check adsorbed current.
Check compressor discharge
temperature.
AL35
Compressor 3
maintenance
It has been exceeded
compressor 3 operating hours
threshold.
Check the working conditions of the
compressor.
M (1) No None
AL36
Compressor 4
maintenance
It has been exceeded
compressor 4 operating hours
threshold.
Check the working conditions of the
compressor.
M (1) No None
AL37-
65
Not used - - - - -
AL66
WARNING Circuit 1
in Prevent
Condensing pressure circuit
1 is higher than prevention
value (cooling mode)
Evaporation pressure circuit 1
is lower than prevention value
(heating mode)
Check working conditions.
A (2) No
One compressor of
circuit 1
Check condensing pressure.
Check condensing fans and coil.
Checkcondensingcoilairow.
Check refrigerant charge
AL67
WARNING Circuit 2
in Prevent
Condensing pressure circuit
2 is higher than prevention
value (cooling mode)
Evaporation pressure circuit 2
is lower than prevention value
(heating mode)
Check working conditions.
A (2) No
One compressor of
circuit 2
Check condensing pressure.
Check condensing fans and coil.
Checkcondensingcoilairow.
Check refrigerant charge
AL68
Di󰀨erentialprobe
supply
The value measured from
thesupplynairdi󰀨erential
pressure probe for the return
is outside the allowed range.
Checkairow.
A (2) No None
Checkairowdistributionsystem.
Checksupplydi󰀨erentialpressureswitch
and its own connection hoses.
AL69
Di󰀨erentialprobe
return
The value measured from the
returnairdi󰀨erentialpressure
probe for the return is outside
the allowed range.
Checkairow.
A (2) No None
Checkairowdistributionsystem.
Checksupplydi󰀨erentialpressureswitch
and its own connection hoses.
AL70
B9 probe broken or
disconnected
The reading of the probe
B9 (indoor air CO2 or VOC)
exceeds the range
Check working conditions.
M No
All components and
fuctions directly
related to the probe
Check in the controller for the correct
probe reading range .
Check the correct reading of the probe
and eventually replace it.
Check probe wiring and terminals.
Check correct functioning of the analogic
input of the main board.
AL71
B10 probe broken
or disconnected
The reading of the probe B10
(outdoor air relative humidity)
exceeds the range
Check working conditions.
M No
All components and
fuctions directly
related to the probe
Check in the controller for the correct
probe reading range .
Check the correct reading of the probe
and eventually replace it.
Check probe wiring and terminals.
Check correct functioning of the analogic
input of the main board.

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