Daikin LXE10E136 - Back-Up Operation at Sensor Malfunction

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3.4.2 Back-up operation at sensor malfunction
Sensor malfunction Mode Back-up content
SS Supply air temperature
sensor
Chilled The same control is executed by using DSS.
In case of DSS malfunction, [RS–2.0˚C] is used for control.
When DSS and RS are faulty, the unit should be stopped.
Frozen
Defrost
Error indication only (Operation continued)
RS Return air temperature
sensor
Chilled
Defrost
Error indication only (Operation continued)
DEFROST-
ING
The same control is executed by using DRS.
AMBS Ambient temperature sensor All modes Error indication only (Operation continued)
DCHS Discharge gas
temperature sensor
Chilled Error indication only (Operation continued)
Frozen
Defrosting
Error indication only (Operation continued)
EIS Evaporator inlet
temperature sensor
Chilled Error indication only (Operation continued)
Defrosting Error indication only (Operation continued)
EOS Evaporator outlet
temperature sensor
Chilled Error indication only (Operation continued)
Defrosting Defrosting start-up:Always permissible
Defrosting termination:The 90 minute timer count-up or
when EIS>90˚C or RS>set point
SGS Suction gas temperature
sensor
Chilled Error indication only (Operation continued)
Defrosting Error indication only (Operation continued)
HPT High pressure transducer Chilled
Frozen
Error indication only (Operation continued)
Defrosting Refrigerant charge:Error indication only (Operation continued)
Refrigerant release:LPT is used for releasing.
LPT Low pressure transducer Chilled
Frozen
Error indication only (Operation continued)
Defrosting Refrigerant charge:HPT is used for charging
Pump down:Pump down operation is not conducted
(Operation continued)
Frozen See the next page
Frozen See the next page
Frozen See the next page
03LXE10E100以降(27-32)E.qx08.8.2210:28AMページ3-28
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