40 Chapter 5 iCOM Controller
Liebert. PEX+Series Precision Air Conditioner User Manual
Diagnosis switch of electric heater 3. The ‘On’ setting of this
parameter can start electric heater 3 only when the air loss is
normal
Diagnostic switch of Dehumidification solenoid valve
Diagnosis switch of solenoid valve of water supply to the
humidifier
Diagnosis switch of humidifier. The ‘On’ setting of this
parameter can start the humidifier only when the air loss is
normal
Electric current of humidifier
Diagnostic switch of alarm relay.
Diagnostic switch of free cooling relay.
Diagnostic switch of 3-phase electric regulator.
MBV1 position, MBV2 position
Diagnostic output of analog variable 1 ~ 4. They can be set to
be percentage of desired output
Remote shut down. Range: On, Off
Air loss alarm. OK means the system is normal. ACT means
the air loss is active, and abnormity occurred
Fan motor overload alarm. OK means the fan is normal. ACT
means the fan is overloaded, and abnormality occurred
Filter clogging situation. OK means normal; ACT means the
filter is clogged
States of customized alarms 1 ~ 4. ‘OK ‘means normality;
‘ACT’ means that the alarm is active and that abnormality
occurs
State of high pressure switch 1. OK means normal. ACT
means abnormal
State of low pressure switch 1. OK means normal. ACT
means abnormal
Overload state of compressor 1. OK means normal. ACT
means abnormal
State of high pressure switch 2. OK means normal. ACT
means abnormal
State of low pressure switch 2. OK means normal. ACT
means abnormal
Overload state of compressor 2. OK means normal. ACT
means abnormal
Humidifer fault state. OK means normal. ACT means
abnormal
Status DT1 (Outdoor/Glycol)
Status DT3 (Room/Set point)
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