Emerson Liebert PEX Series - Event Name and Definition; Commission Of Host Communication Component

70 Chapter 5 iCOM Controller
Liebert.PEX2 Series Air Conditioner User Manual
Parameters Default Range Description
A432 REPOSITION COUNTER RESET - - Reposition counter reset
A436 U4 - - U4 proportional band
A437 U3A - - U3A proportional band
A438 U2A - - U2A proportional band
A439 U1 - - U1 proportional band
A440 L1 - - L1 proportional band
A441 L2A - - L2A proportional band
A442 L3 - - L3 default proportional band
A443 ACTIVE OFFSET - - ACTIVE OFFSET
A444 4ST PHASHE - - 4ST PHASHE
A447 MAX - - Max proportional band
A448 U4 - - U4 default proportional band
A449 U3A - - U3A default proportional band
A450 U3B - - U3B default proportional band
A451 U2A - - U2A default proportional band
A452 U2B - - U2B default proportional band
A453 U1 - - U1 default proportional band
A458 L1 - - L1 default proportional band
A459 L2A - - L2A default proportional band
A460 L2B - - L2B default proportional band
A461 L3 - - L3 default proportional band
A462 MIN - - Min proportional band
5.10 EVENT NAME AND DEFINITION
See Table 5-40 for event name and definition.
Table 5-40 List of event name and definition
Event Definition
General Alarm General Alarm
COMP 1 HIGH PRESSURE Compressor 1 high pressure
COMP 1 LOW PRESSURE Compressor 1 low pressure
HIGH CW TEMP Chilled water high temperature
LOSS OF CW FLOW Loss of chilled water
EL HEAT HIGH TEMP Electric heater high temperature
MAIN FAN OVERLOAD Main fan overload
LOSS OF AIRFLOW Loss of air flow
CLOGGED FILTERS Clogged filters
CUSTOMER INPUT n (n = 1 ~ 4) Customer input n (n = 1 ~ 4)
FC LOCKOUT Free cooling lockout
LP Transducer 1 Fail Low pressure transducer 1 fails
CALL SERVICE Call for service
HIGH TEMPERATURE High temperature alarm
LOSS OF AIR BLOWER 1 Loss of air blower 1
HIGH ROOM TEMP High room temperature
LOW ROOM TEMP Low room temperature
HIGH ROOM HUM High room humidity
LOW ROOM HUM Low room humidity
HIGH TEMP SENSOR A High temperature of sensor A
LOW TEMP SENSOR A Low temperature of sensor A
HIGH HUM SENSOR A High humidity of sensor A
LOW HUM SENSOR A Low humidity of sensor A
UNIT HRS EXCEEDED Unit has exceeded operating time
COMP 1 HRS EXCEEDED Compressor 1 has exceeded operating time limit
HUM HRS EXCEEDED Humidifier has exceeded operating time limit
SUPPLY SENSOR FAILURE Supply sensor failure
DSCROLL 2 SENSOR FAIL Digital scroll 2 sensor fails
ROOM SENSOR FAILURE Room sensor failure