Chapter 5 iCOM Controller 67
LP sensor related settings
Table 5-32 Descriptions of LP sensor related settings
Parameters (4/9) Default Setting range Description
A124 LP1 LOW 10% 0 ~ 100% LP1 sensor lower threshold (percentage)
A124 LP1 LOW 0bbar 10 ~ 50bar LP1 sensor lower threshold
A125 LP1 HIGH 90% 0 ~ 100% HP1 sensor lower threshold (percentage)
A125 LP1 HIGH 10.3bar 10 ~ 50bar HP1 sensor lower threshold
A126 LP1 ACT - - Actual LP1 signal. Read only
A127 LP2 LOW 10% 0 ~ 100% LP2 sensor lower threshold (percentage)
A127 LP2 LOW 0bar 10 ~ 50bar LP2 sensor lower threshold
A128 LP2 HIGH 90% 0 ~ 100% HP2 sensor lower threshold (percentage)
A128 LP2 HIGH 10.3bar 10 ~ 50bar HP2 sensor lower threshold
A129 LP2 ACT - - Actual LP2 signal. Read only
A130 PD CUT bar - Pumpdown cutout
A131 PD RECYC bar - Pumpdown recycle
A132 HEAT REJ W/G
FSC, L-T,
W/G
Heat rejection control. Range:
FSC: fan speed control; L-T: Lee-Temp; W/G: water/glycol cooling
Free-cooling, HG and HW related settings
Table 5-33 Descriptions of free-cooling, HG and HW related settings
Parameters (5/9) Default Setting range Description
A135 K11 ACT DEH
WNG
、
DEH
、
NOP
、
FC
-
A136 C/W F DUR 3min 1min ~ 3min Cooling water flush duration
A137 COOL TYP SINGL Singl, FC, DC Three cooling type
A138 STOP FC+ °C - Stop FC at setpoint + or value
A139 FC F DUR 0min 1min ~ 3min Freecooling flush duration
A140 FC F K11 Yes Yes, No Freecooling flush starts R5
A141 COMP + FC No Yes, No Compressor plus FC simultaneously
A142 HW F DUR 3min 0 ~ 3min Hot water flush duration
A143 HG HEAT No Comp.1, Comp.2, No Hot gas heating enabled
A144 HEAT OP STAGE Stage, Delay, No Electric heater operation mode
Humidification and dehumidification related settings
Table 5-34 Descriptions of humidification and dehumidification related settings
Factory 6/9 Default Setting range Description
A146 HUM TYPE IFS
External, IFS, IFL,
PEX6, PEX9, PEX12,
21LLA, 53LLC,
53HLB, 93LLE,
93HLD, d3H, HT2,
HT5, HT9, SGH, No
Humidifier model
A147 HUM VOLT V - -
A148 HUM LAST 15hr -
Detect whether the last operation time exceeds this cycle
setting during the startup of the humidifier. Unit: hr
A149 PREFILL 30s or 57s - Prefill time. Unit: second
A150 FILL 57s - Fill time. Unit: second
A151 HUM ON 584s - Humidifier on time. Unit: second
A152 DEH COMP 1 1, 2, both
Dehumidification with compressor. When 1 or 2 is selected,
compressor 1 or 2 is used for dehumidification. When Both
is selected, the two compressors are both used for
dehumidification
Liebert.PEX2 Series Air Conditioner User Manual
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