Emerson Liebert PEX+ Series - Page 55

Chapter 5 iCOM Controller 47
Liebert. PEX+Series Precision Air Conditioner User Manual
System related settings
Table 5-31 Descriptions of system related settings
Parameters (2/9)
Default
Setting range
Description
A102
REFRIG
R22
R407C, R22,
R410A
Refrigerant type selection
A103
MOTOR OL
SHUTD
SHUTD,
DISAB
Main fan overload. The action to take after the fan overload. Range:
SHUTD (fan shuts down), DISAB (shut down humidifier, dehumidifier and
heater, only keep the cooling unit running)
A104
AIR LOSS
SHUTD
SHUTD,
DISAB
The action to take after the loss of airflow. Range: SHUTD (fan shuts
down), DISAB (shut down humidifier, dehumidifier and heater, only keep
the cooling unit running)
A105
# COMP
0
0 ~ 2
Number of compressors
A106
COMP DLY
0sec
0-120sec
Compressor delay time
A107
COMP ON
min
0 ~ 5min
Compressor minimum on time
A108
COMP OFF
3min
0 ~ 5min
Compressor minimum off time
A109
PUMPDOWN
Yes
Yes, No
Pump down enable
A110
CAP TYPE
No
4step,
HGBP, DS,
DS + TH, No
Capacity control type. 4step: four steps. HGBP: hot gas bypass. DS:
digital scroll. DS + TH: digital scroll and temperature switch. No: with no
need for capacity control type
Other settings
Table 5-32 Descriptions of other settings
Parameters (3/9)
Default
Setting range
Description
A113
DS CYCLE
s
-
Digital scroll cycle
A114
DS HT
°F
-
Digital scroll high temperature
A115
DS SWB
°F
-
Digital scroll switchback
A116
LP TYPE
Analog
Analog, Digital
Low pressure device type
A117
LP PH1
ps
-
Low pressure threshold phase 1
A118
LP PH2
ps
-
Low pressure threshold phase 2
A119
LC PRE
0.0s
-
Liquid control pre-time
A120
LC POST
0.0s
-
Liquid control post-time
A121
CHARGE P
br
-
Loss of Charge Protection
A122
SUP CYC
1 sec
1 - 300 sec
Supply Cycle Average
A122
REM CYC
1 sec
1 - 300 sec
Remote Cycle Average
LP sensor related settings
Table 5-33 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
0bbr
10 ~ 50br
LP1 sensor lower threshold
A125
LP1 HIGH
90%
0 ~ 100%
HP1 sensor lower threshold (percentage)
A125
LP1 HIGH
10.3br
10 ~ 50br
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
0br
10 ~ 50br
LP2 sensor lower threshold
A128
LP2 HIGH
90%
0 ~ 100%
HP2 sensor lower threshold (percentage)
A128
LP2 HIGH
10.3br
10 ~ 50br
HP2 sensor lower threshold
A129
LP2 ACT
-
-
Actual LP2 signal. Read only
A130
PD CUT
br
-
Pumpdown cutout
A131
PD RECYC
br
-
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
A133
GlobCond
No
No,Yes
Global Condenser enabled
A13A
EEV EN
No EEV
-
EEV Enable
A13B
EEV LP
Yes
-
LP with EEV