Emerson Liebert PEX+ Series - Set Alarms

30 Chapter 5 iCOM Controller
Liebert. PEX+Series Precision Air Conditioner User Manual
5.6.6 SET ALARMS
The SET ALARMS menu is used to set the upper and lower limits of temperature and humidity alarms. The settings
will not be lost when the power fails. You can select the ‘SET ALARMS’ submenu to browse and set the parameters
through the USER MENUS. The parameters are described in Table 5-6.
 Note
 It is recommended not to change the system defaults. If you consider it necessary to change the defaults,
consult professionals first and set the alarm settings under the guidance of them.
Table 5-6 Descriptions of SET ALARMS parameters
Parameters
Default
Setting range
Description
U202
RTN SNSR
Yes
Yes, No
Return air alarm enable
U203
HI TEMP
37.8 °C
1.0 - 99.0 °C
High return air temperature alarm set point
U204
LO TEMP
18.3 °C
1.0 - 99.0 °C
Low return air temperature alarm set point
U205
HI HUM
60%
1% ~ 99%
High return air humidity alarm set point
U206
LO HUM
40%
1% ~ 99%
Low return air humidity alarm set point
U207
SENSOR A
No
Yes, No
Sensor A alarm enable
U208
HI TEMPA
32.3 °C
1.0 - 99.0 °C
High temperature alarm set point of sensor A
U209
LO TEMPA
12.8 °C
1.0 - 99.0 °C
Low temperature alarm set point of sensor A
U210
HI HUM A
70%
1% ~ 99%
High humidity alarm set point of sensor A
U211
LO HUM A
30%
1% ~ 99%
Low humidity alarm set point of sensor A
U213
SUP SNSR
Yes
Yes, No
Supply air alarm enable
U214
HI SUP T
23.9 °C
1.0 - 99.0 °C
High supply air temperature alarm setting value
U215
LO SUP T
10.0 °C
1.0 - 99.0 °C
Low supply air temperature alarm setting value
U219
REM SNSR
Disabled
0 = No
1 = Com
2 = Sep
Remote Sensor Alarms
U220
HI REM
32.3 °C
1.0 - 99.0 °C
High Remote Temperature
U220
LO REM
12.8 °C
1.0 - 99.0 °C
Low Remote Temperature
U224
HIREM 01
32.3 °C
1.0 - 99.0 °C
High Remote Temperature 01
U224
LOREM 01
12.8 °C
1.0 - 99.0 °C
Low Remote Temperature 01
U225
HIREM 02
32.3 °C
1.0 - 99.0 °C
High Remote Temperature 02
U225
LOREM 02
12.8 °C
1.0 - 99.0 °C
Low Remote Temperature 02
U226
HIREM 03
32.3 °C
1.0 - 99.0 °C
High Remote Temperature 03
U226
LOREM 03
12.8 °C
1.0 - 99.0 °C
Low Remote Temperature 03
U227
HIREM 04
32.3 °C
1.0 - 99.0 °C
High Remote Temperature 04
U227
LOREM 04
12.8 °C
1.0 - 99.0 °C
Low Remote Temperature 04
U228
HIREM 05
32.3 °C
1.0 - 99.0 °C
High Remote Temperature 05
U228
LOREM 05
12.8 °C
1.0 - 99.0 °C
Low Remote Temperature 05
U229
HIREM 06
32.3 °C
1.0 - 99.0 °C
High Remote Temperature 06
U229
LOREM 06
12.8 °C
1.0 - 99.0 °C
Low Remote Temperature 06
U230
HIREM 07
32.3 °C
1.0 - 99.0 °C
High Remote Temperature 07
U230
LOREM 07
12.8 °C
1.0 - 99.0 °C
Low Remote Temperature 07
U231
HIREM 08
32.3 °C
1.0 - 99.0 °C
High Remote Temperature 08
U231
LOREM 08
12.8 °C
1.0 - 99.0 °C
Low Remote Temperature 08
U232
HIREM 09
32.3 °C
1.0 - 99.0 °C
High Remote Temperature 09
U232
LOREM 09
12.8 °C
1.0 - 99.0 °C
Low Remote Temperature 09
U233
HIREM 10
32.3 °C
1.0 - 99.0 °C
High Remote Temperature 10
U233
LOREM 10
12.8 °C
1.0 - 99.0 °C
Low Remote Temperature 10
To browse through the menu, press the ENTER button to highlight the option, and use the up or DOWN button to
scroll.
Password is required for changing the set points. Then, enter the SET ALARMS menu, press the ENTER button to
highlight the option, use the up or DOWN button to browse the submenu. Press the ENTER button to enter the
selected parameter. Use the up or DOWN button to change the set points, and press the ENTER button to save the
change, or press the ESC button to quit the change.