Vertiv Liebert PEX3 DX Series User Manual

Vertiv | Liebert® PEX3™ Series Precision Air Conditioner | User Manual 80
iCOM Controller Operation
4.7. Password
The password is necessary for dierent level menus. After entering the password (user password: 149), use the
up and down navigation buttons to browse/ change all the options/parameters in User Menu, and then press
the enter button to enter the selected option.
4.8. Setpoints
The setpoints disappear when the power is lost. Use the User Menus to browse and set parameters in the
SETPOINTS submenu. The left row displays the parameter codes; the middle row; the parameter name; the
right row and the setpoints, as shown in Table 4-4.
Table 4-4 Descriptions of Setpoint Parameters
Parameters Default Setting range Description
U102 TEMP SET 23.0 °C 5.0 °C to 40.0 °C Air Temperature Setpoint
U102 TEMP ACT -
5.0 °C to 40.0 °C
Actual Air Temperature Setpoint
U103 TEMPSENS Return Sensor
0 = SUP
1 = REM
2 = RET
Temperature Control Sensor
U104 HUM SET
50% 20% to 80% Humidity Setpoint
12.0 °C 5.0 °C to 30.0 °C Dew Point Setpoint
U105 SUP SENS No No, Lim, Ctrl, Cool Supply Air Type
U106 HUM CTRL Predictive
0 = Rel
1 = Comp
2 = Pred
3 = DewP
Humidity Control Type
U107 FAN SET 23.0 °C
5.0 °C to 40.0 °C Fan Speed Temperature Setpoint
U108 FAN SENS Return Sensor
0 = SUP
1 = REM
2 = RET
3 = MAN
Fan Control Sensor
U110 SMART AI -
0 = No
1 = Yes
Smart Aisle Enabled
U113 2ND SETP 23.0 °C 5.0 °C to 40.0 °C 2nd Temperature Setpoint
U114 SUP TEMP 5.0 °C
5.0 °C to 27.0 °C
Supply Temp Limit Setpoint
U116 BACK TSP 23.0 °C
5.0 °C to 40.0 °C
BMS Backup Temp Setpoint
U117 BACK FAN 23.0 °C
5.0 °C to 40.0 °C
BMS Backup Fan Setpoint
U119 RCOMP SP
23.0 °C
5.0 °C to 40.0 °C
Return Compensation Setpoint
If you want to modify the preceding setpoints, enter the password before entering the SETPOINTS menu. Then
press the Enter button to enter the submenu and use the Up and Down button to scroll the options. Press the
Enter button to select one parameter, use the Up or Down button to set the value, and press the Enter button
to save the change.

Vertiv Liebert PEX3 DX Series Specifications

General

Brand	Vertiv
Model	Liebert PEX3 DX Series
Category	Air Conditioner
Language	English