Chapter 5 iCOM Controller 43
Liebert.PEX Chilled Water Series Air Conditioner User Manual
5.6.9 SLEEP MODE
In the sleep mode, the air conditioner unit can realize auto-on/off. Through the SLEEP MODE menu, you can
set two time zones of the sleep mode, and select the sleep timing mode. The parameters on this menu are
described in Table 5-10.
Table 5-10 Descriptions of SLEEP MODE parameters
Parameters
Default
Setting range
Description
U602 MON No
Yes, No
Sleep mode day, including Monday ~ Sunday. Set the value of
any day to ‘Yes’, and the system will enter sleep mode on that
day every week. This parameter works together with the following
hour and minute settings to designate an exact time
U602 TUE No
U602 WED No
U602 THU No
U602 FRI No
U602 SAT No
U602 SUN No
U605 START
1 0hr
-
Sleep mode start time 1. The first parameter is used to set the
hour of time, and the second one is used to set the minute of time
U605 START
1 0m
U605 STOP
1 0hr
Sleep mode end time 1. The first parameter is used to set the
hour of time, and the second one is used to set the minute of time
U605 STOP
1 0m
U607 START
2 0hr
Sleep mode start time 2. The first parameter is used to set the
hour of time, and the second one is used to set the minute of time
U607 START
2 0m
U607 STOP
2 0hr
Sleep mode end time 2. The first parameter is used to set the
hour of time, and the second one is used to set the minute of time
U607 STOP
2 0m
U609
TIME MOD
Auto
Auto, Yes, No
Timing mode setting. Range:
Auto: during the system sleep time, if high/low temperature
occurs, the system will resume operation and mask the alarm for
15min. The system will re-enter the sleep mode after the alarm is
cleared
Yes: start sleep mode
No: no sleep mode
U610
TIME TYP
S.OFF
S.OFF, DEADB
Timing mode selection
U611
DEADBAND
K
2K ~ 15K
Used to set the deadband temperature setting range
5.6.10 SERVICE INFO
The SERVICE INFO menu provides the contact information of customer service personnel. The information is
read only.
5.6.11 ACTIVE ALARMS
The ACTIVE ALARMS menu displays the active alarms of the system. No password is required to query this
menu.
5.7 SERVICE MENUS
Press the right button at the first page of the USER MENUS, and you can enter the SERVICE MENUS, as
shown in Figure 5-8.
The SERVICE MENUS are displayed in five pages. Each page displays one or two submenus. Press the enter
button to highlight the submenus, and use the up or down button to scroll up or down. Press the enter button
to enter the selected submenu.
