Table B.4 Service Menu Alarm Settings by Line ID (continued)
Line
Parameter
ID
Name
Event Delay Time
(sec)
627
Event Enabled
Event: FLOW
SENSOR FAILURE
Event Delay Time
(sec)
628
Event Enabled
Event: PUMP 1
HOURS EXCEEDED
Event Delay Time
(sec)
629
Event Enabled
Event: PUMP 2
HOURS EXCEEDED
B.3 Line IDs for Cascade Operation Parameters
Table B.5 Service Menu Cascade Parameters by Line ID
Line
Parameter
ID
Name
S515
Cascade Units
Cascaded Units
S516
Delay
Cascaded Units
Quick Start
S517
Cascaded Units
QS Delay
Cascaded Units
S518
Control Delay
168
Range
1 - 9999 sec
DisabledEnabled
MESSAGEWARNINGALARM ALARM
1 - 9999 sec
DisabledEnabled
MESSAGEWARNINGALARM WARNING
1 - 9999 sec
DisabledEnabled
MESSAGEWARNINGALARM WARNING
Default
Range
Description
Setting
User may select the method to which the next standby unit will stage ON.
No
•
Yes
•
Cool/Heat
No
•
Cooling
•
Fan PI
Fan speed
•
•
Once a Standby unit receives an ON command from the Master (U2U 1); the amount of time that
0 - 30 min 10 min
must surpass prior to the standby unit staging ON
0 - 30 min 2 min
After the Master (U2U 1) has restarted after a power-cycle; this control delay time is used (Shorter
time than S516). The timer changes back to using S516 when the time of power cycle is equal to S517
min/sec.
15 - 1800
120 sec
NOTE: This setting is not required. If set to a value of 0, then S517 Cascade Units Quick-Start is
sec
disable.
Once a standby unit has been cascaded ON; the amount of time that must surpass before the normal
0 - 30 min 5 min
unit control is used.
Default
Description
Setting
10 sec
Enabled
XDU Fluid Flow Sensor Failure
-
Enabled
Current working hours of fluid pump 1 are above the threshold
-
Enabled
Current working hours of fluid pump 2 are above the threshold
No = disabled
Yes = enabled via TW Mode 1
Cool/Heat = enabled via TW Mode 1
Cooling = enabled via TW Mode 1
Fan PI = enabled via TW Mode 3
Fan speed = enabled via TW Mode 3
Vertiv™ | Liebert® iCOM™ Installer/User Guide
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