Lenovo Neptune DWC RM100 - Page 19

CDU Operating & Maintenance Guide Page 19
Neptune DWC RM100 in-rack Coolant Distribution Unit
Service - Fill Pump Request
This fill function is used at commissioning
only and will allow the fill pump to run
without any time limit. Fill pump will still
switch Off automatically when unit reaches
required static pressure
Service - Rotation
Used to force a pump changeover at an
unscheduled time.
Service - Suppress Alarms
Resets the alarm delay timer (normally only
activated during start-up) to stop nuisance
alarms breaking through during manual
operation
Service - Overrides
ID
Title
Description
Default
Range
Unit
-
Pump 1 Speed
Set pump drive control speed
0
1 to 100
%
-
Pump 2 Speed
Set pump drive control speed
0
1 to 100
%
-
Fill Pump P3
Switch fill pump on
Auto
(1)
Auto (1) –
Man (0)
-
-
Cooling Valve
Set control valve position
0
1 to 100
%
-
Audible Alarm
Switch alarm output on or off
Auto
(1)
Auto (1) –
Man (0)
-
‘Overrides’ allows the user to manually control some functions of the unit for a limited time period while running in automatic
mode, for the purposes of troubleshooting etc. (see Installation & Commissioning manual for more information).
Service – Reset Run Hours
Resets the pump and valve run hours to zero.
Service – Full Manual Control
ID
Title
Description
Default
Range
Unit
-
Full Manual Control
Set unit to full manual control
0
0 to 1
-
Pump 1 Speed
Set pump drive control speed
0
1 to 100
%
-
Pump 2 Speed
Set pump drive control speed
0
1 to 100
%
-
Fill Pump P3
Switch fill pump on
Auto
(1)
Auto (1) –
Man (0)
-
-
Cooling Valve
Set control valve position
0
1 to 100
%
-
Audible Alarm
Switch alarm output on or off
Auto
(1)
Auto (1) –
Man (0)
-
-
Cooling Fan
Switch pump cooling fan on or off
Auto
(1)
Auto (1) –
Man (0)
-
Service – Max Cooling Mode
The function of this mode is to instantly
provide the maximum possible cooling in an
emergency situation