Unit installation

CDU Installation Guide Page 26
Cooling Distribution Unit
OPERATION (continued)
After initialization, the display panel will default to the welcome screen below:
By pressing the display down arrow key , a second information screen can be displayed as below:
Note: Pressing either the or button for 1 to 2 seconds will toggle the display to read imperial
units (when default is SI), or SI units (when default is imperial). Display will return to default units when
escaped.
To monitor other ‘status’ functions of the unit:
Press both & keys together for 1 to 2 seconds
to access the next screen showing a list of menu titles.
Scroll to the ‘Status’ title (screen 3) and press to
access.
All the information under the ‘Status’ menu is read only;
therefore a logon password is not required for viewing.
Refer to the table in Section 6.2 to see which functions
can be monitored under the ‘Status’ screen
pump 1 087%
valve 1 050%
man. o/r off
room 26.0°C 68%rh
Indicates which pump is running
(1 or 2) & % of full speed **
Indicates which control valve is
operational (1 or 2) & % open
Indicates if manual override is
active (on or off)
Indicates the room conditions
(temperature & relative humidity)
** will show ‘on’ if pump is running DOL
* This line will not normally show unless Dew Point
Override or Dew Point Tracking are active. Text will
blink slowly when operational – see Section 6.3
OK
Use up/down keys to
scroll through menu
titles
CDU 1.5 3
logon
status
service
Software version
Selected screen
ref. number
CDU 1.5 5
service
time control
parameters
set point 18.0°C
dw o/r .0°C
act. temp 18.4°C
07/02/06 08:30
Current secondary circuit
set point
Indicates if Dew Point override or
Dew Point Tracking is active *
Indicates the actual
secondary circuit temperature
Date & time (this will
alternate with the number
of active warnings/alarms
if present)