Unit installation

CDU Installation Guide Page 28
Cooling Distribution Unit
OPERATION (continued)
6.2 Controller Menu Summary
All items shown on this background are available to all personnel with no requirement for an access
code.
All items shown on this background are only available to service engineers only with the correct access
code.
All items shown on this background are only available to factory authorized personnel with the correct
‘Engineering’ access code.
Controller Menu Structure (software version 1.5 shown)
Screen
/ Level
Title
Options & (Info)
Setup (screen 1)
1-1
Attach to unit
Waiting for service msg. (press button on mother board to attach)
1-2
Site setup
No. of RDHx 1 to 6 (set as required)
Units* SI or Imperial
Daylight Saving Hours Europe, Manual, No DST or N. America
Date Format dd/mm/yy or mm/dd/yy
Date & time dd/mm/yy hh:mm:ss (24 hour clock)
1-3
Factory defaults
Reset parameters to defaults
1-4
Reset display
(Clear screen buffer)
Logon (screen 2)
service code – ‘5699’
engineering code – on request from manufacturer
Status (screen 3) - read only information
3-1
Mode
Standby / Online / Fault / Shutdown / Manual
3-2
Heat exchanger
(see page 27 for
explanation)
Valve no -- O/P --- % Act --- %
Secondary SP --.- °C(°F) Act --.- °C(°F)
Room sensor Temp --.- °C(°F) RH --.- %
DP o/r DP --.- °C(°F)
3-3
Room sensor
--.- (temperature) and --.- (relative humidity)
3-4
Sec. pressure
PS1 --.-- Bar (PSI) (pump suction pressure)
PS2 --.-- Bar (PSI) (pump discharge pressure)
DP --.-- Bar (PSI) (pump differential pressure)
3-5
Prim. Pressure
PS3 --.-- Bar (PSI) (filter inlet pressure)
PS4 --.-- Bar (PSI) (filter outlet pressure)
DP --.-- Bar (PSI) (filter differential pressure)
3-6
Sec. Temp
T2a --.- °C(°F) (water supply temperature to RDHx’s)
T2b --.- °C(°F) (water supply temperature to RDHx’s)
Ave --.- °C(°F) (average T2a & T2b)
3-7
Prim. Temp
--.- °C(°F) (incoming chilled water temperature)
3-8
Prim. Flow
--- L/M (USgpm) (chilled water flow – not accurate below 20L/M (5USgpm))
3-9
Pump Runtimes
Hours (total run time in hours of pumps 1 & 2)
3-10
Valve 1 Runtime
Hours (total run time in hours of valve 1 - at 25,50,75 & 100% positions)
3-11
Valve 2 Runtime
Hours (total run time in hours of valve 2 - at 25,50,75 & 100% positions)
3-12
IO status
3-12-1 Digital Inputs & Outputs (see page 27 for explanation)
3-12-2 Analogue Inputs
3-12-3 Resistive Inputs
3-12-4 Universal Inputs
3-12-5 Analogue Outputs
3-13
Reset info
(Raw data for factory information only)
(Raw input data - for
factory information only)
* Note: If the ‘units’ are changed during CDU operation, any parameters that have been previously adjusted, will revert to default values in the new chosen ‘units’.