Unit installation

CDU Installation Guide Page 32
Cooling Distribution Unit
OPERATION (continued)
Screen
/ Level
Title
Options & (Info)
6-4-2
Prim low temp
Default 40 °F [adj. 35 to 50 °F] (low temp. alarm threshold)
6-4-3
Prim high temp
Default 52 °F [adj. 45 to 75 °F] (high temp. alarm threshold)
6-4-4
Prim temp hys
Default 2 °F [adj. 1 to 9 °F] (low/high temp. alarm reset threshold)
6-4-5
Prim filter dirty
Default 9 PSI [adj. 3 to 15 psi] (diff. pressure alarm threshold)
6-4-6
Prim filter hys
Default 3 PSI [adj. 1 to 8 psi] (alarm reset threshold)
6-4-7
Prim filter delay
Default 60 secs [adj. 5 to 7200 secs] (time delay prior to alarm)
6-5
Offsets
6-5-1
Prim temp T1
Default 0 °F [adj. +/-15 °F] (sensor calibration)
6-5-2
Sec. temp T2a
Default 0 °F [adj. +/-15 °F] (sensor calibration)
6-5-3
Sec. temp T2b
Default 0 °F [adj. +/-15 °F] (sensor calibration)
6-5-4
Room. temp T3
Default 0 °F [adj. +/-15 °F] (sensor calibration)
6-5-5
Room RH
Default 0 % [adj. +/-10 %] (sensor calibration)
6-5-6
Pump PS1
Default 0 PSI [adj. +/-15 psi] (sensor calibration)
6-5-7
Pump PS2
Default 0 PSI [adj. +/-15 psi] (sensor calibration)
6-5-8
Prim filter PS3
Default 0 PSI [adj. +/-15 psi] (sensor calibration)
6-5-9
Prim filter PS4
Default 0 PSI [adj. +/-15 psi] (sensor calibration)
6-6
Manual period
Default 15 min [adj. 1 to 120 mins] (time delay before system reverts to auto)
6-7
Event delay
Default 20 min [adj. 1 to 120 mins] (event suppression on start up)
6-8
Flood operation
6-8-1
Flood op. switch
Default Alarm [adj. alarm only / shutdown] (unit flood tray sensor operation)
6-8-2
Flood op. u/f
Default Alarm [adj. alarm only / shutdown] (under floor sensor tape operation)
6-8-3
Threshold u/f
Default 143 [adj. 75 to 250] (u/f sensor sensitivity)
6-8-4
Flood delay u/f
Default 10 secs [adj. 5 to 60 secs] (u/f sensor alarm/shutdown delay)
6-9
Event relays
Default N/O [adj. normally closed, normally open] (relay operation mode)
Event Log (screen 7)
7-1
View active
(view all currently active warnings & alarms)
7-2
Clear active
(clear all active warnings & alarms)
7-3
View log
(view last 30 logged warnings/alarms with generated date/ time)
7-4
Clear log
(clear all logged warnings/alarms)
7-5
Diagnostics
(Raw data - for factory information only)
Connectivity (screen 8)
8-1
N/W address
(network address)
8-2
CDUA-133
(new style Web server with Modbus gateway)
8-2-1
Attach
(attach Web server)
8-2-2
Remove
(remove Web server)
8-3
CDUA-105-X
(older style Web server / Modbus gateway **)
8-3-1
Web server
8-3-1-1 Attach (attach Web server)
8-3-1-2 Remove (remove Web server)
8-3-2
Modbus
8-3-2-1 Attach (attach modbus)
8-3-2-2 Remove (remove modbus)
8-3-2-3 Status
8-3-2-4 Address - Default 1 [adj. 1 to 247] (modbus address)
8-3-2-5 Protocol - Default rtu [adj. rtu or ASCII] (modbus protocol)
8-4
Status
(web server / modbus gateway operational diagnostics)
** CDUA-105-1 Web server only
CDUA-105-2 Modbus gateway only
CDUA-105-3 Web server with Modbus gateway
*** IMPERIA L UNITS ***