
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual
(
Dec.
, 2013)
Group Alarms 17 to 24
No.
Description
Bit
mask
Default
17
High temperature
1
0
18
Low temperature
2
0
19
High humidity
4
0
20
Low humidity
8
0
21
High water temperature CW1
16
0
22
Low water temperature CW1
32
0
23
Reserved
64
0
24
Reserved
128
0
Group Alarms 25 to 32
No.
Description
Bit
mask
Default
25
Upper temp sensor
1
0
26
Middle temp sensor
2
0
27
Lower temp sensor
4
0
28
Return humidity sensor
8
0
29
Optional temperature sensor
16
0
30
Circuit 1 discharge pressure
32
0
31
Circuit 1 suction pressure
64
0
32
Circuit 1 suction temperature
128
0
Group Alarms 33 to 40
No.
Description
Bit
mask
Default
33
Static air pressure
1
0
34
Differential air pressure
2
0
35
Dewpoint
4
0
36
Airspeed
8
0
37
Reserved
16
0
38
Reserved
32
0
39
Reserved
64
0
40
Reserved
128
0
Group Status Off
1 2 3 4 5 6 7 8
C
5 6 7 8 9 0 1 2
T
Factory>Group>Group Status (Screen 7)
The next screen, Factory>Group Screen 7, provides an overview of pLAN work group.
Display
Description
Variables
Default
Group Status
Indicates if multiple A/C unit grouping is enabled.
On
Off
0
C 1 2 3 4 5 6 7 8
Indicates the address (1-8) of each controller in the
pLAN.
1
T 5 6 7 8 9 0 1 2
Indicates the address (25-32) of the terminal for
each controller in the pLAN. The terminal address
numbers range from 25 to 32 but only the last digit
appears in the screen.
32
There are several automatic crossover signals that will
cause a switch over from Unit Active to Unit Off. They
are the occurrence of a remote shutdown command,
unit shutdown from a group alarm or BMS command,
fi re/smoke detection, loss of all cooling (all compressors
or all CW valves) or loss of airfl ow.
4-41