Metacentre DCO
Page 21
7. OPERATION
7.1 User Interface
Display:
System Pressure
Compressor Sequence
DCO Started; ON
DCO Running; Active
Keypad:
Start
Stop
Reset
UP (Increment)
DOWN (Decrement)
Enter
7.2 Compressor Identification
Each compressor connected to the DCO will
have a unique assigned compressor
identification number; starting at compressor 1
(C1) increasing sequentially to the number of
compressors connected to the DCO.
1
2
3
T M
DCO
4
7.3 Compressor Sequence:
C1
C2
C3
C4
Compressor sequence assignment is indicated
by letters:
A = Duty
B = First Standby
C = Second Standby
D = Third Standby
The first letter in the sequence is the duty
assignment for compressor 1 (example: C1=A)
and the second letter for compressor 2
(example: C2=B).
The number of letters indicates the number of
compressors in the system.
The assignment will change at each sequence
change (rotation) event or when a manual
rotation is initiated.
7.4 Compressor Status:
The sequence assignment letter also indicates
the compressor status:
dash
Alarm, Not Available
flashing
Off Load
on steady
On Load
7.5 Metacentre DCO Status:
Standby
Started but not active
Running, Active
Alarm, Fault
