Emerson EC2-552 - Set Point Management

OI_EC2-XC645CX_A1_A2L_A3_EN_Rev01_866933.docx EC2-XC645CX 15/54
8.3 Icons
LED FUNCTION MEANING
ON
Celsius degrees
ON
Fahrenheit degrees
bar
ON
bar displaying
PSI
ON
PSI displaying
kPa
ON
KPA displaying
ON
Digital scroll compressor (DGS) on
Flashing
DGS is waiting to start (1HZ) or digital input alarm for DGS (2Hz).
or DGS in maintenance status (2Hz).
ON
Load 2 on
Flashing
Load 2 is waiting to start (1HZ). or digital input alarm for Load 2 (2Hz).
or Load 2 in maintenance status (2Hz).
ON
Load 3 on
Flashing
Load 3 is waiting to start (1HZ). or digital input alarm for Load 3 (2Hz).
o Load 3 in maintenance status (2Hz).
ON
Load 4 on
Flashing
Load 4 is waiting to start (1HZ). or digital input alarm for Load 4 (2Hz).
o Load 4 in maintenance status (2Hz).
ON
Load 6 on
Flashing
Load 6 is waiting to start (1HZ). or digital input alarm for Load 6 (2Hz).
o Load 6 in maintenance status (2Hz).
ON
The valve of the Digital scroll compressor is energized
ON
The Maintenance menu has been entered
Flashing
One or more loads have been placed in maintenance status
LP
ON
Low pressure switch alarm
HP
ON
High pressure switch alarm
ON
Alarm is happening
ON
All the stored alarms have been seen.
Flashing
A new alarm has happened
HOW TO SEE AND MODIFY THE SET POINT(S)
9.1 How to see the set point of compressors and/or fans
If the controller is managing both compressors and fans, both the set points are displayed in
sequence, otherwise only the set point of the enabled section will be displayed.
PROCEDURE
1. Push and release the SET key;
2. The Lower display will show the “SEtC” label, the Upper display will show its value.
3. To see the fan set point, push again the SET key.
4. The Lower display will show the “SEtF” label, the Upper display will show the fan set point.
EXIT: Push the SET key or wait for 30 without pressing any keys.