11
Scroll Enclosure Air Compressors
Items
Display
Explanation
Maximum
Pressure
Shows Max. Set Pressure in psig.
(This display means 116 psig.)*
Minimum
Pressure
Shows Min. Set Pressure in psig.
(This display means 93 psig.)
Time to
change
Operating Air
End
Shows Time to Change Operating Air End and prevents the same air end from operating
for a long time. 1 on display means 15 minutes. (This display means 2 x 15 minutes - 30
minutes.)
External
Operation
means that external operation is set.
means that external operation is canceled.
(When either displays, it can be changed by pushing reset switch.)
External
Output
Shows set situation of external output.
displays when emergency stop occurs.
displays when emergency stop or caution occurs.
(When either displays, it can be changed by pushing reset switch.)
Maintenance
Time 1
Shows remaining time until intermediate maintenance and inspection in terms of 10
hours. The fi rst fi gure is 980 (480 for high pressure models) and decreases as operating
time becomes longer.
Group
Control
Shows set situation of Group Control.
means that Group Control mode OFF is set.
means that Group Control mode ON is set.
* If Group control mode ON is set, ON/ OFF button does not work.
(When either displays, it can be changed by pushing reset switch.)
Chart 8 - Set Mode
Operating Panel (Continued)
Items
Display
Explanation
Maintenance
time 1
Shows remaining time until next maintenance and inspection in x10 hrs. (calculated in
the same fashion with operating time).
It will start at 980 (9800 hrs.) and continue to decrease as the unit is being operated.
Maintenance
time 2
Standard unit does not have this function.
Becomes effective when Early Caution maintenance connector is used (see page 10).
Shows remaining time until scheduled maintenance and inspection.
Running time
Running time records the number of hours during which any or the pump on the system
is running (This display means 860 operating hours).
Chart 9 - Time Mode