Altronic DE-2500 - Advanced Capacity Control Features; Load Inhibit and Force Unload Conditions; Manual Override for Capacity Control

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9.6 (continued)
By programming limits on the secondary control channels, further loading of the compressor
can be inhibited until the conditions return to the desired range. Additionally, the option of
forcing an unloading of the compressor can also be selected. The control home screen will
display the override action and the channel number of the responsible input. The capacity
control home screen displays which will appear are shown below. For more detail on primary
and secondary controller options see section 22.
LOAD INHIBIT
CAPACITY: AUTO
LOAD INHIBIT-34 95%
CHAN 31 11.0 PSIA
SUCTION PRESSURE
Indicates that further loading of the compressor is being inhibited by a secondary control
function assigned to channel 34.
FORCED UNLOAD
CAPACITY: AUTO
FORCE UNLOAD-36 94%
CHAN 31 10.0 PSIA
SUCTION PRESSURE
Indicates that the compressor is being forced to unload due to a secondary control function
assigned to channel 36.
To disable the automatic capacity control and force the controller output to a particular value
press the F1 key. The display will indicate that the unit is in MANUAL and the current value of
the output. Use the UNITS arrow keys to change the value.
F1
press to
change
mode
CAPACITY: MANUAL
HOLD POSITION 94%
CHAN 31 10.0 PSIA
SUCTION PRESSURE

UNITS
press to
change
value