13-17-613 Page 33
Note:
The
Blowdown Timer
is used primarily in fixed speed compressor operations.
Min Value: 1 second
Max Value: 1200 seconds
Default Value: 600 seconds (fixed speed units with blowdown valve)
5.1.4.2 Blowdown Counter
Accessibility
Maintenance
Distributor
Factory
The next item in the
Timer Setpoints
menu is the
Blowdown Counter
, which is used to control the
number of complete unload/blowdown cycles the compressor will execute. When the
Blowdown
Counter
reaches zero, the compressor will skip the unload state and go directly to the blowdown
state. The
Blowdown Counter
is reset to the programmed value if the compressor returns to the
loaded state from either the unload or blowdown states.
Note
: The
Blowdown Counter
is used primarily in fixed speed compressor operations.
5.1.4.3 Auto Timer
Accessibility
Maintenance
Distributor
Factory
The
Auto Timer
under the
Timer Setpoints
Menu is used to control the amount of time the
compressor will run during the blowdown process.
Min Value: 0 seconds
Max Value: 1800 seconds
Default Value: 600 seconds (fixed speed units)
5.1.4.4 Idle Timer
Accessibility
Maintenance
Distributor
Factory
The next item in the
Timer Setpoints
menu is the
Idle Timer,
which is used to control the blow down
of the air/oil reservoir during long periods of compressor inactivity. If the
Idle Timer
is set to zero,
this feature is disabled.
Min Value: 0 seconds (feature is disabled when set to 0)
Max Value: 7200 seconds
Default Value: 10 seconds (fixed speed units)
5.1.4.5 Remote Halt Mode
Accessibility
Maintenance
Distributor
Factory
The
Remote Halt Mode
function is the next menu item, which controls how the compressor will stop
if a Remote Halt signal is detected on one of the controller
’s digital inputs programmed for this
function. Refer to the appropriate compressor electrical wiring diagram for connection of an external
Remote Halt signal.
·
Timed Unload:
The compressor will stop after the Blowdown and Auto Timers have expired.
·
Immediate:
The compressor will unload and stop immediately just as if the Blowdown and
Auto Timers were set to zero.
Содержание AIRSMART
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