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"Oil-Less" Scroll Laboratory Air
Appendix C: TotalAlert Embedded Control System
C.2.6 5.7" Dryer Screen (If Equipped)
Figure C.8 Dryer Screen
The dryer screen (Figure C.8) shows the operation
mode of the dryer(s) and which tower is online if
the "Status" mode is selected:
•
The default view when the dryer screen is
selected shows both dryer operation modes. If
only one dryer is installed on the system, only
the left "Dryer 1" is visible.
•
The operation modes for the dryer: Automatic
(Green and dew point purge controlled), Off
(Red and not running), Manual (Green and
timer controlled).
•
If there are no dryers on the system, this screen
is not available.
•
When the Status button "i" is selected, the
view on the dryer section changes to an image
depicting the dryer. The arrows on the tower
and the purge muffl er indicate which tower
is online (green arrow pointing down) and
which tower is offl ine (no arrow or blue arrow
pointing up).
The blue arrow pointing up
on the tower indicates that tower is purging.
The two blue arrows on the purge muffl er
also indicate the dryer is purging. Once the
purge cycle is complete and the dryer is ready
to switch (based on dewpoint in automatic
mode), the blue arrows are not visible.
C.2.7 5.7" Service Screen
Figure C.9 Service Screen
The service screen (Figure C.9) allows the selection
of various sub screens along with the current
ambient temperature at the system:
•
Maintenance – Additional multiple screens
depicting suggested and required maintenance
items
with
maintenance is due, both the maintenance
button and the service icon on the tool bar
turn red instead of blue.
•
Diagnostic - Depicts the I/O status of the
connecting unit controller board. For example,
the digital inputs (X1-X7 as 0 or 1), the analog
readings (T1-T2, I1-I4, P1-P2 and V1-V2 with
A/D values), the 24VDC powered digital
outputs (Z1-Z2 as 0 or 1) and the dry contacts
(Y1-Y12 as 0 or 1).
•
Version – Displays the RS485 communication
version, fi rmware versions for the 5.7 display
board and the connecting controller board.
•
Testing – Allows for test mode of all alarm
events. See Section C.5 for more information.
•
Temperatures – Display the current ambient
temperature
temperature (optional). When the button is
pressed, the trend information is available for
these temperatures.
C-5
resettable
timers.
and
the
current
4107 9006 25.11
When
cabinet
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Troubleshooting
