
24
To restart the dilution cycle, press the
Stop
key. To reenter
the auto mode press
Auto
. If the leaving water temperature
does not exceed the differential to start, the machine will
finish dilution and remain in standby until the water
temperature requires a restart. The “Auto waiting need to
cool” is now displayed on the CLD. If the leaving water
temperature is greater than differential to start, then the
restart auto sequence will occur.
When the
Auto
or
Stop
key is pressed the display will go to
the first display of the Chiller Report indicating the current
operating mode.
Using Group Menus
1. Select one of the group keys labeled
Chiller, Cycle
, or
Purge-Pump that
contain preformatted reports menus.
Pressing Custom Report will bring up its header display,
however; there may not be any items within this group at
this time. They can be operator selected from the other
menus in the top row of the LCD. Pressing Operator
Settings, Service Settings, Service
Tests, or Diagnostics
will bring up its header display. See the operator interface
overview for a listing of display headers and the menu
items.
2) While scrolling through the displays within each group
menu, press the
Next
key to advance, or press the
Previous
key to backup. To quickly go to the last menu item, press
the
Previous
key at the display header.
To Create the Custom Report:
1. Go to one of the Report Groups (Chiller, Cycle, and
Pump/Purge) and select the desired menu item to add to
the Custom Report.
2. Press the
(+)
key. The item is now entered into the
Custom Report group.
3. To add another item repeat steps 1 and 2.
4. Up to twenty items can be entered into the Custom
Report group. When there are twenty items in the report
no more can be added until one is removed.
5. To remove an item from the Custom Report, press the (-)
key, while it is displayed.
To Change Settings
1. Press the appropriate settings group key.
2. Press the
Next
key at the header display.
3. Enter password if required (see page 60).
4. Use the
Next or Previous
keys to bring up the item to be
changed.
5. When the item to be changed is on the display, press the
(+)(-)
to bring up the new value.
6. Press
Enter
to enter the new value. Press
Cancel
to keep
the previous value.
To Reset the Chiller
1. Press the
Diagnostics
group key.
2. The
Diagnostics
display header will be shown. Press the
Next
key.
3. Enter password if required
4. View all active diagnostics displayed. Investigate and
correct the problem that caused the shut down, before
proceeding to restart the chiller.
5. To reset the chiller press
Next
until the diagnostics
clearing display stating “Press
(Enter)
to clear all
diagnostics and reset system” is displayed. Press
Enter
.
With the diagnostic cleared, the chiller will return to the
operational mode that was interrupted by the diagnostic.
The chiller must not be reset until the diagnostic condition
is addressed, and corrected. If required, contact the local
Trane service agency for assistance.
6. The
chiller will restart if “auto” operation was
interrupted and the differential to start set point
is satisfied
.
If machine shutdown is desired, press stop. This prevents a
machine start when the control is reset.
To Change Setpoint
1. Press Operator settings key.
2. Use the
Next
key to advance to the “Front Panel Chilled
Water Setpoint.
3. Using the
+ or -
keys change the setpoint as desired.
Press
Enter
.
Purging
The purge operation mode is normally set to “ON“ mode.
While in ON, purging will occur during machine auto and
stop modes of operation. To check or set to mode: