Installation and Maintenance Manual

Controls
44 RTAE-SVX001B-EN
Main Display Area/Home Screen
All screens appear within the main display area (shown as
location in Table 30).
Home screen: Chiller status information
The home screen (Table 30) provides the most frequently
needed chiller status information on “touch targets” (the
entire white rectangular areas) for each chiller component.
Touching any touch target displays a screen containing
more chiller status information related to each
component.
Viewing Chiller Operating Modes
On the Reports screen, touch Chiller Operating Modes to
view the current operating status of the chiller in terms of
the top-level operating mode and submodes.
Note: You can also access the Chiller Operating Modes
screen from the chiller status button in the upper
left corner of the screen.
Figure 30. Main screen
Table 23. Main screen items
Description Resolution Units
Active Chilled Water Setpoint X.X °F /°C
Active Current Limit Setpoint X.X %RLA
Average Motor Current %RLA X.X %RLA
Evap Entering/Leaving Water Temp X.X °F /°C
Cond Entering/Leaving Water Temp X.X °F /°C
Frequency Command X.X Hz
Evaporator Water Flow Status X.X
Condenser Water Flow Status
Figure 31. Chiller operating modes
Table 24. Operating modes
Chiller Modes Description
MP Resetting
Stopped
The chiller is not running and cannot run without intervention. Further information is provided
by the sub-mode:
Local Stop Chiller is stopped by TD7 Stop button command– cannot be remotely overridden.
Immediate Stop
Chiller is stopped by the TD7 Panic Stop (by pressing Stop button twice in succession) – previous shutdown
was manually commanded to shutdown immediately without a run-unload or pumpdown cycle - cannot
be remotely overridden.
Diagnostic Shutdown – Manual Reset The chiller is stopped by a diagnostic that requires manual intervention to reset.
Run Inhibit
The chiller is currently being inhibited from starting (and running*), but may be allowed to start
if the inhibiting or diagnostic condition is cleared. Further information is provided by the sub-
mode:
Diagnostic Shutdown – Auto Reset The entire chiller is stopped by a diagnostic that may automatically clear.