Trane Manhattan Gen II Installation, Operation And Maintenance Manual page 28

Operating Procedures
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Figure 14. Cooling / heating setpoint
6 - Controlled Temperature Reading
7 - System Temperature Sensors Reading
Based on chilled water entering / leaving temperatures for
Cooling Mode and hot water temperatures entering /
leaving for Heating Mode.
8 - System Status
Possible Options:
• System ON. System is not off by any of the
conditions below.
• Phase Alarm. System is off by Phase Alarm if
common Phase Monitor is used per chiller.
• No Evap Flow. System is off by absence of
Evaporator Flow. It applies if chiller is running in
Constant Flow.
• No Cond Flow. System is off by absence of
Condenser Flow. It applies if chiller is running in
Constant Flow.
• OFF by DI. System is off by opened state of Client
PLC DI1 if corresponding option applies.
• OFF by Switch. System is off by software switch. It
can be turned on / off either from Home Screen
(button marked 11 on figure 1), which all users have
access to. It can also be turned on / off from BAS
(Building Automation System).
9 - System Mode
Indicates chiller thermal mode: Cooling or Heating.
10 - Module /Compressor Status
• Modules Avail/Setup. Number of modules available
for Client/Server temperature control and number
of modules set up for Client/Server temperature
control.
• Modules Online. Number of chiller modules
currently communicating with Client PLC including
Client Module.
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• Comp Run / Avail. Number of compressors
currently running and number of compressors
available for Client/Server temperature control. Bar
graph showing this ratio available as well.
• Comp Demand. Cooling or Heating Demand value
in number of requested compressors as well as
continuous value in %. There is also a bar graph
representation of Cooling or Heating Demand
beside the % value.
11 - Power On/Off
Press and hold this button to toggle the software switch
which powers the chiller (and all its modules) on and off.
12 - Module Access
The module access buttons display the overview screen
for each module. These buttons provide access to all chiller
modules screens individually. The number on the Mx
button stands for the module number in the chiller. Only
modules that communicate directly with the touchscreen
interface are viewable via the module access buttons.
13 - Date/Time
Current HMI date / time as set up in HMI system settings.
ARTC-SVX002A-EN