Trane SCWM Series Installation, Operation And Maintenance Manual page 87

Table 26. General unit warning (continued)
Notification Class
HVAC Service Required.
Condenser Water Entering Temperature (In Fault)
Notification Class
HVAC Service Required.
Condenser Water Leaving Temperature (In Fault)
Notification Class
HVAC Service Required.
Condenser Tee Strainer High Pressure (In Fault)
Notification Class
PKG-SVX027D-EN
Action
No action taken other than to The Condenser Tee
notify end user of condition. differential pressure is
greater than the Condenser
Tee Strainer Diff Pressure
Alarm Setpoint for 1 minute.
Action
Only affects the Water Side The Pressure sensor is
Economizer, if installed, from reading either above is
operating until this sensor is maximum value or below is
in a Normal State. minimum value, resulting in a
Fault Condition after 3 point
updates.
Action
Only affects the Water Side The Pressure sensor is
Economizer, if installed, from reading either above is
operating until this sensor is maximum value or below is
in a Normal State. minimum value, resulting in a
Fault Condition after 3 point
updates.
Action
Typical Causes
Reason
• Failed Pressure sensor.
• Strainer is dirty.
Typical Causes
Reason
• Sensor is not wired
properly: Verify sensor
wiring to the XM
Module.
• XM Module is not
communicating. Ensure
that the XM Module is
up and talking to the
UC600.
• Sensor has failed. Verify
if sensor has any
resistance on it, should
be 8-12k of resistance
on the thermistor.
Typical Causes
Reason
• Sensor is not wired
properly: Verify sensor
wiring to the XM
Module.
• XM Module is not
communicating. Ensure
that the XM Module is
up and talking to the
UC600.
• Sensor has failed. Verify
if sensor has any
resistance on it, should
be 8-12k of resistance
on the thermistor.
Typical Causes
Reason
Diagnostics
Reset Required
Manual Reset required once
the issue is resolved. User
must toggle the Alarm Reset
value.
Reset Required
None, alarm clears once
sensor is in a normal state.
Reset Required
None, alarm clears once
sensor is in a normal state.
Reset Required
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