Trane SCWM Installation, Operation And Maintenance Manual page 88

D D i i a a g g n n o o s s t t i i c c s s
Table 33. General unit warning (continued)
HVAC Service Required.
Condenser Water Leaving Temperature (In Fault)
Notification Class
HVAC Service Required.
Condenser Tee Strainer High Pressure (In Fault)
Notification Class
HVAC Service Required.
Tee Strainer Low Pressure (In Fault)
88
Only affects the Water The Pressure sensor is
Side Economizer, if reading either above is
installed, from operating maximum value or below
until this sensor is in a is minimum value,
Normal State. resulting in a Fault
Condition after 3 point
updates.
Action
Only affects the Water The Pressure sensor is
Side Economizer, if reading either above is
installed, from operating maximum value or below
until this sensor is in a is minimum value,
Normal State. resulting in a Fault
Condition after 3 point
updates.
Action
Affects the alarm for Dirty The Pressure sensor is
Strainer, preventing alarm reading either above is
from working properly. maximum value or below
is minimum value,
resulting in a Fault
Condition after 3 point
updates.
• 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
• 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.
None, alarm clears once
sensor is in a normal
state.
Reset Required
None, alarm clears once
sensor is in a normal
state.
Reset Required
None, alarm clears once
sensor is in a normal
state.
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