Diagnostics - Trane UniTrane Installation Operation & Maintenance

Table 14. Controller Diagnostics
Diagnostic Latching
Yes/No
Auxiliary No
temp. failure
Condensate Yes
overflow
detection
Entering No
water temp.
failure
Fan mode No
failure
Invalid unit Yes
configuration
failure
Low temp. Yes
detection
Maintenance Yes
required
Setpoint No
Zone temp. No
failure
Notes:
Priority Level: Diagnostics are listed in order from highest to lowest priority. The controller senses and
records each diagnostic independently of other diagnostics. It is possible to have multiple diagnostics
present simultaneously. The diagnostics affect unit operation according to priority level.
Latching: A latching diagnostic requires a manual reset of the controller; while a non-latching diagnostic
automatically resets when the input is present and valid.
Enabled: End device is allowed to run if there is a call for it to run.
Disabled: End device is not allowed to run even if there is a call for it to run.
No Action: The diagnostic has no affect on the end device.
50

Diagnostics

Fan Valves
Enabled No action
Off Closed
Enabled Enabled
Enabled Enabled
Disabled Disabled
Off Open
Enabled No action
Enabled No action
Off Closed
®
Tracer
and ZN.510
Elect. Heat Damper
No action No action
Off Closed
Enabled Enabled
Enabled Enabled
Disabled Disabled
Off Closed
No action No action
No action No action
Off Closed
ZN.010
UNT-IOM-6