Resetting Diagnostics; Diagnostics - Trane UniTrane Installation Operation & Maintenance

Table 43. TUC Controller Diagnostics
Diagnostic Latching?
Dirty filter Yes
Condensate Yes
overflow
Supply fan Yes
failure (if
configured as
alarm = yes)
Supply fan Yes
failure (if
configured as
alarm = no)
Low coil Yes
entering air
temp
Notes:
1. Use a normally open hot water valve with the low coil entering air temperature sensor.
2. Use a normally closed chilled water valve with the condensate overflow sensor.
Resetting

Diagnostics

Using the Zone Sensor
Using
™
Everyware Software
UNT-IOM-6
Diagnostics
Fan Valves
No Action No Action
Off Closed
Off Closed
No Action No Action
Off Open
There are five ways in which diagnostics are reset:
1. Using the zone sensor
2. Using Everyware™, Trane's TUC service tool
3. By cycling power to the TUC
4. Through Tracer 100i ™ or 100L ™
5. Through Tracer Summit
Using the zone sensor's fan mode switch to reset diagnostics, slide
the fan mode switch to the off position. Then return the switch back to
any position except off.
Connect to the communications terminal with a laptop computer
loaded with Everyware ™ software. Log on and reset the diagnostics
from the diagnostic page of the TUC configuration screens. To view
the diagnostics prior to resetting, press the ENTER key while in the
status section of the service summary screens.
Terminal Unit
Control (TUC)
Elect. Heat Damper
No Action No Action
Off Closed
Off Closed
No Action No Action
Off Closed
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