Trane Tracer AH540 - Page 113

Unit operation based on heat/cool mode
CNT-SVX05B-EN 103
Off Any state Off Fan disabled
Heating disabled
Cooling disabled
Damper disabled
Test Any state Determined by controller Fan enabled
Heating enabled
Cooling enabled
Damper enabled
Emergency heat Any state Determined by controller Fan enabled
Heating enabled
Cooling enabled
Damper enabled
Fan only Any state Fan only Fan enabled
Heating disabled
Cooling disabled
Damper disabled
1 Heating capacity can be used to control the discharge air temperature to the discharge air temperature setpoint.
Table 71. Space temperature control operation based on effective heat/cool output (continued)
Application mode input
(nviApplicMode)
Heat/cool mode input
(nviHeatCool)
Effective heat cool mode
output
(nvoHeatCool)
Unit operation
Table 72. Discharge air temperature control operation based on effective heat/cool output
Application
mode input
(nviApplicMode)
Effective heat
cool mode output
(nvoHeatCool)
Application mode
output
(nvoApplicMode)
Unit operation
Auto Determined by controller Determined by controller Fan enabled
Heating enabled
Cooling enabled
Damper enabled
Heat Heat Heat Fan enabled
Heating enabled
Cooling disabled
Damper ventilation enabled
Economizer disabled
Morning warm-up Morning warm-up Heat Fan enabled
Heating enabled
Cooling disabled
Damper disabled
Cool Cool Cool Fan enabled
Heating disabled
1
Cooling enabled
Damper enabled
Night purge Night purge Cool Fan enabled
Heating disabled
Cooling disabled
Damper ventilation disabled
Economizer enabled