Trane Tracer AH540 Setup And Operation page 87

Table 38. Outdoor air damper configuration
Parameter
Economizer control
Economizer temperature (dry bulb)
Occupied minimum position
Occupied standby minimum position
Low ambient lockout setpoint
3
Ramp time
1 Occupied standby minimum damper position only applies to space temperature control operation.
2 This is the outdoor air temperature below which the outdoor air damper will always be closed.
3 Adjustable open time for the outdoor air damper to open from 0% to minimum position.
Table 39. DX cooling configuration
Parameter
Ambient lockout setpoint
Discharge low limit setpoint
3
Coil defrost setpoint
Compressor minimum On timer
Compressor minimum Off timer
1 If outdoor air temperature is less than the compressor lockout temperature DX cooling is disabled.
2 If discharge air temperature is less than this setpoint the controller will start reducing DX cooling capacity.
3 When the universal analog input is configured for evaporator refrigerant temperature, and applied to the suction line of a
split DX system; if the evaporator refrigerant temperature is below the defrost setpoint the controller will reduce DX cooling
capacity.
CNT-SVX05B-EN
1
2
Valid range
1 -40 to 122ºF (-40 to 50ºC)
2 32 to 122ºF (0 to 15ºC)
20 to 40ºF (-6.67 to 4.44ºC)
3 to 20 minutes
3 to 20 minutes
Table 40. Dehumidification control configuration
Parameter
Occupied space RH setpoint
Occupied space RH offset
Unoccupied space RH setpoint
Unoccupied space RH offset
Reheat stages allowed
1 Setting the occupied space RH setpoint to 0% disables occupied dehumidification con-
trol; likewise, setting the unoccupied space RH setpoint to 0% disables unoccupied
dehumidification control.
2 The space RH offset value is subtracted from the space RH setpoint to determine the
dehumidification control termination setpoint.
3 Number of electric heat stages allowed for dehumidification control.
Valid range
Enable or disable
32°F to 122°F (0°C to 50°C)
0 to 100%
0 to 100%
-40°F to 32°F (-40°C to 0°C)
0–30 minutes
Valid range
1 0–100%
2 0–100%
1 0–100%
2 0–100%
0–6 stages
3
Configuration
Default value
Enable or disable
50°F (10°C)
15%
10%
-20°F (-28.9°C)
5 minutes
Default value
50ºF (10ºC)
45ºF (7.22ºC)
30ºF (-1.11ºC)
3 minutes
3 minutes
Default value
60%
10%
60%
10%
6
(all stages available)
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