Trane IntelliPak with Symbio 800 Programming Manual page 36

TD7 Display
Table 7.
Unit
Heat Turn Down Limited Manf 1
Idle
Table 8.
Unit
Top Level Mode
Running
Running Sub Modes
Cool
Cool - Dehumidification
Cool – Economizing
Cool - Economizing + DX
Cool - Tempering
Daytime Warm up
Demand Control Ventilation (DCV)
Demand Limit
Emergency Override Mode X
External Relief Fan Control
External Supply Fan Control
Fan Only
Heat
Max Heat
36
Unit operation - top level mode - auto (continued)
Unit operation - top level mode - running
Description
Flame loss at low fire results in an auto-adjustment that limits the
burner turn down during the rest of the current call for heat (due to Lost
Flame Auto-Adaptation).
Modulating Gas Heat only.
VVZT, CVZT Units: Occupied/Bypass/Standby, Heat Cool Mode = Heat
or Cool, supply fan mode is cycling, capacity is 0%, and supply fan is off.
VVDA, CVDA Units: Auto operation has been requested but the fan is
off due to internal fan-off delays, or the fan has started, but airflow has
not yet proven.
Description
The unit's supply fan is proven and running. Capacity
control can be active or inactive.
Description
DX or economizer cooling is active, Heat Cool Mode Status
= Cool
Heat Cool Mode Status = Cool and Dehumidification
Control Status > 0%.
Cooling Capacity Status = 0%
Heat Cool Mode Status = Cool, Economizer System Status
= True, Outdoor Air Damper > minimum position setpoint
or OA flow position setpoint.
Cooling Capacity Status > 0%
Heat Cool Mode Status = Cool, Economizer System Status
= True, Outdoor Air Damper > minimum position setpoint
or flow position setpoint.
VVDA/CVDA units
Heat Cool Mode Status = Cool and Supply Air Tempering
Status = True
VVDA/CVDA units
Daytime Warmup is active. Daytime Warmup Active =
True; Heat Cool Mode Status = Heat or Max Heat; Heat Cool
Mode Request = Cool
Supply fan proven On, Feature Installed/Enabled, CO2 <
Design CO2 Setpoint, Not actively in an Economizing mode.
Demand Limit Request BAS is set to true and the unit is
actively holding or unloading heating or cooling staging to
meet Demand Limit requirements
Emergency Override Mode is active. Where X = Pressurize,
Depressurize, Purge, Shutdown, or Fire
External control of the relief fan is active.
External control of the supply fan is active.
Only a sub mode when commanded via Heat Cool Mode
Request = Fan Only. Heat Cool Mode Status = Fan Only
Heat Cool Mode Request = Heat
Morning Warmup Active = False
Heat Cool Mode Request = Max Heat
RT-SVP011E-EN