Ventilation Override Mode C - (Exhaust); Ventilation Override Mode D- (Purge); Ventilation Override Mode E- (Purge With Duct Pressure Control); Emergency Override Definitions (With Lci Or Bci Module Installed) - Trane IntelliPak I Programming, Troubleshooting Manual

System Programming SETUP

Ventilation Override Mode C - (Exhaust)

Supply Fan - Off
Inlet Vanes - Closed (if equipped)
Return Fan/Exhaust Damper - On/Open (if equipped)
Return Fan VFD - Max
OA Dampers - Closed
Heat - All heat stages Off (staged gas and elec.), Hydronic heat & Mod Gas Heat output
at 0%.
Occupied/Unoccupied output-Deenergized
VO Relay-Energized
VCM Preheater State - Off (with VCM installed)

Ventilation Override Mode D- (Purge)

Supply Fan - On
Inlet Vanes / VFD - Open/100%
Return Fan VFD - Max
Return Fan/Exhaust Damper - On/Open (if equipped)
OA Dampers - Open
Heat - All heat stages Off (staged gas and elec.), Hydronic heat & Mod Gas Heat output
at 0%.
Occupied/Unoccupied output-energized
VO Relay - Energized
VCM Preheater State - Off (with VCM installed)

Ventilation Override Mode E- (Purge with Duct Pressure Control)

Supply Fan - On
Return Fan VFD - Max
Inlet Vanes / VFD - Open/100% (Controlled by SA Pressure Control function, SA Pressure
High Limit is disabled)
Return Fan/Exhaust Damper - On/Open (if equipped)
OA Dampers - Open
Heat - All heat stages Off (staged gas and elec.), Hydronic heat & Mod Gas Heat output
at 0%.
Occupied/Unoccupied output - Energized
VO Relay - Energized
VCM Preheater State - Off (with VCM installed)
"OFF" - will appear in the Ventilation Override screen after all VOM binary inputs have
been reset (opened).

Emergency Override Definitions (with LCI or BCI module installed)

When an LCI or BCI module is installed, the user can initiate one of five (5) Emergency
Override sequences that have the following predefined unit operation via LonTalk or
BACnet Communication:
RT-SVP04F-EN 67