Trane IntelliPak I - Ventilation Override Definitions (with vom Installed); Ventilation Override Mode a - (Unit Off); Ventilation Override Mode B - (Pressurize)

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System Programming SETUP
Ventilation Override Definitions (with VOM installed)
Each of the five VOM modes have factory presets, that when initiated by a VOM contact
closure, will accomplish five predefined operations (listed below). Any of the five
sequences may be user-redefined by changing the factory presets at the unit mounted
Human Interface or through Tracer.
Ventilation Override Mode A - (Unit Off)
Supply Fan - Off
Inlet Vanes / VFD - Closed/0%
Return Fan VFD - Min
Return Fan/Exhaust Damper - Off/Closed (if equipped)
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 B - (Pressurize)
Supply Fan - On
Inlet Vanes / VFD - Open/100%
Return Fan VFD - Min
Return Fan/Exhaust Damper - Off/Closed (if equipped)
OA Dampers - Open
Heat - All heat stages Off (staged gas & elec.), Hydronic heat & Mod Gas Heat output at
0%.
Occupied/Unoccupied output-Energized
VO Relay-Energized
VCM Preheater State - Off (with VCM installed)
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