Trane TCONT 800 Series, Инструкция по установке, эксплуатации и обслуживанию

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50 BAS-SVX080B-EN
– All components have been commanded OFF or CLOSED.
– The supply fan proving logic indicates a no-flow condition has existed for 40 continuous
seconds.
• When the user removes the unit from active Supply Fan VFD Bypass Mode at the display, all
of the following will be enforced:
– The Supply Fan Bypass Relay will remain OFF.
– For Multi Zone – VAV units the VAV Box Relay will be commanded OFF (de-energized) to
indicate normal airflow mode to the system, and the VAV Box Stroke Time will count
down.
–
Once the above conditions have been satisfied the user will be allowed to request Unit
Auto Mode at the display.
• At all times when the unit is not in an active Supply Fan VFD Bypass Mode, the Supply Fan
Bypass Relay will be commanded OFF (de-energized).
Ventilation Override (if configured)
Allows modification and locking of Ventilation Override Modes.
Table 12. Ventilation override modes
Value
Settings (Factory
Default)
Description
VOM A Supply Fan Off (Off, On) Factory Default Settings - Unit Off
VOM A Supply Fan
Speed
Min (Min, Max, Auto)
VOM A Relief Fan/
Dampers Off/Closed (Off/Closed,
On/Open)
All components are commanded off and closed.
VOM A Outdoor Air
Damper
Closed (Closed, Open)
VOM A VAV Box Relay
De-energized (De-
energized, Energized)
VOM A Ventilation
Override Relay De-energized (De-
energized, Energized)
VOM A Lock
Not Locked (Not
Locked, Locked)
VOM A has highest priority, will override B, C, D, and E.
VOM B Supply Fan On (Off, On) Factory Default Settings - Pressurize
VOM B Supply Fan
Speed
Max (Min, Max, Auto)
VOM B Relief Fan/
Dampers Off/Closed (Off/Closed,
On/Open)
Over pressurizes the space to prevent air infiltration from
VOM B Outdoor Air
Damper
Open (Closed, Open) outside the space.
VOM B VAV Box Relay
Energized (De-
energized, Energized)
VOM B Ventilation
Override Relay Energized (De-
energized, Energized)
VOM B Lock
Not Locked (Not
Locked, Locked)
VOM B has higher priority than C, D, and E.
VOM C Supply Fan Off (Off, On) Factory Default Settings - Relief
VOM C Supply Fan
Speed
Min (Min, Max, Auto)
VOM C Relief Fan/
Dampers On/Open (Off/Closed,
On/Open)
Performs an exhaust function to remove air from the space.
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