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Appendix B: VVT terminal modes
Appendix B: VVT terminal modes
Air Source
Temperature
Mode
Control
Requirements
Off
None
Cooling
Heating
Vent
None
Cooling
Heating
Cool or Freecool None
Cooling
Heating
TruVu™ VVTZC-E2
Installation and Start-up Guide
Terminal Type Aux
Terminal
Heat
Mode
All
N/A
Off
All
N/A
Off
Single Duct
N/A
Off
Series or
No
Off
Parallel Fan
Series Fan
Yes
Heating
Parallel Fan
Yes
Heating
Single Duct
N/A
Vent
Series Fan
N/A
Vent
Parallel Fan
N/A
Vent
Single Duct
N/A
Cooling
Series Fan
N/A
Cooling
Parallel Fan
N/A
Cooling
Single Duct,
No
Cooling
Parallel Fan
Series Fan
No
Heating
Single Duct
Yes
Reheat
Series or
Yes
Heating
Parallel Fan
Single Duct
N/A
Vent
Series Fan
N/A
Vent
Parallel Fan
N/A
Vent
Single Duct
N/A
Cooling
Series Fan
N/A
Cooling
Parallel Fan
N/A
Cooling
Single Duct,
No
Heating
Parallel Fan
Series Fan
No
Heating
Single Duct
Yes
Reheat
Series or
Yes
Heating
Parallel Fan
130
Damper Control (Damper
Setpoint used)
Hold Damper @65% (None)
Hold Damper @65% (None)
Hold Damper @65% (None)
Hold Damper @65% (None)
Hold Damper @65% (None)
Close Damper (None)
Vent Damper Position (Vent) Disable
Vent Damper Position (Vent) Disable
Vent Damper Position (Vent) Disable
Modulate Damper Position
(Cool)
Modulate Damper Position
(Cool)
Modulate Damper Position
(Cool)
Minimum Damper Position
(Cool)
Minimum Damper Position
(Cool)
Minimum Damper Position
Minimum Damper Position
(Cool)
Minimum Damper Position
(Cool)
Minimum Damper Position
(Cool)
Minimum Damper Position
(Cool)
Modulate Damper Position
(Cool)
Modulate Damper Position
(Cool)
Modulate Damper Position
(Cool)
Minimum Damper Position
(Cool)
Minimum Damper Position
(Cool)
Minimum Damper Position
Minimum Damper Position
(Cool)
Heat
Fan
Control
Control
Disable
Disable
Disable
Disable
Disable
N/A
Disable
Disable
Enable
Enable
Enable
Enable
N/A
Enable
Disable
Disable
N/A
Disable
Enable
Disable
Disable
Disable
Disable
Disable
Enable
Enable
N/A
Enable
Enable
Disable
N/A
Disable
Enable
Disable
Disable
Disable
N/A
Enable
Enable
Disable
Disable
Disable
Disable
Disable
Enable
Enable
N/A
Enable
Enable
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