Carrier VVT Zone - Appendix B: VVT Terminal Modes

VVT Zone Controller 69
Air Source
Mode
Temperature
Control
Requirements
Terminal Type
Aux
Heat
Terminal
Mode
Damper Control (Damper
Setpoint used)
Heat
Control
Fan
Control
Off None All N/A Off Hold Damper @65% (None) Disable Disable
Cooling All N/A Off Hold Damper @65% (None) Disable Disable
Heating Single Duct N/A Off Hold Damper @65% (None) Disable N/A
Series or
Parallel Fan
No Off Hold Damper @65% (None) Disable Disable
Series Fan Yes Heating Hold Damper @65% (None) Enable Enable
Parallel Fan Yes Heating Close Damper (None) Enable Enable
Vent None Single Duct N/A Vent Vent Damper Position (Vent) Disable N/A
Series Fan N/A Vent Vent Damper Position (Vent) Disable Enable
Parallel Fan N/A Vent Vent Damper Position (Vent) Disable Disable
Cooling Single Duct N/A Cooling
Modulate Damper Position
(Cool)
Disable N/A
Series Fan N/A Cooling
Modulate Damper Position
(Cool)
Disable Enable
Parallel Fan N/A Cooling
Modulate Damper Position
(Cool)
Disable Disable
Heating
Single Duct,
Parallel Fan
No
Cooling
Minimum Damper Position
(Cool)
Disable
Disable
Series Fan No Heating
Minimum Damper Position
(Cool)
Disable Enable
Single Duct Yes Reheat Minimum Damper Position Enable N/A
Series or
Parallel Fan
Yes Heating
Minimum Damper Position
(Cool)
Enable Enable
Cool or Freecool None Single Duct N/A Vent
Minimum Damper Position
(Cool)
Disable N/A
Series Fan N/A Vent
Minimum Damper Position
(Cool)
Disable Enable
Parallel Fan N/A Vent
Minimum Damper Position
(Cool)
Disable Disable
Cooling
Single Duct
N/A
Cooling
Modulate Damper Position
(Cool)
Disable
N/A
Series Fan N/A Cooling
Modulate Damper Position
(Cool)
Enable Enable
Parallel Fan
N/A
Cooling
Modulate Damper Position
(Cool)
Disable
Disable
Heating
Single Duct,
Parallel Fan
No Heating
Minimum Damper Position
(Cool)
Disable Disable
Series Fan No Heating
Minimum Damper Position
(Cool)
Disable Enable
Single Duct Yes Reheat Minimum Damper Position Enable N/A
Series or
Parallel Fan
Yes Heating
Minimum Damper Position
(Cool)
Enable Enable
Appendix B: VVT terminal modes