Carrier VVT Zone - Page 74

Appendix B: VVT terminal modes
70 VVT Zone Controller
Air Source
Mode
Temperature
Control
Requirements
Terminal Type
Aux
Heat
Terminal
Mode
Damper Control (Damper
Setpoint used)
Heat
Control
Fan
Control
Heat, Warmup None
Single Duct,
Parallel Fan
N/A Heating
Minimum Damper Position
(Heat)
Disable Disable
Series Fan
N/A
Heating
Minimum Damper Position
(Heat)
Disable
Enable
Cooling
Single Duct,
Parallel Fan
N/A Heating
Minimum Damper Position
(Heat)
Disable Disable
Series Fan N/A Heating
Minimum Damper Position
(Heat)
Disable Enable
Heating Single Duct No Heating
Modulate Damper Position
(Heat)
Disable N/A
Single Duct Yes Heating
Modulate Damper Position
(Heat)
Enable N/A
Series or
Parallel Fan
No Heating
Modulate Damper Position
(Heat)
Disable Enable
Series or
Parallel Fan
Yes Heating
Modulate Damper Position
(Heat)
Enable Enable
Pressurization
(Linked air
source only)
None
Single Duct,
Parallel Fan
N/A Pressurize
Maximum Damper Position
(Cool)
Disable Disable
Series Fan N/A Pressurize
Maximum Damper Position
(Cool)
Disable Enable
Cooling
Single Duct,
Parallel Fan
N/A
Pressurize
Maximum Damper Position
(Cool)
Disable
Disable
Series Fan
N/A
Pressurize
Maximum Damper Position
(Cool)
Disable
Enable
Heating
Single Duct,
Parallel Fan
No Pressurize
Maximum Damper Position
(Cool)
Disable Disable
Series Fan No Pressurize
Maximum Damper Position
(Cool)
Disable Enable
Single Duct,
Parallel Fan
Yes Pressurize
Maximum Damper Position
(Cool)
Disable Disable
Series Fan Yes Pressurize
Maximum Damper Position
(Cool)
Disable Enable
Evacuation/
Shutdown
(Linked)
All All N/A Evacuate Close Damper Disable Disable