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
Summary of Contents for OPN-VVTZC
Page 2: ......
Page 27: ...VVT Zone Controller 23 Single duct 2 position hot water Single duct modulating hot water...
Page 79: ......