Sequence Drawings
Dual Duct Model SDD and DDT Pneumatic Controls
Dwg. # |
Control Sequence |
Control Characteristics |
T-Stat Type |
Pneumatic Failure State |
Cold
Deck |
Hot
Deck |
|
|
|
|
|
|
|
|
|
|
| Dual Duct Model SDD, Non-Constant Volume Discharge Applications |
|
DD401 |
• |
- |
• |
- |
• |
- |
- |
• |
- |
• |
|
DD402 |
• |
- |
• |
- |
• |
- |
• |
- |
• |
- |
|
DD403 |
• |
• |
- |
• |
• |
- |
- |
• |
- |
• |
|
DD404 |
• |
• |
- |
• |
• |
- |
• |
- |
• |
- |
|
DD405 |
• |
- |
• |
- |
- |
• |
- |
• |
- |
• |
|
DD406 |
• |
- |
• |
- |
- |
• |
• |
- |
• |
- |
|
DD407 |
• |
• |
- |
• |
- |
• |
- |
• |
- |
• |
|
DD408 |
• |
• |
- |
• |
- |
• |
• |
- |
• |
- |
|
DD409 |
• |
• |
• |
• |
• |
- |
- |
• |
• |
- |
|
DD410 |
- |
• |
• |
• |
• |
- |
• |
- |
- |
• |
|
DD411 |
- |
• |
• |
• |
- |
• |
- |
• |
• |
- |
|
DD412 |
• |
• |
• |
• |
- |
• |
• |
- |
- |
• |
Dual Duct Model DDT, Constant Volume Discharge Applications |
|
DT401 |
• |
- |
- |
- |
• |
- |
- |
• |
- |
• |
|
DT402 |
• |
- |
- |
- |
• |
- |
• |
- |
• |
- |
|
DT403 |
• |
- |
- |
- |
- |
• |
- |
• |
- |
• |
|
DT404 |
• |
- |
- |
- |
- |
• |
• |
- |
• |
- |
|
DT405 |
• |
- |
- |
- |
• |
- |
- |
• |
• |
- |
|
DT406 |
• |
- |
- |
- |
• |
- |
• |
- |
- |
• |
|
DT407 |
• |
- |
- |
- |
- |
• |
- |
• |
• |
- |
|
DT408 |
• |
- |
- |
- |
- |
• |
• |
- |
- |
• |
|