VMA1400 Series Overview and Engineering Guidelines Technical Bulletin 21
Single Duct Supply/Exhaust Application Example
Table 10 illustrates the selections made through HVAC PRO software
for this example.
Table 10: Example Questions
HVAC PRO Software Questions Configuration Selections
Control Strategy
Pressure Independent, Supply/Exhaust
Supply Actuator
VMA Integrated Actuator
Fan Type
None
Exhaust Actuator (DA2)
Position Adjust Output (3-wire/floating)
Box Heat Type (VA1)
Analog Output
Baseboard Heat Type
None
Lighting Integration
None
Supply Air to Zone
Exhaust Air
C1
TE1
DA1
DPT1
DA2
DPT2
from Zone
H
T
G
VA1
supplyexh
Figure 7: Single Duct Supply/Exhaust Example Mechanical Flow Diagram
Table 11: Example Bill of Materials
Component Description Part Number
C1, DPT1, DA1
VMA AP-VMA1420-0
DPT2, DA2
External Actuator and Velocity
Pressure Sensor
M9104-AGS-2N
VA1
Value Actuator Box Heat VA-8020-1
TE1
Temperature Sensor and Setpoint TE-6700 Series