Vma Dual Duct Application Wiring Diagram - Johnson Controls VMA1400 Series Manual

30
Mounting and Wiring VMA1400 Series Controllers Technical Bulletin

VMA Dual Duct Application Wiring Diagram

M9104-AGS-2N
(Actuator and Pressure Sensor)
Pressure Tubes
Hot Air
from AHU
(Air Handling Unit)
Flow Pickup
Damper
Cold Air
from AHU
AP-VMA1420-0
(Actuator, Pressure
Sensor, and Controller)
Figures 16 and 17 are wiring diagrams for dual duct applications.
Zone Temperature Sensor to
VMA AI1 (26), COM (27)
Figure 16: VMA Dual Duct Wiring Diagram
Connections to/from
Main Controller (VMA) to
Actuator/Sensor (M9104)
(See detail in Figure 17.)
Dual Duct
Mixing Box
Zone
Discharge Air Temperature to
VMA AI4 (31), COM (32)
Mixed Air
to Zone
dualductap