VMA1400 Series Overview and Engineering Guidelines Technical Bulletin 26
Reference Information
VMA Parts List
Table 16: Available VMA Models
Inputs/Outputs Points Rating VMA1410
(Cooling
Only)
VMA1420
(Cooling
w/Reheat)
VMA1430
Analog Inputs
Zone Temperature
AI-1 1 K Ni, Si, or Pt or
2.25 K NTC
Zone Setpoint
AI-2 1.6 K ohm
Potentiometer
Humidity, Dewpoint,
Sideloop, or Velocity
Pressure
AI-3 0-10 VDC
Supply Air Temperature
or Supplemental Heat
Temperature
AI-4 1 K Ni, Si, or Pt or
2.25 K NTC
Velocity Pressure
Internal 0-1.5 in. w.c./
0-374 pa
Binary Inputs
Temporary Occupied/
Standby
BI-1 Dry contact
Occupied
BI-2 Dry contact
Off or Window or
Shutdown
BI-3 Dry contact
Analog Outputs
Proportional Heat
AO-1 0-10 VDC @ 10 mA
AO-2 0-10 VDC @ 10 mA
Binary Outputs
Lights
Fan
BO-1 to
BO-5
24 VAC Triac @
0.5 A each
Box Heat--Valve or 1-3
stage Electric
Supplemental Heat--
Valve or Single Stage
Electric Box Heat
External Damper
Actuator
Stepper Motor with Position
Feedback
Internal 2-phase Stepper
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