VMA1400 Series Overview and Engineering Guidelines Technical Bulletin 5
VMA Features (Cont.) 1410 1420 1430 Comments
Commissioning
Balancing Tool with Automatic
Pickup Gain Calculation
Y Y Y HVAC PRO software (single duct
only) or VMA Balancing Tool
(VBT) software on Zone Bus
Hardware
24 Volts Alternating Current (VAC)
Isolation Built-in
Y Y Y Eliminates 24 to 24 VAC
transformer and polarity concerns
Multiple VMAs per 100 VA
Transformer
Y Y Y Ten cooling only (VMA1410) or
14 VMA1430s. Reheat/fan unit
depends on valve/fan relays
Isolated N2, Binary Outputs, and
24 VAC
Y Y Y Saves installed cost and improves
electrical noise rejection
Ability to Drive Low Current Relays
Down to 25 milliampere (mA)
N Y Y Eliminates relay chatter
15 Bit Analog Input/12 Bit Analog
Output Resolution
AI
only
Y Y Provides improved control device
resolution
Analog Input Jumpers Eliminated
Y Y Y Reduces labor because all analog
inputs are preset
Differential Pressure Transducer
Dead Ended Transducer
Y Y Y Requires no filters or maintenance
Stainless Steel Capacitive
Technology
Y Y Y Provides improved stability
Industry Accepted Flow
Measurement Accuracy
Y Y Y Provides stability below 1 m/s
(200 fpm)
Temperature Sensors
Variety of Sensors
Y Y Y Nickel, 1 K platinum, silicon,
2.25K NTC
Temporary Occupied Button
Y Y Y On TE-6700, TE-7000 (Europe
only), and TMZ1600 Series room
sensors
Temporary Occupied Light-Emitting
Diode (LED)
Y Y Y On TE-6700, TE-7000 (Europe
only), or TMZ1600 for timed
override (Temporary Occupied)
LED Indicator for N2/Power
Y Y Y Verifies N2 and power
connections
Physical
Small, One Piece Assembly:
VMA1410, VMA1420
152.4 x 101.6 x 101.6 mm
(6 x 4 x 4 in.)
VMA1430
152.4 x 101.6 x 82.6 mm
(6 x 4 x 3.25 in.)
Y Y Y Reduces installation cost
Plenum Plastic Housing Rating
Y Y Y Underwriters Laboratories®, Inc.
(UL) 94-5VB plenum flammability
eliminates metal box
Removable I/O Screw Terminals
Y Y Y Two or three position accessories
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