Description
Integrated VAV Controller/Actuator/Pressure Sensor (Cooling only), FC Bus, and SA Bus.
VMA16 (16-bit) VAV Modular Assembly controllers are programmable BACnet® Application Specific Controllers (B-ASCs) with RS-485 MS/TP communications. VMA controllers feature an integral 4 N•m damper actuator and differential pressure transducer (DPT) with models for cooling only or cooling with reheat applications and fan control.
The differential pressure transducer (DPT) in the VMA16 (16-bit) controllers provides consistent flow readings with minimal drift and requires minimal auto-zero calibration. There are no filters to change, which helps to ensure very close tolerance to published accuracy.
The VMA16 (16-bit) controllers can be configured for single-duct, dual-duct, and supply/exhaust applications. Note that some of these applications may require an additional actuator and DPT. VMA16 (16-bit) controllers support NS and WRZ Series Communicating Network Sensors for temperature sensing, fan override, and occupancy override control.
Agency listing: this model is UL Listed, File S4977, UUKL 864 - 9th Edition, Smoke Control Equipment.
Specifications
* Brand / Manufacturer: Johnson Controls
* Model / Part Number: MS-VMA1610-0U
* Type: VMA16 (16-bit) VAV Modular Assembly controller with integral actuator and pressure sensor, cooling only, smoke control model
* Points: 1 Universal Input; integrated damper actuator; integrated flow sensor (DPT)
* Supply Voltage: 24 VAC (nominal, 20 VAC minimum/30 VAC maximum), 50/60 Hz, power supply Class 2 (North America), Safety Extra-Low Voltage (SELV) (Europe)
* Power Consumption: 10 VA typical, 14 VA maximum (excludes peripheral devices on Binary Outputs or Configurable Outputs, up to 12 VA each for a possible additional 60 VA maximum)
* Communications Bus: BACnet MS/TP, RS-485 - 3-wire FC Bus between the supervisory controller and field controllers; 4-wire SA Bus from the VMA controller to network sensors and other sensor/actuator devices, including a terminal to source 15 VDC supply power
* Controller Addressing: DIP switch set; valid field controller device addresses 4-127 (0-3 and reserved addresses are not valid)
* Analog I/O: Analog Input 15-bit resolution; Analog Output 16-bit resolution and ±200 mV in 0-10 VDC applications
* Air Pressure Differential Sensor: Setra transducer, differential pressure to electrical, 0 to 38.1 mm (0 to 1.5 in.) WC, 0.5 to 4.5 VDC, 5 VDC supply
* Actuator Rating: 4 N•m (35 lb•in); minimum shaft length 44 mm (1-3/4 in.); fast response actuator drives the damper from full open to full closed (90°) in 60 seconds
* Mounting: Mounts to damper shaft using a single set screw, and to the duct with a single mounting screw
* Terminations: Inputs/Outputs 6.3 mm (1/4 in.) spade lugs; FC Bus, SA Bus and supply power 4-wire and 3-wire pluggable screw terminal blocks; sensor port RJ-12 6-pin modular jacks
* Ambient Conditions: Operating 0 to 50°C (32 to 122°F); Storage −40 to 70°C (−40 to 158°F)
* Dimensions: 182 x 182 x 64 mm (7-3/16 x 7-3/16 x 2-1/2 in.)
* Zone Sensor Input: On SA Bus - up to 4 NS Series Network Zone sensors, up to 9 WRZ wireless zone sensors; up to 5 discharge air sensors
* Wireless: Wireless capabilities via the ZFR1800 Series Wireless Field Bus System enable wireless mesh connectivity between VMA16s, WRZ Series Wireless Room Temperature Sensors, and NAE/NCE devices
* Condition: Reconditioned. Johnson Controls. Johnson Controls. MS-VMA1610-0U.
Warranty Information
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