BAC-9000 Series BACnet VAV Controller-Actuators (B-AAC)
KMC Conquest™ BAC-9000 series controller-actuators are designed to operate VAV (Variable Air Volume) terminal units. The integrated alarming, scheduling, and trending enable these BACnet Advanced Application Controllers to be powerful edge devices for the modern smart building ecosystem. With integrated actuators, internal air pressure sensors, and other powerful features, they are ideal for new installations and upgrades of less-efficient equipment.
They easily mount to terminal boxes by securing a “V” clamp on the shaft and securing a single-screw anti-rotation bracket. The factory-supplied programming covers common VAV applications. The controllers feature simple, menu-driven setup choices using an STE-9000 series digital sensor, which can be installed permanently as the room sensor or used temporarily as a technician’s service tool. Alternately, quick configuration of controller properties can be done using NFC (Near Field Communication) from a smart phone, tablet, or computer (using KMC Connect Lite™ app) while the controller is unpowered.
The Ethernet-enabled BAC-9001CE can also be configured by connecting an HTML5-compatible web browser to the built-in configuration web pages. For demanding building automation custom requirements, these controllers are also fully programmable. Custom configuration and programming, with wizards for application programming selection/configuration, are enabled by KMC Connect™ software and the KMC Converge™ module for Niagara Workbench. KMC Converge and TotalControl™ software additionally provide the capability of creating custom graphical web pages (hosted on a remote web server) to use as a custom user-interface for the controllers.
APPLICATIONS
Application options include:
• Pressure independent or dependent VAV
• Cooling only and with changeover
• Staged, modulated, floating, or time-proportional reheat
• Series or parallel fan control
• Dual duct (with TSP-8003 actuators)
• Supply/exhaust tracking (with TSP-8003 actuators)
• CAV (Constant Air Volume) For installations with a BACnet building automation system, these easily integrated controllers signal demands for higher static duct pressure, cooler or warmer supply air, and other diagnostics for AHU optimization.
SPECIFICATIONS
Inputs and Outputs
Inputs, Universal (4 on Terminal Blocks)
| Universal inputs | Configurable as analog, binary, or accumulator objects |
| Termination | 1K and 10K ohm sensors, 0–12 VDC, or 0–20 mA (without need for an external resistor) |
| Resolution | 16-bit analog-to-digital conversion |
| Protection | Overvoltage protection (24 VAC, continuous) |
| Wire size | 12–24 AWG, copper, in removable screw terminal blocks |
Input, Dedicated Room Sensor Port
| Connector | Modular connector for STE-9xx1 series digital wall sensors or STE6010/6014/6017 analog temperature sensors |
| Cable | Uses standard Ethernet patch cable up to 150 feet (45 meters) |
Input, Integrated Air Pressure Sensor (optional)
| D pressure range | 0 to 2" wc (0 to 500 Pa) |
| Sensor accuracy | ±4.5% of the reading or (when near zero) 0.0008" wc (0.2 Pa), whichever is greater (@ 25° C); internally linearized and temperature compensated |
| Connections | Barbed for 1/4 inch FR (Flame Retardant) tubing |
Outputs, Universal (3 on Terminal Blocks)
| Universal outputs | Configurable as an analog (0 to 12 VDC) or binary object (0 or 12 VDC, on/off) |
| Power/protection | Each short-circuit protected universal output capable of driving up to 100 mA (at 0–12 VDC) or 100 mA total for all outputs |
| Resolution | 12-bit digital-to-analog conversion |
| Wire size | 12–24 AWG, copper, in removable screw terminal blocks |
Outputs, Triac (4 Binary)
| Triac outputs | Optically isolated zero-crossing triac output configured as a binary object |
| Power | Maximum switching 24 VAC at 1.0 A for each output; maximum total for controller is 3.0 A |
| Wire size | 12–24 AWG, copper, in removable screw terminal blocks |
Output, Integrated Actuator
| Torque | 40 in-lb. (4.5 N•m) |
| Angular rotation | 0 to 95°; adjustable end stops at 45 and 60° rotation |
| Motor timing | 90 sec. for 90° at 60 Hz; 108 sec. for 90° at 50 Hz |
| Shaft type/size | Mounts on round or square damper shafts |
| Noise level | <35 db(A) @ 1 meter (3.3 feet) |
Communication Ports
| MS/TP (optional) | One EIA-485 port (removable terminal block) for BACnet MS/TP, operating at 9.6, 19.2, 38.4, 57.6, 76.8, or 115.2 kilobaud; max. length of up to 4,000 feet (1,200 meters) of 18 AWG shielded twisted-pair, no more than 51 pf/ft (167 pf/m); use repeaters for longer distances |
| Ethernet (optional) | On “E” model only, two 10/100BaseT Ethernet connectors for BACnet IP, Foreign Device, and Ethernet 802.3 (ISO 8802-3); segmentation supported; up to 328 ft (100 m) between controllers (using T568B Category 5 or better cable) |
| NFC | NFC (Near Field Communication) up to 1 inch (2.54 cm) from the top of the enclosure |
| Room sensor | Modular STE connection jack for STE-9000 series digital sensors and STE-6010/6014/6017 analog sensors |
| Auxiliary | One serial port with mini Type B connector (reserved for future use) |
Configuring, Programming, and Designing
Hardware Features
Processor, Memory, and Clock
| Processor | 32-bit ARM® Cortex-M4 |
| Memory | Programs and configuration parameters are stored in nonvolatile memory; auto restart on power failure |
| RTC | Real time clock with (capacitor) power backup for 72 hours (“C” model only) for network time synchronization or full stand-alone operation |
Indicators and Isolation
| LED indicators | Power/status, MS/TP communication, and Ethernet status |
| MS/TP protection | One network bulb assembly indicates reversed polarity and isolates circuit |
| Switch | EOL (end of line) for MS/TP |
Installation
Power
| Supply voltage | 24 VAC (–15%, +20%), 50/60 Hz, Class 2 only; non-supervised (all circuits, including supply voltage, are power limited circuits) |
| Required power | 8 VA, plus external loads |
| Wire size | 12–24 AWG, copper, in a removable screw terminal block |
Enclosure and Mounting
| Weight | 1.17 lb. (0.53 kg) |
| Case material | Green and black flame retardant plastic |
| Mounting | Directly mounts on 3/8 to 5/8 inch (9.5 to 16 mm) round or 3/8 to 7/16 inch (9.5 to 11 mm) square damper shafts with 2 inch (51 mm) minimum shaft length |
Environmental Limits
| Operating | 32 to 120° F (0 to 49° C) |
| Shipping | –40 to 160° F (–40 to 71° C) |
| Humidity | 0 to 95% relative humidity (non-condensing) |
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