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Summary of Contents for KMC Controls SimplyVAV BAC-8001
- Page 1 Cooling Only BAC-8001 BacNet DDC VAV Controller Installation Guide...
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Page 2: Table Of Contents
BAC-8001 VAV Controller Contents Section 1 About the controllers Specifications ........................5 Safety considerations ......................7 Section 2 Installing the controllers Setting the rotation limits ....................9 Mounting ..........................10 Connecting inputs ......................11 Connecting outputs ......................12 Connecting to sensors ....................... 12 Connecting to an MS/TP network .................. -
Page 3: About The Controllers
SECTION 1 About the controllers BacNet This section provides a description of the BAC-8001 VAV controllers. It also introduces safety information. Review this material before installing or operating the controllers. The BAC-8001 is native BACnet, direct digital controllers designed for VAV terminal units. - Page 4 About the controllers Specifications Communications BACnet MS/TP EIA–485 operating at rates up to 76.8 kilobaud. Removable screw terminal block. Wire size 12–24 AWG Sensor jack RJ-45 jack compatible with model STE-8000 and STE-6000 models with RJ-45 jacks Supported objects See PIC statement for supported BACnet objects Control Basic 5 program areas in BAC-8001 6 program areas in BAC-8201...
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Page 5: Specifications
BAC-8001 and BAC-8201 VAV Controllers About the controllers Specifications Regulatory UL 916 Energy Management Equipment FCC Class B, Part 15, Subpart B BACnet Testing Laboratory listed as an application specific controller (ASC). UL 864 smoke controls (BAC-8201 only) Installation Supply voltage 24 volts AC, -15%, +20% 5 VA Weight 13.2 ounces (376 grams) - Page 6 About the controllers Specifications Dimensions Table 1-1 BAC-8000 dimensions 6.53 in. 4.89 in. 4.25 in. 0.77 in. 6.00 in. 2.14 in. 1.92 in. 166 mm 124 mm 108 mm 19 mm 152 mm 54 mm 49 mm...
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Page 7: Safety Considerations
About the controllers Safety considerations Safety considerations Titus assumes the responsibility for providing you a safe product and safety guidelines during its use. Safety means protection to all individuals who install, operate, and service the equipment as well as protection of the equipment itself. -
Page 8: Installing The Controllers
SECTION 2 Installing the controllers This section provides important instructions and guidelines for installing the BAC-8001 controller. Carefully review this information before installing the controllers. Installing a VAV controller includes the following topics that are covered in this section. Setting the rotation limits on page 12 Mounting on page 13 Connecting inputs on page 14 Connecting outputs on page 15... -
Page 9: Setting The Rotation Limits
Installing the controllers Setting the rotation limits Setting the rotation limits Before mounting the controller, set the rotation limits with the supplied stop screw. Installing the stop screw limits the shaft rotation to either 45 or 60 degrees. Caution Before setting the rotation limits on the controller, refer to the damper position specifications in the VAV control box to which the controller will be attached. -
Page 10: Mounting
BAC-8001 and BAC-8201 VAV Controllers Installing the controllers Mounting Mounting Mount the controller inside of a metal enclosure. To maintain RF emissions specifications, use either shielded connecting cables or enclose all cables in conduit. Mount the controller directly over the damper shaft. A minimum shaft length of 2.0 inch (51 mm) is required. -
Page 11: Connecting Inputs
Installing the controllers Connecting inputs Connecting inputs The BAC-8001 controller ha preconfigured analog inputs to support the supplied programs. The inputs cannot be changed to binary or accumulator inputs. Only one input has an externally available physical terminal. All of the inputs are preconfigured for the application programs supplied in the controllers and are listed in Table 2-1. -
Page 12: Connecting Outputs
BAC-8001 and BAC-8201 VAV Controllers Installing the controllers Connecting outputs Connecting outputs The BAC-8001 controller ha two preconfigured outputs to support the supplied programs. The outputs are programmed run the integrated actuator in either a clockwise or counterclockwise direction. No external output connections are available. -
Page 13: Connecting To An Ms/Tp Network
Installing the controllers Connecting to an MS/TP network Connecting to an MS/TP network The BAC-8000 series controllers are BACnet MS/TP compliant controllers. Connect them only to a BACnet MS/TP network. See Application Note AN0404A, Planning BACnet Networks for additional information about installing controllers. S +B -A Illustration 2-5 MS/TP network connection Connections and wiring... - Page 14 BAC-8001 and BAC-8201 VAV Controllers Installing the controllers Connecting to an MS/TP network Redundant network Ground shield only at wiring for increased one end of the segment. reliability Illustration 2-6 MS/TP network wiring Note The MS/TP terminals are labeled -A, +B and S. The S terminal is provided as a connecting point for the shield.
- Page 15 Installing the controllers Connecting to an MS/TP network End of line termination switches The controllers on the physical ends of the EIA-485 wiring segment must have end-of-line termination installed for proper network operation. Set the end-of-line termination to On using the EOL switches. Set end-of-line termination to On in these controllers only.
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Page 16: Connecting An Airflow Sensor
BAC-8001 and BAC-8201 VAV Controllers Installing the controllers Connecting an airflow sensor Connecting an airflow sensor An airflow sensor is incorporated as one of the inputs to the controller. Remove the plugs and connect the tubing from the pitot assembly to the airflow sensor inputs next to the drive hub. -
Page 17: Connecting Power
Installing the controllers Connecting power Connecting power The controllers require an external, 24 volt, AC power source. Use the following guidelines when choosing and wiring transformers. Use a Titus Alpha Controls Class-2 transformer of the appropriate size to supply power to the controllers. Titus recommends powering only one controller from each transformer. -
Page 18: Application Drawing
BAC-8001 and BAC-8201 VAV Controllers Installing the controllers Application drawing Application drawing The BAC-8001 controller configured by the manufacturer for single-duct cooling or heating VAV control. Connect the controller as shown in the BAC-8001 application on page illustration Illustration 2-12 BAC-8001 application... -
Page 19: Setting Up Vav Controllers
SECTION 3 Setting up VAV controllers The topics in this section cover setting up the BAC-8001 controller for VAV operation. These are advanced topics for controls technicians and engineers. The BAC-8001 VAV controller set up by the manufacturer to operate as soon as they are connected to external equipment and power is applied. -
Page 20: Setting Temperature Setpoints
Setting up VAV controllers Setting temperature setpoints Setting temperature setpoints The space temperate setpoints listed in Table 3-1, “Temperature setpoints,” on page 24 are used to control the controller VAV operation. The temperature setpoints have default values, but may be manipulated depending on which type of wall sensor is connected to the controller. -
Page 21: Setting Airflow Setpoints
BAC-8001 and BAC-8201 VAV Controllers Setting up VAV controllers Setting airflow setpoints Setting airflow setpoints The airflow setpoints are limits for VAV unit operation. All values are entered by a controls technician. Minimum and maximum cooling airflow Sets the airflow limits through the VAV unit when in the cooling mode.
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