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Siemens Building Technologies, Inc.

 

 

I

 

Table of Contents 

How To Use This Manual .............................................................................................. V

 

Manual Organzation ...................................................................................................... V

 

Manual Conventions ..................................................................................................... VI

 

Manual Symbols ............................................................................................................ VI

 

Getting Help ................................................................................................................... VI

 

Where To Send Comments .......................................................................................... VI

 

Product Overview ......................................................................................................... 1

 

Introduction ................................................................................................................ 1

 

Ordering Notes ........................................................................................................ 1

 

Hardware Inputs ........................................................................................................ 2

 

Analog ..................................................................................................................... 2

 

Digital ...................................................................................................................... 2

 

Hardware Outputs ...................................................................................................... 2

 

Analog ..................................................................................................................... 2

 

Digital ...................................................................................................................... 3

 

Power Wiring ........................................................................................................... 3

 

Communication Wiring ............................................................................................ 4

 

Controller LED Indicators ........................................................................................ 4

 

Temperature Sensors ................................................................................................ 4

 

Room Temperature Sensor ..................................................................................... 4

 

Duct Temperature Sensor ....................................................................................... 5

 

Related Equipment .................................................................................................. 5

 

Applications ................................................................................................................... 6

 

Basic Operation ......................................................................................................... 6

 

Sequencing Logic (optional) ...................................................................................... 6

 

Control Temperature Setpoints.................................................................................. 6

 

Day/Night Mode ......................................................................................................... 6

 

Night Mode Override Switch ...................................................................................... 6

 

Control Loops ............................................................................................................. 6

 

Calibration .................................................................................................................. 7

 

Damper Status Operation .......................................................................................... 7

 

Содержание BACNET 125-5037

Страница 1: ...Siemens BACnet VAV Actuator Owner s Manual 125 5037 Rev AA February 2008 ...

Страница 2: ......

Страница 3: ...ference when operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case users at their own expense will be required to take whatever measures may be required to correct the interference SERVICE STATEMENT Control devices are combined to make a system Each control device is mechanical in nature and all mechanical components mu...

Страница 4: ......

Страница 5: ... 1 Hardware Inputs 2 Analog 2 Digital 2 Hardware Outputs 2 Analog 2 Digital 3 Power Wiring 3 Communication Wiring 4 Controller LED Indicators 4 Temperature Sensors 4 Room Temperature Sensor 4 Duct Temperature Sensor 5 Related Equipment 5 Applications 6 Basic Operation 6 Sequencing Logic optional 6 Control Temperature Setpoints 6 Day Night Mode 6 Night Mode Override Switch 6 Control Loops 6 Calibra...

Страница 6: ...Radiation 11 Electric Heat Interlock 11 Application 2563 VAV with Hot Water Reheat 13 Overview 13 Application 2564 VAV Series Fan Powered with Electric Reheat 15 Overview 15 Fan Operation 15 Application 2565 VAV Series Fan Powered with Hot Water Reheat 16 Overview 16 Fan Operation 16 Application 2566 VAV Parallel Fan Powered with Electric Reheat 17 Overview 17 Fan Operation 17 Application 2567 VAV...

Страница 7: ...nual Siemens Building Technologies Inc III Point Database 20 Overview 20 Troubleshooting 29 Basic Service Information 29 Preventive Maintenance 29 Safety Features 30 Controller LEDs 30 Automated Checkout 30 Glossary 33 Overview 33 Index 37 ...

Страница 8: ......

Страница 9: ...ssories that are used with the BACnet VAV Actuator Chapter 2 Applications for BACnet VAV Actuator describes the control applications available in the model of the BACnet VAV Actuator that includes a terminal block for wireable input output connections Chapter 3 Point Database defines the point database descriptors and includes address and applications Chapter 4 Troubleshooting describes basic corr...

Страница 10: ...y executes a user defined set of instructions called the control program Manual Symbols The following table lists the symbols used in this owner s manual to draw your attention to important information Notation Symbol Meaning WARNING Indicates that personal injury or loss of life may occur to the user if a procedure is not performed as specified CAUTION Indicates that equipment damage or loss of d...

Страница 11: ...re consists of the controller and the mounting bracket Table 1 lists the BACnet VAV Actuator products that are covered Table 1 BACnet VAV Actuator Electronic Output Applications Application Number Application Description 2560 VAV Cooling Only 2561 VAV Cooling or Heating 2562 VAV with Electronic Reheat or Baseboard Radiation 2563 VAV with Hot Water Reheat 2564 VAV Series Fan Powered with Electric R...

Страница 12: ...t Connection Airflow Pickup Tubes Figure 1 Siemens BACnet VAV Actuator Hardware Inputs Analog Air Velocity Sensor AVS Duct temperature sensor optional Application 2561 Room temperature sensor RTS Room temperature setpoint dial optional Digital Night mode override optional Wall switch optional Hardware Outputs Analog None ...

Страница 13: ... Stage 1 electric reheat 2564 2566 Stage 2 electric reheat optional 2562 2564 2566 Stage 3 electric reheat optional 2562 2564 2566 Valve actuator 2565 2567 Power Wiring The controller is powered by 24 Vac Power wiring connects to the two screw terminals on the controller labeled C Common and H Hot on the terminal block labeled 24 VAC No earth ground connection is required Figure 2 24VAC Line 24VAC...

Страница 14: ...ler has seven Light Emitting Diode LED indicators see Figure 1 Table 2 Controller LEDs LED Type Label if present LED Number Indication DO LED 3 LED 6 3 6 Indicates the ON OFF status of the DO associated with it A glowing LED indicates that the DO is energized Transmit TX 0 Indicates when flashing that the controller is transmitting information to the field panel Receive RX 1 Indicates when flashin...

Страница 15: ...to the controller For more information about temperature sensors contact your local Siemens Building Technologies Inc representative Related Equipment Autozero Module optional 540 200 Relay Module Damper Actuator s Duct Temperature Sensor 10K Ω optional Room Temperature Sensor Contact your local Siemens Building Technologies Inc representative for product numbers and more information ...

Страница 16: ... The controller maintains a specified temperature setpoint based on Day Night mode or the heating cooling mode or the setpoint dial if used Day Night Mode The controller maintains the specified day setpoint temperature during daytime hours and the specified night setpoint at night Night Mode Override Switch If the ROOM TEMPERATURE SENSOR has an override switch it can be used to command the control...

Страница 17: ...r the calculated damper position to differ from the actual physical damper position If this occurs the controller will automatically compensate for any difference by readjusting the calculated damper position This calculated position may not match the actual position Fail safe Operation If the air velocity sensor fails the controller uses pressure dependent control The temperature loop controls th...

Страница 18: ...a duty cycle When the controller is in cooling mode the electric heat is OFF at all times Notes 1 If the temperature swings in the room are excessive or if there is trouble in maintaining the setpoint contact your local Siemens Building Technologies Inc representative for more information 2 The BACnet VAV Actuator as shipped from the factory keeps all associated equipment OFF The controller and it...

Страница 19: ...handling unit must provide cool supply air See Figure 5 BACnet Actuator Controller Modulating Damper Actuator TEC2560CDR1 Air Velocity Sensor Supply Air Damper SAFETIES BY OTHERS 3 4 5 6 C Wall Switch Opt Spare DO or Autozero Module Opt Spare DOs COMMON Termination for all DOs Spare AI 10K ohm thermistor or Spare DI Supply Air 3 to 5 Straight Duct Diameters required for proper sensor reading Hi Lo...

Страница 20: ...ol supply air in cooling mode and warm air in heating mode See Figure 6 BACnet Actuator Controller Modulating Damper Actuator TEC2561CDR1 Air Velocity Sensor Supply Air Damper SAFETIES BY OTHERS 3 4 5 6 C Wall Switch Opt N O Spare DO or Autozero Module Opt Spare DOs COMMON Termination for all DOs Duct Temp Sensor 10K ohm thermistor Opt Supply Air 3 to 5 Straight Duct Diameters required for proper ...

Страница 21: ...r the terminal box to work properly the central air handling unit must provide supply air See Figure 7 and Figure 8 Baseboard Radiation Baseboard radiation can be a two position valve or electrical resistance heating If the controller is in cooling mode the heating valve is closed When in heating mode the controller will operate the heating valve to maintain the heating setpoint Electric Heat Inte...

Страница 22: ...pare DI Supply Air 3 to 5 Straight Duct Diameters required for proper sensor reading Figure 7 Application 2562 Control Drawing Electric Heat BACnet Actuator Controller Modulating Damper Actuator TEC2562BCDR1 Air Velocity Sensor Supply Air Damper SAFETIES BY OTHERS 3 4 5 6 C Wall Switch Opt Spare DO or Autozero Module Opt COMMON Termination for all DOs Hi Lo Tubing Connections RTS FLN NO 2 Position...

Страница 23: ...damper In order for the terminal box to work properly the central air handling unit must provide supply air See Figure 9 and Figure 10 BACnet Actuator Controller Modulating Damper Actuator TEC2563ACDR1 Air Velocity Sensor Supply Air Damper SAFETIES BY OTHERS 3 4 5 6 C Wall Switch Opt Spare DO or Autozero Module Opt COMMON Termination for all DOs 10K ohm Thermistor or Spare DI Hi Lo Tubing Connecti...

Страница 24: ...sor Supply Air Damper SAFETIES BY OTHERS 3 4 5 6 C Wall Switch Opt COMMON Termination for all DOs 10K ohm Thermistor or Spare DI Hi Lo Tubing Connections RTS FLN NO Valve Actuator Valve Actuator Supply Air 3 to 5 Straight Duct Diameters required for proper sensor reading Figure 10 Application 2563 Control Drawing Two Valve Actuators ...

Страница 25: ... terminal box fan must be controlled interlocked to start either before or at the same time as the central air handler Failure to do so may cause the terminal box fan to rotate backwards and cause consequent damage at start up In day mode the fan is ON all the time In night mode the fan cycles on when heating or cooling is required BACnet Actuator Controller Modulating Damper Actuator TEC2564CDR1 ...

Страница 26: ...nal boxes the terminal box fan must be controlled interlocked to start either before or at the same time as the central air handler Failure to do so may cause the terminal box fan to rotate backwards and cause consequent damage at start up In day mode the fan is ON all the time In night mode the fan cycles on when heating or cooling is required BACnet Actuator Controller Modulating Damper Actuator...

Страница 27: ... the room air In order for the terminal box to work properly the central air handling unit must provide supply air See Figure 13 Fan Operation The fan turns on when heating is required BACnet Actuator Controller Modulating Damper Actuator TEC2566CDR1 Air Velocity Sensor SAFETIES BY OTHERS 6 5 4 3 C Wall Switch Opt COMMON Termination for all DOs 10K ohm Thermistor or Spare DI Hi Lo Tubing Connectio...

Страница 28: ...ulates the room air In order for the terminal box to work properly the central air handling unit must provide supply air See Figure 14 Fan Operation The fan turns on when heating is required BACnet Actuator Controller Modulating Damper Actuator TEC2567CDR1 Air Velocity Sensor SAFETIES BY OTHERS 6 5 4 3 C Wall Switch Opt COMMON Termination for all DOs 10K ohm Thermistor or Spare DI Hi Lo Tubing Con...

Страница 29: ...to be controlled by a field panel then they must be unbundled at the field panel Using the Controller as a Point Extension Device If the controller is only used as a point extension device with no control application in affect its application must be set to slave mode and points must be unbundled at the field panel All points must be controlled from the field panel in order to be used DO 3 DO 4 DO...

Страница 30: ...be in either a heating mode or a cooling mode DAY CLG STPT 06 All except 2597 The temperature setpoint in degrees that the controller maintains during day periods in cooling mode if a room temperature sensor setpoint dial is not present or is not used See STPT DIAL NGT CLG STPT 08 All except 2597 The temperature setpoint in degrees that the controller maintains during the night periods in cooling ...

Страница 31: ... available See DI 3 SUPPLY TEMP 15 2561 Actual reading from a 10K Ω thermistor connected to the controller s Al 3 input The controller uses this value to determine whether it is in heating or cooling mode FLOW START 16 All except 2560 2561 2597 Determines how the damper modulation will be sequenced while in heating mode When HTG LOOPOUT is above this value then FLOW STPT starts to increase FLOW EN...

Страница 32: ...ed OFF indicates that the contact is open If a wall switch is used it is connected to DI 2 See WALL SWITCH DI 3 25 2 All except 2561 Actual status of a contact connected to the controller at Al 3 DI 3 ON indicates that the contact is closed OFF indicates that the contact is open When a contact is connected at DI 3 Al 3 is not available See AUX TEMP SERIES ON 26 2564 2565 When flow rises above this...

Страница 33: ...e valve 2 actuator is commanded in percent of full travel for applications using a second water valve MTR3 POS 38 2560 2561 2562 2597 The current position of the Motor 3 actuator in percent of full travel This value is calculated based on motor run time VLV2 POS 38 2563 The current position of Valve 2 in percent of full travel This value is calculated based on valve run time MTR3 TIMING 39 All exc...

Страница 34: ...igital output controls the Autozero Module to calibrate the controller s internal air velocity transducer FAN 46 2564 2565 2566 2567 This point is a digital output used to control the fan ON indicates that the DO is energized OFF indicates that the DO is de energized DMPR COMD 48 All except 2597 The value to which the damper motor is commanded in percent of full travel MTR1 COMD 48 2597 The value ...

Страница 35: ...otors 1 2 and 3 This enables the motors individually and sets each motor to be either direct or reverse acting Note When a motor is enabled its associated DOs are enabled DO DIR REV 59 All The configuration setup code for DOs Allows the DOs to be direct or reverse acting enabled equals energized or disabled equals de energized EHEAT FLOW 60 2562 The flow required before the electric heat will be e...

Страница 36: ... in heating mode unless it is overridden CTL FLOW MAX 77 All except 2597 The active maximum flow used as a limit for the flow control loop This value is the same as CLG FLOW MAX if the controller is in cooling mode or is the same as HTG FLOW MAX if the controller is in heating mode unless it is overridden CTL TEMP 78 All except 2597 The temperature used as input for the temperature control loops T...

Страница 37: ...ero Modules are enabled to calibrate the air velocity transducers The dampers will not be used for calibration NO indicates that Autozero Modules are disabled and that the air velocity transducers will be calibrated by closing the dampers Valid input YES or NO STAGE COUNT 88 2562 2564 2566 The number of electric heating stages used by the application DOs associated with unused stages may be used a...

Страница 38: ...ns if a timed calibration option is selected in CAL SETUP DUCT AREA 97 All Area in square feet square meters of the duct where the air velocity sensor is located This is a calculated value calculated by the field panel or computer being used that depends on duct shape and size It is used in calculating all points in units of CFM CF LPS and L Valid input 025 ft2 002 m 2 through 6 375 ft 2 5923 m2 L...

Страница 39: ... the power to the 24 Vac transformer The recommended method of removing power to a controller on a power cable even to service a single controller is to turn OFF the power at the transformer NOTE When removing power to a controller to perform maintenance or service make sure that the person in charge of the facility is aware of this and that appropriate steps are taken to keep the building in cont...

Страница 40: ...ut LEDs NOTE The TX and RX LEDs indicate communication over the FLN Automated Checkout The BACnet VAV Actuator has a built in checkout procedure that can be manually initiated at any time after the controller has been installed The procedure tests all of the necessary I O and ensures the controller has the ability to operate within the set airflow range between CLG FLOW MIN and CLG FLOW MAX To per...

Страница 41: ...through the room temperature sensor connection on the BACnet VAV Actuator and check whether communication is possible If so the problem lies in the room temperature sensor or its cable If not the problem is with the controller 4 Contact your local Siemens Building Technologies representative Air velocity sensor failed CHK STATUS 4 1 The sensor tubing may be blocked leaking or disconnected Check fo...

Страница 42: ...balanced correctly Contact your local Siemens Building Technologies Representative 7 The air velocity sensor may need calibration Set CAL AIR to YES to run the calibration sequence When CAL AIR returns to NO indicating that the sequence is finished run the checkout procedure again to see whether the problem has been corrected Controller could not reach CLG FLOW MAX or above CHK STATUS 16 1 Check f...

Страница 43: ...city and humidity sensors room duct or outdoor airflow Rate at which a volume of air moves through a duct Usually expressed in cubic feet per minute cfm or liters per second lps algorithm Mathematical formula that uses varying inputs to calculate an output value AVS Air Velocity Sensor AZM Autozero Module Equipment controller device used to calibrate the Variable Air Volume Controller s internal a...

Страница 44: ...nal ON OFF OPEN CLOSED YES NO English units The foot pound second system of units for weights and measurements equipment controller FLN device that provides additional point capacity to a field panel or provides individual room or mechanical equipment control field panel A device containing a microprocessor for centralized control of system components and equipment controllers FLN Field Level Netw...

Страница 45: ...lume VAV room temperature control system in which the temperature drives an airflow setpoint PID Proportional Integral Derivative RTS Room Temperature Sensor setpoint Virtual point that stores a point value such as a temperature setting Points that monitor inputs such as temperature report actual values SI units Systeme International d Unites The international metric system slave mode Default appl...

Страница 46: ...s software used to control terminal units such as heat pumps VAV terminal boxes fan coil units unit ventilators etc unbundle Term used to describe the entering of a point that resides in a controller s database into the field panel s database so that it can be monitored and controlled from the field panel VAV Variable air volume Ventilation system that changes the amount of air supplied to and exh...

Страница 47: ...7 fan operation 17 overview 17 application 2567 control drawing 18 overview 18 Application 2567 fan operation 18 Application 2597 overview 19 using auxiliary points 19 using controller as point extension device 19 applications calibration 7 23 control loops 6 control temperature setpoints 6 damper status operation 7 day night mode 6 electric reheat stage 1 1 8 15 17 stage 2 1 8 15 17 stage 3 1 8 1...

Страница 48: ...out 34 O override switch 35 P PID 35 point database overview 20 power wiring 3 preventive maintenance 29 R related equipment 5 relay module 5 room temperature sensor failure code 30 troubleshooting 31 RTS 35 RX LED 30 S safety features 30 service information basic 29 setpoint dial failure code 30 troubleshooting 31 SI units 35 stand alone control 35 static discharge 29 T temperature sensors duct t...

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