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APOGEE Unit Vent
Controller ⎯
0 to 10V Output
Owner’s Manual
125-1957 Rev. CA, July 2007
Siemens Building Technologies, Inc.
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Rev. CA, July 2007 NOTICE The information contained within this document is subject to change without notice and should not be construed as a commitment by Siemens Building Technologies, Inc. Siemens Building Technologies, Inc. assumes no responsibility for any errors that may appear in this document. All software described in this document is furnished under a license and may be used or copied only in accordance with the terms of such license. WARNING This equipment generates, uses,
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Table of Contents How To Use This Manual ................................................................................................. iv Manual Organization ......................................................................................................iv Manual Conventions ................................................................................................... v Manual Symbols ...........................................................................................
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APOGEE Unit Vent Controller ⎯0 to 10V Output Owner’s Manual Point Database ................................................................................................................ 23 Troubleshooting .............................................................................................................. 33 Overview ...................................................................................................................... 33 Basic Service Information ..................
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Table of Contents iii
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How To Use This Manual This manual is written for the owner and user of the Siemens Building Technologies, Inc. Unit Vent Controller – 0 to 10V, often referred to as controller for the remainder of this manual. This manual is designed to help you become familiar with the controller and its applications. This chapter covers manual organization, manual symbols and conventions used and how to access help. Manual Organization This manual contains the following chapters: • Chapter 1 Produc
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Manual Organization Manual Conventions The following table lists conventions used in this manual. Convention Example Actions that you should Type F for Field panels. perform are specified in Click OK to save changes and close the dialog box. boldface font. Error and system The message Report Definition successfully renamed messages are displayed appears in the status bar. in Courier New font. New terms appearing for The Open Processor continuously executes a user-defined set of th
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APOGEE Unit Vent Controller ⎯0 to 10 V Output Owner’s Manual Getting Help For more information about the Unit Vent Controller, contact your local Siemens Building Technologies representative. Where To Send Comments Your feedback is important to us. If you have comments about this manual, please submit them to SBT_technical.editor.us.sbt@siemens.com vi Siemens Building Technologies. Inc.
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1 Product Overview Introduction The Unit Vent Controller—0 to 10V Output is the Siemens Building Technologies, Inc. Terminal Equipment Controller (TEC) used in unit ventilator applications. See Figure 1. It provides Direct Digital Control (DDC) for five applications. The controller can operate as an independent, stand-alone, DDC room controller or be networked with an APOGEE field panel. The controller provides all termination, input/output, system and local communication connections
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APOGEE Unit Vent Controller ⎯0 to 10V Output Owner’s Manual COVER CONTROLLER BOARD MOUNTING HOLE (2) LAN DO 1 DO 2 DO 3 DO 4 DO 5 DO 6 DO 7 DO 8 DI 3 DI 2 DI 4 AO 1 AO 2 AO 3 24 V-AC NO C NO C NO C NO C NO C NO C NO C NO C AI 3 + - + - + - TRUNK MOUNTING CH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 +- TX RX S BST RTS RAIL CH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 +- S DO LEDS POWER TR
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Introduction Hardware Outputs Application Analog (0 to 10V) 2281, 2283, 2287 • Cooling valve actuator 2281, 2283, 2284, 2286 • Face-bypass damper actuator 2281, 2283, 2284, 2286, 2287 • Heating valve actuator 2281, 2283, 2284, 2286 • Outdoor air damper actuator Application Digital 2281, 2283, 2284, 2286 • Auxiliary radiation electric coil contact; or, auxiliary radiation two-position valve actuator 2281, 2283, 2284, 2286, 2287 • Unit fan 2281, 2283, 2284, 2286 • First sta
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APOGEE Unit Vent Controller ⎯0 to 10V Output Owner’s Manual FLN TRUNK DO 1 DO 2 DO 3 DO 4 DO 5 24 V-AC +- S NO C NO C NO C NO C NO C NO EH C 1 2 3 4 5 6 7 8 9 10 11 1 1 2 3 4 5 6 7 8 9 10 11 12 (SHIELD) (SHIELD) COMMON 24 VAC HOT (-) (-) (+) CONTROLLER POWER WIRING (+) NOTE: NO EARTH GROUND CONNECTION Figure 2. Power Wiring. Figure 3. Communication Wiring. Controller LED Indicators The controller has eleven Light Emitting Diode (LED) indicators. See F
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Introduction Mixed Air/Discharge Air Temperature Sensor The mixed air/discharge air temperature sensor is a 100K ohm thermistor that connects to the controller at the screw terminals for Al 3. For more information about Siemens Building Technologies, Inc. temperature sensors, contact your local Siemens Building Technologies, Inc. representative. Actuators Damper Actuators The damper actuator used with the Unit Vent Controller—0 to 10V Output is a 0 to 10V spring return electronic dampe
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2 Applications Basic Operation The Unit Vent Controller ⎯0 to 10V Output provides Direct Digital Control (DDC) technology for unit ventilator applications. The applications available in this controller are as follows: • Heating and/or Chilled Water Cooling, Application 2281 ASHRAE Cycles l and II • Heating and/or Chilled Water Cooling, Application 2283 ASHRAE Cycle III • Heating and DX Cooling, Application 2284 ASHRAE Cycles I and II • Heating and DX Cooling, Applica
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Basic Operation Day Cooling Operation The controller maintains the room temperature by resetting the unit ventilator's discharge temperature setpoint (2281), running the face-bypass damper at full all the time, modulating or cycling the available coil control device (DX coil – 2284) or positioning the outdoor air damper. Night Heating Operation The controller maintains the room temperature turning the fan and heating on and off as required. Night Cooling Operation The controller maint
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APOGEE Unit Vent Controller ⎯0 to 10 V Output Owner’s Manual Cooling Loop – maintains room temperature setpoint by turning valves on and off and using free cooling (mixed air control) when available. Auxiliary Loop – modulates the auxiliary loop using the auxiliary setpoint and discharge setpoint (2284). Mixed Air Loop – modulates the mixed air loop using the mixed air setpoint and mixed air temperature (2283). DX Loop – modulates the cooling loop using the control setpoint and room tempe
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Basic Operation If the room temperature sensor input to the Unit Vent Controller fails or the LTDT equals ON, the controller goes through the following shutdown sequence: • Outdoor air damper is closed. • Heating is full ON (except electric, which is OFF). • Cooling is full OFF. • Face-bypass damper is open to face. • Fan is OFF. • Auxiliary radiation is OFF. • Two-position heating valve actuator is open. • Two -position cooling valve actuator is closed. NOTE: DO 2 is not commanded by
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APOGEE Unit Vent Controller ⎯0 to 10 V Output Owner’s Manual Application 2281 – Heating and/or Chilled Water Cooling, ASHRAE Cycles I and II In Application 2281, the Unit Vent Controller ⎯0 to 10V Output controls a unit ventilator equipped with a chilled water coil for cooling, and/or a heating coil, which may be hot water, steam, or electric, for ASHRAE Cycles I and II. A face-bypass damper can be controlled, replacing both the modulating (0-10V) heating and cooling actuators. If a face-b
