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Two-State Constant Volume Fume Hood Controller Owner’s Manual 125-5033 Rev. AA, September 2007 ...
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Rev. AA, September 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 Tec hnologies, Inc. Siemens Building Technologies, Inc. assumes no responsibility for any errors that may appear in this document. All software described in this document i ...
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Siemens Building Techologies, Inc. V Table of Contents How To Use This Manual ............................................................................................. VII Manual Organiza tion ................................................................................................. VII Manual Conventions ................................ ...
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VI Siemens Building Technologies, Inc. Applicat ions .................................................................................................................. 11 Fume Hood Controller: 2-Posi tion Constant Volume ............................................... 11 Basic Oper ation ............................................................. ...
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Siemens Building Techologies, Inc. VII How To Use This Manual This section covers manual organization, conventions, and symbols used in the manual, and other information that w ill help you understand and use a Laboratory Room Controller — Electronic Output. Manual Organization This manual contains the following sections: • Chapter 1 Product Ov ...
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Siemens 125-5033 - page 8
VIII Siemens Building Technologies, Inc. Manual Symbols The following table lists symbols that are us ed to draw your attention to important information. Notation Symbol Meaning CA UTION: Indicates that equipment damage or loss of data may occur if the user does not follow a procedure as specified. WA RNING: Indicates that personal injury or loss o ...
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Siemens 125-5033 - page 9
Siemens Building Technologies, Inc. 1 1 Product Overview Introduction The Fume Hood Controller is an equipment controller designed to provide Direct Digital Control (DDC) for 2 position fume hoods. The c ontroller consists of a controller board and a controller enclosure. The controller board (Figur e 1) is the central computing/controlling compone ...
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Siemens 125-5033 - page 10
Fume Hood Controller Owner's Manual 2 Siemens Building Technologies, Inc. Table 1. Fume Hood Controller – Ele ctronic Output A pplications. Application Description 940 2 Position Fume Hood Controller Ordering Notes Fume Hood Controller – Electronic Output (940) 546-00750 Figure 1. Fume Hood Controller Board . ...
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Siemens 125-5033 - page 11
Product Overview Siemens Building Technologies, Inc. 3 Hardware Inputs Analog • Differential pressure transmitter Digital • Operator Display Panel (ODP) • ATTN.UNATTN (through DI1) • OCC.UNOCC (through DI1) Hardware Outputs Analog • AO-E/AO-P module (Floating Control) • Operator Display Panel (ODP) • AO2 (Flow Signal, 1 to 10 Vdc) Dig ...
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Siemens 125-5033 - page 12
Fume Hood Controller Owner's Manual 4 Siemens Building Technologies, Inc. 24V COMMON 24V HOT GROUND LAB00140R1 FLN TRUNK +- S (SHIELD) (SHIELD) (+) (+) (-) (-) TEC0470R1 Figure 2. Power Wiring. Figure 3. Communication Wiring. Controller LED Indicators The controller has six Light Emitting Diode (LED) indicators. See Table 2. Table 2. Controlle ...
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Siemens 125-5033 - page 13
Product Overview Siemens Building Technologies, Inc. 5 Pressing the Emergency Purge button a second time reverts the Fume Hood Controller to normal operation for the current conditions. HI/LO: HI/OFF Select button – Pressing this button changes the controller from a high flow setpoint to a low flow setpoint and back again or changes the controlle ...
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Siemens 125-5033 - page 14
Fume Hood Controller Owner's Manual 6 Siemens Building Technologies, Inc. The terminal is available in diameters ranging from 4 to 18 inches. The terminal is available in a variety of end configurations to match the duc twork construction. It is also available in TEFLON ® coated 18-gauge steel for highly corrosive environments. Figure 5. Labo ...
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Siemens 125-5033 - page 15
Product Overview Siemens Building Technologies, Inc. 7 High Speed Electronic Actuation The High speed electronic actuator assembly cons ists of two parts, t he electronic actuator and the interface board. The actuator is connect ed to the exhaust flow control device in the fume hood exhaust duct. The electronic actuator a ssembly is used because of ...
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Siemens 125-5033 - page 16
Fume Hood Controller Owner's Manual 8 Siemens Building Technologies, Inc. Low Speed Electronic Actuation Alternately, when speed of response is not an issue, slower speed electronic actuation may be used. This can be used when the change-of-s tate between High and Low can take place in 15 seconds or more. Low Speed Actuator (GMA 13x). Pneumati ...
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Siemens 125-5033 - page 17
Product Overview Siemens Building Technologies, Inc. 9 Figure 8. Pneumatic Actuator. Analog Output-Pneumatic (AO-P) Module The Analog Output-Pneumatic (AO-P) Module is an electric-to-pneumatic interface between the Fume Hood Controller and the pneumatic actuator. The AO-P Module translates electrical signals from the Fume Hood Controller into pneum ...
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Siemens 125-5033 - page 18
Fume Hood Controller Owner's Manual 10 Siemens Building Technologies, Inc. NOTE: While the pneumatic actuator is bei ng commanded, you may hear a hissing or clicking sound coming from the AO-P module. This is due to the movement of the air valves and the bleeding of air from t he actuator. This is normal operation. Differential Pressure Transm ...
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Siemens 125-5033 - page 19
Siemens Building Technologies, Inc. 11 2 Applications Fume Hood Controller: 2-Position Constant Volume Application 940 is designed for use with a cons tant volume or two-position fume hood in a manifold fume hood exhaust system. In this application, two position fume hoods have an individual exhaust damper or venturi air valve connected to a centra ...
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Siemens 125-5033 - page 20
Fume Hood Controller Owner's Manual 12 Siemens Building Technologies, Inc. Basic Operation The Fume Hood Controller provides Direct Di gital Control (DDC) technology for controlling fume hood face velocities in a manifolded fume hood exhaust system. High and Low Exhaust Flow Control The Fume Hood Controller can operate at two di fferent setpoi ...
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Siemens 125-5033 - page 21
Applications Siemens Building Technologies, Inc. 13 DO3 Output Functionality DO3 is designed to operate in two different m odes. DO3 can follow the alarm status of the controller by turning ON during alarm condi tions and OFF during normal operation; or DO3 can follow the HI.LOW setpoint status of the cont roller by turning ON while the controller ...
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Siemens 125-5033 - page 22
Fume Hood Controller Owner's Manual 14 Siemens Building Technologies, Inc. Alarm Strategies One approach is to use the ALARMs to indicate a condition that requires immediate attention and the WARNINGs to indicate a condition that may require attention but is not urgent. In that case, the alarm limits would be set to indicate t hat it is unsafe ...
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Siemens 125-5033 - page 23
Applications Siemens Building Technologies, Inc. 15 The fume hood operator may silence the horn by pressing the Horn Silence button on the ODP without affecting the Emergency Purge sequence. In addition to the ODP indicators, the emergency alarm point will toggle to ON and will remain ON until the sequence is canceled. If the emergenc y alarm is al ...
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Siemens 125-5033 - page 24
Fume Hood Controller Owner's Manual 16 Siemens Building Technologies, Inc. In addition to setting up the purge sequence to effectively handle the exhaust needs, decisions must be made on how to use the info rmation available at the central reporting station. Consult your local Siemens Buildi ng Technologies, Inc. representative for more inform ...
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Siemens 125-5033 - page 25
Point Database Siemens Building Technologies, Inc. 17 3 Point Database Chapter 3 presents a description of the Fume Hood Controller point database including point descriptors, point addresses, and a listing of applications in which each point is found. Address Descriptor Description 01 CTLR ADDRESS Identifies the controller on the FLN trunk. Valid ...
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Siemens 125-5033 - page 26
Fume Hood Controller Owner’ s Manual 18 Siemens Building Technologies, Inc. Address Descriptor Description 15 EMER STPT A value of the preset FLOW STPT, in percent, that the controller uses as the setpoint when EMER ALM is ON. 16 LOW WARN This point displays an ON or O FF status. When the exhaust flow goes below the value specified at LOW WARN LM ...
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Siemens 125-5033 - page 27
Point Database Siemens Building Technologies, Inc. 19 Address Descriptor Description 56 ODP STPT SW Indicates if the lowe r left butt on on the ODP has been pressed. This is a toggle action digital input; when pressed, t he controller changes betw een HI and LOW flow setpoints. 57 RIGHT SW Indicates if the right auxiliary button on the ODP has been ...
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Siemens 125-5033 - page 28
20 Siemens Building Technologies, Inc. 4 Troubleshooting This chapter describes corrective measures you can take should you encounter a problem when using the Fume Hood Controller. For issues not covered in this section, contact your local Siemens Building Technologies, Inc. representative. You are not required to do any controller tr oubleshooting ...
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Siemens 125-5033 - page 29
Troubleshooting Siemens Building Technologies, Inc. 21 Safety Features The controller board stores the controller's addr ess, applications, and point values. In the event of a power failure or a reset, these val ues are retrieved from the controller’s permanent memory and are used by the controlle r unless overridden by a field panel. Contro ...
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Siemens 125-5033 - page 30
22 Siemens Building Technologies, Inc. Glossary The glossary contains terms and acronyms that are used in this manual. For definitions of point database descriptors, see Chapter 3 - Point Database, in this manual. For definitions of commonly used terms as well as acronyms and abbreviations associated with the APOGEE Automation System, see the Techn ...
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Siemens 125-5033 - page 31
Glossary Siemens Building Technologies, Inc. 23 English units The foot-pound-second system of uni ts for weights and measurements. equipment controller A FLN device which provides additional point c apacity to a field panel or provides DDC to individual room or mechanical equipment c ontrol. The FHC is a specialized equipment controller. field pane ...
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Siemens 125-5033 - page 32
Fume Hood Controller Owner's Manual 24 Siemens Building Technologies, Inc. ON text Text indicating the energized state of a di gital point (for example, ON, OPEN, YES). override switch Button on room temperature sensor which can be pressed by an occupant to change the status of a room from night mode to day mode for a predetermined time. PID P ...
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Siemens 125-5033 - page 33
Glossary Siemens Building Technologies, Inc. 25 Terminal Equipment Controller Siemens Building Technologies, Inc. product family of equipment controllers (one is the Unit Conditioner Controller – Electronic Output) t hat house the applications software used to control terminal units, such as heat pum ps, VAV terminal boxes, fan coil units, unit v ...
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Siemens 125-5033 - page 34
26 Siemens Building Technologies, Inc. Index A AI see analog input airflow s ensor ..................................................... 9 analog input ........................................................ 2 analog output ..................................................... 2 AO ........................................... see analog output AO-P ...
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Siemens 125-5033 - page 35
Index Siemens Building Technologies, Inc. 27 analog ............................................................. 3 digital .............................................................. 3 horn silence button ............................................. 4 L laboratory exhaust air terminal ........................... 5 Light Emitti ng Diodes ...... ...
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