Siemens 125-5033 - Manuals

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 controller consists of a controller board and a controller enclosure. The controller board (Figure...

Fume Hood Controller Owner's Manual 2 Siemens Building Technologies, Inc. Table 1. Fume Hood Controller – Electronic Output Applications. Application Description 940 2 Position Fume Hood Controller Ordering Notes Fume Hood Controller – Electronic Output (940) 546-00750 Figure 1. Fume Hood Controller...

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) ...

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 (LE...

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 ...

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 ductwork construction. It is also available in TEFLON® coated 18-gauge steel for hig...

Product Overview Siemens Building Technologies, Inc. 7 High Speed Electronic Actuation The High speed electronic actuator assembly consists of two parts, the electronic actuator and the interface board. The actuator is connected to the exhaust flow control device in the fume hood exhaust duct. The e...

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-state between High and Low can take place in 15 seconds or ...

Fume Hood Controller Owner's Manual 10 Siemens Building Technologies, Inc. NOTE: While the pneumatic actuator is being 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 the actuator. This is nor...

Siemens Building Technologies, Inc. 11 2 Applications Fume Hood Controller: 2-Position Constant Volume Application 940 is designed for use with a constant volume or two-position fume hood in a manifold fume hood exhaust system. In this application, two position fume hoods have an individual exhaust ...

Fume Hood Controller Owner's Manual 12 Siemens Building Technologies, Inc. Basic Operation The Fume Hood Controller provides Direct Digital 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 Con...

Applications Siemens Building Technologies, Inc. 13 DO3 Output Functionality DO3 is designed to operate in two different modes. DO3 can follow the alarm status of the controller by turning ON during alarm conditions and OFF during normal operation; or DO3 can follow the HI.LOW setpoint status of the...

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 limit...

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 s...

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 information available at the central reporting station. Consult your local Siemens Building Techno...

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 ...

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 ...

Troubleshooting Siemens Building Technologies, Inc. 21 Safety Features The controller board stores the controller's address, applications, and point values. In the event of a power failure or a reset, these values are retrieved from the controller’s permanent memory and are used by the controller un...

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 associate...

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) that house the applications software used to control terminal units, such as heat pum...

26 Siemens Building Technologies, Inc. Index A AI see analog input airflow sensor ..................................................... 9 analog input ........................................................ 2 analog output ..................................................... 2 AO ....................