Siemens 125-1957 owner manual Service Statement

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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, and can radiate radio frequency energy and if not installed and used in accordance with the instructions manual, may cause interference to radio communications. It has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against such interference 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 must be regularly serviced to optimize their operation. All Siemens Building Technologies branch offices and authorized distributors offer Technical Support Programs that will ensure your continuous, trouble-free system performance.

For further information, contact your nearest Siemens Building Technologies, Inc. representative.

Copyright 2006 by Siemens Building Technologies, Inc.

TO THE READER

Your feedback is important to us. If you have comments about this manual, please submit them to SBT_technical.editor.us.sbt@siemens.com

CREDITS

APOGEE is a registered trademark of Siemens Building Technologies, Inc.

Insight for Minicomputers is a registered trademark of Siemens Building Technologies, Inc. Insight for Personal Computers is a registered trademark of Siemens Building Technologies, Inc.

Country of Origin: US

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Contents 125-1957 Rev. CA, July Apogee Unit Vent Controller ⎯Page Service Statement Page Table of Contents Point Database Troubleshooting Table of Contents Manual Organization How To Use This ManualDatamate Software Manual SymbolsNotation Symbol Meaning Manual ConventionsGetting Help Where To Send CommentsStandard Applications Product OverviewIntroduction Ordering NotesHardware Inputs AnalogDigital Analog 0 to Power WiringCommunication Wiring Hardware OutputsController LED Indicators Temperature SensorsRoom Temperature Sensor Valve Actuators Mixed Air/Discharge Air Temperature SensorActuators Damper ActuatorsBasic Operation Control Temperature SetpointsDay/Night Mode ApplicationsValve Configuration Heating and Cooling SwitchoverControl Loops Fan Operation Morning Warm-up/Cool-downON/OFF Coil Valve Control Electric HeatBasic Operation Application 2281 Control Drawing Application 2281 Control Drawing Application 2281 Control Drawing Application 2283 Control Drawing Application 2283 Control Drawing Application 2283 Control Drawing Application 2284 Control Drawing Application 2284 Heating and DX Cooling, Ashrae Cycles IApplication 2284 Heating and DX Cooling, Ashrae Cycles I Application 2286 Control Drawing Application 2286 Heating and DX Cooling, Ashrae CycleApplication 2286 Heating and DX Cooling, Ashrae Cycle Overview Application 2287 Heating and Cooling Nesbitt Cycle WApplication 2287 Heating and Cooling Nesbitt Cycle W Application 2299 Slave Mode Descriptor Address Application Description Point DatabaseRM Stpt Dial Wall SwitchRM Stpt MIN RM Stpt MAXFree CLG Ovrd TimeNGT Ovrd AUX.NOAUXAOV2 Start AOV1SPANAOV1START AOV2 SpanFAN NGT CLG ModeEheat Ehea TCLG D Gain CLG OutputOA Dmpr POS CLG P GainOA Loopout Switch LimitSwitch Time MA LoopoutMorn Dband Switch DbandError Status NGT DbandTroubleshooting Basic Service InformationOverview Controller LEDs Ordering Replacement PartsPreventive Maintenance Safety FeaturesControl loop GlossaryAlgorithm Centralized controlIntercept English unitsEquipment controller Field panelSl units Override switchSlave mode On textUnbundle FLN IndexBST LED DDCTX LED RTS

125-1957 specifications

Siemens 125-1957, a notable creation of the German engineering giant Siemens, is recognized for its innovative design and advanced technology in the realm of electrical engineering. This model is emblematic of the mid-20th century's commitment to optimizing electrical machinery for industrial applications, contributing to enhanced productivity and efficiency.

One of the main features of the Siemens 125-1957 is its robust construction, designed to withstand the demanding environments of industrial settings. The body of the machine is built from high-grade materials, ensuring durability and longevity. It is also designed to minimize vibration and noise during operation, thus enhancing the user experience.

Technologically, the Siemens 125-1957 incorporates advanced electric motor technology, which provides reliable performance across a variety of applications. The motor is designed for high efficiency, allowing it to operate effectively under load while consuming less energy. This efficiency is crucial in industrial applications where operational costs are significant. The motor is also equipped with thermally protected windings, which prevent overheating and extend the service life of the equipment.

The 125-1957 model is characterized by its adaptability in various operational settings. It is compatible with a range of automation systems, making it a versatile choice for factories and production lines. Its design allows for easy integration with existing equipment, minimizing downtime during installation.

Moreover, the Siemens 125-1957 boasts a user-friendly interface, making it accessible for operators with varying levels of expertise. It comes with comprehensive safety features, including circuit protection and emergency stops, ensuring that it meets the strict industrial safety standards.

In summary, the Siemens 125-1957 represents a blend of robust design, advanced motor technology, and user-oriented features. With its energy-efficient performance and adaptability, it stands out as a key asset in industrial electrical engineering, demonstrating Siemens' commitment to innovation and quality in the manufacturing sector. This model continues to be relevant, supporting various industries in their pursuit of efficiency and reliability.
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