Sunday, December 16, 2018

Standard HVAC Control Systems: Operation And Maintenance For Maintenance Mechanics (Free PDF)

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USACERL FACILITIES ENGINEERING APPLICATIONS PROGRAM (FEAP): STANDARD HVAC CONTROL SYSTEMS OPERATION AND MAINTENANCE FOR MAINTENANCE MECHANICS (JUL-1996)., The U.S. Army Corps of Engineers has published documents that describe and define design requirements and specifications for Corps-standard heating, ventilating, and air-conditioning (HVAC) control systems and hardware. However, those documents are too large and complex to be field-usable for operations and maintenance (O&M) training and reference purposes. In-lab investigations by the U.S. Army Construction Engineering Research Laboratories (USACERL) and extensive field experience with Corps-standard HVAC control systems (including control panels and equipment) have provided the authors the basis for identifying operation and maintenance procedures directly applicable to O&M personnel in the field. Information from previously published HVAC control systems technical documentation has been combined into this one- volume reference designed specifically for training and field use by Army HVAC O&M personnel. The objective of this report is to provide a field-usable training and reference manual for HVAC O&M personnel. In 1990 the U.S. Army Corps of Engineers published a heating, ventilating, and air- conditioning (HVAC) control systems guide specification (CEGS-15950), and in 1991 a HVAC control systems technical manual (TM 5-815-3) was issued. These documents describe and provide definitive requirements for Corps HVAC control systems and hardware. The technical requirements spelled out in CEGS-15950 and TM 5-815-3 are based on needs identified by extensive field experience and follow-up research. Many of the fundamental requirements are based on the text of the Air Force Engineering Technical Letter (ETL) 83-1, which identifies serious operation and maintenance (O&M) deficiencies that have been experienced with HVAC control systems. This document is a continuation of the Corps efforts to improve HVAC control system O&M.

SF 298

List Of Figures And Tables
1. Introduction
2. Training And Technical Assistance
3. Introduction To HVAC Control Theory
4. Standard HVAC Control Systems And Loops
5. Operation And Maintenance Documentation
6. Operation
7. Maintenance
8. Preventive/Recurring Maintenance And Safety
9. Summary
Abbreviations And Acronyms
APPENDIX A: Standard Control Symbols
APPENDIX B: Controller V/MA Conversation To Temperature Tables
APPENDIX C: Transmitter MA Output Versus Process Variable Input Tables
APPENDIX D: Standard Resistance Values For 100 ohm Platinum RTD Tables

Author Details
"Glen A. Chamberlin"
"David M. Schwenk"

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