A Field Perspective on Engineering Commissioning Resources
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    • Bureaucratic Affairs Building HHW System Logic Exercise
    • Bureaucratic Affairs Building Scavenger Hunt
    • Chilled Water Plant System Diagram Exercise
    • The HIjend Hotel >
      • Chilled Water Plant Scoping Exercise
      • Ballroom AHU Scoping Exercise
      • Cooling Tower Scoping Exercise
  • Tools
    • Altitude Correction Factor
    • Economizer Evaluation Checklist
    • Eikon for Educators and WindLGC
    • Effective Duct Length Tool
    • Excel Third Axis Tool
    • Excel Time Value Conversion
    • Insulation Savings Tools
    • Logic Diagram Tool >
      • Logic Diagram Example - Discharge Air
      • Logic Diagram Example - CHW Plant 01
      • Logic Diagram Example - VAV AHU
    • Mixed Air Calculations
    • Monitoring Plan Spreadsheet
    • Pipe Friction Chart
    • Plot Digitizer >
      • Plot Digitizer Pump Curve Example
    • Square Law Spreadsheet
    • System Diagram Symbols
    • Thermodynamic Diagrams Spreadsheet
    • Universal Translator Data Analysis Tool
    • y = (m * x) + b Spreadsheet
  • Useful Formulas
    • Affinity Laws
    • Circular Equivalent Duct
    • Effective Duct Length
    • FT Guide Appendix C
    • HVAC Equations and Concepts
    • Hydraulic Diameter
    • Pump Power and Energy
    • "Square Law"
  • What's That Thing?
    • Cooling Towers
    • Pumps
    • Valves
  • Resources
    • Bill Coad's Writings
    • Data Logging Resources
    • EBCx Skills Guidebook
    • Energy Design Resources
    • Fisher Controls Valve Cavitation Bulletin
    • Functional Testing Guide
    • Honeywell Gray Manual
    • MCC Powers Bulletins
    • NBCIP Reports
    • PEC Tool Lending Library
    • PID Resources
    • Pneumatic Control Resources
    • Resource List
    • Scoping Resources
    • TAB Resources
    • Vintage Carrier Design Manual
    • VRF Systems
    • Williams' Wisdom
  • Videos
    • Bureaucratic Affairs HHW Logic Answers
    • Cooling Tower Flow Variation
    • Economizer Stratification
    • Functional Testing
    • Induction Principles
    • Monitoring Plans
    • CW Pump Deadheaded by Tower Lift
    • Ripple Effects
    • Testing a Pump
    • The Garden of Low Entropy
    • Variable Flow Systems
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Commissioning Heat Pump Systems​

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CLASS MATERIALS

​This is where I will be uploading the materials for the class series I will help support on Commissioning Heat Pump Systems.   The materials for each session will be fully uploaded by approximately 7:30 - 8:00 AM on the day of the class.
​DAY 1 - OCTOBER 17, 2023
01_-_introduction_v9.pdf
File Size: 10090 kb
File Type: pdf
Download File

03_-_how_buildings_use_heat_v9.pdf
File Size: 8955 kb
File Type: pdf
Download File

05_-_heat_pump_system_types_v5.pdf
File Size: 2051 kb
File Type: pdf
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02_-_introduction_to_cx_v2.pdf
File Size: 5437 kb
File Type: pdf
Download File

04_-_a_closer_look_at_heat_pumps_v9.pdf
File Size: 10775 kb
File Type: pdf
Download File

​DAY 2 - OCTOBER 19, 2023
The .pdf file to the right contains the presentation I will used today.  The .zip file has some supporting information you may want to reference. The files below are materials for some exercises we may work on, time permitting.
01_-_ventilation_integration_v7.pdf
File Size: 20515 kb
File Type: pdf
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supporting_materials.zip
File Size: 84915 kb
File Type: zip
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01_-__colorado_mau_exercise.zip
File Size: 21930 kb
File Type: zip
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03_-__seattle_hrv_exercise.zip
File Size: 14765 kb
File Type: zip
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02_-_seattle_hru_exercise_.zip
File Size: 104043 kb
File Type: zip
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04_-_ft_leavenworth_kansas_doas_exercise.zip
File Size: 6610 kb
File Type: zip
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FOLLOW UP
​
The files below are things I mentioned I would post after class.  The .xlsx file is the spreadsheet we developed in class to look at how the capacity requirement for the electric preheat coil varied with outdoor air temperature.  The .zip file has information on how purge works on an energy wheel and also has information about maintenance, cleaning, etc. for one of the more common manufacturer's in the industry.
electric_heat_example.xlsx
File Size: 349 kb
File Type: xlsx
Download File

heat_and_energy_wheel_purge.zip
File Size: 1277 kb
File Type: zip
Download File

​DAY 3 - OCTOBER 24, 2023
The .pdf files to the right contain the presentations I will used today.   The files below are materials for some exercises we may work on, time permitting.
heat_pump_cx_new_construction_v9.pdf
File Size: 19449 kb
File Type: pdf
Download File

refrigeration_piping_subset.pdf
File Size: 2693 kb
File Type: pdf
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point_list_blank.xlsx
File Size: 17 kb
File Type: xlsx
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water_source_heat_pump_loop.zip
File Size: 30830 kb
File Type: zip
Download File

​DAY 4 - OCTOBER 25, 2023
The .pdf files to the right contain the presentations I will used today.   The files below are supplementary resources and/or materials for some exercises we may work on, time permitting.
heat_pump_cx_existing_buildings_v12.pdf
File Size: 13698 kb
File Type: pdf
Download File

rancho_las_palmas_system_diagram_v1.pdf
File Size: 108 kb
File Type: pdf
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parts_manual_example.pdf
File Size: 2198 kb
File Type: pdf
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01_-_water_source_heat_pump_loop.zip
File Size: 4476 kb
File Type: zip
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vrf_controls_subset_san.pdf
File Size: 48070 kb
File Type: pdf
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david.zip
File Size: 289 kb
File Type: zip
Download File

DAY 5 - OCTOBER 26, 2023
The .pdf file to the right is the presentation I will used today.   The files below are supplementary resources and/or materials for some exercises we may work on, time permitting.
the_allready_all_electric_building_v2.pdf
File Size: 16195 kb
File Type: pdf
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water_source_loop_equipment_examples.zip
File Size: 34307 kb
File Type: zip
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vrf_controls_subset_san.pdf
File Size: 48070 kb
File Type: pdf
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2023-10-26__fan_powered_terminal_unit_information.zip
File Size: 1101 kb
File Type: zip
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rcx_report_sanitized.pdf
File Size: 2147 kb
File Type: pdf
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2023-10-26_central_plant_system_diagrams.zip
File Size: 7922 kb
File Type: zip
Download File

FOLLOW UP
Here is the follow-up information I mentioned that I would post in the classes last week.   Note that there are also some follow up files posted with the Day 2 materials above.  Also note that I am still trying to find out how to get a parts diagram like the one I showed for Mitsubishi VRF equipment for Daikin VRF equipment.  I will post that here when I get it so check back occasionally.
​
​The files below are a number of different resources that illustrate and/or discuss retrofit options for radiant slabs.
manual-edition8.pdf
File Size: 2930 kb
File Type: pdf
Download File

technical_manual_855.601.pdf
File Size: 1934 kb
File Type: pdf
Download File

These resources discuss different efficiency metrics used with heat pumps and refrigeration equipment like Integrated Part Load Value (IPLV) and Integrated Energy Efficiency Ration (IEER) including some discussion of their evolution.
trane_engineering_bulletin_ari_standard_550_590.pdf
File Size: 121 kb
File Type: pdf
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trane_commercial_doe_2023_overview.pdf
File Size: 681 kb
File Type: pdf
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doe_chapter_4_53827-4.pdf
File Size: 945 kb
File Type: pdf
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ari_550_590_2003.pdf
File Size: 375 kb
File Type: pdf
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eer_vs_ieer.pdf
File Size: 433 kb
File Type: pdf
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The files below are the examples we developed in class.
point_list_blank.xlsx
File Size: 17 kb
File Type: xlsx
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day_5_class_example.xlsx
File Size: 206 kb
File Type: xlsx
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pump_head_estimate_and_delta_t_example.xlsx
File Size: 203 kb
File Type: xlsx
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day_5_class_example_-_my_further_development.xlsx
File Size: 210 kb
File Type: xlsx
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Finally, I also shared a number of links to resources that I used or discussed.
are the links I shared in the chat.
  •  https://www.av8rdas.com/magazine-articles.html#RightSize (illustrates how to do the pump head and fan static estimate based on field observations) 
  • https://www.av8rdas.com/energy-design-resources.html (illustrate the same and also how to do a pump test)
  •  https://www.av8rdas.com/testing-a-pump.html (how to test a pump) 
  • https://www.av8rdas.com/plot-digitizer.html and https://www.av8rdas.com/plot-digitizer-pump-curve-example.html (plot digitizer)
  •  ​https://www.av8rdas.com/hvac-equations-and-concepts.html (reference for the relationships I used)
 

Pacific Energy Center Class Materials Archive

The content of the classes at the PEC is constantly changing.  So, the most recent version of a given class may be different from the class you took and if you are looking for a specific item of information from the session you attended, you may not find it in the most recent version saved on the PEC Class Materials web page.   So, I am going to archive the old class materials to this location when I do a new version of a class.  Just page down to see what is available.

Since I just created the website in April of 2018, there will be nothing here for classes that are older than that.  But if you are looking for something from years prior to that, just let me know and I will see what I have and add it.
Design, Performance and Cx Issues
Pumps
RCx 101
Control Systems
Fans, Ducts, AHUs
CHW and CW Systems
System Diagrams
Logic Diagrams
VSDs
EBCx Project Review
EBCx Workshop Series 12
EBCx Workshop Series 13
EBCx Workshop Series 14
EBCx Workshop Series 15
 

Design, Performance and Commissioning Issues Classes

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Unless somebody asks for something older, there will not be anything here prior to April of 2017 since that is when we first put the web page together.  But if you are looking for something older than that, let me know and I will see what I can find in my archives.
 

Variable Speed Drives;  Design, Performance and Commissioning Issues

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These are the materials for the Variable Speed drives class.  Variable speed drives, in particular, variable frequency drives are workhorses in our industry and this class is targeted at helping you understand them both from an application standpoint and an electrical engineering standpoint. 
VSD Class Materials (2017-12-12_variable_speed_drive_class.zip)
File Size: 152616 kb
File Type: zip
Download File

 

Fans, Ducts and AHUs;  Design, Performance and Commissioning Issues

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These are the materials for the Fans, Ducts and Air Handling Units class.  Fans and air handling systems are very common in our facilities.  Just about every building out there has some sort of air handling system in it, even if it is just a Cadet electric space heater. 
SketchUp Models (sketchup_models.zip)
File Size: 31711 kb
File Type: zip
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Supporting Information (support.zip)
File Size: 8323 kb
File Type: zip
Download File

Presentation PDFs and a Revised Model (pdf_presentations_and_revised_model.zip)
File Size: 68054 kb
File Type: zip
Download File

Note that the "Followup" file includes a zip file describing the other files and folders it contains.
Followup Materials) followup.zip)
File Size: 112270 kb
File Type: zip
Download File

 

Logic Diagram and Control Sequence Workshop

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This all day class focuses on control system logic and how to convey it via logic diagrams and narrative descriptions. 
The general agenda is as follows:
  • Introduction and General Concepts
  • How to Develop a Control Sequence
  • How to Present Control Logic
  • Applying the Concepts
In the Applying the Concepts section, the class works interactively with the instructor to develop some basic control logic for a simple heating hot water system serving the imaginary Bureaucratic Affairs Building that has been modeled in Sketchup.   The logic is developed using an Excel based tool that is then provided to the students so they can pursue the ongoing use of logic diagrams in their project work.
​
The links below will allow you to download zip files that contain the presentation files for this class as .pdfs, along with all of the resources and exercise materials associated with the most recent version of the class.
2017-08-01_logic_diagram_workshop_materials.zip
File Size: 74632 kb
File Type: zip
Download File

 

Control Systems; Design, Performance and Commissioning Issues

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​This class focuses on control systems, which are the brains and central nervous system for our buildings.   You can have the perfect design with ideal, peak efficiency equipment selections and if you put a poorly designed or implemented control system on top of it, you will likely end up with an inefficient mess (and occasionally, debris).
This class features afternoon lab sessions where the students get hands-on with demonstrators that give them direct experience with some of the concepts discussed during the morning lecture.
Slides (pdf_presentations.zip)
File Size: 35897 kb
File Type: zip
Download File

SketchUp Models (sketchup_models.zip)
File Size: 72815 kb
File Type: zip
Download File

Supporting Information (supporting_information.zip)
File Size: 3937 kb
File Type: zip
Download File

Lab Guides (lab_guides.zip)
File Size: 63649 kb
File Type: zip
Download File

Followup Materials

The folder below contains the materials I mentioned that I would provide during the course of our class session including the following:.   
  • Sample Control System Design Documents:  These are the drawings and specifications for a control system design for a fire station in Seattle.
  • Sample Cx Tests:  These are examples of tests we used to commission the control system for a condenser water system and then commission the condenser water system itself.  There is also an example of a test to commission an air handling unit control system.
  • Logic Diagram Tool v2.xlsm and Logic Diagram Symbols v4.ppsx:  The spreadsheet is the logic diagram tool I mentioned in class and the PowerPoint file explains the symbols in detail.  If you put the files in the same folder, then when you click on a symbol in the symbol list in the spreadsheet, the PowerPoint file will open up to the slide that explains the symbol.  Note that you an also download these files from my Logic Diagram Tool webpage.  So you may want to check back there every once-in-a-while to see if I have uploaded a new version with more symbols or added more examples.
Followup (control_systems_design_performance_cx_followup.zip)
File Size: 24668 kb
File Type: zip
Download File

 

2018 System Diagram Workshop

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These are the materials for a workshop that focuses on developing an understanding of the system concept, and system diagrams as a way to express the system concept for a specific system.  It explores the system diagram as a design tool as well as its function as an operational tool using interactive exercises and case studies.  The general agenda of the class is as follows:
  1. Introduction and Overview to the System Concept
  2. System Diagram Concepts including key concepts., tools and development resources, and water vs. air system diagrams.
Note that the READ ME file for the follow-up files is in the Follow-Up Materials 01 zip file.
Presentation .pdf Files (presentation_pdf_files.zip)
File Size: 18168 kb
File Type: zip
Download File

Materials for Exercises (exercise_support.zip)
File Size: 140735 kb
File Type: zip
Download File

More Materials for Exercises (exercise_support_2.zip)
File Size: 3875 kb
File Type: zip
Download File

Follow Up Materials 01 (follow_up_01.zip)
File Size: 79327 kb
File Type: zip
Download File

Follow Up Materials 02 (follow_up_02.zip)
File Size: 154891 kb
File Type: zip
Download File

 

2017 System Diagram Workshop Materials

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These are the materials for a workshop about how to make and use system diagrams.    
Presentation Slides (presentation_pdf_files.zip)
File Size: 15591 kb
File Type: zip
Download File

Models and Materials for Exercises (exercise_materials.zip)
File Size: 172682 kb
File Type: zip
Download File

Sample System Diagrams (samples.zip)
File Size: 177988 kb
File Type: zip
Download File

Follow Up Materials and Class Slide Mark-ups (follow_up_materials.zip)
File Size: 56736 kb
File Type: zip
Download File

 

2019 RCx 101

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This is a class that focuses on Retrocommissioning Skills and is also a prerequisite for taking the year long Existing Building Commissioning Workshop at the Pacific Energy Center.
SketchUp Models (models.zip)
File Size: 80477 kb
File Type: zip
Download File

Exercise Materials (exercise_materials.zip)
File Size: 25309 kb
File Type: zip
Download File

Presentation Slides (presentation_pdf_files.zip)
File Size: 33787 kb
File Type: zip
Download File

Follow Up Information (follow-up.zip)
File Size: 125407 kb
File Type: zip
Download File

 

2018 RCx 101

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This class is a prerequisite to taking the year-long Existing Building Commissioning Workshop Series that is offered at the Pacific Energy Center.  It is also intended to provide an overview of the technical side of the existing building commissioning process built on the framework of the 10 Key Commissioning Skills.

The general agenda is as follows:
  • Introduction to Existing Building Commissioning Workshop Series and the 10 Skills
  • A Closer Look at the 10 Skills
  • Starting Your Project;  Focusing on Scoping and Bench-marking a Facility and Performing a Utility Analysis
  • Practicing What You Have Learned via Interactive Scoping Exercises
    • Chilled Water Plant
    • Hotel Ballroom Air Handling System
​The links below will allow you to download zip files that contain the presentation files for this class as .pdfs, along with all of the resources and exercise materials associated with the most recent version of the class.
2017-05-23_rcx_101_class_materials.zip
File Size: 160723 kb
File Type: zip
Download File

 
 

Chilled and Condenser Water Systems;  Design, Performance and Commissioning Issues

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This all day class  focuses on chilled and condenser water systems and complements the Pumps and Piping systems class and the Variable Speed Drives class.  The general agenda is as follows:
  • Introduction
  • Chillers
  • Cooling Towers
  • Heat Exchangers
  • System Configurations and Dynamics
  • Commissioning Chilled and Condenser Water Systems
  • Interactive Exercises
  • Commissioning and Wrap-up
The links below will allow you to download zip files that contain the presentation files for this class as .pdfs, along with all of the resources and exercise materials associated with the most recent version of the class.
2017-05-02_chw_and_cw_systems_class_materials_-_part_1.zip
File Size: 212084 kb
File Type: zip
Download File

2017-05-02_chw_and_cw_systems_class_materials_-_part_2_.zip
File Size: 80073 kb
File Type: zip
Download File

 

Pumps and Pipes;  Design, Performance and Commissioning Issues

April 2017 Class

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​This is an all day class that focuses on pumps and piping systems and is the foundation for some of the other classes that follow that consider different types of pumping and piping systems.  Topics include
  • Pump Basics
  • Pump Curves, System Curves, and Pump Tests
  • Pipe, Valves and Fittings
  • Open vs. Closed Systems
  • Parallel and Series Pump Basics and Pump/Motor Interactions
  • Optimizing Pumps
  • Commissioning and Wrap-up
The link below will allow you to download a zip file that contains the presentation files for this class as .pdfs, along with all of the resources and exercise materials associated with the most recent version of the class.
2017-04-04_pumps_class_materials.zip
File Size: 72962 kb
File Type: zip
Download File

 

Existing Building Commissioning Project Review Classes

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Unless somebody asks for something older, there will not be anything in this category until next April, when we repeat the Pumps;  Design, Performance and Commissioning Issues class.
 

Existing Building Commissioning Workshop Series 12 Materials

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I recently received a request from one of the Series 12 attendees who had lost there copies of the class materials for a copy of anything I could share.  The zip files below contain everything that I had in my archives.  The information in the files is sequential by date. 
​
This is all of the information I provided for sure along with some, but not all of the other information that was provided in the class. 
For instance, I typically did not have access to the files Ryan would share. So, if you are looking for something from this year, you may also want to reach out to him at [email protected].  It would be desirable to include the words "EBCx Workshop Series 12 Materials" in the subject line to catch his attention.
 
series_12_01.zip
File Size: 197634 kb
File Type: zip
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series_12_02.zip
File Size: 112609 kb
File Type: zip
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series_12_03.zip
File Size: 219028 kb
File Type: zip
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series_12_04.zip
File Size: 63310 kb
File Type: zip
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series_12_05.zip
File Size: 223626 kb
File Type: zip
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series_12_06.zip
File Size: 69964 kb
File Type: zip
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series_12_07.zip
File Size: 254110 kb
File Type: zip
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series_12_08.zip
File Size: 217879 kb
File Type: zip
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series_12_09.zip
File Size: 246191 kb
File Type: zip
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Existing Building Commissioning Workshop Series 13 Materials

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As indicated on the main page, the true source for the materials for the existing building commissioning class workshop is the FTP site Ryan maintains.  If you need information regarding how to access it, you should contact him via e-mail at [email protected].  It would be desirable to include the words "EBCx Workshop Series 13 Materials FTP Site Access" in the subject line to catch his attention.

The materials below are the materials I provide for the portions of the workshop that I teach.   I am going to keep placing them here so that you can access them before class if you want and also to make it easy for Ryan to pull them back for the FTP site. 
If someone is looking for materials from a session prior to Series 13, Ryan should probably be your first contact (see above for his e-mail) since he has everything vs. just the information I contribute.  But you should also feel free to get in touch with me if you are looking specifically for something that I provided and I will see if I can find it in my archives.
​​
Note that for the follow-up materials, I generally put a Read Me file in with the other files to explain what each of them is.
Session 1
Session 4/5
Session 9
Session 2
Session 6
Session 10
Session 3
Session 8
Session 11
 
Session 1
Session 1 Materials (series_13_session_1_ds_materials.zip)
File Size: 84903 kb
File Type: zip
Download File

 
Session 2
Session 2 Materials (series_13_session_2_ds_materials.zip)
File Size: 172781 kb
File Type: zip
Download File

Session 2 Follow Up (series_13_session_2_follow_up_materials.zip)
File Size: 56245 kb
File Type: zip
Download File

 
Session 3
Session 3 Lecture (lecture_materials.zip)
File Size: 59639 kb
File Type: zip
Download File

Session 3 Lab (lab_materials.zip)
File Size: 40500 kb
File Type: zip
Download File

 
Sessions 4 and 5
​Lecture Materials
Lecture Slides (introduction_to_functional_testing_v4.pptx)
File Size: 19372 kb
File Type: pptx
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Byers Hall Photographs
These are all of the photographs I took during the time I was on site.  I tried to select names for the pictures that described what they were but if you have questions, just e-mail me.
CHW and CW Systems (pictures_01.zip)
File Size: 241447 kb
File Type: zip
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HW system and Boilers (pictures_02_.zip)
File Size: 169437 kb
File Type: zip
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Misc and MRI Magnet Cooling (pictures_03.zip)
File Size: 139476 kb
File Type: zip
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Rooftop AHUs (pictures_04.zip)
File Size: 124235 kb
File Type: zip
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Cooling Tower Stills and Test Data (pictures_05.zip)
File Size: 39779 kb
File Type: zip
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Boiler Firing Cycle
This is an extremely moving and exiting video I took that shows how the boiler linkages move during a firing cycle.  You'll laugh, you'll cry, it will change your life.

I started it right at the end of the purge cycle, so the video starts with the system moving from full air flow with no gas to purge the boiler.  If you listen to the audio, you can hear the various stages of the firing cycle.   The timing was as follows:
  • 60 seconds purge
  • 20 seconds pilot
  • 72 seconds main flame ignition and firing
  • 5 seconds main flame off and shutdown
  • 150 seconds off
The cycle repeated in a regular pattern.
There are a couple of blog posts that look at the energy implications of boiler short cycling if you want to understand how to assess an issue like this.

I also have videos of the cooling tower flow issue but I am going to put them up on a separate page I am developing to highlight cooling tower flow problems since I think they are not well recognized.  I will assess the performance implications of all of this in an upcoming blog post.
Lab Materials
Lab Materials (lab.zip)
File Size: 69424 kb
File Type: zip
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Findings List
​The file below is the findings list I put together during the time I was on site at Byers Hall. I plan to develop some of the information for the condenser water pump optimization and cooling tower flow issue and put it up in a blog post, so you might want to watch for that.
Findings List (ds_findings_list_v1.xlsx)
File Size: 719 kb
File Type: xlsx
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​Equipment Information
The next file is information I pulled of the internet regarding the CW pump performance, the cooling towers, the flow control valves on the chillers, and the boilers along with the balancing valve information Ryan pulled back. 

The boiler information includes some detailed information about the NOx control methodology that the boilers use; i.e. the duct and control apparatus that injected flue gas into the combustion air box.  Since the flue as is inert in terms of the combustion process, injecting it into the combustion air will not impact the fuel air ratio. 

But injecting the flue gas will increase the mass flow through the combustion process and thus, cool the flame (the flame is in the 2,500°F range or higher, so at 400 - 600°F, the flue gasses are relatively cool).   The cooler flame reduces the amount of NOx generated, but also impacts over-all boiler efficiency a bit in a negative way.
Equipment Information (equipment_information.zip)
File Size: 10282 kb
File Type: zip
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Miscellaneous Followup Materials
This file contains all of the other follow-up information.  Mostly it is related to the lecture session at the PEC, including additional information about the flywheel test I used as an example and information from Sporlan about the refrigeration cycle and some of the components that make it work including the expansion valves and hot gas regulators.   There is also a copy of the psych chart we developed in the lab session.

I also included the presentation on the Perfect Economizer that I mentioned when Ryan shared and the economizer diagnostic in the UT.  It provides a bit more insight into how the diagnostic lines are created and also illustrates how the economizer will perform in a more extreme climate than San Francisco, where you may encounter conditions that drive you to minimum outdoor air in extremely cold weather and thus require preheat.
Miscellaneous Followup Materials (followup.zip)
File Size: 131548 kb
File Type: zip
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Session 6
EBCx Checklist Tool (ebcx_checklist_v8.xlsb)
File Size: 265 kb
File Type: xlsb
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Supporting Information (supporting_information.zip)
File Size: 225031 kb
File Type: zip
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Reviewed System Diagrams (system_diagrams.zip)
File Size: 14286 kb
File Type: zip
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Logic Diagram Tool (logic_diagram_tool.xlsm)
File Size: 4749 kb
File Type: xlsm
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UCSF Followup (ucsf_followup.zip)
File Size: 6709 kb
File Type: zip
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Lab Materials (lab_materials.zip)
File Size: 69424 kb
File Type: zip
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Session 8
Note that the Followup Materials zip file includes a Read Me file that describes the other files.
Lecture and Lab Materials (2018-03-08_materials.zip)
File Size: 65277 kb
File Type: zip
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Followup Materials (follow-up.zip)
File Size: 4440 kb
File Type: zip
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Session 9
Note that the Followup Materials zip file includes a Read Me file that describes the other files.
Lab and Lecture Materials (2018-04-12.zip)
File Size: 55440 kb
File Type: zip
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Follow Up Materials (followup.zip)
File Size: 117590 kb
File Type: zip
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Session 10
Note that the Followup Materials zip file includes a Read Me file that describes the other files.  It also includes Tony's slides.
2018-05-02.zip
File Size: 142590 kb
File Type: zip
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Follow Up Materials (followup.zip)
File Size: 67440 kb
File Type: zip
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Session 11
These are the materials I used in the lab session, including a READ ME file describing each of the files.
2018-06-07 Lab Materials (lab.zip)
File Size: 31395 kb
File Type: zip
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System Diagram Techniques and Reset Schedule Calculation Techniques
gotomeeting_with_john.zip
File Size: 10084 kb
File Type: zip
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This video is a recording of a GoToMeeting session I did with John, which he generously offered to make public since the information may be of value to others. 

​In it, we discuss his system diagrams, including doing some edits interactively, and also how to go about doing a savings calculation for a reset schedule on a hot water system.  We also touch on how to calculate the savings associated with eliminating boiler short cycling.  I have string of blog posts that discuss the steps in that process in detail.

The zip file to the left includes the resources I mention in our discussion, including a spreadsheet with an example reset savings calculation in it.  There is a READ ME file included that describes the other files.
System Diagram Techniques, Fan Static Estimates, Schedule Optimization, and Fan Static Reduction Savings Assessment Techniques

​This video is a recording of a GoToMeeting session I did with Lane, which he generously offered to make public since the information may be of value to others. ​

In the video, we briefly discuss some improvements to his system diagram but then we talk about a number of potential savings measures and calculations that he could do, including the benefits of optimizing the unit start times and how, via the trend data, the building is "telling him" what the optimized schedule might look like.   
We also discuss how to assess the static pressure requirement for a fan system and how to use that information to try to understand if an existing system is making more static than it needs to make or not and how, if it is, you could assess the savings.

The file below is one of the resources I mentioned I would provide in the course of our discussion.  Specifically, starting around page 21, it illustrates a technique you can use to estimate the fan static requirement for an air handling system based on the elements in the system, which you typically identify when you make a system diagram.

As of the time of this post, I still need to scan the other resource (the chapter from the Carrier Design Manual about induction systems) and currently, I am not where that is.  But check back in a week or so if that is of interest to you;  I think I will have it uploaded by then if not sooner.
Design Brief with Fan Static Estimate Example (improving_mechanical_system_energy_efficiency_-_final.pdf)
File Size: 4533 kb
File Type: pdf
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System Diagram Techniques, Drawing a System Diagram using PowerPoint
​
​This video is a recording of a GoToMeeting session I did with Steve, which he generously offered to make public since the information may be of value to others. 
​
 
In it, we discuss how to go about developing a system diagram for a really large, complex air handling system.  In particular Steve wanted to get comfortable using electronic drawing techniques like PowerPoint.  So, most of the video shows me illustrating how to draw in PowerPoint.
System Diagram Concepts, Reset Schedule Concepts, Variable Flow Hot Water System Concepts, Tracing Out a Power Circuit for a Motor

This video is a recording of a GoToMeeting session I did with Raymond, which he like the others, agreed to share for the common good. 

​In it, we discuss his system diagram, including some things he might want to consider adding or improving.  We also touch on some MS Office drawing techniques.   The diagram is of a hot water system and there are some things to verify to better understand it, including figuring out if it is a variable flow system.
If the system is a variable flow system, then there are a number of additional opportunities that may be achievable for saving energy and those opportunities may impact the way Raymond uses to capture a scheduling opportunity he has identified.
 

Existing Building Commissioning Workshop Series 14 Materials

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As indicated on the main page, the true source for the materials for the existing building commissioning class workshop is the FTP site Ryan maintains.  If you need information regarding how to access it, you should contact him via e-mail at [email protected].  It would be desirable to include the words "EBCx Workshop Series Materials FTP Site Access" in the subject line to catch his attention.
The materials below are the materials I provide for the portions of the workshop that I teach.   I am going to keep placing them here so that you can access them before class if you want and also to make it easy for Ryan to pull them back for the FTP site. 

Note that most of the time, I include a "READ ME" file in the zip file with the materials and resources that describes what each of the files is about.
Session 1
Session 4
Session 10
Session 2
Session 8
Session 11
Session 3
Session 9
Session 12
 
Session 1
Session 1 Materials (class_session.zip)
File Size: 24142 kb
File Type: zip
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Session 1 Follow Up (follow-up.zip)
File Size: 4337 kb
File Type: zip
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Session 2
2018-09-20_class_materials.zip
File Size: 84159 kb
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2018-09-20_follow_up_materials.zip
File Size: 17874 kb
File Type: zip
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Session 3
2018-10-25_class_materials.zip
File Size: 79212 kb
File Type: zip
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2018-10-25_follow-up.zip
File Size: 30289 kb
File Type: zip
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Session 4
2018-11-08_class_materials.zip
File Size: 50684 kb
File Type: zip
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2018-11-08_amd_2018-11-09_follow-up.zip
File Size: 108049 kb
File Type: zip
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Session 8
2019-03-07_class_materials.zip
File Size: 10581 kb
File Type: zip
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vapor_compression_v9.pptx
File Size: 43318 kb
File Type: pptx
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Session 9
The Excel files below are the spreadsheets behind the plant analysis for the two chilled water plants I was using using to illustrate my technique for applying Plot Digitizer as a tool for turning a picture of data into actual data.  The link takes you to a blog post on the topic that also includes a look at the hydraulic drives on the primary pumps in the Gaylord plant as well as a chiller with a way to do free cooling with out a plate and frame heat exchanger, another feature of the plant.
  
The Gaylord plant spreadsheet included an example of needing a third axis in Excel, which lead to the discussion of how to go about doing that.  The third axis technique is now a blog post complete with the resources you need to try it out yourself. 

I am working on a blog post that describes some of the analysis techniques I used in the spreadsheets, in particular the scatter plot of load vs. outdoor temperature.  I still have a ways to go on that one, but in the meantime, I have included two e-mails I wrote that describe the concept a bit.   The Atlanta Airport one also includes some information about shot feeders, coupon racks and 4-20 ma current loops. 
gaylord_grand_ol_opre_load_profile_example.xlsx
File Size: 8651 kb
File Type: xlsx
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gaylord_plant_discussion.pdf
File Size: 1448 kb
File Type: pdf
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atl_cooling_load_calcs_v8.xlsx
File Size: 20719 kb
File Type: xlsx
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atlanta_airport_plant_analysis_discussion.pdf
File Size: 3097 kb
File Type: pdf
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Session 10
The files below are the files I used in class today along with some follow-up information I said I would provide.  The optimization example folder included with the lab session has a READ ME file in it that describes what the other files are.  The same is true for the follow up folder.
2019-05-01_class_materials.zip
File Size: 18633 kb
File Type: zip
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2019-05-01_follow-up.zip
File Size: 569 kb
File Type: zip
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Session 11
2019-08-01_follow-up.zip
File Size: 22362 kb
File Type: zip
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The zipfile to the left contains the files I used for the lecture, including the sample scope of work statement, point list, etc.  I also dug around in my technical photos a bit more after class and found some additional examples of valve tags/valve nameplates to you would have an idea of what you are looking for if you are trying to understand the make, model, size, etc. of an existing control valve out in the field.  
Related to the scope of work and cost benefit calculation topic, the Developing Retro/commissioning Implementation Budgets; Focusing on Individual Findings blog post discusses the items I covered in lecture in more detail which includes links to some additional resources.
 
Session 12
Session 12
2019-06-06_class_materials.zip
File Size: 181496 kb
File Type: zip
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The zipfile to the left contains the files I mentioned I would follow-up with including the DOAS spreadsheets and the example of a metering plan.  
The metering plan uses the EnergyStar Portfolio Manager API to keep the code required EnergyStar benchmark current for a facility in Seattle.  ​Since San Francisco has a similar requirement, the concept may be useful for projects in the Bay area.   

There is a READ ME file included that explains the various files and folders in the zip file.
 

Existing Building Commissioning Workshop Series 15 Materials

Picture
As indicated on the main page, the true source for the materials for the existing building commissioning class workshop is the FTP site Ryan maintains.  If you need information regarding how to access it, you should contact him via e-mail at [email protected].  It would be desirable to include the words "EBCx Workshop Series Materials FTP Site Access" in the subject line to catch his attention.
 
​The materials below are the materials I provide for the portions of the workshop that I teach.   I am going to keep placing them here so that you can access them before class if you want and also to make it easy for Ryan to pull them back for the FTP site. 

Note that most of the time, I include a "READ ME" file in the zip file with the materials and resources that describes what each of the files is about.
Session 2
Session 3
Session 4
 
 
Session 2
During the discussion of the quiz questions, we spent some time talking about fans and fan applications and I mentioned a number of resources that I thought might be helpful.   A lot of the things I alluded to can be found in a blog post I wrote a while back about System Effect, titled System Effect–Dealing with the Point Where the Fan Meets the Duct.  So reading the post may be insightful in terms of understanding fans and their application.  But in the specific context of the class discussion, the following sections are applicable. 
  • There is a section that compares a plenum fan with a housed fan including a discussion of the potential efficiency penalty associated with using a plenum fan, and some of the things to consider when you apply them.
  • There is an example of how a plenum fan might be a better solution than a housed fan if the constraints of the mechanical room forced you to install the housed fan with a poor discharge condition.
  • There is a discussion of the different fan wheel types.
  • There is a discussion about how the field lessons you learn doing commissioning, in particular, existing building commissioning are important things to take back to the drawing board when you participate in a design review process.
I also mentioned a design brief that talks about how very early in the design process, you can use your knowledge about fan efficiency and system effect and some general assumptions and rules of thumb to negotiate with an architect to get the equipment space you need for an efficient HVAC system installation.  You can download that brief at this link.

Another valuable and free of charge resource for learning a lot about fans is the Howden North America’s Fan Engineering Handbook (a.k.a the Buffalo Fan Manual).  Follow this link find a blog post that looks at the resource and provides a link to where you can request the free, electronic copy.

Finally, the concept of equivalent duct length came up.  You will find more information on this and the related formula on the Effective Duct Length page of the Useful Formulas section of the website.
 
Session 3
2019-10-17_ebcx.zip
File Size: 49274 kb
File Type: zip
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The file to the left contains the materials for the lab and lecture.
The files below are the follow-up materials I said I would provide during the class.  Note that you can also find a pump optimization case study on the Case Studies page of the website.   
pipe_clamp_photos.zip
File Size: 8494 kb
File Type: zip
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pump_basics_and_optimization.zip
File Size: 11430 kb
File Type: zip
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During class the pump affinity laws also came up and I said I would provide some additional resources on that topic.   You will find the information on the newly developed Affinity Laws page of the website, including some spreadsheet tools that will help you apply the laws if you have a digitized version of the pump or fan curve you are working with.  

If you want to know how to do that, you will find information about a free Java Applet called Plot Digitizer on the Plot Digitizer page of the website.  There is also an example of a pump curve created using Plot Digitizer in the form of a spreadsheet that you can download and use as a starting point for creating your own pump or fan curves on the Plot Digitizer Pump Curve Example page of the website.  This page also has an informal video showing how to go about digitizing a pump curve using Plot Digitizer.
 
Session 4
lab.zip
File Size: 46078 kb
File Type: zip
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The materials for today's lab session are contained in the file to the left.

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