Copyright 2005, Robert Bean, All Rights Reserved

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1 We are not in the business of conditioning buildings, we are in the business of conditioning people! his presentation is for educational purposes only and shall not be used for distributions, resale or commercial gain. aterials and slides copy written by respective owners. pending Wave - Baby Boomers Executives and directors at many of the nation's largest Courtesy of H Dent Corporation development companies sold 70 illion Baby Boomers Begin stock at a record pace this to Retire Into Rising Fuel Cost summer. Oct. 2005, homson Financial. CI Inspecting Hydronic Radiant Heating ystems upporting Industry Associations, RA, CIH, HRAI, RHWHA, IH, AHRAE, AHAC, CAHI pecial credit to the guys who hang out at HE WALL and the forum who share their photos of the good, bad and ugly so others can learn Dow Jones Labor hrinkage Builders revail Against Costly Energy Code Change NAHB prevailed in an effort to roll back new, more stringent insulation requirements at International Code Council hearings in Detroit on ept Welcome Delegates cope of resentation Goals Inspecting Hydronic Radiant Heating ystems Robert Bean,R.E.. Registered Engineering echnologist, Building Construction For other online presentation visit Contact us for details info@healthyheating.com Inspecting hydronic radiant heating systems for public health and safety. Requires an understanding of the assembly fundamentals of boiler room and radiant systems equipment. Comparison between air based systems and radiant with dedicated ventilation systems. tudents hould Have the CA B214 Installation Code for Hydronic Heating ystems for Reference During his resentation. 1. Fundamental differences between air and radiant based systems as it relates to the building code. 2. roper assembly and operation of boiler room equipment and systems. 3. roper assembly and operation of radiant equipment and systems. Fun in the Field Good, Bad and the Dangerous he Beast in the Boiler Room 1

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3 he Good Guys 3

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5 Fun in the Field Good, Bad and the Dangerous ipe Dreams he Good Guys 5

6 VFD VFD - W W W W W W W W W W W W W W W - VFD H H H H D RH W W W CA B Installation Code for Hydronic Heating ystems CA B Installation Code for Hydronic Heating ystems Available from: CA CIH HRAI AHAC RHWHA CA B214 able of Contents 1. cope 2. Definitions and Reference 3. General Requirements 4. Heating Equipment 5. Circulating umps 6. Expansion anks 7. Distribution iping 8. ipe and ubing 9. Fittings 10. Valves 11. ystem Controls 12. Hydronic pace Heating 13. Radiant Heating 14. Domestic Hot Water Heating 15. Auxiliary ystems ables Figures Annexes Hydronic ymbols ANI/AHRAE tandard Hydronic ymbols ANI/AHRAE tandard Graphic ymbols for Heating, Ventilating, Air-Conditioning, and Refrigerating ystems Basic Boiler lant Basic Boiler lant Basic Boiler lant Basic lant Five odules Basic Boiler Expansion and Air Fill and Backflow Circulation Operating Controls Boiler ressure Relief High Limit Aquastat Draft Hood (not shown) & Gauge ressure emperature ingle Boiler, Direct Return ingle Boiler, Direct Return 6

7 Basic Boiler lant Basic Boiler lant Basic Boiler lant Expansion & Air ank lain teel Diaphragm Bladder Air eparator assive Float Vents Coin Air Vents Active crubbers icro Bubble Fill Assembly ressure Regulator Backflow reventer Jurisdictional Double Checks Atmospheric Vented estable Circulation Circulator ump (not correct term) Rotates Fluid Installation ensitivity Location Relation to Expansion tank ypes Wet Rotor Coupled ingle Boiler, Direct Return ingle Boiler, Direct Return Basic Boiler lant Basic Boiler lant Basic Boiler lant Operating Controls etpoint Aquastat ingle ensor Reset Indoor/Outdoor ultiple ensors afety Devices Low Water Cut Offs Flow witches ressure witches Boiler Generates Heated Fluid ypes Condensing < 140 deg F Non Condensing > 140 deg F. odels Cast, Copper, teel, Aluminum, Copper/Cast Combinations Expansion and Air Controls Expansion ressure During Heating/Cooling Establishes oint of No ressure Change. Eliminates Free Air Corrosion Noise Air Locks ingle Boiler, Direct Return ingle Boiler, Direct Return ingle Boiler, Direct Return Basic Boiler lant Basic Boiler lant Basic Boiler lant Fill Assembly Establishes and Regulates tatic ressure revents Contamination of potable water Circulator Rotates Fluid Overcomes Differential ressure Resistances Head Flow is Always High to Low ressure Boiler Five odules ystem ingle Boiler, Direct Return ingle Boiler, Direct Return ingle Boiler, Direct Return 7

8 Basic Boiler lant Application Advanced Boiler lants Advanced Boiler lants Boiler Controls Ventilation Controls Heating Controls Exhaust ystem W W W W W ultiple Boiler rimary/econdary Firing ingle tage wo tages wo tage Four tages odulating Variable ultiple Boiler Reverse Return ingle Boiler, Direct Return ake Up Air (Ventilation) pace Heating Dual Boiler, rimary/econdary Dual Boiler, Reverse Return Advanced Boiler lants Basic Radiant ystem #1 ultiple Boiler Equal Distance Basic Radiant ystems wo ypes W W W W W - Dual Boiler, Equal Length ypical ulti Zone, ulti Loop Central Distribution odule, hown with wo Way Injection etpoint emperature Control Basic Radiant ystem #2 Common ixing Controls Cold Climates VFD (1) (2) (3) - (4) - - W W W W W 4 Way ixing Direct Return Reset Control 3 Way ixing Direct Return Reset Control 2 Way Injection Direct Return Reset Control Injection Circulator rimary/econdary Reset Control 3 Way ixing Direct Return etpoint Control hermosatic ixing Direct Return etpoint Control Variable Fluid emperature Based On Outdoor Conditions Constant Fluid emperature ypical ulti Zone ystem With hree way ixing Valve 8

9 Cantilevered Floors Critical ealed Insulated Delta Fluid emp OA 140 F (-)40 F Ex. 180 deg F Δ echanical Chases Ventilation Air Heating Lines Return Air Radiant Heating arasitic Heat Gains Isolate ediums Key Inspection oints Heating & Cooling imultaneous Loads Air Conditioning Duct ool Heating Lines labs oil Conductivity ype (ilt, Clay etc) oisture Content Water able Load Calculations Equipment election Assembly Boiler Room Floor Auxiliary Devices ake Up Air HRV DWH Key Inspection oints Key Inspection oints Key Inspection oints Load Calculations Determines Everything Boiler and Circulators ipe Diameters and Lengths ize of Expansion anks, Valves Heat erminal Unit Radiant Baseboard Fan/coils Equipment election Health and afety emperature & ressure Controls Low Water and No Flow Controls emperature & ressure Ratings Assembly roper equence Based on ystem ype Inspection equence One Example ite reparation oil, insulation, vapor barrier, rebar/mesh First hase Equipment Installation ube spacing, lengths ressure est 9

10 Inspecting Hydronic Radiant Heating ystems Interested in seeing this live? Contact Robert Bean,R.E.. Registered Engineering echnologist, Building Construction hank You For Attending! For other online presentation visit Contact us for details For other online presentation visit Contact us for details 10