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2. 2 ENERGY VS EFFICIENCY Bob Witt CPD

3. 8/27/2015 3 Introduction WHAT IS A BTU? LEARN WHEN YOU CAN ACHIEVE HIGH EFFICIENCIES LEARN WHAT IS REQUIRED IN YOUR DESIGN TO REACH THESE GOALS

4. 8/27/2015 4 Agenda REVIEW BASICS OF ENERGY 10min TIME LINE OF EVENTS 15 min WATER CONDITIONS 10min “BAD HABITS” TOUGHT NOT LEARNED a lifetime HIGH MASS CARRY-OVER TO LOW MASS DESIGN 10 min SUMMARY PART 1 15 min

5. 8/27/2015 5 OVERVIEW ENERGY IS GENERIC AND WILL PERFORM AS PHYSICS WORK WITH THE BASICS TO ENHANCE YOUR DESIGN point rise >T dew H2OH2O btu

6. 8/27/2015 6 VOCABULARY BTU THERMAL LIFT T TEMPERATURE RISE WHERE DOES HIGH EFFICIENCY COME FROM? “LATENT HEAT” WHAT IS LATENT HEAT?

7. 8/27/2015 7 TERMS EXOTHERMIC T CO 2 H 2 0 CONDENSATE NOX SOX DEW POINTS DESIGN TEMPERATURE

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9. 9 TIME LINE MOM & POP JIMMY CARTER UNCLE SAM CODES AND STANDARDS AIR QUALITY GO GREEN VENT CATEGORIES BAD HABITS

10. 8/27/2015 10 TIME LINE TOPICS DATE CATEGORY EFFICIENCY STACK TEMPERATURE RETURN WATER TEMP DEW POINTS OPERATING TEMPERATURE CODES BAD HABITS

11. 8/27/2015 11 Understanding ANSI Standards II IIII IV NegativePositive NFGCAirtight Corrosion Resistant Non-condensing CondensingVENTING Static Pressure in Vent Above Dew Point Below Dew Point 130 deg F

12. Effect of Inlet Water Temperature to Boiler Efficiency 18040 130 inlet water temperature boiler efficiency, % 80 80 100 86 86 94 94 condensing boiler condensing boiler non-condensing boiler dew point natural gas = 1050 Btu/ft 3 80

13. 8/27/2015 13 CSA TO TEST ALL CAT IV ALL CATEGORY IV EQUIPMENT TO BE TESTED AT FULL INPUT AT 180° NEW A/Q REGULATIONS TO 9 ppm CO 2 AS OF 2012

14. 8/27/2015 14 BAD HABITS JUST BY THE WAY IT IS PLUMBED IT MAY OR MAY NOT WORK NON-CONDENSING CONDENSING CROSSED SYSTEMS

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18. 8/27/2015 18 SPECIFY FACTORY START-UP AS BUILT PERFORMANCE DOES IT MEET THE REQUIREMENT? DOES MATERIAL MATCH SPEC? DO T’s MATCH DESIGN PERMANENT RECORD

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20. 8/27/2015 20 VALUE ENGINEERING IDENTICAL PRODUCT IDENTICAL VALUE IDENTICAL PERFORMANCE IDENTICAL APPEARANCE PERFORMANCE VALUE IS EQUAL TO PREFORMANCE IS BETTER THAN

21. 8/27/2015 21 SUMMARY PART I HIGH EFFICIENCY COMES FROM? THE DEW POINT IS? LIME DROPS OUT --------&------------?

22. 8/27/2015 22 BREAK TIME END OF PART ONE

23. 8/27/2015 23 TECHNOLOGY BURNER HEAT EXCHANGER CONTROLS

24. 8/27/2015 24 CONDENSING TECHNOLOGY INSIDE THE COMBUSTION CHAMBER OUTSIDE THE COMBUSTION CHAMBER

25. 8/27/2015 25 BURNERS ATMOSPHERIC FAN ASSISTED GUN PULSE FeCrAlY DIRECT CONTACT

26. 8/27/2015 26 COMBUSTION TECHNOLOGY ATMOSPHERIC FAN ASSISTED GUN PULSE SYMETRIC AIR- FUEL COUPLING

27. 8/27/2015 27 Air/Fuel Coupling gasvalve gas P G = P A PAPAPAPA PGPGPGPG air

28. 8/27/2015 28 WATER HEATER PROBLEMS TRADITIONALLY ON/OFF WATER QUALITY OPERATING BELOW THE DEW POINT SCALING REPLACEMENT MASS

29. 8/27/2015 29 Pounds of Lime Deposited vs.... Temperature and Water Usage 180 o F 170 o F 160 o F 150 o F 140 o F 120 o F

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32. 8/27/2015 32 HEAT EXCHANGERS TANK SPIRAL HELICAL COIL HELICAL FIRE TUBE flex vs. non-flex DIRECT CONTACT ss wool COPPER INDIRECT

33. 8/27/2015 33 SCALE PREVENTION PASSIVE VS ACTIVE SCALE PREVENTION PASSIVE VS ACTIVE Tank heaters Spiral Helical flue tube Helical fire tube Direct contact Electric Wall hung Indirect Copper Tube

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35. 8/27/2015 35 CONTROLS ON OFF MODULATION CLAMPING HEAT- BANDS NIGHT SET BACKS NETWORKS EMS

36. 8/27/2015 36 LOW TEMP SYSTEMS POTABLE WATER 110° 130°

37. 8/27/2015 37 DISEASES LEGIONELLA E-COLI SALMONELLA HERPES AIDS

38. 8/27/2015 38 SIZING WITHOUT VARIABLES units x time x flow x T x H 2 O x oc x inv/eff ------------------------------------------------------ duration = instantaneous btuh requirement

39. 8/27/2015 39 DEFINITIONS OF FORMULA # OF UNITS hotel rooms apts cells etc TIME in the shower VOLUME of the flow device T of the thermal lift H 2 O the weight of water OCCUPANCY # of people in each unit INVERSE of the efficiency of the product DIVIDED by the duration hours to deliver EQUALS the instantaneous demand

40. 8/27/2015 40 REAL NUMBERS 250 X 5 X 3 X 60 X 8.33 X 1.5 X 115% ------------------------------------------------------ 1.5 = 2,156,000 BTUH

41. 8/27/2015 41 EQUIPMENT SELECTION ONE 2,200,000 BTU HEATER ONE 250 GALLON TANK

42. 8/27/2015 42 A BETTER SELECTION NEVER USE ONLY ONE HEATER SPLIT THE LOAD 2,256,000/2 = 2 – 1,128,000’s 75% x 2,256,000 = 1,692,000 x 2 80/20 x 2,256,000 = 1-1,800,000 + 450,k

43. 8/27/2015 43 WHAT ABOUT STORAGRE THUMB RULE 100 gal storage for every 1M input REDUCE input 100K for every 100 gals of storage on hand 2/3 max

44. 8/27/2015 44 HYBRID SYSTEMS WHAT IS IT? A BOILER OR WATER HEATER SYSTEM THAT USES CONDENSING AND NON- CONDENSING EQUIPMENT IN THE SAME APPLICATION TO OPTIMIZE SYSTEM EFFICIENCY AND CAPITAL

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46. 8/27/2015 46 HOW TO GO GREEN SAVE WATER LOW NOX WISE PURCHASE OF EQUIPMENT HYBRID SYSTEMS NIGHT SET BACKS PREVENTATIVE MAINTENENCE

47. 8/27/2015 47 SUMMARY WHERE DOES HIGH EFFICIENCY COME FROM? ENERGY TRAPPED IN FLUE GAS AS WATER VAPOR WHEN DO YOU ACHIEVE HIGH EFFICIENCY IN YOUR DESIGN OPERATING BELOW THE DEW POINT WEIGH THE CONDENSATE HYBRID SYSTEMS

48. 8/27/2015 48 Where to Get More Information READ THE MANUALS READ THE GRAPHS UNDERSTAND THE PHYSICS WHAT ARE YOU TRYING TO DO? CONSULT YOUR REPRESENTATIVE

49. 8/27/2015 49 THANK YOU THANK YOU