1. 1 Upon completion of this training one should be able to: Identify different types of hydronic heating systems Identify key components in a simple hydronic heating system Understand the benefits of a variable speed/variable volume hydronic heating system Recognize the retrofit opportunities for converting cs/cv and cs/vv systems to vs/vs systems Learning Outcomes

2. 2 Multi-use Facility

3. 3 Occupancy – 140 persons Building Characteristics Single story 20,000 square feet (250’ x 80’) Standard construction

4. 4 What we will cover: Types of hydronic heating systems Closed loop perimeter heating Closed loop radiant systems Water source heat pumps Ground source heat pumps Piping methods Constant speed/constant volume Constant speed/variable volume Variable speed/variable volume Retrofit market Significant opportunities! Magna3 advantages

5. 5 HW Closed Loop Perimeter/ Fan Coil System Optional Variable Speed Components ∆P Sensor Modulating Control Valve (typ.) Secondary Pump Common Pipe 2-way or Two Position Valve (typ.) Boiler Primary Pumps Air Separator Balance Valve (typ.) Boiler Load (typ.) Expansion Tank

6. 6 Manual balance valve 3-way control valve 2-way control valve Air separator System piping components

7. 7 Fan coil VAV box

8. 8 HW Closed Loop Radiant Floor/Snow Melt System Radiant Floor or Snow Melt Panels Boiler #2Boiler #1 P1 P2 Secondary Pump Mixing Valve Primary Pumps P1 & P2* Redundant* Expansion Tank Common Pipe Air Separator

9. 9 HW Closed Loop Radiant Floor/Snow Melt System

10. 10 HW Closed Loop Radiant Floor/Snow Melt System

11. 11 Heat Pumps 60ºF HPWS 53ºF HPWR Heat Pump 160ºF HHWR 180ºF HHWS 53ºF CHWR Fan Coil Unit 45ºF CHWS Air 60ºF HPWS 67ºF HPWR 60ºF HPWR 60ºF HPWS Heat Pump Cooling Heating

12. 12 Heat Pump Operation 53ºF HPWR Fan Air 60ºF HPWS Heating Water to Refrigerant Heat Exchanger Compressor Reversing Valve Refrigerant Coil Expansion Valve Refrigerant Piping

13. 13 Heat Pumps Types: Water source Boiler and chiller Ground source Bore field / pond loop / well Hybrid A ground source plus supplemental heating or cooling

14. 14 Closed Circuit Cooling Tower WSHP Buffer Tank ( Optional )) Compression Tank Water Source Heat Pump (WSHP) Boiler WSHP Make-up Water Primary Pumps P1 & P2* Redundant* Air Separator

15. 15 WSHP Components Cooling Towers Boilers

16. 16 Ground Source Heat Pump (GSHP) Bore Field GSHP Buffer Tank ( Optional ) Compression Tank GSHP Make-up Water HP Loop Pumps P1 & P2* Redundant* Air Separator Bore Field Loop Pump

17. 17 GSHP

18. 18 Hybrid Ground Source Heat Pump Bore Field GSHP Buffer Tank ( Optional ) Compression Tank GSHP Make-up Water HP Loop Pumps P1 & P2* Redundant* Air Separator Bore Field Loop Pump

19. 19 Hydronic Piping Systems Types: Constant Speed/Constant Volume (CS/CV) Piping & equipment requirements Deficiencies Energy usage Constant Speed/Variable Volume (CS/VV) Piping & equipment requirements Advantages Energy usage Variable Speed/Variable Volume (VS/VV) Piping & equipment requirements Advantages Energy usage

20. 20 CS/CV Piping System 3-way Valve Load Balance Valve (Typ.) Expansion Tank Boiler 2* Boiler 1 Primary Pumps P1 & P2* * Redundant Air Separator

21. 21 CS/CV System Deficiencies High return water temperatures Robs hot water from other coils at part loaded conditions Increases flow Adds additional boilers on line Boiler performance is reduced

22. 22 CS/CV System Load for Multi-use Facility: Chicago, IL Plot load profile Select pump for 108 gpm @ 36 ft Cooling Profile Heating Profile

23. 23 40 35 30 25 20 15 10 5 0 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 Flow (gpm) Head (ft) 108 gpm @ 36 ft 97% CS/CV Pump

24. 24 Pump Energy Consumption - CS/CV CS/CV

25. 25 CS/VV HW Piping Systems Primary Pumps P1 & P2* *Redundant Return Supply Secondary Pumps P1 & P2* Boiler 1 Boiler 2* Expansion Tank Air Separator

26. 26 CS/VV Pumping Systems Add secondary pumps Add common pipe Add system bypass Add 2-way valves Eliminate 3-way valves…or

27. 27 CS/VV Pumping Systems Eliminate 3-way valves Disable 3-way valves Shut bypass valve Disconnect bypass pipe Actuator may be undersized for 2-way operation Does this make $ense?

28. 28 40 35 30 25 20 15 10 5 0 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 Flow (gpm) Head (ft) 108 gpm @ 36 ft 97% CS/VV Pump Curve

29. 29 CS/VV Advantages Lower return water temperatures Minimizes flow to coils Decreases secondary flow Reduces boilers on line Boiler performance is increased Ease of system operation Energy savings Preferred piping method

30. 30 Pump Energy Consumption - CS/VV CS/CV CS/VV

31. 31 VS/VV Pumping Add: Variable frequency drive (VFD) Programmable logic controller (PLC) Differential pressure sensors (∆P) Direct digital controls (DDC) Save 75% AOC versus CS/CV!

32. 32 VS/VV Hot Water Systems Secondary Pumps VSP1 & VSP2* ΔP Sensor *Redundant Return Supply Boiler 1 Boiler 2* VS Pumps And Controls Expansion Tank Air Separator

33. 33 Pump Curve Summary CS/CV 108 gpm @ 36 ft CS/VV 108 gpm @ 36 ft 54 gpm @ 37 ft 108 gpm @ 36 ft VS/VV 54 gpm @ 9 ft

34. 34 VS/VV Pump Curve 108 gpm @ 36 ft Flow (gpm) Head (ft) 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 40 35 30 25 20 15 10 5 0 Magna3 100-120

35. 35 VS/VV Advantages Optimizes return water temperatures Optimizes flow to coils Decreases secondary flow Reduces boilers on line Boiler performance is increased Ease of system operation Optimum energy savings

36. 36 Pump Energy Consumption - VS/VV CS/CV CS/VV VS/VV

37. 37 VS/VV Advantages Cost effective design Primary-secondary pumping Common pipe design 2-way valve operation Save 75% of pumping energy over CS/CV systems Save 50% of pumping energy over CS/VV systems

38. 38 Additional System Savings Additional sources of energy savings Boiler operation ΔT optimization Sources of first cost savings Pump sizing Boiler sizing Valve sizing Pipe sizing

39. 39 VS/VV Pumping Add: Variable frequency drive (VFD) Programmable logic controller (PLC) Differential pressure sensors (∆P) Direct digital controls (DDC) Or add…

40. 40 Demand More Magna3!

41. 41 HW Systems w/ Magna3 Secondary Pumps VSP1 & VSP2 Primary Pumps MP1 & MP2* *Redundant Return Supply Boiler 1 Boiler 2* Magna3 VS Pumps With Controls Expansion Tank Air Separator

42. 42 VS/VV Retrofit Opportunities Converting CS/CV to VS/VV Steam systems 3-pipe hot/chilled water systems One pipe hot water systems 3-way valve hot water systems Uncontrolled radiant systems Over-sized boiler pumps

43. 43 VS/VV Retrofit Opportunities Converting CS/VV to VS/VV CS 2-way valve HW systems CS three pipe systems Systems with poor ΔT control Systems with over-sized pumps Systems with local ΔP sensors Systems with single VS pumps

44. 44 Demand More Magna3 - Features & Benefits

45. 45 MAGNA3 RANGE RELIABILITY INTELLIGENCE EFFICIENCY

46. 46 Range 1. What is the range of our current Magna? Number of pumps Voltage Flow & Head Temperature Applications 2. What is the range of MAGNA3? Number of pumps Voltage Flow & Head Temperature Applications

47. 47 Range 14 Hydraulic models (11 Single, 3 Twin) Total 37 pumps 115V up to 1HP 208-230V all 14 ° F to 230 ° F Cast Iron and Stainless Water & water/glycol up to 50% Heating, DHW, Solar, Cooling & Geothermal

48. 48 Reliability How long has Grundfos manufactured and sold circulators? How many Alphas/Magnas installed? What is the percentage warranty rate on Magna? Why are they so reliable? When was the project for Magna3 started? How many hours have the Magna3 been tested?

49. 49 Intelligent Control Separating Magna3 from the rest of the pack Control Options

50. 50 H(ft) P (W) Q (GPM) Intelligent Control – Constant Curve

51. 51 H(ft) P (W) Q (GPM) Intelligent Control - Constant Curve

52. 52 H(ft) P (W) Q (GPM) Intelligent Control - Constant Pressure

53. 53 H(ft) P (W) Q (GPM) Intelligent Control - Proportional Pressure 50 % H Set H Set

54. 54 What is

55. 55 H(ft) P (W) Q (GPM) Intelligent Control - AUTO ADAPT 5 Feet 50 % H MaxH Max

56. 56 H(ft) P (W) Q (GPM) Intelligent Control - AUTO ADAPT 5 Feet Old AUTO ADAPT Set Point New AUTO ADAPT Set Point

57. 57 Intelligent Control – Flow ADAPT / Flow LIMIT Flow Limit 0255075100 FLOW LIMIT Potential saving compared to an unintelligent pump Potential saving compared to proportional pressure mode Duty point Additional saving with FLOW LIMIT Performance curve

58. 58 Intelligent Control - CONSTANT TEMPERATURE H(ft) Q (GPM)

59. 59 Intelligent Control - DIFFERENTIAL TEMPERATURE H(ft) Q (GPM)

60. 60 Intelligent Monitoring & Sensing Temperature Speed Flow Power Head Energy BTU History

61. 61 Intelligent Monitoring & Sensing Operating Mode Setpoint Control Mode Alarm/Warning Power and Energy Pressure Head Flow Speed and Frequency Digital Input/Output Motor Current Liquid Temperature Operating Hours Total On Time Number of Starts Return Temperature BTU BTU/hr Differential Temperature and more….. CIM Accessory delivers all of this data from the pump to the BMS System Bacnet Lonworks Modbus Profibus SAVES $$$ by eliminating the need for additional monitoring equipment and data point integration in the system

62. 62 Intelligent Interface

63. 63 Intelligent Interface - Startup

64. 64 Intelligent Interface – Menu Tabs

65. 65 Intelligent Interface – Monitoring MAGNA3 comes with a monitoring function, which makes it possible to keep track of the heat energy distribution and consumption within a system. This avoids excessive energy bills caused by system imbalances. The heat energy meter has an accuracy between +/-1% and +/-10% and makes installing a separate energy metering device within your system superfluous. Temperature input from return pipe

66. 66 Intelligent Interface – Work Log Every duty point and the operational conditions are tracked and stored in the pump. The 3D work log and duty over time curve, provide instant overviews of historical pump performance and operational conditions. The perfect tools for pump optimization, replacement and troubleshooting.

67. 67 Efficiency Integrated Grundfos Sensor, Diff. Press & Temperature Optimized 3D Hydraulic Design Permanent Magnet Rotor – Stronger Magnets Composite Rotor Can – reduced magnetic losses Compact Stator – reduces copper and resistance losses Insulation Shell reduces heat loss through pump housing Intelligent control sizes pump for demand

68. 68 EEI What is EEI (Energy Efficiency Index)? When was it adopted? What is its future? What does it mean to us (USA)?

69. 69 Load Profiles Flow % Time % 44% 15% 35% 6% 100%75%50% 25% 10 20 30 40 50 60 70 80 90 100

70. 70 Why VFD’s? What percent of the operating time is the demand on a heating system…… A)100%? B)75%? C)50%? D)25%? Why are VFD’s used?

71. 71 Load Profile for EEI Flow % Time % 44% 15% 35% 6% 100%75%50% 25% P avg EEI = --------- x C 20% P ref

72. 72 P ref for EEI P avg EEI = --------- x C 20% P ref

73. 73 Flow % Head 100% 75%50%25% T, 44%T, 35%T, 15%T, 6% Constant Curve Prop. Press. Curve P avg for EEI H P hyd Ma x 0.5 x H P hyd Max P avg EEI = --------- x C 20% P ref

74. 74 Energy Efficiency Index is a much better measure of energy usage than BEP EEI 0.27 EEI 0.23 EEI 0.20 EEI 0.17 MAGNA3 65-120 75% Energy Reduction without AUTO ADAPT