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New Water Heating Technology and Its Fit in Today's Commercial

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New Water Heating Technology and Its Fit in Today's Commercial New Water Heating Technology and Its Fit in Today’s Commercial Environment Enhancing Lives By Changing The Way Water Is Heated © 2014 Rinnai America Corporation PROPRIETARY and CONFIDENTIAL 1 10/30/17 Agenda • History • Global Presence • Rinnai North America Experience and Expertise • Fabrication and Assembly • Tankless Water Heater • Advantages • Common Vent • Accessories • Installation Requirements • Installation Examples • Supporting Materials Enhancing Lives By Changing The Way Water Is Heated © 2014 Rinnai America Corporation PROPRIETARY and CONFIDENTIAL 2 10/30/17 History Taiwan Singapore Australia Rinnai Founded by Vietnam Mr. Naito and Mr. Hayashi Korea Italy America Completed In-House CSA New Zealand Certified Lab United Kingdom Dedicated Commercial Team 1920 1932 1944 1956 1968 1980 1992 2004 Tankless Infrared Heater Rack Infrared Gas Burners Tankless Water System Heater Stoves / Ranges / Ovens / Hot Water Units Condensing Tankless Manufactured Aircraft Direct Vent Furnace Parts and Boilers America Enhancing Lives By Changing The Way Water Is Heated © 2014 Rinnai America Corporation http://www.rinnai.com/en/profile/history PROPRIETARY and CONFIDENTIAL 3 10/30/17 Global Presence • Operations in 13 countries • Over 7000 employees worldwide • One of the LARGEST gas appliance manufacturers in the world Enhancing Lives By Changing The Way Water Is Heated © 2014 Rinnai America Corporation PROPRIETARY and CONFIDENTIAL 4 10/30/17 A Global Leader in Gas Appliances • Based in Nagoya, Japan • Established in 1920 • 10,000 employees worldwide • One of the world’s largest gas appliance manufacturers • Largest share of the Japanese markets • The number-one selling brand of tankless gas water heater in North America RINNAI’S GLOBAL PRESENCE RINNAI GLOBAL HEADQUARTERS • The Leader in Gas Technology throughout the world • Extensive product offerings of gas appliances: water heaters, boilers, furnaces, cooking products and dryers • Consolidated 2013 turnover: approx $2.8 Billion Enhancing Lives By Changing The Way Water Is Heated © 2014 Rinnai America Corporation PROPRIETARY and CONFIDENTIAL 5 10/30/17 North American Headquarters Peachtree City, Georgia Headquarters Outside Atlanta, Georgia Organization In US since 1974 • Over 150 employees throughout North America • Sales, Marketing, Customer Service, Application Engineering, Tech Support, Manufacturing • Distribution centers : Peachtree City, GA and Sparks, NV • Rinnai’s network of field employees includes service and sales managers with vast experience in the plumbing, HVAC, appliance, hydronic, and building industries • Over 200 additional manufacturer’s representatives throughout North America Products • Direct Vent Wall Furnaces and Vent-Free Heaters – Since 1990 • Water heaters – Since 1999 • Condensing Boilers – Since 2009 Enhancing Lives By Changing The Way Water Is Heated © 2014 Rinnai America Corporation PROPRIETARY and CONFIDENTIAL 6 10/30/17 Technology Leadership through Research and Development A Commitment to Maintain Technology Leadership • More than 4% of net sales allocated to R&D expense annually • More than 600 R&D engineers • All manufacturing facilities are ISO 9001 and or ISO 14001 certified • All products have been approved by the Canada Standards Association (CSA) and American National Standards Institute (ANSI) • Uncompromised focus on quality in design, manufacturing and marketing Enhancing Lives By Changing The Way Water Is Heated © 2014 Rinnai America Corporation PROPRIETARY and CONFIDENTIAL 7 10/30/17 Quality Focused • Advanced automation and precision assembly processes make Rinnai’s manufacturing facilities an industry model for efficiency, and extensive inspection and testing protocols • Every product undergo a series of live fire testing before being shipped – every single product! Manufacturing & Assembly Inspection & Testing Enhancing Lives By Changing The Way Water Is Heated © 2014 Rinnai America Corporation PROPRIETARY and CONFIDENTIAL 8 10/30/17 Market Leadership • Committed to CHANGE the way water is heated… – Tankless has continued to increase its share and Rinnai has led the charge and Market Share maintains a dominant market share Rinnai position • Focused efforts in all segments that can and will drive category and Rinnai growth – Residential • Replacement • New SF/MF Construction – Commercial Applications • Valued Engineered Applications • Emergency Replacement – Energy Segment – Domestic Manufacturing In Griffin, GA, April 2018 Enhancing Lives By Changing The Way Water Is Heated © 2014 Rinnai America Corporation PROPRIETARY and CONFIDENTIAL 9 10/30/17 North America Commercial Experience With over 17 years of commercial experience, Rinnai is now providing a modular, factory assembled, and redundant tankless hot water system. Enhancing Lives By Changing The Way Water Is Heated © 2014 Rinnai America Corporation PROPRIETARY and CONFIDENTIAL 10 10/30/17 Fabrication and Assembly Utilizing quality methods and procedures, each TRS is assembled by trained operators in a controlled environment and fully tested prior to shipment • Dedicated assembly facility in Peachtree City, Georgia • Comprehensive incoming supplier quality control • Detailed assembly process with quality and inspection checks • Pass / Fail manifold testing on every rack system • Capacity to assemble 70 systems per month • System traceability • Each order is built per customer requirements Enhancing Lives By Changing The Way Water Is Heated © 2014 Rinnai America Corporation PROPRIETARY and CONFIDENTIAL 11 10/30/17 TANKLESS WATER HEATER Enhancing Lives By Changing The Way Water Is Heated © 2014 Rinnai America Corporation PROPRIETARY and CONFIDENTIAL 12 10/30/17 Condensing Water Heater 1. Concentric or PVC / CPVC Air Intake 2. Ceramic Top Down Burner 3. Primary Heat Exchanger 4. Secondary Heat Exchanger 5. Integrated Condensate Trap 6. Integrated Digital Controller 7. Built-in Surge Protector & PC Board 8. Modulating Gas Valve Enhancing Lives By Changing The Way Water Is Heated © 2014 Rinnai America Corporation PROPRIETARY and CONFIDENTIAL 13 10/30/17 Sequence of Operation 1. Water flow begins: • Water flow sensor sends pulses to the PCB. Incoming Air Exhaust • When flow exceeds approximately *0.4 gpm the ignition sequence begins. 2. Ignition Sequence: • Combustion fan starts, drawing air in from the venting and through the unit. Combustion Fan • Spark igniter begins sparking. SV2 SV1 SV3 • Gas control assembly opens to the low fire rate. • When the flame rods have proven flame the spark igniter stops sparking. 3. Normal Operation: Igniter • PCB monitors flame rods, TC Sensor, flame characteristic, fan motor frequency, outlet TC Sensor FR water temperature, temperature set point, and water flow rate. • Gas valve assembly and fan speed modulate gas and air input to meet user demand. • If water flow demand is very small, only SV1 will allow gas to burner. The flame rod Primary Heat Exchanger (FR) will monitor this minimum fire state. Heat Exchanger • If water flow demand is large, flame can develop across the entire burner. Modulating Thermistor Gas Valve/POV • Water is preheated in the secondary (latent) heat exchanger. • Water is heated further as it passes through the heat exchanger multiple times. • Heat exchanger can strategically overheat the water while the bypass tempers the Secondary Heat Exchanger water down to the set point temperature. This can provide for higher flow rates. • The water flow control valve will adjust as needed to maintain output temperature. • Due to the efficient combustion, condensation will form and drain into the condensate trap and through drain at the bottom of the unit. Bypass Trap 4. Shut-down Sequence: PCB PCB Surge / Protector Condensate Condensate • PCB senses flow rate less than *0.26 gpm. • Gas control valve closes & water flow control valve resets to a standby position. • Combustion fan will then run for a period of time to purge the combustion chamber. SV0 or SV Main Out going 5. Standby Mode: Temperature Water Flow Water flow Thermistor Sensor control valve • PCB monitors all components. * Model Dependent Enhancing Lives By Changing The Way Water Is Heated © 2014 Rinnai America Corporation PROPRIETARY and CONFIDENTIAL 14 10/30/17 TANKLESS RACK SYSTEM Advantages System Design Enhancing Lives By Changing The Way Water Is Heated © 2014 Rinnai America Corporation PROPRIETARY and CONFIDENTIAL 15 10/30/17 TRS Advantages A single, self contained system consisting of multiple tankless units which replaces one larger heat source. Three key advantages are: 1.Efficiency 2.Reliability 3.Flexibility Enhancing Lives By Changing The Way Water Is Heated © 2014 Rinnai America Corporation PROPRIETARY and CONFIDENTIAL 16 10/30/17 TRS Efficiency Load Tracking Through Precise Modulation 13:1 Single Engine Turn Down Ratio MSB Controller: Allows Multiple Engines to Communicate Seamlessly Modulating Firing Rate Based on Demand Up To 25 Units Can Communicate: 327:1 Turn Down Ratio Enhancing Lives By Changing The Way Water Is Heated © 2014 Rinnai America Corporation PROPRIETARY and CONFIDENTIAL 17 10/30/17 TRS Efficiency – Continued What is turndown ratio? The description of a gas products ability to modulate its flame and btu delivery Modulation is defined by Turndown Ratio Turndown Ratio: A products maximum fuel input divided by its minimum fuel input. Example: A 1,000,000 btu modulating boiler with a minimum fuel input of 250,000 btu’s would have turndown ratio of 4:1 1,000,000 divided by 250,000 = 4:1 Turn Down Ratio Enhancing Lives By Changing The Way Water
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