A.O. Smith 186965-001 - Manual

A.O. Smith 186965-001

A.O. Smith 186965-001 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – Table of Contents
  • Page 3 – U P; Approvals
  • Page 4 – Consumer Information; National Fire Protection Association; Consumer Responsibilities; C) higher or lower at the point; Feel water before bathing or showering.; WARNING; Installation
  • Page 5 – Site Location; Select a location near the center of the water piping system.; Table “A”
  • Page 6 – Closed System/Thermal Expansion; For Storage Tank System Installation; CAUTION - PROPERTY DAMAGE HAZARD; Locate the storage; Figure “1”
  • Page 7 – Temperature and Pressure Relief Valve; IMPORTANT; Explosion Hazard
  • Page 8 – Water Quality and Scale; For example, for every; IM; BASED ON 10 grains/gal HARDNESS; *Source 2003 ASHRAE Handbook HVAC Applications; Figure “3”
  • Page 9 – Pump Sizing for Circulation; Approximate Heat Loss from Piping at 140 oF Inlet, 70 oF Ambient *; Table “B”
  • Page 10 – Tank Water Heaters in a Circulation Loop; The heat; Additional Guidelines; On-demand water heaters not recovering a storage tank:; In applications involving a commercial; On-demand water heater recovering a storage tank:; In applications involving a commercial dishwasher,
  • Page 11 – Pump Sizing for Storage Tank Application; Pump Flow Requirements; Number of; Table “C”
  • Page 12 – Figure “4”; Pressure Loss Curves
  • Page 13 – Figure “5”
  • Page 14 – Water Heater; /4” Cold Water Supply Line; Key
  • Page 15 – Primary; Cold Water Supply Line
  • Page 16 – P rimar y; Hot Water Supply Line
  • Page 19 – Gas Supply
  • Page 20 – Domestic Hot Water - Optional Freeze Protection
  • Page 24 – Domestic Hot Water - Circulation Systems; For this application:
  • Page 27 – Pump Sizing for
  • Page 30 – Domestic Hot Water - Backup Storage; Reference the section on
  • Page 31 – Domestic Hot Water - Backup Storage / Circulation
  • Page 37 – Building
  • Page 38 – Maintenace - Scale Flush Procedure; Circulating Pump
  • Page 39 – Notes
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PRINTED 0209 186965-001

Design information for single and multiple unit
installations for residential, commercial, recircula-
tion and storage tank systems.

On-Demand Water Heater

System Design Manual

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Summary

Page 2 - Table of Contents

2 Certifications ..................................................................................3 Water Quality and Scale ................................................................8 Pump Sizing for Circulation ..........................................................9 Tank Water Heaters in...

Page 3 - U P; Approvals

3 Certified to applicable U.S. standards for appliances using gas or other petroleum fuel. Certified to applicable Canadian standards for appliances using gas or other petroleum fuel. Certified by the Uniform Plumbing Code (UPC) Certified by National Sanitation Foundation (NSF), www.nsf.org (indoor ...

Page 4 - Consumer Information; National Fire Protection Association; Consumer Responsibilities; C) higher or lower at the point; Feel water before bathing or showering.; WARNING; Installation

Consumer Information The on-demand water heaters must be installed according to all local and state codes or, in the absence of local and state codes, the “National Fuel Gas Code”, ANSI Z223.1 (NFPA 54) - current edition. CSA American, Inc. National Fire Protection Association 8501 East Pleasat Vall...

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