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Manual A.O. Smith 705 Series 100

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  • A.O. Smith 705 Series 100 - page 1

    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 ...

  • A.O. Smith 705 Series 100 - page 2

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

  • A.O. Smith 705 Series 100 - page 3

    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 models must use the NSF approved top guard) Air-Co ...

  • A.O. Smith 705 Series 100 - page 4

    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 Valley Road 1 Batterymarch Park Cleveland, OH 4413 ...

  • A.O. Smith 705 Series 100 - page 5

    In addition to using the lowest possible temperature setting that satisfies your hot water needs, a means such as a mixing valve, should be used at hot water taps used by these people or at the water heater. Mixing valves are available at plumbing supply or hardware stores. Follow manufacturer’s instructions for installation of the valves. Before ...

  • A.O. Smith 705 Series 100 - page 6

    Closed System/Thermal Expansion CAUTION - PROPERTY DAMAGE HAZARD As water is heated, it expands (thermal expan- sion). In a closed system, the volume of water will grow. As the volume of water grows, there will be a corresponding increase in water pres- sure due to thermal expansion. Thermal expan- sion can cause premature tank failure (leakage). T ...

  • A.O. Smith 705 Series 100 - page 7

    Temperature and Pressure Relief Valve For protection against excessive pressures and temperatures, a temperature and pressure relief valve must be installed in the opening on the on-demand storage tank. This valve must be design certified by a nationally recognized testing laboratory that maintains periodic inspection of the production of listed eq ...

  • A.O. Smith 705 Series 100 - page 8

    8 W a ter Quality and Scale A complete water analysis and an unde rstandi ng of system requirements are needed to protect the on-demand water heaters and water heating systems from scale. Water analysis shows whether water is hard or soft. Hard water, unless treated, will cause scaling or liming of the heat exchanger. The rate of scaling increases ...

  • A.O. Smith 705 Series 100 - page 9

    9 Pump Sizing for Circulation 1. Use the chart below or one appropriate for your con ditions to determine the heat loss in the length of the hot water supply and return piping. For example, 100 ft of 1-1/2 in bare copper tubing results in a heat loss of 5300 Btu/h. 2. Determine the acceptable temperature drop at the last fixture in the loop. For ex ...

  • A.O. Smith 705 Series 100 - page 10

    10 T ank W a ter Heaters in a Circulation Loop The following applies when using a tank water heater (gas or electric) to provide heat for a circulation loop. Drawing H-1-RP is an example. The heat output of the tank must be equal to or greater t han the calculated circulation loop heat loss. (Reference page 5, Step 1 on calculating heat loss). Elec ...

  • A.O. Smith 705 Series 100 - page 11

    The following applies when using on-demand water heaters to recover a storage tank. Drawing H-1-TC is an example. On-Demand water heaters have a pressure loss which must be considered in the system design. Reference the pressure loss curve for the heater m odel being used to determine the pump size for the desired recovery rate. For recommended pum ...

  • A.O. Smith 705 Series 100 - page 12

    12 Pressure Loss (psi) Water Flow (gpm) 0. 0 5. 0 10. 0 15. 0 20. 0 25. 0 30. 0 35. 0 40. 0 45. 0 01 234 56 789 1 0 1 1 0. 0 10. 0 20. 0 30. 0 40. 0 50. 0 60. 0 Pressure Loss (ft head) 305 i 505 305 e Figure “4” Pressure Loss Curves 100/101 Series ...

  • A.O. Smith 705 Series 100 - page 13

    13 Pressure Loss (psi) Water Flow (gpm) Pressure Loss (ft head) Figure “5” 0 5 10 15 20 25 30 35 40 45 0123456789 1 0 1 1 0 10 20 30 40 50 60 70 80 90 100 705 505 305 Pressure Loss Curves 200/201 Series ...

  • A.O. Smith 705 Series 100 - page 14

    Domestic Hot W ater - S tandard Installation 1 On-Demand W ater Heater Preferred Piping Installation Drawing Number: Drawing Date: H-1 September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance wit ...

  • A.O. Smith 705 Series 100 - page 15

    Domestic Hot W ater - S tandard Installation 2 On-Demand W ater Heaters Preferred Piping Installation Drawing Number: Drawing Date: H-2 September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance wi ...

  • A.O. Smith 705 Series 100 - page 16

    Domestic Hot W ater - S tandard Installation 3 On-Demand W ater Heaters Preferred Piping Installation Drawing Number: Drawing Date: H-3 September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance wi ...

  • A.O. Smith 705 Series 100 - page 17

    Domestic Hot W ater - S tandard Installation 4 On-Demand W ater Heaters Preferred Piping Installation Drawing Number: Drawing Date: H-4 September 07, 2008 Pr i ma ry Hot W ater Supply Line Cold W ater Supply Line Gas Supply Su b 1 Su b 2 Su b 3 On-Demand Equipment List QTY On-Demand 4 W ater Heaters Electronic Connection * * Refer to On-Demand Acce ...

  • A.O. Smith 705 Series 100 - page 18

    Domestic Hot W ater - S tandard Installation 5 On-Demand W ater Heaters Preferred Piping Installation Drawing Number: Drawing Date: H-5 September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance wi ...

  • A.O. Smith 705 Series 100 - page 19

    Domestic Hot W ater - S tandard Installation 6 On-Demand W ater Heaters Preferred Piping Installation Drawing Number: Drawing Date: H-6 September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance wi ...

  • A.O. Smith 705 Series 100 - page 20

    Drawing Number: Drawing Date: H-1-E September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance with local building code requirements. Confer with local building officials before installation . The ...

  • A.O. Smith 705 Series 100 - page 21

    Drawing Number: Drawing Date: H-2-E September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance with local building code requirements. Confer with local building officials before installation . The ...

  • A.O. Smith 705 Series 100 - page 22

    Drawing Number: Drawing Date: H-3-E September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance with local building code requirements. Confer with local building officials before installation . The ...

  • A.O. Smith 705 Series 100 - page 23

    Drawing Number: Drawing Date: H-6-E September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance with local building code requirements. Confer with local building officials before installation . The ...

  • A.O. Smith 705 Series 100 - page 24

    Drawing Number: Drawing Date: H-1-RP September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance with local building code requirements. Confer with local building officials before installation . The ...

  • A.O. Smith 705 Series 100 - page 25

    Drawing Number: Drawing Date: H-1-RO September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance with local building code requirements. Confer with local building officials before installation . The ...

  • A.O. Smith 705 Series 100 - page 26

    Drawing Number: Drawing Date: H-2-RP September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance with local building code requirements. Confer with local building officials before installation . The ...

  • A.O. Smith 705 Series 100 - page 27

    Drawing Number: Drawing Date: H-2-RO September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance with local building code requirements. Confer with local building officials before installation . The ...

  • A.O. Smith 705 Series 100 - page 28

    Drawing Number: Drawing Date: H-3-RP September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance with local building code requirements. Confer with local building officials before installation . The ...

  • A.O. Smith 705 Series 100 - page 29

    Drawing Number: Drawing Date: H-6-RP September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance with local building code requirements. Confer with local building officials before installation . The ...

  • A.O. Smith 705 Series 100 - page 30

    Drawing Number: Drawing Date: H-1-T September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance with local building code requirements. Confer with local building officials before installation . The ...

  • A.O. Smith 705 Series 100 - page 31

    Drawing Number: Drawing Date: H-1-TC September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance with local building code requirements. Confer with local building officials before installation . The ...

  • A.O. Smith 705 Series 100 - page 32

    Drawing Number: Drawing Date: H-2-T September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance with local building code requirements. Confer with local building officials before installation . The ...

  • A.O. Smith 705 Series 100 - page 33

    Drawing Number: Drawing Date: H-2-TC September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance with local building code requirements. Confer with local building officials before installation . The ...

  • A.O. Smith 705 Series 100 - page 34

    Drawing Number: Drawing Date: H-3-T September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance with local building code requirements. Confer with local building officials before installation . The ...

  • A.O. Smith 705 Series 100 - page 35

    Drawing Number: Drawing Date: H-3-TC September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance with local building code requirements. Confer with local building officials before installation . The ...

  • A.O. Smith 705 Series 100 - page 36

    Drawing Number: Drawing Date: H-6-T September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance with local building code requirements. Confer with local building officials before installation . The ...

  • A.O. Smith 705 Series 100 - page 37

    Drawing Number: Drawing Date: H-6-TC September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance with local building code requirements. Confer with local building officials before installation . The ...

  • A.O. Smith 705 Series 100 - page 38

    Drawing Number: Drawing Date: MP-01 September 07, 2008 NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro- fessional engineering drawing. It is intended only as a guide and does not imply compliance with local building code requirements. Confer with local building officials before installation . The ...

  • A.O. Smith 705 Series 100 - page 39

    39 Notes ...

  • A.O. Smith 705 Series 100 - page 40

    • 500 T ennessee Waltz Parkway • Ashland, TN 37015 • ...

Manufacturer A.O. Smith Category Water Heater

Documents that we receive from a manufacturer of a A.O. Smith 705 Series 100 can be divided into several groups. They are, among others:
- A.O. Smith technical drawings
- 705 Series 100 manuals
- A.O. Smith product data sheets
- information booklets
- or energy labels A.O. Smith 705 Series 100
All of them are important, but the most important information from the point of view of use of the device are in the user manual A.O. Smith 705 Series 100.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals A.O. Smith 705 Series 100, service manual, brief instructions and user manuals A.O. Smith 705 Series 100. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product A.O. Smith 705 Series 100.

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A complete manual for the device A.O. Smith 705 Series 100, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use A.O. Smith 705 Series 100 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of A.O. Smith 705 Series 100.

A complete A.O. Smith manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual A.O. Smith 705 Series 100 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the A.O. Smith 705 Series 100, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the A.O. Smith 705 Series 100, that we can find in the current document
3. Tips how to use the basic functions of the device A.O. Smith 705 Series 100 - which should help us in our first steps of using A.O. Smith 705 Series 100
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with A.O. Smith 705 Series 100
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of A.O. Smith 705 Series 100 in a specific country, if it was not possible to solve the problem on our own.

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