A.O. Smith FMD 40, FMD 50, FMD 30, 315795-000 MH instruction manual Table of Contents, Introduction

Page 4

TABLE OF CONTENTS

SAFE INSTALLATION, USE AND SERVICE

2

GENERAL SAFETY

3

TABLE OF CONTENTS

4

INTRODUCTION

4

Preparing for the New Installation

4

TYPICAL INSTALLATION

5-6

LOCATING THE NEW WATER HEATER

7

Facts to Consider About Location

7-8

Insulation Blankets

8-9

INSTALLING THE NEW WATER HEATER

9-19

Water Heater Installation

9-10

Securing Water Heater to Floor and Wall

10

Roof Jack Installation

11-14

Manufactured Home installed Over Basement or

 

Crawl space-Air Intake Through an Outside wall

12,13

Cutting Opening Through an Outside Wall and

 

Collar Installation

13

Cementing PVC, ABS or CPVC Pipe and Fittings

13

Water Piping

14

T & P Valve and Pipe Insulation

14,15

Temperature Pressure Relief Valve

15

Filling the Water Heater

16

Gas Piping

16

Sediment Traps

17

Fuel Conversion Instructions from Natural Gas

 

to Propane (L.P.) Gas

17,18

Fuel Conversion Instructions from Propane (L.P.)

 

to Natural Gas

19

LIGHTING & OPERATING LABEL

20

TEMPERATURE REGULATION

21

FOR YOUR INFORMATION

21-22

Start Up Conditions

21

Condensate

21,22

Smoke/Odor

22

Thermal Expansion

22

Strange Sounds

22

Operational Conditions

22

Smelly Water

22

“Air” in Hot Water Faucets

22

High Temperature Shut Off System

22

PERIODIC MAINTENANCE

23-25

Venting System Inspection

23

Burner Inspection

23

Burner Cleaning

23

Housekeeping

23

Anode Rod Inspection

24

Temperature-Pressure Relief Valve Operation

24

Draining

24

Drain Valve Washer Replacement

24

Service

25

LEAKAGE CHECKPOINTS

25

TROUBLESHOOTING

26

REPAIR PARTS

27

WARRANTY

Insert

INTRODUCTION

Thank You for purchasing this water heater. Properly installed and maintained, it should give you years of trouble free service.

Abbreviations Found In This Instruction Manual:

CSA - Canadian Standards Association

ANSI - American National Standards Institute

NFPA - National Fire Protection Association

ASME - American Society of Mechanical Engineers

UL - Underwriters Laboratories Inc.

This gas-fired water heater is design certified by CSAINTERNATIONAL under American National Standard/CSA Standard for Gas Water Heaters for Manufactured Home Installation, ANSI Z21.10.1 • CSA 4.1 (current edition).

PREPARING FOR THE INSTALLATION

1.Read the “General Safety” section, page 3 of this manual first and then the entire manual carefully. If you don’t follow the safety rules, the water heater will not operate properly. It could cause DEATH, SERIOUS BODILY INJURY AND/OR PROPERTY DAMAGE.

This manual contains instructions for the installation, operation, and maintenance of the gas-fired water heater. It also contains warnings throughout the manual that you must read and be aware of. All warnings and all instructions are essential to the proper operation of the water heater and your safety. Since we

cannot put everything on the first few pages, READ THE ENTIRE

MANUAL BEFORE ATTEMPTING TO INSTALL OR OPERATE THE WATER HEATER.

2.Instructions to Manufactured Home Manufacturers:

The installation must conform with the Mobile Homes Industrialized Building Construction standard CAN/CSA-Z240.4.1.

Instruction for replacement installation:

The installation must conform with these instructions and the local code authority having jurisdiction. In addition, installations shall comply with the Natural Gas and Propane Installation Code (CAN/CSA-B149.1-current edition). This publication is available from the Canadian Standards Association, 5060 Spectrum Way, Suite 100 Mississauga, Ontario, Canada L4W 5N6.

3.If after reading this manual you have any questions or do not understand any portion of the instructions, call the local gas utility or the manufacturer whose name appears on the rating plate.

4.Carefully plan the place where you are going to put the water heater. Correct combustion, vent action, and vent pipe installation are very important in preventing death from possible carbon monoxide poisoning and fires, see Figures 1 and 2.

Examine the location to ensure the water heater complies with the “Locating the New Water Heater” section in this manual.

4

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Contents Residential Direct Vent GAS Water Heaters For USE only in Manufactured HomesSafe INSTALLATION, USE and Service Important DefinitionsGeneral Safety Table of Contents IntroductionTypical Installation Thermostat Shield OptionalHotter Water can Scald Locating the NEW Water Heater Facts to Consider about the LocationInsulation Blankets Installing the NEW Water Heater Water Heater InstallationSecuring Water Heater to Floor and Wall Basement or crawl spaceRoof Jack Installation ALL 50 Gallon 189.27 Liter Models ALL ModelsMovement Complete Joint SET HRSWater Piping Valve and Pipe InsulationTEMPERATURE-PRESSURE Relief Valve Filling the Water Heater GAS PipingSediment Traps For 30 Gallon HeaterFor 40 Gallon Heater For 50 Gallon HeaterPage For 30 Gallon Heater Page Temperature Regulation For Your InformationStart UP Conditions CondensateOperational Conditions Periodic Maintenance Burner CleaningVenting System Inspection Burner InspectionAnode ROD Inspection DrainingWater system. Check for any leaks Immediately correct any if foundService Drain Valve Washer ReplacementLeakage Checkpoints Troubleshooting Guidelines Repair Parts List Metal Drain PAN Thermostat Shield Manifold AssemblyPage Page Rechange DE Pièces DES Liste UNE NON ET Rechange DE Pièces DE Liste UNE EST CeciDépannage DE Directives Suie DE FormationLA DE Rondelle LA DE Remplacement Fuites DE Vérification DE PointsVidange DE Soupape Trop PAS’ANODE Tige LA DE Inspection Périodique Entretien EntretienBrûleur DU Inspection Brûleur DU Nettoyage .37 FigureFonctionnement DE Conditions Information Votre Pour Température LA DE RégulationDémarrage DE Conditions Condensation’APPAREIL Vers GAZ LE Couper Mort la ou corporelles blessures des matérielsNaturel GAZ AU .L.P Propane GAZ DU Gallons 50 DE EAU-CHAUFFE UN PourGallons 40 DE EAU-CHAUFFE UN Pour EAU-CHAUFFE Gallons 30 Pour19 à 9 étapes les Ce jusqu’à30 Figure Voir basse, plus la position sa à Droite la vers tournéSédiments À Trappes Modèle DU Signalétique Plaque LA SUR Listé Celui QUEGallons 30 DE EAU-CHAUFFE UN Pour Remplacement le requiert Ceci .supplémentaire pieds 000 1 m GAZ DE ConduiteEAU-CHAUFFE LE Remplir Et eau,-chauffe le dessert qui gaz en d’alimentationPression DE ET Température DE Décharge DE Soupape Prudence ’EAU Canalisation DE RéseauTuyaux DES Isolation ET P & T DE Soupape Potable non d’eau système un à pas connectez NeDE Joints DES Pour Approximatif Prise DE Temps Complet Joint DU Tableau JEU MouvementRaccords LES ET Cpvc OU ABS PVC, Tuyau LE Cimenter Modèles LES Tous Gallons 50 Litres 189,27 Modèles LES TousCheminée DE Trémie LA DE Installation Pente en toit un sur utilisationMUR AU ET Plancher AU EAU-CHAUFFE LE Fixer EAU-CHAUFFE Nouveau LE Installer EAU-CHAUFFE DU InstallationDe l’air blessures, des éviter Pour Blankets InsulationDétectée est fuite la lorsque EAU-CHAUFFE Nouveau DU L’EMPLACEMENT Choisir ’EMPLACEMENT DE Sujet AU Considérer À Faits» eau-chauffe nouveau le Installer « section la dans Respectés être doiventTypique Installation Ébouillanter Peut Chaude Plus L’EAU DEGAZ AU Modèles EAU-CHAUFFE Votre Connaissez ’INSTALLATION Pour Préparer SE Matières DES TableGénérale Sécurité Entretien ET Utilisation .SÉCURITAIRE Installation Importantes DéfinitionsEAU-CHAUFFE LE SUR 000-15795 Pièce DE .NO Unis-États AUX ImpriméEAU-CHAUFFE CE PAR Utilisé GAZ AU Ajouté EST Odorisant UN

FMD 40, FMD 50, 315795-000 MH, FMD 30 specifications

A.O. Smith is a renowned brand in the field of water heating solutions, offering a range of efficient and durable water heaters tailored to meet diverse consumer needs. Among its extensive lineup, the A.O. Smith FMD series showcases several commendable models, including the FMD 30, FMD 40, and FMD 50, each boasting unique features and advanced technologies.

The A.O. Smith FMD 30 is a compact water heater designed for smaller households or limited spaces. With a 30-gallon capacity, it is engineered to provide ample hot water for everyday needs such as bathing, washing dishes, and laundry. The heater employs advanced insulation technology, ensuring heat retention and energy efficiency. The thermostatic control system allows users to easily adjust the water temperature to their preference, ensuring comfort while promoting safety.

Moving to the A.O. Smith FMD 40, this model offers an increased capacity of 40 gallons, making it an ideal choice for medium-sized families. It incorporates A.O. Smith’s cutting-edge Durapower glass coating, which protects the tank from corrosion, ultimately extending its lifespan. The FMD 40 also features an enhanced heating element design that ensures rapid heating and consistent water temperature, making it perfect for bustling households.

The A.O. Smith FMD 50 takes things a step further, providing 50 gallons of hot water storage and designed for larger families or high-demand applications. This model integrates advanced technology features like a smart thermal control system that optimizes energy usage, ensuring that hot water is available when you need it without unnecessary power consumption. With robust construction materials, the FMD 50 is built to last, even in harsh conditions.

All models in the A.O. Smith FMD series prioritize user convenience. They come equipped with easy-to-read digital displays for monitoring temperature and status, along with built-in safety features such as automatic shut-off mechanisms. Installation is straightforward, and each unit adheres to energy efficiency standards, which help reduce utility bills while being environmentally friendly.

In summary, the A.O. Smith FMD series, including the FMD 30, FMD 40, and FMD 50, represents a commitment to quality and innovation. With their varying capacities and advanced technologies, these water heaters cater to a wide range of household needs, delivering reliable hot water solutions while maintaining energy efficiency and durability. Investing in an A.O. Smith FMD water heater not only guarantees comfort but also highlights a commitment to sustainability.