Table Of Contents; Introduction; Preparing For The New Installation - A.O. Smith ProMax Power-Vent 185237-004 Instruction Manual

Residential gas water heater power vented gas models with hot surface ignition not for use in manufactured (mobile) homes

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Table of Contents

SAFE INSTALLATION, USE AND SERVICE............................2

GENERAL SAFETY..................................................................3

TABLE OF CONTENTS ............................................................4

INTRODUCTION ......................................................................4

Preparing for the New Installation .....................................4

INSTALLATION REQUIREMENTS FOR THE

COMMONWEALTH OF MASSACHUSETTS ...........................5

TYPICAL INSTALLATION ..................................................... 6-7

LOCATING THE NEW WATER HEATER ............................. 8-9

Facts to Consider About Location ................................. 8-9

Insulation Blankets ............................................................9

Combustion Air and Ventilation for Appliances

Located in Unconﬁ ned Spaces .........................................9

Combustion Air and Ventilation for Appliances

Located in Conﬁ ned Spaces ....................................... 9-10

INSTALLING THE WATER HEATER ................................ 10-21

Water Piping ..............................................................11-12

Temperature-Pressure Relief Valve ................................12

Gas Piping ......................................................................13

Sediment Traps ...............................................................14

Blower Assembly Installation ..........................................14

Vent Pipe Connection to Blower Assembly .....................15

Venting and Installation ............................................. 15-16

LIGHTING & OPERATING LABEL .........................................21

TEMPERATURE REGULATION ............................................22

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

• GAMA - Gas Appliance Manufacturer's Association

• UL - Underwriters Laboratories Inc.

This gas-ﬁ red water heater is design certiﬁ ed by Underwriters Laboratories

Inc. under American National Standard/CSA Standard for Gas Water

Heaters ANSI Z21.10.1 • CSA 4.1 (current edition).

PREPARING FOR THE INSTALLATION

1. Read the "General Safety" section, page 3 of this manual ﬁ rst 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-ﬁ red 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 ﬁ rst few pages, READ THE ENTIRE MANUAL

BEFORE ATTEMPTING TO INSTALL OR OPERATE THE WATER

HEATER.

FOR YOUR INFORMATION ...................................................23

PERIODIC MAINTENANCE ...................................................24

LEAKAGE CHECKPOINTS ....................................................26

REPAIR PARTS ......................................................................27

TROUBLESHOOTING ..................................................... 28-30

WARRANTY ...........................................................................31

INTRODUCTION

2. The installation must conform with these instructions and the local code

3. The water heater when installed must be grounded in accordance

4. If after reading this manual you have any questions or do not

5. Carefully plan the place where you are going to put the water heater.

6. For California installation this water heater must be braced, anchored,

7. Massachusetts Code requires this water heater to be installed in

8. Complies with SCAQMD rule #1121 and districts having equivalent

Start Up Conditions .........................................................23

Condensate.....................................................................23

Smoke/Odor ....................................................................23

Thermal Expansion .........................................................23

Strange Sounds ..............................................................23

Operational Conditions ...................................................23

Smelly Water ...................................................................23

"Air" in Hot Water Faucets ..............................................23

High Temperature Shut Off System ................................23

Venting System Inspection..............................................24

Burner Inspection ............................................................24

Burner Cleaning ..............................................................24

Housekeeping ........................................................... 24-25

Anode Rod Inspection.....................................................25

Temperature-Pressure Relief Valve Operation ...............25

Draining...........................................................................25

Drain Valve Washer Replacement ............................ 25-26

Service ............................................................................26

authority having jurisdiction. In the absence of local codes, installations

shall comply with the National Fuel Gas Code ANSI Z223.1/NFPA

54 and the National Electrical Code, NFPA 70. These publications

are available from The National Fire Protection Association, 1

Batterymarch Park, Quincy, MA 02269.

with the local codes, or in the absence of local codes: In the United

States, the National Electrical Code. ANSI/NFPA 70.

understand any portion of the instructions, call the local gas utility or

the manufacturer whose name appears on the rating plate.

Correct combustion, vent action, and vent pipe installation are

very important in preventing death from possible carbon monoxide

poisoning and ﬁ res, 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.

or strapped to avoid falling or moving during an earthquake. See

instructions for correct installation procedures. Instructions may be

obtained from California Ofﬁ ce of the State Architect, 400 P Street,

Sacramento, CA 95814.

accordance with Massachusetts 248-CMR 2.00: State Plumbing Code

and 248-CMR 5.00. For more information see next page.

NOx requirements.

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Table Of Contents; Introduction; Preparing For The New Installation - A.O. Smith ProMax Power-Vent 185237-004 Instruction Manual