Whirlpool 315422-000 User Manual

1
Ultra Low Nox
Gas Water Heater
with the Flame Lock™
Safety System
Installation
Instructions and
Use & Care Guide
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch;
do not use any phone in your
building.
• Immediately call your gas supplier
from a neighbor’s phone. Follow
the gas supplier’s instructions.
• If you cannot reach your gas
supplier, call the fire department.
Installation and service must be performed
by a qualified installer, service agency or
the gas supplier.
WARNING: If the information in these
instructions is not followed exactly, a fire
or explosion may result causing property
damage, personal injury or death.
INSTALLER:
• AFFIX THESE INSTRUCTIONS TO OR ADJACENT
TO THE WATER HEATER.
OWNER:
• RETAIN THESE INSTRUCTIONS AND WARRANTY
FOR FUTURE REFERENCE. RETAIN THE ORIGINAL
RECEIPT AS PROOF OF PURCHASE.
315422-000
W10123251
December 2008
Table of Contents ...................................................... 2
®
To obtain technical, warranty, or service assistance during or after
the installation of this water heater, visit our website at:
http://www.whirlpoolwaterheatersupport.com
or call toll free
1-877-817-6750
When calling for assistance, please have the following
information ready:
1. Model number
2. 7 digit product number
3. Serial number
4. Date of installation
5. Place of purchase

Whirlpool 315422-000 Specifications

General

Brand	Whirlpool
Model	315422-000
Category	Water Heater
Language	English

Summary

General Safety and Installation Guidance

What to Do If You Smell Gas

Immediate actions to take if you detect gas to prevent fire or explosion.

Water Heater Safety and Important Instructions

Safety Alert Symbols and Definitions

Critical Safety Guidelines

Key instructions on appliance usage, flood conditions, and chemical warnings.

Location Requirements and Hazards

Fire and Explosion Hazards

Warnings against storing flammable materials near the water heater.

Carbon Monoxide Poisoning Hazard

Warning against installing the water heater in mobile homes.

Site Selection Criteria

Gas Supply and Piping

Gas Type and Supply Requirements

Gas Piping Installation Standards

Installation requirements for gas piping according to codes and standards.

Gas Pressure Testing

Combustion Air Supply and Ventilation

Carbon Monoxide Warning

Critical warnings regarding ventilation and combustion air for safety.

Corrosive Atmosphere Avoidance

Combustion Air: Unconfined vs. Confined Spaces

Confined Space Ventilation

Vent Pipe System Installation

Vent Pipe System Overview

Vent Connectors and Clearances

Draft Hood Installation

Chimney and Vent Termination

Chimney Connection Procedures

Vertical Exhaust Gas Vent Installation

Water System Piping Installation

General Piping and Pressure Guidelines

Hot and Cold Water Connections

Step-by-step instructions for connecting hot and cold water supply lines.

Closed Water Systems and Thermal Expansion

Explosion Hazard Warning

Warning about explosion risks related to temperature and pressure relief valve issues.

Thermal Expansion Tank Requirement

Temperature and Pressure Relief Valve

Relief Valve and Discharge Line Requirements

Specifications for the relief valve, discharge line, and their installation.

Operating Your Water Heater

Pilot Lighting Instructions

Detailed steps for safely lighting the pilot and operating the water heater.

Robertshaw Gas Valve Lighting

Specific lighting instructions for the Robertshaw gas control valve.

Checking the Draft

Burn Hazard Warning

Warning about burn hazard from touching the vent and ensuring proper draft.

White Rodgers Gas Valve Lighting

Specific lighting instructions for the White Rodgers gas control valve.

Burner Flame and Temperature Settings

Burner Flame Characteristics

Water Temperature Regulation

Guidelines for setting the thermostat to prevent scald injuries.

Operational Conditions and Safety Features

Safety Shut-Off Mechanisms

Conditions under which the water heater automatically shuts off.

Water Heater Maintenance Procedures

Draining and Flushing the Tank

Routine Preventive Maintenance Inspections

Temperature and Pressure Relief Valve Test

Instructions for manually operating the relief valve annually to ensure function.

Component Replacement and Cleaning

Replacing the Thermocouple

Procedure for replacing the thermocouple component.

Flame-trap and Pilot Cleaning

Combustion Chamber Cleaning

Burner Door and Igniter System Service

Replacing the Burner Door Assembly

Piezoelectric Igniter System

Testing the Igniter System

Gas Control Valve Service and Troubleshooting

Replacing the Gas Control Valve/Thermostat

Troubleshooting: Burner Ignition Failure

Troubleshooting steps for when the burner fails to ignite.

Troubleshooting: Pilot Light Issues

Troubleshooting steps for when the pilot light will not ignite.

Troubleshooting Common Issues

Pilot Light Not Remaining Lit

Troubleshooting steps for pilot light not staying lit or going out.

Insufficient or Slow Hot Water

Relief Valve Dripping

Pilot Light Troubleshooting Flowchart

Section A: Pilot Light Will Not Light

Diagnostic steps for when the pilot light fails to ignite.

Section B: Pilot Light Issues

Diagnostic steps for when the pilot light does not stay lit or goes out.