GSW 310 Installation Manual And Owner's Manual

GSW 310 Installation Manual And Owner's Manual

Gas tankless on-demand water heater

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On-Demand Water Heater
Installation Manual and Owner's Guide
Gas Tankless Water Heater
Suitable for potable water heating and space-heating*
* Please refer to local codes for space-heating compliance.
FEATURING
• ENDLESS HOT WATER
• ON-DEMAND USAGE
• COMPACT, SPACE SAVING
• ENERGY CONSERVATION
• COMPUTERIZED SAFETY
• NO PILOT LIGHT
• EASY-LINK SYSTEM*
*(510 models only)
510 model
only
WARNING
- Do not store or use gasoline or other flam-
mable 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 electric switch, do not
use any phone in your building.
• Immediately call your gas supplier from a
neighbor's phone. Follow the gas suppli-
er's instructions.
• If you cannot reach your gas supplier, call
the fire department.
- Installation and service must be performed by
TM
a qualified installer, service agency or the gas
supplier.
If you have any questions,
Fergus, ON Canada N1M 2X1
Toll Free: 1-888-479-8324
Models
•110
•310
•510
If the information in these
instructions is not followed
exactly, a fire or explosion may
result causing property dam-
age, personal injury or death.
please call or write to:
GSW Water Heating
599 Hill Street West
320576-000
REV. 00 (10-11)

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Table of Contents
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Summarization of Contents

INTRODUCTION
General
General information on installation, operation, and maintenance of the water heater.
SAFETY GUIDELINES
Safety Definitions
Defines DANGER, WARNING, and CAUTION indicators for hazardous situations.
General
General safety rules for installation and operation of the water heater.
INSTALLATION
General
General guidelines and requirements for installing the water heater.
Venting Instructions
General
General rules and safety precautions for water heater venting.
Gas Supply and Pipe Sizing
General
General guidelines for gas supply and pipe sizing, including safety warnings.
Easy-Link System
General
General information about the Easy-Link system for manifolding units.
Easy-Link Connection Procedures
Step-by-step instructions for connecting units in an Easy-Link system.
APPLICATIONS
Space-Heating Applications
Guidelines for using the water heater in space-heating applications, including flow rates.
OPERATING SAFETY
Operating Instructions
Step-by-step instructions for safely operating the water heater.
To Turn Off Gas to Appliance
Procedure for safely turning off the gas supply to the appliance.
NORMAL OPERATION
General
General information and safety precautions for normal operation.
Temperature Settings
Without Remote Controller
How to adjust temperature settings using DIP switches without a remote controller.
TROUBLESHOOTING
General
General troubleshooting guide for common problems and their solutions.
Error Codes
Easy-Link System
How error codes are displayed for units within an Easy-Link system.
Single Unit Installations
How error codes are displayed for single unit installations.
COMPONENTS DIAGRAM
Case Assembly
Diagram illustrating the case assembly components of the water heater.
Water Way Assembly
Water Outlet Section
Diagram of the water outlet section components.
Water Inlet Section
Diagram of the water inlet section components.

Table of Contents