GSW 110 User Manual

320576-000
REV. 00 (10-11)
Models
•110
•310
•510
On-Demand Water Heater
Installation Manual and Owner’s Guide
510 model
only
Gas Tankless Water Heater
TM
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)
If you have any questions,
please call or write to:
GSW Water Heating
599 Hill Street West
Fergus, ON Canada N1M 2X1
Toll Free: 1-888-479-8324
WARNING
If the information in these
instructions is not followed
exactly, a fire or explosion may
result causing property dam-
age, personal injury or death.
- 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
a qualified installer, service agency or the gas
supplier.

GSW 110 Specifications

General

Brand	GSW
Model	110
Category	Water Heater
Language	English

Summary

Introduction

Safety Guidelines

Safety Definitions

Defines hazard levels like DANGER, WARNING, CAUTION for safety.

General Safety

General safety practices and precautions for installation and operation.

Installation

General Installation

Covers general installation requirements, codes, and site selection.

Clearances

Optional Items

Lists optional accessories available for the water heater models.

Included Accessories

Lists the standard accessories included with the water heater.

High-altitude Installations

Venting Instructions

General Venting Rules

Provides general guidelines and rules for installing the venting system.

Exhaust Venting

Venting Illustrations

Vent Termination Clearances

Gas Supply and Pipe Sizing

Gas Connections

Details procedures for connecting the gas supply line to the water heater.

Measuring Inlet Gas Pressure

Instructions for checking the water heater's inlet gas pressure.

Pressure Relief Valve

Electrical Connections

Remote Controller Connections

Pump Control Mode

Easy-Link System

Easy-Link Connection Procedures

Step-by-step guide for connecting multiple water heater units in an Easy-Link system.

Applications

Space-Heating Applications

Discusses using the water heater for space heating applications.

Recirculation

Explains how to control the recirculation pump for water systems.

Dual-purpose Hot Water Heating

Details combining domestic hot water with space heating systems.

Initial Operation

Operating Safety

Normal Operation

DIPswitch Settings For Temperature

Explains how to set water temperature using DIPswitches on the computer board.

Temperature Settings Without Remote Controller

Describes how to adjust temperature settings using DIPswitches without a remote controller.

Flow

Freeze protection system

Maintenance and Service

Unit Draining and Filter Cleaning

Troubleshooting

General Troubleshooting

Provides solutions for common problems related to hot water delivery and temperature.

Error Codes

Easy-Link System Error Codes

Explains how error codes are displayed and interpreted in an Easy-Link system.

Single Unit Installations

Details how error codes are displayed for individual water heater units.

Fault Analysis Of Error Codes

Components Diagram

Case Assembly Diagrams

Illustrates the components and assembly of the water heater case.

Burner Assembly

Computer Board Assembly

Water Way Assembly

Water Outlet Section

Diagrams the components of the water outlet section of the water way.

Water Inlet Section

Diagrams the components of the water inlet section of the water way.

Parts List

Output Temperature Chart

Limited Warranty