Dettson HGRC - User Manual

Caution : Do not tamper with
the unit or its controls.
Call a qualified service
technician.
GAS FIRED
HOT WATER BOILER
AND WATER HEATER
Save these instructions for future reference.
Printed in Canada
2006/02/13
X40037 Rev. G
Model Series :
HGRC
D
N
S
-
0
6
0
7
R
e
v
A
Division ICP
UTC Canada Corporation
Sherbrooke, Quebec J1L 1V8
3400, Industrial Boulevard
Manufactured by :

Summary

Installation

Hazard Warnings and Definitions

Explains the meaning of DANGER, WARNING, and CAUTION labels used in the manual.

Heat Exchanger Details

Gas Train Components

Ignition Types

Installation Location Requirements

Minimum Clearances for Installation

Lists required clearances from combustible materials for various parts of the unit.

Combustion Air Supply

Gas Supply and Piping

Guidelines for gas piping installation, including compliance with codes and manual shut-off valve.

Electrical Wiring

Covers electrical connection requirements, including circuit protection, voltage, and grounding.

Water Piping Overview

Chimney Venting

Operation

Fuel Usage

Specifies that only natural gas or propane gas should be used.

System Start-Up

Step-by-step instructions for filling the system, purging air, and checking pressure.

Lighting the Pilot

Detailed procedures for lighting the pilot light for different ignition types.

Lighting Main Burners

Instructions for lighting the main burners after the pilot is established.

Verifications and Adjustments

Gas Leak Checks

Instructions for checking for gas leaks and emergency procedures.

Dettson HGRC Specifications

General

Boiler Type	Condensing
Vent Type	Direct Vent
Fuel Type	Natural Gas, Propane
Dimensions	Varies by model
Weight	Varies by model