Empire Heating Systems DV-25-2SG

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12434-7-0706

Page 1

DIRECT VENT

WALL FURNACE

MODELS

DV-25-2SG

DV-35-2SG

EFFECTIVE DATE

JULY 2006

WARNING: If not installed, operated and

maintained in accordance with the manufacturer's

instructions, this product could expose you to

substances in fuel or from fuel combustion which

can cause death or serious illness.

INSTALLATION INSTRUCTIONS

AND

OWNER'S MANUAL

This appliance may be installed in an aftermarket,

permanently located, manufactured home (USA

only) or mobile home, where not prohibited by

state or local codes.

This appliance is only for use with the type of gas

indicated on the rating plate. This appliance is

not convertible for use with other gases, unless a

certiﬁed kit is used.

Installer: Leave these instructions with the

consumer.

Consumer: Retain these instructions for future

use.

— 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 this manual

is not followed exactly, a ﬁre or explosion may

result causing property damage, personal injury

or loss of life.

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Do you have a question about the Empire Heating Systems DV-25-2SG and is the answer not in the manual?

Summary

General Safety Precautions

LP-Gas User Safety Guidelines

LP-Gas Leak Warning and Response

Immediate actions to take when smelling gas.

Propane Odor Detection and Fade

Factors affecting propane odor detection and precautions.

Key LP-Gas Safety Reminders

Essential safety practices for LP-gas users.

Massachusetts Installation Mandates

Carbon Monoxide Detector Installation

Mandated CO detector placement and compliance standards.

Signage and Inspection Requirements

Gas vent signage and inspector approval mandates.

Installation Introduction and General Information

Installer Guidance and Warnings

Guidelines and safety warnings for installers.

Furnace Specifications Overview

Technical details including input, dimensions, and accessories.

Gas Supply Installation Procedures

Gas Supply Line Routing and Sizing

Guidance on gas line entry and pipe diameter recommendations.

Gas Connections and Control Valve

Flexible/rigid gas line connections and main gas cock installation.

Gas System Pressure Testing

Procedures for pressure testing and checking manifold pressure.

Installation Clearances and Wall Prep

Required Installation Clearances

Minimum distances from combustible materials and obstructions.

Furnace Placement and Wall Opening

Selecting furnace location and preparing the wall opening.

Wall Mounting Bracket Installation

Steps for attaching the wall mounting bracket.

Furnace and Vent Assembly

Mounting Furnace to Wall Bracket

Securing the furnace unit to the installed wall bracket.

Vent Tube Preparation and Cutting

Proper cutting and connection of air inlet and flue outlet tubes.

Vent Assembly Installation and Sealing

Connecting vent components and ensuring proper sealing.

Vent Installation on Projections;Siding

Adapting vent installation for vinyl siding or wall projections.

Thermostat Placement and System Check

Optimal Thermostat Placement

Guidelines for locating the thermostat on an interior wall.

Piezo Pilot Ignitor Operation

Instructions for using the piezo ignitor for pilot lighting.

Millivolt System Check Procedure

Steps and expected readings for checking the millivolt system.

Pilot Lighting and Shutdown Procedures

Critical Safety Warnings for Lighting

Critical safety warnings and procedures before lighting the pilot.

Pilot Lighting Procedure

Step-by-step guide to safely lighting the pilot and main burner.

Appliance Gas Shutdown Procedure

Steps to safely turn off gas supply to the appliance.

Pilot Flame Characteristics

Main Burner Flame Characteristics

Pilot Flame Appearance and Adjustment

Description of correct pilot flame and adjustment for natural gas.

Main Burner Flame Appearance

Expected main burner flame appearance and what it indicates.

Primary Air Adjustment for Noise;Flame

Adjusting primary air for whistling noise or yellow flame.

Maintenance Procedures

Furnace Component Maintenance

Procedures for cleaning and removing burner components.

Troubleshooting Common Issues

Troubleshooting Scenarios

Diagnosing and resolving issues like pilot outages and flame problems.

Ordering Replacement Parts

Part Ordering Process

Instructions for obtaining correct part numbers and ordering process.

Comprehensive Parts List

Index of all available replacement parts with numbers and descriptions.

Parts View Diagram

Component Identification Diagram

Illustrated diagram showing the location of all numbered parts.

Optional Blower Installation

Blower Unit Mounting and Attachment

Step-by-step guide for attaching the optional blower assembly.

Blower Fan Control and Wiring

Understanding the automatic fan control and wiring connections.

Blower Maintenance Procedures

Blower Cleaning and Oiling

Instructions for cleaning the blower wheel and oiling the motor.

Service Notes and Records

Blank Service Record Pages

Unused pages designated for recording service information.