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Evcon DGAT056BDD - User Manual

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INSTALLATION INSTRUCTIONS
DLAS MODELS
(No Coil Cabinet)
DGAT & DGAM MODELS
(With Built--In Coil Cabinet)
For Installation In:
1. Manufactured (Mobile) Homes
2. Recreational Vehicles & Park
Models
3. Modular Homes & Buildings
SEALED COMBUSTION
DOWNFLOW GAS FURNACES
Forced Draft with Direct Ignition (Hot Surface)
FURNACE SET---UP CHECK LIST
IMPORTANT: ONLY IND I VIDUALS HAVING PROVEN EXPERIENCE WITH THIS TYPE OF EQUIPMENT
SHOULD ATTEMPT TO PERFORM SET-- UP.
- HAS ROOF JACK CROWN B EEN CORRECTLY
INSTALLED?
- HASFURNACEGASVALVEANDBURNERORI-
FICE BEEN CORRECTLY CONVERTED FOR L.P.
GAS WHERE APPLICABLE?
- HASFURNACEGASVALVEBEENDE---RATED
FOR ALTITUD ES ABOVE 2000 FEET WHERE
APPLICABLE?
- IS GAS LINE OUTLET PRES SURE PROPERLY
SET FOR FUEL TYPE? (NATURALGASIS3.5
W.C.; L.P. IS 10 W.C.)
- IS PRIMARY AIR PROPERLY ADJUSTED PER
INSTALLATION INSTRUCTIONS?
- IS CROSS---OVER DUCT INSTALLED PER
HOME BUILDER AND EVCON INSTALLATION
INSTRUCTIONS?
- HAS FURNACE BEEN OPERATED THROUGH A
COMPLETE HEATING CYCLE?
IMPORTANT: PROPER FURNACE SET--UP AND ADJUSTMENT IS THE RESPONSIBILITY OF THE
RET AILER/HOMEOWNER AND IS NOT COVERED UNDER W ARRANTY.

Table of Contents

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Evcon DGAT056BDD Specifications

General IconGeneral
ModelDGAT056BDD
TypeGas Furnace
Heating Capacity56, 000 BTU/h
AFUE Rating80%
Blower MotorMulti-Speed
Fuel TypeNatural Gas
Voltage115 V
Vent Diameter4 inches
Weight120 lbs
Blower Motor TypePSC
Efficiency Rating80%

Summary

General Specifications and Instructions

Furnace Specifications

Details on furnace models, input/output BTUH, and electrical specifications.

Installation Standards

Guidelines for code compliance, clearances, and altitude adjustments.

Return Air Requirements

Specifications for return air systems, especially for closet installations.

Closet Installations

Detailed requirements for furnace placement within closets, including clearances.

Air Distribution Systems

Illustrations and guidance on designing supply duct systems for optimal airflow.

Roof Jacks

Locating and Cutting Roof Jack Opening

Steps for preparing the roof opening for the flue pipe assembly.

Installing Roof Jack in Roof

Procedure for securing the roof jack and flashing to the roof.

Ceiling Rings

Ceiling Ring Installation

Details on installing ceiling rings for fire safety and flue clearance.

Duct Connectors

Duct Connector Usage

Instructions for using duct connectors with varying duct sizes and attachment methods.

Template & Cutout Dimensions

Template and Cutout Guide

Provides dimensions for creating templates and cutting openings for duct connectors.

DLAS Series Furnaces

Installation Procedure for DLAS Furnace

Step-by-step guide for installing DLAS furnaces, including sub-base and duct connection.

DGAT & DGAM Series Furnaces

Installation Procedure for DGAT & DGAM Furnaces

Step-by-step guide for installing DGAT & DGAM furnaces, focusing on duct connection.

Connecting Roof Jack to Furnace

Connecting Combustion Air and Flue Pipe

Instructions on securely attaching the vent system to the furnace.

Vent System Installation Instructions

Existing Furnace Replacement

Procedures for replacing an old furnace vent system with a new one.

New Home Installation

Specific steps for installing the vent system in a new construction home.

Installation in Snow Regions

Recommendations for vent system installation in areas prone to heavy snow.

Electrical Wiring

Connecting Power Supply Wires

How to connect the main 115V power supply to the furnace.

Connecting Thermostat Wires

Guide for wiring the low-voltage thermostat connections to the furnace.

Wall Thermostat Placement

Recommendations for optimal location and mounting of the wall thermostat.

Thermostat Wiring for DGAT and DGAM Series

Thermostat Wiring Diagram

Visual guide for connecting the thermostat to DGAT and DGAM furnaces.

Thermostat Wiring for DLAS (Heat Only) Series

Thermostat Wiring Diagram

Visual guide for connecting the thermostat to DLAS heat-only furnaces.

Wiring Diagrams

DGAT Series Wiring Diagram

Detailed schematic for the DGAT series electrical connections.

DGAM Series Wiring Diagram

Detailed schematic for the DGAM series electrical connections.

Gas Piping

Installation and Checking of Gas Line

Procedures for safely installing and leak-testing the gas supply line.

Observing Burner Operation

How to check the burner flame appearance and furnace cycles.

Combustion Air Adjustment

Steps to adjust the combustion air for optimal flame appearance and efficiency.

Final Procedure

If Furnace Fails to Operate Properly

Troubleshooting steps to identify and resolve common operational issues.

Install Furnace Doors

Instructions for correctly installing the furnace access doors.

Finish and Trim

Steps for completing the installation, including alcove and closet finishing.

Furnace and Air Conditioner Installations

Considerations for installing the furnace with an air conditioning unit.

Manufactured Housing Deration Chart

Propane Deration

Table showing derated output capacity for propane at various altitudes.

Natural Gas Deration

Table showing derated output capacity for natural gas at various altitudes.

Repair Parts List

DGAM, DGAT & DLAS Series Parts

List of part numbers and descriptions for DGAM, DGAT, and DLAS furnaces.

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