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Installation, Start-up, Operating, and
Service and Maintenance Instructions
The 58DLA/DLX 4-way Multipoise Gas Furnaces offer deluxe features not found in other single-stage
80% gas furnaces. Carrier's QuietTech™ noise reduction system makes the Comfort 80 an incredibly quiet
induced draft gas furnace. The exclusive Carrier Media Cabinet provides an economic way to add high
performance air filtration to homes. The Comfort 80 control system provides a dehumidification mode, a third
motor speed selection for continuous fan operation selectable at the thermostat, and fault code storage in
the event of power outages. Applications are easy with 4-way multipoise design, through-the-furnace
downflow venting, 13 different venting options, and a door designed for easy service access. An inner
blower door is provided for tighter sealing in sensitive applications. The 58DLA/DLX furnaces are approved
for use with natural or propane gas, and the 58DLX is also approved for use in Low NOx Air Quality
Management Districts.
Catalog No: 535-80148
-Series 120
THE COMFORT™ 80 GAS FURNACE
STANDARD FEATURES
- QuieTech noise reduction system
- Media Filter Cabinet Included
- Microprocessor based control center
Dehumidification selection for summer-time cooling
SmartEvap™-Humidity control when using a
Thermidistat™ control
Adjustable heating air temperature rise
Adjustable cooling airflow
ComfortFan™--Constant fan speed selectable from
thermostat
LED diagnostics and self test feature
Stores fault codes during power outages
- 4-way Multipoise furnace, 13 vent applications
- Hot surface ignition (HSI)
- Draft safeguard switch to ensure proper furnace venting
- All models are Chimney-Friendly when used with
- Insulated blower compartment
- Heat pump compatible
- Residential installations eligible for consumer financing
through the Retail Credit Program
- Twinning in Upflow, Downflow and Horizontal
LIMITED WARRANTY
-
-
Form No. 58DL-5SI
Deluxe Induced-Combustion
4-Way Multipoise Furnace
accessory vent kit
20-year warranty on "Super S™" heat exchanger
5-year parts warranty on all other components
58DLA/58DLX
3-05
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Table of Contents
Related Manuals for Carrier Deluxe 58DLX
Summarization of Contents
CODES AND STANDARDS
Safety
Safety rules and guidelines for furnace operation and installation.
General Installation
General requirements and procedures for installing the furnace.
Combustion and Ventilation Air
Regulations for air supply for combustion and ventilation.
Duct Systems
Standards for designing and installing air duct systems.
Acoustical Lining and Fibrous Glass Duct
Guidelines for using acoustical lining and fibrous glass ductwork.
Gas Piping and Gas Pipe Pressure Testing
Procedures for gas piping installation, testing, and leak detection.
Electrical Connections
Standards and requirements for electrical connections and wiring.
LOCATION
General
General requirements for selecting the furnace installation location.
Location Relative to Cooling Equipment
Guidance on placement relative to air conditioning units.
INSTALLATION
Upflow Installation
Step-by-step instructions for furnace installation in upflow mode.
Downflow Installation
Step-by-step instructions for furnace installation in downflow mode.
Horizontal Installation
Step-by-step instructions for furnace installation in horizontal mode.
Suspended Unit Support
Methods for securely supporting suspended furnace units.
Platform Unit Support
Guidelines for supporting the furnace on a platform or base.
Roll-Out Protection
Installation of protective measures against flame roll-out.
START-UP, ADJUSTMENT, AND SAFETY CHECK
General
Overview of the start-up, adjustment, and safety check procedures.
Start-Up Procedures
Detailed steps for initiating furnace operation and checks.
Adjustments
Procedures for adjusting gas input, manifold pressure, and temperature rise.
Check Safety Controls
Verifying the proper function of safety controls.
Checklist
A final review checklist for installation completion.
SERVICE AND MAINTENANCE PROCEDURES
Introduction
Introduction to the service and maintenance section.
General
General guidelines for servicing and maintaining the furnace.
Electrical Controls and Wiring
Servicing procedures for electrical components and wiring.
Care and Maintenance
Routine maintenance tasks to ensure optimal furnace performance.
Cleaning and/or Replacing Air Filter
Instructions for cleaning or replacing the air filter.
Blower Motor and Wheel
Procedures for cleaning the blower motor and wheel.
Cleaning Heat Exchanger
Steps for cleaning the furnace heat exchanger.
Sequence of Operation
Detailed explanation of the furnace's operational sequences.
Wiring Diagrams
Visual guides illustrating the furnace's electrical wiring.
Troubleshooting
Guide to diagnose and resolve common furnace problems.
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