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A95UH1D, A93UH1D, 95G1UH-P & 92G1UH-P
Upflow/Horizontal Left and Right Air Discharge
This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in
manuals, be alert to the potential for personal injury or death.
Unit Dimensions ..........................................................2
Parts Arrangement.......................................................3
Gas Furnace ................................................................4
Shipping and Packing List ...........................................4
Safety Information .......................................................4
General ........................................................................6
Combustion, Dilution & Ventilation Air .........................7
Installation .................................................................10
Filters .........................................................................13
Duct System ..............................................................13
Venting Practices .......................................................16
Condensate Piping ....................................................36
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a licensed professional installer (or
equivalent), service agency or the gas supplier.
Manufactured By
Allied Air Enterprises LLC
A Lennox International, Inc. Company
215 Metropolitan Drive
West Columbia, SC 29170
507270-03
INSTALLATION INSTRUCTIONS
Warm Air Gas Furnace
This manual must be left with the homeowner for future reference.
Table of Contents
WARNING
Save these instructions for future reference
Gas Piping .................................................................39
Electrical ....................................................................42
Unit Start-Up ..............................................................45
Air for Non-Direct Vent Applications ..........................49
Other Unit Adjustments..............................................50
Blower Performance A93UH1D / 92G1UH ...............51
Blower Performance A95UH1D / 95G1UHD ............54
Service.......................................................................57
Planned Service ........................................................59
Repair Parts List ........................................................59
As with any mechanical equipment, personal injury can
result from contact with sharp sheet metal edges. Be
careful when you handle this equipment.
Issue 1917
CAUTION
*P507270-03*
(P) 507270-03
Page 1 of 60
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Table of Contents
Related Manuals for Lennox 110-16
Summarization of Contents
Furnace Overview and Preparation
Unit Dimensions and Specifications
Details physical dimensions, clearances, and connection sizes for furnace installation.
Component Identification
Illustrates and labels the main internal components of the furnace unit.
Critical Safety Warnings
Highlights essential safety precautions for installation, operation, and servicing.
Regulatory Compliance and Codes
Outlines adherence to national and local building codes for safe installation.
Combustion and Ventilation Air Needs
Specifies air requirements for proper combustion and dilution.
Shipping and Handling Procedures
Instructions for safely removing the furnace from shipping and preparing it.
Installation Procedures
Equipment Placement and Clearances
Guidance on selecting installation locations and maintaining required clearances.
Upflow Configuration Installation
Step-by-step instructions for installing the furnace in an upflow orientation.
Horizontal Configuration Installation
Procedures for installing the furnace in a horizontal orientation, including suspended options.
Venting System Installation Guide
Covers venting practices, pipe suspension, wall thickness, and common vent removal.
Intake and Exhaust Piping Details
Specifics on routing, connecting, and terminating intake and exhaust pipes.
Vent Termination Requirements
Details clearances and methods for terminating vent pipes in various locations.
Exhaust Through Crawl Space Option
Instructions for venting furnace exhaust through a crawl space using specific kits.
Condensate and Gas Piping
Condensate Trap Setup and Locations
Instructions for installing and locating the condensate trap and drain.
Condensate Drain Connection Options
Details for optional condensate drain connections and piping.
Gas Piping Installation and Sizing
Covers gas pipe capacity, sizing tables, and installation best practices.
Electrical System and Controls
Electrical Safety and ESD Precautions
Guidelines to prevent damage from static discharge and ensure electrical safety.
Blower Speed and Generator Requirements
Information on blower speed control and voltage/frequency needs for generator use.
Wiring Diagrams and Connections
Illustrates field wiring, control board configurations, and connections.
Unit Start-Up and Operation
Pre-Operation Safety Checks
Essential safety checks to perform before initial furnace operation.
Initial Furnace Start-Up Procedure
Step-by-step guide for safely starting the furnace for the first time.
Gas Pressure Adjustment and Combustion
Procedures for adjusting gas pressure and ensuring proper combustion.
Blower Performance Specifications
A93UH1D/92G1UH Blower Data
Tables detailing airflow and wattage at various speeds and static pressures.
A95UH1D/95G1UH Blower Data
Tables detailing airflow and wattage at various speeds and static pressures.
Service and Maintenance
Routine Service Checks
Annual inspection items for blower, filters, pipes, and electrical connections.
Heat Exchanger and Burner Cleaning
Procedures for cleaning the heat exchanger and burner assembly.
Winterizing and Condensate Trap Care
Steps for preparing the unit for winter and maintaining the condensate trap.
Planned Service and Parts
Annual Service Checklist
Key items to check during an annual furnace inspection.
Repair Parts Identification
List of available replacement parts and ordering information.
Regulatory Requirements
Massachusetts Specific Codes
Modifications to NFPA-54 and specific requirements for MA installations.
Manufacturer Venting System Guidelines
Requirements for venting system design and components provided by the manufacturer.
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