A95UH, A93UH, 95G1UH & 92G1UH
TABLE OF CONTENTS
INSTALLATION INSTRUCTIONS
Warm Air Gas Furnace
FRONT VIEW
SIDE VIEW
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EXPANDED VIEW
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506501-01
A95UH, A93UH, 95G1UH &92G1UH Gas Furnace
Safety Information
DANGER
Figure Shipping and Packing List
Heating Unit Installed Upstream of Cooling Unit
Installed Locations
Installed in Combination with a Cooling Coil
Use of Furnace as a Construction Heater
Allied Air Enterprises, Inc
General
Product Contains Fiberglass Wool
215 Metropolitan Drive West Columbia, SC
Air from Inside
Unconfined Space
Confined Space
Equipment in Confined Space - All Air From Inside
Air from Outside
Inlet Air through Ventilated Attic
Shipping Bolt Removal
INSTALLATION
SETTING EQUIPMENT
Upflow Applications
Side Return Air with transition and filter Figure
Installation Clearances
Return Air Guidlines
Top/Plenum
Removing the Bottom Panel
Optional Return Air Base Upflow Applications Only
Removing the Bottom Panel Figure
Horizontal Applications
Platform Installation of Horizontal Unit
Horizontal Application Installation Clearances
Figure Suspended Installation of Horizontal Unit
Typical Horizontal Application Figure
Filters
Pipe & Fittings Specifications
Figure Return Air --Horizontal Applications
Duct System
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PIPING AND FITTINGS SPECIFICATIONS Table
Canadian Applications Only
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DANGER
Joint Cementing Procedure
OUTDOOR TERMINATION KITS USAGE Table
DANGER OF EXPLOSION
Figure Exhaust Piping Figures 22 and
Venting Practices Piping Suspension Guidelines
Wall Thickness Guidelines Figure
MINIMUM VENT PIPE LENGTHS
Vent Piping Guidelines
EXHAUST PIPE Horizontal Application
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Maximum Allowable Vent Length Table
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RIGHT HAND DISCHARGE SHOWN
IN UPFLOW DIRECT OR NON-DIRECTVENT APPLICATIONS
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Intake Piping Figures 24 through
TYPICAL AIR INTAKEPIPE CONNECTIONS IN UPFLOW
DIRECT VENT APPLICATIONS Figure
HORIZONTAL NON-DIRECTVENT APPLICATIONS
TYPICAL AIR INTAKE PIPE CONNECTIONS
TYPICAL AIR INTAKE PIPE CONNECTIONS
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For Canadian Installations Only
General Guidelines for Vent Terminations
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VENT TERMINATION CLEARANCES
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VENT TERMINATION CLEARANCES
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FIELD SUPPLIED WALL TERMINATION
EXHAUST PIPE TERMINATION SIZE REDUCTION Table
DIRECT VENT ROOF TERMINATION KIT 15F75 OR 44J41
DIRECT VENT CONCENTRIC ROOFTOP TERMINATION
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FIELD SUPPLIED WALL TERMINATION
71M80, 69M29 or 60L46 US 41W92 or 41W93 Canada
71M80, 69M29 OR 60L46 US 41W92 or 41W93 Canada
DIRECT VENT APPLICATION USING EXISTING CHIMNEY
DIRECT VENT CONCENTRIC WALL TERMINATION
15F75 or 44J41 Figure
USING EXISTING CHIMNEY
NON-DIRECTVENT ROOF TERMINATION KIT
NON-DIRECTVENT FIELD SUPPLIED WALL TERMINATION
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CONDENSATE TRAP AND PLUG LOCATIONS
Unit shown in upflow position
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Unit shown in upflow position with remote trap
CONDENSATE ASSEMBLY Figure
CONDENSATE TRAP LOCATIONS
UNIT WITH EVAPORATOR COIL Figure
FIRE OR EXPLOSION HAZARD
Gas Piping
Leak Check
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Possible Gas Piping Configurations Figure
Figure Horizontal Applications
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CARBON MONOXIDE POISONING HAZARD
GAS PIPE CAPACITY - FT³/HR kL/HR
Removal of the Furnace from Common Vent
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Accessory Terminals
Precautions and Procedures
INTERIOR MAKE-UPBOX INSTALLATION Figure
Electrical ELECTROSTATIC DISCHARGE ESD
Indoor Blower Speeds
TYPICAL FIELD WIRING DIAGRAM
FURNACE & CONDENSING UNIT THERMOSTAT DESIGNATIONS
Generator Use - Voltage Requirements
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TYPICAL WIRING DIAGRAM Figure
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Automatic Hot Surface Ignition System Figure
FOR YOUR SAFETY READ BEFORE OPERATING
INTEGRATED CONTROL
Unit Start-Up
GAS VALVE SHOWN IN ON POSITION Figure
Priming Condensate Trap
Gas Valve Operation Figure
Turning Off Gas to Unit
Supply Pressure Measurement
Gas Pressure Adjustment
Gas Flow Approximate
Manifold Pressure Measurement
CARBON MONOXIDE POISONING HAZARD
1.Seal any unused openings in the venting system
Pressure Switch
Other Unit Adjustments Primary Limit
Flame Rollout Switches Two
Temperature Rise
ELECTRICAL SHOCK, FIRE OR EXPLOSION HAZARD
Service
Cleaning Heat Exchanger
Blower
Cleaning the Burner Assembly
PLANNED SERVICE
FAILURE CODES
Heating Parts
REPAIR PARTS LIST
Cabinet Parts
Control Panel Parts
Start-Up& Performance Check List
UNIT SET UP
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Heating Mode
Cooling Mode
UNIT OPERATION
24 CMR 5.082a 1 through
Modifications to NFPA-54,Chapter
BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS.”
MANUFACTURER REQUIREMENTS