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Ingersoll-Rand A951X080BU4SAB User Manual

Ingersoll-Rand A951X080BU4SAB
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SSAAFFEETTYY WWAARRNNIINNGG
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning
equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person
could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that
are attached to the equipment.
May 2020
8888--AA995511XX000011--11DD--EENN
Upflow/Horizontal and Dedicated Downflow
Gas-Fired, Direct/Non-Direct Vent, Single Stage Condensing
Furnaces with High Efficiency Motor
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A951X060BU4SAB
A951X080BU4SAB
A951X080CU5SAB
A951X100CU5SAB
A951X120DU5SAB
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A951X040BD3SAB
A951X060BD3SAB
A951X080BD4SAB
A951X100CD5SAB
A951X120DD5SAB
NNoottee:: Graphics in this document are for representation
only. Actual model may differ in appearance.
CAUTION
!
COIL REQUIREMENT!
Failure to follow this Caution could result in property damage or personal injury. 4GXC* and
4MXC* coils installed on upflow furnaces in vertical, horizontal left, or horizontal right
orientations without a factory installed metal drain pan shield must use a MAY*FERCOLKITAA
kit. Coils installed on upflow furnaces must have drain pans that are suitable for 400° F
(205°C) or have a metal drain pan shield. Downflow furnaces do not require a metal drain pan
shield or the use of the MAY*FERCOLKITAA kit. See Installer’s Guide for more information.
88-A951X001-1D-EN
Installer’s Guide
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Ingersoll-Rand A951X080BU4SAB Specifications

General IconGeneral
Model NumberA951X080BU4SAB
CategoryFurnace
Input BTU80, 000
Phase1
Ignition TypeHot Surface Ignition
BrandIngersoll Rand
AFUE Rating80%
Blower SpeedVariable

Summary

Safety Section - Furnaces

Fire, Explosion, Electrical, and CO Hazards

Covers general hazards like fire, explosion, shock, and CO poisoning.

Specific Safety Hazards and Precautions

Propane Gas, Electrical, and CO Safety

Details on propane explosion, electrical shock, and CO poisoning hazards.

Additional Safety Hazards

Flammable Vapors, Gas Connectors, and High Voltage

Hazards related to flammable vapors, gas connectors, and high voltage parts.

Overheating and Explosion Shutdown

Procedure for shutting off gas supply during overheating.

Furnace Installation Guidelines

Safety Practices and General Guidelines

Essential safety practices, precautions, and general installation guidelines.

Furnace Installation: Locations and Clearances

Location and Clearance Requirements

Requirements for furnace location, clearances, and site preparation.

Furnace General Installation

Furnace General Installation: Gas Piping

Upflow and Downflow Gas Piping Connections

Diagrams and notes for gas piping connections on upflow and downflow furnaces.

Furnace General Installation: Horizontal Gas Piping

Horizontal Left and Right Gas Piping Connections

Diagrams for horizontal gas piping connections on left and right orientations.

Furnace General Installation: Combustion and Input Check

Gas Flow Table and Input Check Procedure

Procedure for checking combustion and input rate using gas flow tables.

Furnace General Installation: Gas Valve Adjustment

Manifold Pressure Adjustment Procedure

Step-by-step instructions for adjusting gas valve manifold pressure.

Furnace General Installation: General Venting

Venting System Guidelines and Materials

Instructions for positive-pressure venting systems and material requirements.

Furnace General Installation: Special Case Venting

Preventing Condensation in Intake Piping

Options to prevent condensation in combustion air intake piping.

Furnace General Installation: Vent Terminations and Piping

Direct and Nondirect Vent Applications

Guidelines for direct and nondirect vent termination and applications.

Furnace General Installation: Downward Venting and Air Supply

Air for Combustion and Ventilation Requirements

Requirements for adequate airflow for combustion, ventilation, and dilution.

Duct Connections

General Duct Connection Guidelines

Standards for air duct systems, flexible connections, and noise reduction.

Return Duct Connections

Return Ducting General Guidelines

General guidelines for return duct connections on S-Series furnaces.

Return Air Filters

Upflow Return Air Filter Installations

Typical upflow return air filter installation guidelines and filter sizes.

Electrical Connections

Field Wiring Diagram for A951X

Wiring diagram for single stage heating thermostat, AC, or heat pump.

Condensate Drain Instructions

Condensate Drain Installation for Freeze Prevention

Provisions to prevent winter freeze-up of condensate drain lines.

General Start-up and Adjustment

Control and Safety Switch Adjustment

Procedures for adjusting and checking control and safety switches.

Furnace Combustion Air Exhaust Options

Upflow and Horizontal Left Venting Options

Approved venting options for upflow and horizontal left furnace models.

Furnace Combustion Air Exhaust Options (Continued)

Horizontal Right Venting Options

Approved venting options for horizontal right furnace models.

Downflow Venting Options

Approved venting options for downflow furnace models.

Upflow Position - Top Vented Combustion Air

Upflow Position - Left Side Vented Combustion Air

Upflow Position - Left Side Vented Combustion Air (Continued)

Horizontal Left Position - Top Vented Combustion Air

Horizontal Left Position - Top Vented Combustion Air (Continued)

Furnace in Horizontal Left Position - Side Vented Combustion Air

Furnace in Horizontal Left Position - Side Vented Combustion Air (Continued)

Furnace in Horizontal Right Position - Top Vented Combustion Air

Furnace in Horizontal Right Position - Top Vented Combustion Air (Continued)

Furnace in Horizontal Right Position - Left Vented Combustion Air

Furnace in Horizontal Right Position - Left Vented Combustion Air (Continued)

Downflow Furnace - Top Vented Combustion Air

Downflow Furnace - Top Vented Combustion Air (Continued)

Downflow Furnace - Left Side Vented Combustion Air

Downflow Furnace - Left Side Vented Combustion Air (Continued)

Integrated Furnace Control Menu

A951X Control System Menu Single Stage OD

Overview of the Integrated Furnace Control menu for single stage operation.

Integrated Furnace Control Menu (Continued)

A951X System Status Menu

Explanation of system status codes displayed on the IFC.

Setting Airflow

Furnace Airflow vs. External Static Pressure

Table showing CFM and Watts at different static pressures and tap settings.

Integrated Furnace Control Display Codes

Menu Options and Alarm Explanations

List of IFC menu options and corresponding alarm error codes.

Fault Code Recovery and Reset

Sequence of Operation

Gas Heating Sequence

Detailed operational sequence for gas heating mode.

Cooling / Heat Pump Sequence

Detailed operational sequence for cooling and heat pump modes.

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