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Ingersoll-Rand A951X040BU3SAA User Manual

Ingersoll-Rand A951X040BU3SAA
104 pages
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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.
August 2019
8888--AA995511XX000011--11BB--EENN
Upflow/Horizontal and Downflow
Gas-Fired, Direct/Non-Direct Vent, Single Stage
Condensing Furnaces with High Efficiency Motor
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A951X060BD3SAA
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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.
Installer’s Guide

Table of Contents

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Ingersoll-Rand A951X040BU3SAA Specifications

General IconGeneral
BrandIngersoll-Rand
ModelA951X040BU3SAA
CategoryFurnace
LanguageEnglish

Summary

Furnace Installation Guidelines

Safety Practices and Precautions

Follow essential safety practices and precautions during installation, servicing, and operation.

Locations and Clearances

Details minimum clearances to combustible materials for safe furnace placement and access.

Outline Drawings

Presents dimensional drawings for B, C, and D size furnace cabinets for installation planning.

Furnace General Installation

Gas Piping

Guides on connecting the gas supply, including valve placement and leak testing.

Combustion and Input Check

Procedure to verify furnace gas flow rate and compare it to the nameplate rating.

General Venting

Instructions for venting furnace exhaust gases outdoors, emphasizing proper sealing and materials.

Air for Combustion and Ventilation

Requirements for ensuring adequate airflow for combustion and ventilation for furnace operation.

Duct Connections

Upflow Furnace with Coil

Instructions for connecting supply ducts to an upflow furnace when a coil is installed.

Downflow Furnace with Coil

Instructions for connecting supply ducts to a downflow furnace when a coil is installed.

Upflow Furnace with Bottom Return in Closet with Remote Filter

Steps for connecting return ducting to an upflow furnace with a bottom return and external filter.

Downflow Furnace with Top Return

Instructions for connecting return ducting to a downflow furnace with a top return.

Return Air Filters

TYPICAL UPFLOW RETURN AIR FILTER INSTALLATIONS

Notes on filter sizing and external installation for upflow furnaces based on CFM.

Preparation for Upflow Bottom and Side Return Air Filter Installations

Steps to prepare the furnace and ductwork for return air filter installation in upflow configurations.

Electrical Connections

Field Wiring

Diagram showing thermostat and furnace wiring connections for single-stage heating.

Twinning

Diagrams illustrating wiring connections for two furnaces operating in a twinning setup.

Condensate Drain Instructions

Vertical Applications

Instructions for routing condensate drains from upflow furnaces in vertical orientations.

Horizontal Applications

Guidelines for condensate drain management for furnaces installed in horizontal positions.

General Start-up and Adjustment

Preliminary Inspections

Checklist for verifying duct connections, filters, venting, and panel installation.

Lighting Instructions

Step-by-step guide for safely lighting the furnace and checking its operation.

Furnace Combustion Air Exhaust Options

Upflow Position - Top Vented Combustion Air

Instructions for venting combustion air through the top of the furnace in upflow orientation.

Upflow Position - Left Side Vented Combustion Air

Steps to modify the furnace for venting combustion air through the side in upflow orientation.

Downflow Furnace - Top Vented Combustion Air

Instructions for venting combustion air through the top of the furnace in downflow orientation.

Downflow Furnace - Left Side Vented Combustion Air

Steps to modify the furnace for venting combustion air through the side in downflow orientation.

Integrated Furnace Control Menu

SELECTING GAS HEAT FAN SPEEDS

Procedure to adjust fan speed for optimal gas heating performance based on temperature rise.

System Status Menu

Explanation of various system status codes displayed on the IFC, indicating furnace operation.

Integrated Furnace Control Display Codes

Error Codes

Lists and explains various error codes that may appear on the IFC, indicating specific faults.

Fault Code Recovery

Instructions on how to view, clear, and reset fault codes on the Integrated Furnace Control.

Sequence of Operation

Gas Heating

Step-by-step explanation of the furnace's operation during a gas heating cycle.

Cooling / Heat Pump

Step-by-step explanation of the furnace's operation during cooling or heat pump modes.

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