American Standard AUXIB040A9241A User Manual

IIIIII IIIIIIIIIIIIII IIII IIII
18- CD19D6- 27
*DX-IN-IO
Upflow / Horizontal and Downflow / Horizontal
Gas-Fired, Direct Vent Condensing Furnaces
*UXIB040A9241A *UXIC100A9481A
*UXIB060A9361A *UXID100A9601A
*UXIB080A9421A *UXID120A9601A
*UXIC080A9601A
*__First letter may be "A" or "T"
ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES
*DXIB040A9241A
*DXIB060A9361A
*DXIB080A9421A
*DXIC100A9481A
*DXID120A9601A
IMPORTANT -- This Document is customer property and is to remain with this unit.
Please return to service information pack upon completion of work.
*UX-1 *DX-1
A/R
FLOW
UPFLOW
DOWNFLOW
AIR
FLOW
AIR
FLOW
/
UPFLOW/HORIZONTAL
\
DOWN FLOW/HORIZONTAL FLOW
o
A341624P06

American Standard AUXIB040A9241A Specifications

General

Brand	American Standard
Model	AUXIB040A9241A
Category	Furnace
Language	English

Summary

Safety Warnings and Hazards

Carbon Monoxide Poisoning Hazard

Details the risks and steps to prevent carbon monoxide poisoning.

Fire or Explosion Hazard

Warns about potential fire or explosion risks due to improper handling or installation.

General Installation Guidelines

Location and Clearances

Specifies requirements for furnace placement and clearances to surrounding materials.

Furnace Installation Configurations

Upflow Installation

Details the process and requirements for installing the furnace in an upflow configuration.

Downflow Installations

Covers specific subbase requirements for downflow installations on combustible flooring.

Horizontal Installation

Outlines support requirements and auxiliary drain pan recommendations for horizontal installations.

Combustion and Ventilation Air

General Venting Requirements

Venting Length Tables

Upflow/Horizontal Venting Table

Downflow/Horizontal Venting Table

Direct Vent Terminal Clearances

Clearance Requirements (US vs. Canadian)

Non-Direct Vent Terminal Clearances

Horizontal Venting

Horizontal Venting Through Wall

Vertical Venting Methods

Downward Venting

Venting Through the Roof

Venting Through Masonry Chimney

Condensate Drain Instructions

Horizontal Installation Condensate

Condensate Drain Setup

Upflow Furnace Condensate Drain

Downflow Furnace Condensate Drain

Field Wiring Diagrams

1 Stage Heating Thermostat (No Cooling)

1 Stage Heating/1 Stage Cooling Thermostat

Electrical Connections and Twinning

Twinning Connection Diagram (Heating Only)

Twinning Connection Diagram (Heat/Cool)

Gas Piping and Twinning Furnaces

Twinning Furnaces Requirements

Gas Piping Installation

Gas Input Checks and Adjustments

Horizontal Furnace Gas Piping

Combustion and Input Check

Steps to check and verify the furnace's combustion and gas input rate.

Manifold Pressure and Gas Flow

Checking Direct Vent Manifold Pressure

Illustrates the correct method for checking manifold pressure with the burner box.

Final Manifold Pressure Settings

Specifies the final manifold pressure settings for natural gas and LP gas.

Start Up and Adjustment Procedures

Altitude Adjustments for Input Rate

Explains how to adjust furnace input rate for installations above sea level.

Preliminary Inspections

Lighting Instructions

Provides essential safety warnings and instructions for lighting the furnace.

Furnace Operation and Controls

Sequence of Operation

Describes the step-by-step process from thermostat call to furnace shutdown.

Control and Safety Switch Adjustments

Explains how to check and adjust limit switches and other safety controls.

Airflow Adjustment

Troubleshooting and Safety Precautions

Abnormal Conditions

Lists common abnormal operating conditions and their causes.

Carbon Monoxide and Fiberglass Warning

Warns about carbon monoxide risks and fiberglass wool insulation hazards.

Error Codes and Manufacturer Information

Integrated Furnace Control Error Flash Codes

Lists error codes indicated by flashing lights on the furnace control.