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American Standard S9V2B080D4VSAB User Manual

American Standard S9V2B080D4VSAB
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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.
May 2020
1188--CCEE0033DD11--11FF--EENN
Upflow/Horizontal and Dedicated Downflow
Gas-Fired, Direct/Non-Direct Vent, 2–Stage
Condensing Variable Speed Furnaces with Variable Speed
Draft Inducer
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S9V2B060U3VSAB
S9V2B080U4VSAB
S9V2C100U4VSAB
S9V2D120U5VSAB
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S9V2B080D4VSAB
S9V2C100D4VSAB
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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.
18-CE03D1-1F-EN
Installer’s Guide
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American Standard S9V2B080D4VSAB Specifications

General IconGeneral
Model NumberS9V2B080D4VSAB
BrandAmerican Standard
CategoryFurnace
TypeGas
Heating Capacity80, 000 BTU
StagesTwo-stage
Blower MotorVariable-speed
VentilationDirect vent
Warranty10 years limited warranty on parts

Summary

Accessories

Document Pack Contents S9V2–VS

Lists the contents of the S9V2-VS document pack, including quantity and description of each item.

Furnace Installation Guidelines

Safety Practices and Precautions

Crucial safety measures and precautions that must be followed during installation, servicing, and operation.

General Guidelines

Manufacturer's responsibility disclaimer and recommendations for installation compliance and site inspection.

Locations and Clearances

Specifies required clearances to combustible materials and placement considerations for furnace installation.

Outline Drawings

Upflow Furnace Cabinet Dimensions

Provides dimensional drawings for upflow furnace cabinets across different sizes (B, C, D).

Downflow Furnace Cabinet Dimensions

Provides dimensional drawings for downflow furnace cabinets across different sizes (B, C).

Furnace General Installation

S-Series Furnace Panel Removal

Instructions for removing the front panel of the S-Series furnace using a specific tool.

Horizontal Installation

Guidelines for installing the furnace in horizontal attic, crawlspace, or hanging positions.

Gas Piping

Details on connecting the gas supply, including important considerations for conversion and piping requirements.

Venting Requirements

General and specific requirements for furnace venting, including materials and configurations.

Combustion and Input Check

Procedure to check furnace gas flow rate (CFH) and compare it to the nameplate rating.

Gas Valve Adjustment

Step-by-step guide for adjusting manifold pressure for 1st and 2nd stage gas heat.

High Altitude Derate

Information on adjusting furnace input ratings based on installation altitude.

Duct Connections

Guidelines for connecting supply and return air ductwork to the furnace, including vibration reduction.

Return Air Filters

Upflow Return Air Filter Installations

Guidance on filter placement and sizing for typical upflow return air filter installations.

Downflow Return Air Filter Installations

Information on filter placement and sizing for typical downflow return air filter installations.

Electrical Connections

Field Wiring Diagrams

Wiring diagrams for connecting thermostats, outdoor units, and IFC for various furnace and cooling/HP configurations.

Communicating Controls Wiring

Wiring instructions for systems utilizing communicating controls with non-communicating furnaces.

Condensate Drain Instructions

Vertical Applications

Instructions for installing condensate drains for upflow furnaces in vertical positions.

Horizontal Applications

Guidelines and recommendations for installing condensate drains for furnaces in horizontal positions.

General Start-up and Adjustment

Preliminary Inspections

Key checks and inspections required before initiating furnace start-up.

Lighting Instructions

Detailed steps for the initial lighting and burner ignition sequence of the furnace.

Control and Safety Switch Adjustment

Procedures for adjusting and verifying the operation of safety controls like limit switches.

Furnace Combustion Air Exhaust Options

Upflow and Horizontal Venting Options

Approved venting configurations for upflow and horizontal left furnace orientations.

Horizontal Right and Downflow Venting Options

Approved venting configurations for horizontal right and downflow furnace orientations.

Upflow Furnace Configuration Changes

Instructions for modifying the furnace for different upflow venting configurations.

Downflow Furnace Configuration Changes

Instructions for modifying the furnace for different downflow venting configurations.

Condensate Trap Installation

Procedure for installing the condensate trap assembly and ensuring proper drain operation.

Integrated Furnace Control Menu

Control System Menu

Overview of the IFC menu structure for system configuration and settings.

Examples of System Status

Explanation of the system status codes displayed on the IFC, including airflow and mode indicators.

Run Test Mode

Procedure for entering and using the furnace's run test mode.

Integrated Furnace Control Display Codes

2 Stage Inducer with ECM Blower Motor Codes

List and descriptions of display codes for the integrated furnace control.

Fault Code Recovery

Procedures for viewing, clearing fault codes, and resetting factory defaults on the IFC.

Sequence of Operation

1st Stage Gas Heating

Detailed operational sequence for the furnace during 1st stage gas heating.

2nd Stage Gas Heating

Detailed operational sequence for the furnace during 2nd stage gas heating.

Single Stage Cooling

Operational sequence for the furnace during single-stage cooling mode.

Two Stage Cooling

Operational sequence for the furnace during two-stage cooling mode.

Variable Speed Inducer Learning Routine

Explanation of the inducer's self-learning routine to optimize operating speed for each heat stage.

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