American Standard S9V2C100U4VSAB User Manual

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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
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Upflow/Horizontal and Dedicated Downflow
Gas-Fired, Direct/Non-Direct Vent, 2–Stage
Condensing Variable Speed Furnaces with Variable Speed
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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

American Standard S9V2C100U4VSAB Specifications

General

Model	S9V2C100U4VSAB
Brand	American Standard
Category	Furnace
Efficiency	Up to 96% AFUE
Heating Capacity	100, 000 BTU
Blower Motor	Variable-Speed
Ventilation	Direct Vent
Configuration	Upflow/Horizontal
Type	Gas
Warranty	10-year parts limited warranty
Stages	Two-Stage

Summary

Safety Section - Furnaces

General Safety Warnings

Essential safety warnings covering fire, explosion, electrical shock, and carbon monoxide hazards.

Furnace Installation Guidelines

Safety Practices and Precautions

Outlines critical safety practices and precautions for furnace installation and servicing.

Locations and Clearances

Details required clearances and suitable locations for furnace installation.

Furnace General Installation

Gas and Combustion System Setup

Details gas piping, combustion checks, gas valve adjustment, and high altitude derate.

Venting and Airflow Requirements

Covers general venting, special cases, terminations, and air for combustion.

Electrical Connections

Field Wiring Diagrams

Diagrams and instructions for field wiring the furnace.

Condensate Drain Instructions

Vertical Condensate Drain Setup

Horizontal Condensate Drain Setup

General Start-up and Adjustment

Preliminary Inspection Checklist

Checks to perform before starting up the furnace.

Control and Safety Switch Adjustments

Integrated Furnace Control (IFC) Operation

IFC Menu Navigation and System Status

Sequence of Operation

Gas Heating Operation Sequences

Detailed sequence of operation for 1st and 2nd stage gas heating.

Cooling Operation Sequences