American Standard L8V1B080U4VSAA 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.
March 2022
1188--CCEE1155DD11--11CC--EENN
Upflow/Horizontal Left/Right
Gas-Fired, Single Stage Induced Draft Furnace with Variable
Speed Blower Motor
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(For use with Natural Gas only.)
Single Stage
L8V1A040U3VSAA
L8V1A060U3VSAA
L8V1B080U4VSAA
L8V1C100U5VSAA
NNoottee:: This product complies with SJVAPCD 4905 and SCAQDMD 1111 with
NOx levels below 14 ng/J.
NNoottee:: Graphics in this document are for
representation only. Actual model may
differ in appearance.
18-CE15D1-1C-EN
Installer’s Guide

American Standard L8V1B080U4VSAA Specifications

General

Brand	American Standard
Model	L8V1B080U4VSAA
Category	Furnace
Language	English

Summary

Installer's Guide - Safety Warning

General Safety Warning

General safety warning for furnace installation and servicing.

Safety Section - Hazard Categories

Fire, Explosion, and Electrical Hazards

Covers risks of fire, explosion, electrical shock, and improper servicing.

Carbon Monoxide and Venting Safety

Details risks of carbon monoxide poisoning and proper venting.

Furnace Installation Guidelines

Safety Practices and Precautions

Locations and Clearances

Furnace General Installation

Gas Piping

Combustion and Input Check

Gas Valve Adjustment

General Venting

Air for Combustion and Ventilation

Confined Space Air Requirements

Duct Connections

Return Duct Connections

Electrical Connections

Field Wiring Diagram

General Start-up and Adjustment

Control and Safety Switch Adjustment

Furnace Combustion Air Exhaust Options

Inducer Venting Conversion Instructions

Integrated Furnace Control Menu

Integrated Furnace Control Display Codes

Setting Airflow

Sequence of Operation

Gas Heating Sequence

Step-by-step operation of the furnace during gas heating.

Single Stage Cooling Sequence

Operation sequence for single stage cooling.

Two Stage Cooling Sequence

Single Stage Heat Pump Sequence

Operation sequence for single stage heat pump.