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American Standard YSC072 User Manual

American Standard YSC072
52 pages
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Installation
Operation and
Maintenance
June 2008 RT-SVX21F-EN
Model Numbers:
YSC036A - YSC120A YHC036E - YHC060E
YHC033A - YHC120A YSC072 - YSC120E
YSC036E - YSC060E
Packaged Gas/Electric
3 - 10 Ton
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American Standard YSC072 Specifications

General IconGeneral
BrandAmerican Standard
ModelYSC072
CategoryAir Conditioner
LanguageEnglish

Summary

Preface and Warnings and Cautions

Hazard Identification

Identifies warnings and cautions throughout the manual for potential hazards.

Model Number Description

DIGIT 1 - UNIT TYPE

Defines the first digit of the model number indicating unit type.

DIGIT 4,5,6 - NOMINAL GROSS COOLING CAPACITY (MBH)

Details digits 4-6 for nominal cooling capacity in MBH.

Unit Dimensions

Unit Clearances

Illustrates minimum operating and service clearances for unit installation.

Installation

AWARNING Combustible Materials!

Warns about maintaining clearances from combustible materials near the unit.

General Unit Requirements

Checklist for successful commercial unit installation.

TCO-1 Instructions:

Instructions for replacing the TCO1 limit control for horizontal discharge.

Main Electrical Power Requirements

Warns about electrical hazards and capacitor discharge before servicing.

Through the Base Gas Installation

Instructions for installing the gas supply line through the base.

Pre-Start

AWARNING Hazardous Voltage w/ Capacitors!

Warns about electrical hazards and capacitor discharge before servicing.

Start-Up

Verifying Proper Air Flow (Units with Two Speed Direct Drive Indoor Fan)

How to verify proper airflow for units with two-speed direct drive fans.

Verifying Proper Air Flow (Units with Belt Drive Indoor Fan)

How to verify proper airflow for units with belt drive fans.

Return Air Smoke Detector

Explains the function and requirements for the return air smoke detector.

Maintenance

AWARNING Hazardous Chemicals!

Warns about safe handling of chemical cleaning agents.

Trouble Shooting

ReliaTel Control

Provides unit diagnostics and system status information for ReliaTel.

AWARNING Live Electrical Components!

Warns about hazards during troubleshooting of live electrical components.

Unit Economizer Control (ECA) Test Procedures

Series of tests to diagnose economizer actuator and sensor issues.

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