Ingersoll-Rand YSC033G User Manual

SAFETY WARNING
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.
Installation, Operation,
and Maintenance
Packaged Rooftop Air Conditioners
Precedent™ — Cooling and Gas/Electric
3to10Tons–60Hz
Model Numbers
YSC033G - YSC063G YHC037E - YHC067E
YSC036 - YSC060G YHC036E - YHC072E
YSC072F - YSC120F YHC120F
YHC048F - YHC060F YHC072F - YHC102F
RT-SVX21U-EN
May 2016

Ingersoll-Rand YSC033G Specifications

General

Brand	Ingersoll-Rand
Model	YSC033G
Category	Air Conditioner
Language	English

Summary

Introduction

Warnings, Cautions, and Notices

Safety advisories are defined as Warning, Caution, and Notice, with their meanings.

General Information

Unit Inspection, Storage, and Nameplates

Procedures for inspecting, storing, and identifying unit components.

System Input Devices and Functions

Explanation of system input devices like fan failure switches.

Compressor and Pressure Controls

Details on compressor disable, low/high pressure controls.

Specialized Unit Functions

Information on DLTS, smoke detectors, phase monitors, VAV, and human interface.

Installation

Pre-Installation & Safety Precautions

Preparatory steps, safety for fiberglass and lifting.

Rigging and Unit Weight Information

Data and illustrations for rigging and center of gravity.

Foundation & Roof Support Requirements

Requirements for unit foundations and roof anchoring.

Ductwork Configurations

Illustrates supply and return air openings for various units.

Roof Curb Installation & Safety

Instructions for roof curb installation, including safety warnings.

Rigging Procedures & General Requirements

Procedures for rigging and general installation checklist.

Initial Unit Setup Steps & Gas Heat TCO1

Horizontal Discharge Conversion (3-5 Ton) & TCO1 Instructions

Horizontal Discharge Conversion (6-10 Ton) & Safety

TCO1 Instructions & Smoke Detector Notes

Wireless Communication Interface & Electrical Safety

Field Wiring, Grounding & Gas Heat Requirements

Safety, wiring, grounding, and gas heat requirements.

Condensate Drain & Filter Installation

Field & Main Unit Power Wiring

Safety and procedures for power wiring.

Control Wiring, Transformers & 24 VAC Controls

Safety, procedures for control wiring, transformers, and 24 VAC controls.

Pre-Start

Electrical Safety Warnings & Voltage Checks

Warnings and procedures for electrical safety and voltage checks.

Voltage Imbalance and Electrical Phasing

Unit Test Modes and ReliaTel™ Controls

Electromechanical Controls Test Procedures

Unit Start-Up

Verifying Proper Air Flow & Electrical Safety

Procedures for verifying airflow and electrical safety.

Direct Drive Indoor Fan Airflow Verification

Constant CFM Direct Drive Fan Airflow Adjustment

Variable Air Volume (VAV) Applications & Temperature Controls

Supply Air Temperature Reset & Smoke Detectors

Economizer Start-Up Procedures & Safety

Economizer start-up steps and safety precautions.

Compressor, Dehumidification & Gas Heat Start-Up

Final System Setup Checks

Final Unit Inspection and Power-Up

Maintenance

General Maintenance Safety & Fan Belt Adjustment

Safety precautions and procedures for fan belt adjustment.

Seasonal & Monthly Maintenance Checks

Coil Cleaning Procedures & Safety

Detailed procedures and safety warnings for cleaning coils.

Troubleshooting

General Troubleshooting Safety & ReliaTel™ System Status

Safety precautions and checking ReliaTel™ system status.

System Status Checkout Procedure & LED Indicators

Method 2 Voltage Checks for System Failures

Resetting Lockouts & ZTS Service Indicator

Zone Temperature Sensor (ZTS) Tests

LED Indicator Testing & RH Sensor Test

Economizer Control (ECA) Troubleshooting & Safety

Diagnosing economizer control issues and safety.

Heating & Cooling Failure Troubleshooting

Economizer Control (ECA) Test Procedures

Direct Drive Plenum Fan Troubleshooting

Unit Wiring Diagrams Numbers