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Ingersoll-Rand YSC036 User Manual

Ingersoll-Rand YSC036
74 pages
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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

Table of Contents

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Ingersoll-Rand YSC036 Specifications

General IconGeneral
Voltage208/230V
Refrigerant TypeR-410A
Weight (Outdoor Unit)220 lbs
Tonnage3 Ton
BTU36000 BTU
Phase1 Phase

Summary

Introduction

Warnings, Cautions, and Notices

Defines and explains the three types of advisories: WARNING, CAUTION, and NOTICE.

Proper Field Wiring and Grounding

Highlights hazards and requirements for field wiring and grounding, emphasizing qualified personnel.

Personal Protective Equipment (PPE)

Details the necessity and types of PPE required for safe operation and maintenance.

Model Number Descriptions (3-10 Tons T/Y)

Model Number Descriptions (3-5 Tons T/Y - 17 Plus)

General Information

Specific Input Devices

Covers Fan Failure, Clogged Filter, and Condensate Overflow switches.

Compressor Protection Controls

Covers Compressor Disable, Low Pressure, and High Pressure controls.

Evaporator Frost Control

Details the Frostat™ control for preventing evaporator coil freeze-up.

Discharge Line Temp Switch (DLTS)

Explains the DLTS function to prevent compressor overheating.

Smoke Detector Sensor (Optional)

Describes the smoke detector's function for safety shutdown.

Phase Monitor

Explains the phase monitor's function for voltage imbalance and phase sequence.

Installation

Pre-Installation Safety

Covers fiberglass wool, heavy object, and improper unit lift safety precautions.

Foundation Requirements

Details foundation requirements for ground and rooftop installations.

Risk of Roof Collapsing Warning

Warns about ensuring proper roof support for unit and curb weight.

Ductwork Installation Guidelines

Provides guidance on supply and return air openings and ductwork installation.

Roof Curb Installation

Provides instructions for installing roof curbs, including alignment and sealing.

Combustible Materials Warning

Warns about maintaining clearances between the unit and combustible materials.

Rigging Procedures

Details safe rigging procedures, including fork pocket usage and lifting points.

Horizontal Discharge Conversion (3-5 Ton)

Provides conversion steps for horizontal discharge on 3-5 ton units.

TCO1 Limit Control Replacement

Instructions for replacing the TCO1 limit control.

Horizontal Discharge Conversion (6-10 Ton)

Provides conversion steps for horizontal discharge on 6-10 ton units.

Main Electrical Power Requirements

Highlights hazardous voltage warnings related to power requirements and capacitors.

Field Wiring and Grounding Warning

Warns about hazards and requirements for field wiring and grounding.

Gas Heat Requirements

Details requirements for gas heat, including pressure and piping.

Condensate Drain Configuration

Explains how to convert condensate drainage to front or through-the-base.

Field Installed Power Wiring

Provides guidelines for field-installed power wiring.

Main Unit Power Connection

Covers main unit power connection and grounding requirements.

Space Temperature Averaging (ReliaTel™)

Explains how to accomplish space temperature averaging using remote sensors.

Pre-Start Procedures

Hazardous Voltage and Capacitor Warning

Warns about hazardous voltage and capacitor discharge before servicing.

Rotating Components Safety Warning

Warns about the dangers of rotating components during operation and servicing.

Voltage Imbalance Check

Explains how to measure and calculate voltage imbalance between phases.

Electrical Phasing (Three Phase Motors)

Details how to check and correct electrical phasing for three-phase motors.

ReliaTel™ Control Initialization

Describes the RTRM's self-diagnostic checks and initialization process.

Service Test Guide for Component Operation

Provides a guide for testing component operation using various test modes.

ReliaTel™ Control Operation Checks

Explains how to check ReliaTel™ controls and their self-diagnostics.

Electromechanical Controls Test Procedure

Provides steps for testing electromechanical controls via thermostat wiring.

Unit Start-Up

Verifying Proper Air Flow

Explains how to verify and adjust proper airflow for system performance.

Supply Duct Static Pressure Control

Explains the supply duct static pressure measurement and control.

Return Air Smoke Detector Function

Describes the function and operational requirements of the return air smoke detector.

Economizer Start-Up

Details the start-up procedure for the economizer.

Compressor Start-Up Procedures

Details the steps for starting compressors, including pressure checks and superheat.

Gas Heat Units Start-Up

Provides start-up procedures for gas heat units, including safety measures.

Final System Setup Checks

Final checks after start-up, including programming and system settings.

Maintenance Procedures

Fan Belt Adjustment (Belt Drive Units)

Details the procedure for adjusting fan belt tension.

Coil Cleaning Procedures

Details procedures for cleaning evaporator and condenser coils.

Microchannel Coil Cleaning

Explains cleaning methods for microchannel coils, warning against detergents.

Microchannel Coil Damage Warning

Warns about potential damage to microchannel coils during cleaning.

Round Tube Plate Fin Coil Cleaning

Details cleaning procedures for RTPF coils.

Hazardous Chemicals Warning

Warns about hazards of coil cleaning agents and required PPE.

Hazardous Pressures Warning

Warns about risks of coil bursting due to cleaning solution temperature.

Troubleshooting

Hazardous Service Procedures Warning

Warns technicians about potential hazards during troubleshooting.

ReliaTel™ Control Troubleshooting

Guides on checking ReliaTel™ controls and system status.

Live Electrical Components Warning

Warns about hazards when working with live electrical components.

System Status Checkout Procedure

Details methods for checking system status via Zone Sensor LEDs or voltage readings.

System Failure Diagnosis

Explains how to diagnose system failures by checking voltage.

Service Failure Diagnosis

Lists causes for service failure indications like fan or filter issues.

System Failure Voltage Check

Details voltage checks for system failure diagnosis.

Heat Failure Voltage Check

Details voltage checks for heat failure diagnosis.

Cool Failure Voltage Check

Details voltage checks for cool failure diagnosis.

Service Failure Voltage Check

Details voltage checks for service failure diagnosis.

Resetting Cooling and Ignition Lockouts

Provides methods to reset cooling and ignition lockouts.

Zone Temperature Sensor (ZTS) Tests

Details tests for zone temperature sensor components.

LED Indicator Test (SYS, HEAT, COOL, SERVICE)

Details methods for testing unit LEDs using a meter or ohmmeter.

Relative Humidity Sensor Test

Explains how to test the relative humidity sensor's DC mA output.

Programmable & Digital Zone Sensor Test

Details tests for programmable and digital zone sensors.

Economizer Control (ECA) Troubleshooting

Guides on diagnosing and troubleshooting the Economizer Control Actuator (ECA).

ReliaTel™ ECA Troubleshooting

Details troubleshooting steps for ReliaTel™ ECA.

Heating Failure Diagnosis

Guides on diagnosing heating failures using the IGN LED indicator.

Cooling Failure Diagnosis

Guides on diagnosing cooling failures based on thermostat or control circuit issues.

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