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Trane YSC036E User Manual

Trane YSC036E
72 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.
Packaged Rooftop Air Conditioners
Precedent™ Gas/Electric
3to10Tons–60Hz
Installation, Operation,
and Maintenance
Model Numbers
YSC037E - YSC067E YHC037E - YHC067E
YSC036E - YSC060E YHC036E - YHC072E
YSC072F - YSC120F YHC120E
YHC048F - YHC060F YHC072F - YHC102F
RT-SVX21P-EN
July 2014

Table of Contents

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Trane YSC036E Specifications

General IconGeneral
BrandTrane
ModelYSC036E
CategoryAir Conditioner
LanguageEnglish

Summary

Packaged Rooftop Air Conditioners

Model Numbers

Lists available unit model numbers for identification.

Introduction

Warnings, Cautions, and Notices

Defines safety advisories used throughout the manual.

Important Environmental Concerns

Discusses chemicals affecting the ozone layer.

Important Responsible Refrigerant Practices

Outlines best practices for handling refrigerants.

Copyright

Trademarks

Revision History

Model Number Description

Model Number Notes

Provides specific clarifications and exceptions for model number digits.

General Information

Unit Inspection

Details procedures for inspecting the unit upon arrival for damage.

Unit Description

Explains the unit's features, testing, and control systems.

Economizer Control Actuator (Optional)

Describes the function and operation of the economizer control actuator.

General Information

System Input Devices & Functions

Explains various sensors and inputs used with the control system.

Clogged Filter Switch (Optional)

Explains the operation of the clogged filter switch.

General Information

Compressor Disable (CPR1/2)

Explains the low-pressure control input for compressor disable.

Low Pressure Control (ReliaTel™ Control)

Describes ReliaTel™ operation for low-pressure control.

General Information

Programmable Zone Sensor - (BAYSENS119*)

Details the features of the programmable zone sensor.

General Information

Human Interface - 5 Inch Color Touchscreen (Optional)

Describes the features and benefits of the touchscreen interface.

Unit Dimensions

Figure 1. Typical installation clearances...

Illustrates recommended clearances for unit installation.

Unit Dimensions

Figure 2. 3-5 ton standard efficiency...

Shows physical dimensions and connection points for 3-5 ton units.

Unit Dimensions

Figure 4. 3-5 ton standard efficiency... roof opening

Illustrates unit clearances and roof opening requirements.

Unit Dimensions

Figure 6. 6, 7½ (single) ton standard efficiency... roof curb

Details roof curb dimensions for 6-10 ton units.

Unit Dimensions

Figure 8. 7½ ton (dual) - 10 ton standard efficiency...

Shows dimensions and connections for larger tonnage units.

Unit Dimensions

Figure 11. 10 ton high efficiency

Details dimensions and connection points for 10 ton high efficiency units.

Unit Dimensions

Figure 13. 10 ton high efficiency- unit clearance and roof opening

Illustrates clearances for 10 ton high efficiency units on roof opening.

Installation

Pre-Installation

Covers pre-installation steps and safety precautions.

Heavy Objects!

Provides safety warnings for lifting heavy equipment.

Improper Unit Lift!

Warns about hazards associated with improper unit lifting.

Installation

Rigging

Details safe rigging procedures and center of gravity information.

Installation

Foundation

Specifies requirements for unit foundation and footings.

Installation

Ductwork

Illustrates supply and return air openings and ductwork recommendations.

Installation

Roof Curb

Provides instructions for installing the roof curb.

Installation

General Unit Requirements

Summarizes essential steps for a successful commercial unit installation.

Installation

Temperature Limit Switch Usage for Gas Heat Units

Explains when to change the TCO1 limit switch for horizontal discharge.

Installation

Horizontal Discharge Conversion (3 to 5 Ton Units)

Provides instructions for converting 3-5 ton units to horizontal discharge.

TCO-1 Instructions

Details the procedure for replacing the TCO1 limit control.

Installation

Horizontal Discharge Conversion (6 to 10 Ton Units)

Details conversion steps for 6-10 ton units to horizontal discharge.

Installation

Return Air Smoke Detector

Explains the installation and conversion of the return air smoke detector.

Installation

Main Electrical Power Requirements

Covers requirements for connecting main unit power.

Proper Field Wiring and Grounding Required!

Emphasizes mandatory field wiring and grounding by qualified personnel.

Installation

Through-the-Base Gas Installation

Details the steps for through-the-base gas line installation.

Condensate Drain Configuration

Explains how to configure the condensate drain system.

Installation

Field Installed Power Wiring

Guides on installing field power wiring.

Installation

Main Unit Power

Covers requirements for connecting main unit power.

Standard Wiring

Guides on connecting the unit's main power supply.

Installation

Field-Installed Control Wiring

Guides on installing field control wiring.

Controls Using 24 VAC

Provides guidelines for installing 24 VAC control wiring.

Installation

DC Conductors

Lists recommended wire sizes for DC conductors based on distance.

Figure 41. Relia Tel™™ conventional thermostat field wiring diagrams

Shows wiring diagrams for conventional thermostats with ReliaTel™.

Installation

Figure 45. Electromechanical control customer low voltage routing...

Shows low voltage wiring routing for electromechanical controls.

Figure 46. Relia Tel™™ control customer low voltage routing...

Shows low voltage wiring routing for ReliaTel™ controls.

Installation

Figure 47. Relia Tel™ (without TBUE) control customer wire routing...

Illustrates ReliaTel™ wiring without TBUE for 10 ton units.

Installation

Figure 49. Electromechanical (without TBUE) control customer wire routing...

Shows electromechanical wiring without TBUE for 10 ton units.

Installation

Space Temperature Averaging (Relia Tel™ Only)

Explains how to wire sensors for space temperature averaging.

Installation

Figure 53. Schematic diagram for field gas piping to unit

Provides a schematic for field gas piping connections to the unit.

Pre-Start

Hazardous Voltage w/Capacitors!

Warns about hazards when working with live electrical components and capacitors.

Voltage Imbalance

Explains how to measure and correct voltage imbalance for motor protection.

Pre-Start

Live Electrical Components!

Warns about hazards when working with live electrical components.

ReliaTel™™ Controls

Describes the self-diagnostic checks and test procedures for ReliaTel™ controls.

Pre-Start

Test Modes

Outlines the three methods for cycling through test modes for component operation.

Electromechanical Controls Test Procedure

Fan Test and Minimum Ventilation

Details how to test fan operation and minimum ventilation settings.

Economizer Cooling

Describes the procedure for testing economizer cooling functionality.

Unit Start-Up

Verifying Proper Air Flow

Guides on verifying and adjusting airflow for optimal unit performance.

Units with 5-Tap Direct Drive Indoor Fan

Details airflow verification for 5-tap direct drive fans.

Unit Start-Up

Unit Start-Up

17 Plus units with the constant CFM direct drive indoor fan

Airflow adjustment procedure for 17 Plus units.

Unit Start-Up

Variable Air Volume Applications (Traditional VAV)

Covers VAV system controls for cooling, heating, and economizer.

Supply Air Temperature Reset

Explains how to reset supply air temperature based on other conditions.

Unit Start-Up

Economizer Start-Up

Guides on starting up the economizer system.

Unit Start-Up

Economizer Start-Up

Guides on starting up the economizer system.

Unit Start-Up

Compressor Start-Up

Guides on starting up the compressor and observing pressures.

Gas Heat Units

Details startup procedures for gas heat units.

Unit Start-Up

Final System Setup

Final checks and programming before leaving the unit.

Maintenance

Hazardous Service Procedures!

Warns about potential hazards during maintenance procedures.

Fan Belt Adjustment - Belt Drive Units

Provides instructions for adjusting fan belt tension on belt drive units.

Maintenance

Monthly Maintenance

Lists routine checks and tasks to be performed monthly.

Filters

Describes filter inspection and replacement procedures.

Maintenance

Coil Cleaning

Provides detailed instructions for cleaning evaporator and condenser coils.

Microchannel (MCHE) Coils

Discusses specific cleaning procedures and warnings for MCHE coils.

Maintenance

Annual Maintenance

Lists tasks for annual maintenance, including corrosion checks.

Troubleshooting

ReliaTel™™ Control

Guides on using ReliaTel™ controls for system diagnostics and status checks.

System Status Checkout Procedure

Explains how to check system status using zone sensor LEDs or voltage readings.

Resetting Cooling and Ignition Lockouts

Details methods for resetting cooling and ignition lockouts.

Troubleshooting

System Failure

Identifies causes and voltage checks for system failure indications.

Heating Failure

Lists causes and indicators for heating failure.

Cooling Failure

Lists causes and indicators for cooling failure.

Troubleshooting

Zone Temperature Sensor (ZTS) Tests

Outlines tests for zone temperature sensors and setpoints.

Test 4 - LED Indicator Test, (SYS ON, HEAT, COOL & SERVICE)

Details methods for testing unit status LEDs.

Troubleshooting

Test 4 - LED Indicator Test, (SYS ON, HEAT, COOL & SERVICE)

Details methods for testing unit status LEDs.

Programmable & Digital Zone Sensor Test

Outlines tests for programmable and digital zone sensors.

Troubleshooting

Unit Economizer Control (ECA) Troubleshooting

Guides on diagnosing and troubleshooting the economizer control.

Troubleshooting

Method 2

Resets system by cycling unit power.

Troubleshooting

Unit Economizer Control (ECA) Test Procedures

Provides tests to diagnose ECA functionality and sensor inputs.

Troubleshooting procedures for Direct Drive Plenum Fan

Provides troubleshooting steps for direct drive plenum fans.

Unit Wiring Diagrams Numbers

Table 18. Unit wiring diagram numbers

Lists drawing numbers for various unit wiring diagrams.

Limited Warranty

Combination Gas Electric Air Conditioner YCC, YCD, YCH, YCP, YSC and YHC (Parts Only)

Details the limited warranty for specific gas electric air conditioner models.

Models Less Than 20 Tons for Residential Use*

Specifies warranty terms for residential applications.

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