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Trane THC067E User Manual

Trane THC067E
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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™- Electric/Electric
3–10Tons–60Hz
Model Numbers
TSC037E - TSC067E THC037E - THC067E
TSC036E - TSC060E THC036E - THC072E
TSC072F - TSC120F THC120E
THC048F - THC102F
RT-SVX22M-EN
September 2013
Installation, Operation,
and Maintenance

Table of Contents

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Trane THC067E Specifications

General IconGeneral
Model NumberTHC067E
CategoryAir Conditioner
BrandTrane
Cooling Capacity67, 000 BTU/h
Energy Efficiency Ratio (EER)11.5
Refrigerant TypeR-410A
Voltage208/230V
Phase1
Compressor TypeScroll

Summary

Model Numbers

Model Number Description

Explains the coding system for unit model numbers.

Model Number Notes

Provides explanations and clarifications for various digits in the model number.

Model Number Description - 17 Plus

Details the coding system specific to the 17 Plus Precedent series models.

Model Number Notes

Offers explanations for digits used in the 17 Plus model number designation.

General Information

Unit Inspection

Steps for inspecting the unit upon arrival to check for damage and verify data.

Storage

Precautions to prevent condensate formation during unit storage.

Unit Nameplate

Details the data found on the unit's nameplate.

System Input Devices & Functions

Overview of basic input devices used within the RTRM network.

Clogged Filter Switch (Optional)

Explains the function and operation of the clogged filter switch.

Condensate Drain Pan Overflow Switch (Optional)

Details the function and operation of the condensate overflow switch.

Low Pressure Control

Describes the operation of the low-pressure control for compressor protection.

High Pressure Control

Details the operation of the high-pressure control for compressor protection.

Zone Sensor Module (ZSM)

Describes different models of Zone Sensor Modules and their features.

Smoke Detector Sensor (Optional)

Explains the function of the smoke detector for unit shutdown.

Unit Dimensions

Unit Clearances

Illustrates minimum operating and service clearances for unit installation.

Installation

Pre-Installation

Covers safety warnings and preparations before installation begins.

Foundation

Details requirements for constructing unit foundations and supports.

Ductwork

Illustrates supply and return air openings for downflow configuration.

RoofCurb

Guidelines for verifying and installing roof curbs for downflow units.

Rigging

Instructions and safety warnings for rigging and lifting the unit.

General Unit Requirements

Checklist summarizing key steps for successful unit installation.

Horizontal Discharge Conversion (3 Through 5 Ton Units)

Step-by-step instructions for converting 3-5 ton units to horizontal discharge.

Horizontal Discharge Conversion (6 Through 10 Ton Units)

Step-by-step instructions for converting 6-10 ton units to horizontal discharge.

TCO-A Instructions

Procedure for replacing the TCO-A limit control for horizontal duct configuration.

Return Air Smoke Detector

Instructions for converting the return air smoke detector for horizontal discharge.

Main Electrical Power Requirements

Safety warnings and requirements for main unit power connections.

Condensate Drain Configuration

Methods for converting the condensate drain to front or through-base.

Field Installed Power Wiring

Guidelines for correctly sizing and installing supply power wiring.

Field Installed Control Wiring

Layout and conductor requirements for control options.

Controls using 24 VAC

Wiring guidelines for 24 VAC controls, including conductor sizing.

Pre-Start

Voltage Imbalance

Procedure to measure and calculate voltage imbalance in three-phase power.

Electrical Phasing (Three Phase Motors)

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

Compressor Crankcase Heaters (Optional)

Explains the importance of crankcase heaters for compressor oil temperature.

ReliaTel™ Controls

Details self-diagnostic checks and test procedures for ReliaTel controls.

Electromechanical Controls Test Procedure

Guides for testing electromechanical controls and their components.

Unit Start-Up

Verifying Proper Air Flow

Procedures for verifying and adjusting system airflow for proper unit operation.

Units with 5-Tap Direct Drive Indoor Fan

Airflow verification for units with 5-tap direct drive indoor fans.

Units with Belt Drive Indoor Fan

Airflow verification for units with belt drive indoor fans.

Units with Constant CFM Direct Drive Indoor Fan

Airflow verification for units with constant CFM direct drive indoor fans.

17 Plus units with the constant CFM direct drive indoor fan

Airflow adjustment for 17 Plus units using constant CFM direct drive fans.

Variable Air Volume Applications (Traditional VAV)

Control strategies for Variable Air Volume applications.

Supply Air Temperature Control - Occupied Cooling and Heating

How the RTRM maintains selectable supply air temperature.

Supply Duct Static Pressure Control

Control of supply duct static pressure using a transducer.

Supply Air Temperature Reset

How supply air temperature can be reset based on various conditions.

Economizer Start-Up

Procedures for starting up the economizer system.

Compressor Start-Up

Steps for starting compressors, including safety checks and pressure monitoring.

Dehumidification Option

How to operate the dehumidification option and monitor settings.

Final System Setup

Final checks and procedures before leaving the unit after installation and start-up.

Maintenance

Fan Belt Adjustment - Belt Drive Units

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

Monthly Maintenance

General tasks for monthly unit maintenance.

Cooling Season

Specific maintenance checks and procedures for the cooling season.

Coil Cleaning

Guidelines for cleaning evaporator and condenser coils for efficiency.

Microchannel (MCHE) Coils

Specific notice and method for cleaning microchannel condenser coils.

Round Tube Plate Fin (RTPF) Coils

Handling and cleaning procedures for RTPF coils, including safety warnings.

Annual Maintenance

General annual maintenance tasks and recording data.

Troubleshooting

ReliaTel™ Control

Steps for checking unit diagnostics and system status via the RTRM.

System Status Checkout Procedure

Methods for checking system status using LED indicators on the ZSM.

Cooling Failure

Identifies potential causes for cooling failures and checks required.

Service Failure

Identifies potential causes for service failures and checks required.

Zone Temperature Sensor (ZTS) Service Indicator

Explains the function of the ZTS service LED as a generic indicator.

Clogged Filter Switch

Describes the function and indication of the clogged filter switch.

Fan Failure Switch

Describes the function and indication of the fan failure switch.

Zone Temperature Sensor (ZTS) Test

Procedures for testing the zone temperature sensor and its components.

Relative Humidity Sensor Test

How to test the relative humidity sensor's mA output signal.

Programmable & Digital Zone Sensor Test

Testing serial communication voltage and sensor function.

Unit Economizer Control (ECA) Troubleshooting

Troubleshooting the Economizer Control Actuator using LED indicators.

Electro Mechanical Control

Troubleshooting steps for electromechanical controls.

Unit Economizer Control (ECA) Test Procedures

Tests to diagnose problems within the system economizer operation.

Limited Warranty

Electric Air Conditioner

Details the limited warranty for residential electric air conditioners.

Electric Air Conditioner

Details the limited warranty for commercial electric air conditioners.

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