Trane WC-IOM-7 manual Model Number Description

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Warnings and Cautions

NOTICE: Warnings and Cautions appear at appropriate sections throughout this literature. Read these carefully.

WARNING: Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION: Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. It may also be used to alert against unsafe practices.

NOTICE: Indicates a situation that may result in equipment or property-damage only accidents.

Overview of Manual

Note: One copy of this document ships inside the control panel of each unit and

is customer property. It must be retained by the unit’s maintenance personnel.

This booklet describes proper installation, operation, and maintenance procedures for air cooled systems. By carefully reviewing the information within this manual and following the instructions, the risk of improper operation and/or component damage will be minimized.

It is important that periodic maintenance be performed to help assure trouble free operation. A maintenance schedule is provided at the end of this manual. Should equipment failure occur, contact a qualified service organization with qualified, experienced HVAC technicians to properly diagnose and repair this equipment.

Model Number Description

All products are identified by a multiple-character model number that precisely identifies a particular type of unit. An explanation of the alphanumeric identification code is provided below. Its use will enable the owner/operator, installing contractors, and service engineers to define the operation, specific components, and other options for any specific unit.

When ordering replacement parts or requesting service, be sure to refer to the specific model number and serial number printed on the unit nameplate.

© 2008 Trane All rights reserved

WC-IOM-7

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Contents Packaged Heat Pump DecemberModel Number Description Equipment Damage From Ultraviolet UV Lights Contains RefrigerantHazardous Voltage w/Capacitors Contents Contents Model Number Description General Information Rlci ReliaTel LonTalk Communication Interface Optional Clogged Filter Switch OptionalGeneral Information Rtom ReliaTel Options Module OptionalLow Pressure Control Compressor Disable CPR1/2Power Exhaust Control Optional High Pressure Control OptionalZone Sensor Module ZSM BAYSENS009B Lead/Lag Control Dual Circuit OnlyZone Sensor Module ZSM BAYSENS007B Zone Sensor BAYSENS011BRemote Zone Sensor BAYSENS014C High Temperature Sensor BAYFRST001ARemote Zone Sensor BAYSENS013C Remote Zone Sensor BAYSENS016AUnit Inspection Smoke Detector Sensor OptionalStorage Fiberglass WoolFirst Aid Measures Unit Clearances Unit Dimensions Unit Dimensions Unit Dimensional Data 12 1/2 Ton, 15 TonUnit Dimensional Data 20 Ton Horizontal Duct Dimensional Data 12 1/2 Ton, 15 Ton Heavy Objects Improper Unit LiftRigging Horizontal Units InstallationIf a Curb Accessory Kit is not used DuctworkMain Electrical Power Requirements InstallationFactory Installed Economizer Low Voltage Wiring AC & DC RequirementsField Installed Power Wiring Condensate Drain ConfigurationFilter Installation Optional Tbue Wiring Through the Base Electrical Option Main Unit PowerStandard Wiring Use Copper Conductors OnlyHazardous Voltage Field Installed Control WiringControl Power Transformer Controls using 24 VAC Rtrm Smoke Detector Customer Low Voltage Wiring Smoke detector wiringInstallation Space Temperature Averaging Temperature vs. Resistance Voltage Imbalance Compressor Crankcase Heaters Optional Electrical Phasing Three Phase MotorsLive Electrical Components ReliaTel Controls Pre-Start Test ModesPre-Start Verifying Proper Air Flow Units with Belt Drive Indoor FanReturn Air Smoke Detector Rotating Components Start UpEconomizer Start-Up Compressor Start-UpScroll Compressors Start UpHeating Start-Up Final System Setup Maintenance Fan Belt Adjustment Belt Drive UnitsMaintenance Monthly Maintenance Hazardous VoltageFilters Return Air Smoke Detector MaintenanceCooling Season Coil Cleaning Heating SeasonHazardous Pressures Final ProcessSample maintenance log ReliaTel Control TroubleshootingHazardous Service Procedures Troubleshooting System Status Checkout ProcedureSystem Failure MethodCool Failure Resetting Cooling and Heating LockoutsHeat Failure Fan Failure Switch Zone Temperature Sensor ZTS Service IndicatorClogged Filter Switch Test Cooling Set Point CSP and Heating Set Point HSP ZtempProgrammable & Digital Zone Sensor Test Test System Mode and Fan SelectionTesting serial communication voltage ReliaTel Refrigeration Module Rtrm Default Chart Unit Operation without a Zone SensorUnit Economizer Control ECA Troubleshooting ReliaTel Control Wiring Diagrams Drawing Number DescriptionWarranty Heat PumpWarranty Page WC-IOM-7