Trane WC-IOM-7 manual Contents

Page 4
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Contents

Contents

Model Number Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Unit Nameplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Compressor Nameplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Unit Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Economizer Control Actuator ReliaTel™ Control . . . . . . . . . . . . . . . . . . . . . . . 7

RTCI -- ReliaTel™ Trane Communication Interface (Optional) . . . . . . . . . . . . . 7

RLCI - ReliaTel™ LonTalk Communication Interface (Optional) . . . . . . . . . . . . 8

RTOM – ReliaTel™ Options Module (Optional) . . . . . . . . . . . . . . . . . . . . . . . . 8

System Input Devices & Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Supply Fan Failure Input (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Clogged Filter Switch (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Low Pressure Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

High Pressure Control (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Unit Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Unit Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Foundation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Horizontal Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

General Unit Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Factory Installed Economizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Main Electrical Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Electric Heat Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Low Voltage Wiring (AC & DC) Requirements . . . . . . . . . . . . . . . . . . . . . . . . 22

Condensate Drain Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Filter Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Field Installed Power Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Main Unit Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Smoke Detector Customer Low Voltage Wiring . . . . . . . . . . . . . . . . . . . . . . . 28

Space Temperature Averaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Voltage Imbalance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Compressor Crankcase Heaters (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

ReliaTel Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Pre-Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Test Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Verifying Proper Air Flow

(Units with Belt Drive Indoor Fan). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Economizer Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38 Compressor Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38 Heating Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39 Final System Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Fan Belt Adjustment - Belt Drive Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Monthly Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

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WC-IOM-7

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Contents Packaged Heat Pump DecemberModel Number Description Hazardous Voltage w/Capacitors Contains RefrigerantEquipment Damage From Ultraviolet UV Lights Contents Contents Model Number Description General Information Clogged Filter Switch Optional General InformationRlci ReliaTel LonTalk Communication Interface Optional Rtom ReliaTel Options Module OptionalCompressor Disable CPR1/2 Power Exhaust Control OptionalLow Pressure Control High Pressure Control OptionalLead/Lag Control Dual Circuit Only Zone Sensor Module ZSM BAYSENS007BZone Sensor Module ZSM BAYSENS009B Zone Sensor BAYSENS011BHigh Temperature Sensor BAYFRST001A Remote Zone Sensor BAYSENS013CRemote Zone Sensor BAYSENS014C Remote Zone Sensor BAYSENS016AUnit Inspection Smoke Detector Sensor OptionalFirst Aid Measures Fiberglass WoolStorage 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 Installation If a Curb Accessory Kit is not usedHorizontal Units DuctworkInstallation Factory Installed EconomizerMain Electrical Power Requirements Low Voltage Wiring AC & DC RequirementsFilter Installation Condensate Drain ConfigurationField Installed Power Wiring Main Unit Power Standard WiringOptional Tbue Wiring Through the Base Electrical Option Use Copper Conductors OnlyControl Power Transformer Field Installed Control WiringHazardous Voltage Controls using 24 VAC Rtrm Smoke Detector Customer Low Voltage Wiring Smoke detector wiringInstallation Space Temperature Averaging Temperature vs. Resistance Voltage Imbalance Live Electrical Components Electrical Phasing Three Phase MotorsCompressor Crankcase Heaters Optional ReliaTel Controls Pre-Start Test ModesPre-Start Verifying Proper Air Flow Units with Belt Drive Indoor FanReturn Air Smoke Detector Start Up Economizer Start-UpRotating Components Compressor Start-UpHeating Start-Up Start UpScroll Compressors Final System Setup Maintenance Fan Belt Adjustment Belt Drive UnitsMaintenance Monthly Maintenance Hazardous VoltageCooling Season Return Air Smoke Detector MaintenanceFilters Coil Cleaning Heating SeasonHazardous Pressures Final ProcessSample maintenance log Hazardous Service Procedures TroubleshootingReliaTel Control Troubleshooting System Status Checkout ProcedureSystem Failure MethodHeat Failure Resetting Cooling and Heating LockoutsCool Failure Clogged Filter Switch Zone Temperature Sensor ZTS Service IndicatorFan Failure Switch Test Cooling Set Point CSP and Heating Set Point HSP ZtempTesting serial communication voltage Test System Mode and Fan SelectionProgrammable & Digital Zone Sensor Test 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
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