Manuals / Carrier / Household Appliance / Air Conditioner

Carrier 50TC Electrical Shock Hazard, Unit Operation And Safety Hazard, Cut Hazard

Models: 50TC

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50TC

50TC

!WARNING

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could cause personal injury or death.

Before performing service or maintenance operations on unit, always turn off main power switch to unit and install lockout tag. Unit may have more than one power switch.

!WARNING

UNIT OPERATION AND SAFETY HAZARD

Failure to follow this warning could cause personal injury, death and/or equipment damage.

Puronr (R-410A) refrigerant systems operate at higher pressures than standard R-22 systems. Do not use R-22 service equipment or components on Puron refrigerant equipment.

!WARNING

PERSONAL INJURY AND ENVIRONMENTAL HAZARD

Failure to follow this warning could cause personal injury or death.

Relieve pressure and recover all refrigerant before system repair or final unit disposal.

Wear safety glasses and gloves when handling refrigerants. Keep torches and other ignition sources away from refrigerants and oils.

!CAUTION

CUT HAZARD

Failure to follow this caution may result in personal injury.

Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing, safety glasses and gloves when handling parts and servicing furnaces.

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Carrier 50TC Electrical Shock Hazard, Unit Operation And Safety Hazard, Personal Injury And Environmental Hazard

Contents

Installation Instructions TABLE OF CONTENTSSAFETY CONSIDERATIONS 50TC Single Package Rooftop, 50Hz Cooling OnlyELECTRICAL SHOCK HAZARD UNIT OPERATION AND SAFETY HAZARD50TC PERSONAL INJURY AND ENVIRONMENTAL HAZARDVertical Connections / Economizer Fig. 1 - Unit Dimensional Drawing - 07 Size Units50TC Horizontal Connections / Economizer50TC C09448Horizontal Connections / Economizer 50TCVertical Connections / Economizer C09450Step 1 - Plan for Unit Location INSTALLATIONFig. 3 - Service Clearance Dimensional Drawing Roof mountCurb-mountedinstallation Step 2 - Plan for Sequence of Unit InstallationTable 1 - Operating Weights Pad-mountedinstallationACCESSORY Fig. 4 - Roof Curb Details - 07 Size UnitsACCESSORY 50TC50TC-*08 Fig. 5 - Roof Curb Details - 08 - 12 Size Units50TC C09453Fig. 7 - Rigging Details Step 5 - Field Fabricate DuctworkFig. 6 - Unit Leveling Tolerances DETAIL AStep 6 - Rig and Place Unit Step 8 - Install Outside Air HoodFig. 9 - Typical Access Panel Locations UNIT DAMAGE HAZARDFig. 10 - Economizer Parts, Shipping Location Two Position Damper Hood Removal and SetupFig. 12 - Indoor Coil Access Panel Relocation Factory OptionFig. 15 - Condensate Drain Pan Side View Fig. 14 - Economizer Filter InstallationStep 10 - Make Electrical Connections Fig. 16 - Condensate Drain Piping DetailsUnits with Factory-InstalledDisconnect Fig. 17 - Disconnect Switch and UnitUnits Without Factory-InstalledDisconnect Fig. 18 - Power Wiring ConnectionsUnits without Thru-BaseConnections Field Control WiringHeat Anticipator Settings All UnitsElectric Heaters Fig. 22 - Typical Access Panel Location 3-6TonFig. 21 - Field Control Wiring Raceway Table 3 - Heater Model NumberFig. 26 - Accessory Electric Heater Control Fig. 24 - Typical Module InstallationFig. 25 - Typical Single Point Installation Connections50TC PremierLinkt Factory-OptionFig. 27 - PremierLink Controller C09460 Fig. 29 - PremierLink Wiring Schematic50TC Table 4 - PremierLink Sensor Usage 50TCINPUT SIGNAL Table 5 - Space Sensor ModeTable 6 - Thermostat Mode FIELD CONNECTIONFig. 32 - T-56Internal Connections Fig. 30 - T-55Space Temperature Sensor WiringFig. 31 - PremierLink T-55Sensor Fig. 33 - PremierLink T-56SensorEnthalpy Fig. 38 - Indoor CO2 Sensor 33ZCSENCO2 33ZCSENCO2 - Typical Wiring DiagramFig. 37 - Indoor/Outdoor Air Quality CO2 Sensor Fig. 39 - Outdoor Air Quality Sensor CoverFig. 43 - PremierLink Wiring Remote Occupied Fig. 41 - PremierLink Filter Switch ConnectionFig. 42 - PremierLink Wiring Fan Pressure Switch Connection50TC Table 8 - Color Code RecommendationsFig. 44 - PremierLink CCN Bus Connections Fig. 46 - 50TC Control Box Component Locations RTU-MPcontrol systemFig. 45 - RTU-MP Multi-ProtocolControl Board 50TCC09461 Fig. 47 - RTU-MPSystem Control Wiring Diagram50TC Table 9 - RTU-MPController Inputs and Outputs 50TCFig. 49 - RTU-MP T-56Sensor Connections Space Temperature SPT SensorsFig. 48 - RTU-MP T-55Sensor Connections Fig. 50 - Space Temperature Sensor Typical Wiring33ZCSENCO2 Connections Connecting Discrete Inputs Filter StatusFig. 51 - RTU-MP /Indoor CO2 Sensor Fig. 52 - RTU-MP /Outdoor CO2 SensorFan Status Communication Wiring - Protocols GeneralFig. 53 - RTU-MPSW3 Dip Switch Settings Remote OccupancyFig. 54 - BACview6 Handheld Connections Local AccessRTU-MPTroubleshooting Communication LEDs 50TCTable 10 - LEDs 50TCFig. 55 - EconoMi$ert IV Wiring Step 11 - Adjust Factory-InstalledOptionsStep 12 - Install Accessories EconoMi$er IV Occupancy Switch50TC Table 11 - Unit Wire/MOCP Sizing DataNOTE See page 38 for table legend and notes Table 11 - Unit Wire/MOCP Sizing Data cont 50TCLegend for Table 50TC50TC Edition Date 11/09 50TCCatalog No 50TC---C02SI Replaces NEW