Manuals / Carrier / Household Appliance / Air Conditioner

Carrier 50TC Adjust Factory-InstalledOptions, Install Accessories, Pre-Startand Start-Up

Models: 50TC

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Fig. 55 - EconoMi$ert IV Wiring

50TC

Economizer	Power	2 Position	Unit Without Economizer
	Exhaust	Damper	or 2 Position Damper
			C09382
	Fig. 55 - EconoMi$ert IV Wiring

Step 11 — Adjust Factory-Installed Options

EconoMi$er IV Occupancy Switch —

Refer to Fig. 55 for general EconoMi$er IV wiring. External occupancy control is managed through a connection on the Central Terminal Board.

If external occupancy control is desired, connect a time clock or remotely controlled switch (closed for Occupied, open for Unoccupied sequence) at terminals marked OCCUPANCY on CTB. Remove or cut jumper JMP 2 to complete the installation.

Step 12 — Install Accessories

Available accessories include: Roof Curb

Thru-base connection kit (must be installed before unit is set on curb)

Manual outside air damper Two-Position motorized outside air damper

EconoMi$er IV (with control and integrated barometric relief)

EconoMi$er2 (without control/for external signal and integrated barometric relief)

Differential dry-bulb sensor (EconoMi$er IV) Outdoor enthalpy sensor

Differential enthalpy sensor Electric Heaters

Single Point kits

Low Ambient Controls

Thermostat / Sensors CO2 sensor

DDC interface (PremierLink) Louvered hail guard

Phase monitor control Winter Start kit

Refer to separate installation instructions for information on installing these accessories.

Pre-Start and Start-Up

This completes the mechanical installation of the unit. Refer to the unit’s Service Manual for detailed Pre-Start and Start-up instructions.

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Carrier 50TC Adjust Factory-InstalledOptions, Install Accessories, Pre-Startand Start-Up, EconoMi$ert IV Wiring

Contents

50TC Single Package Rooftop, 50Hz Cooling Only TABLE OF CONTENTSSAFETY CONSIDERATIONS Installation InstructionsPERSONAL INJURY AND ENVIRONMENTAL HAZARD UNIT OPERATION AND SAFETY HAZARD50TC ELECTRICAL SHOCK HAZARDHorizontal Connections / Economizer Fig. 1 - Unit Dimensional Drawing - 07 Size Units50TC Vertical Connections / EconomizerC09448 50TCC09450 50TCVertical Connections / Economizer Horizontal Connections / EconomizerRoof mount INSTALLATIONFig. 3 - Service Clearance Dimensional Drawing Step 1 - Plan for Unit LocationPad-mountedinstallation Step 2 - Plan for Sequence of Unit InstallationTable 1 - Operating Weights Curb-mountedinstallation50TC Fig. 4 - Roof Curb Details - 07 Size UnitsACCESSORY ACCESSORYC09453 Fig. 5 - Roof Curb Details - 08 - 12 Size Units50TC 50TC-*08DETAIL A Step 5 - Field Fabricate DuctworkFig. 6 - Unit Leveling Tolerances Fig. 7 - Rigging DetailsUNIT DAMAGE HAZARD Step 8 - Install Outside Air HoodFig. 9 - Typical Access Panel Locations Step 6 - Rig and Place UnitFactory Option Two Position Damper Hood Removal and SetupFig. 12 - Indoor Coil Access Panel Relocation Fig. 10 - Economizer Parts, Shipping LocationFig. 16 - Condensate Drain Piping Details Fig. 14 - Economizer Filter InstallationStep 10 - Make Electrical Connections Fig. 15 - Condensate Drain Pan Side ViewFig. 18 - Power Wiring Connections Fig. 17 - Disconnect Switch and UnitUnits Without Factory-InstalledDisconnect Units with Factory-InstalledDisconnectAll Units Field Control WiringHeat Anticipator Settings Units without Thru-BaseConnectionsTable 3 - Heater Model Number Fig. 22 - Typical Access Panel Location 3-6TonFig. 21 - Field Control Wiring Raceway Electric HeatersConnections Fig. 24 - Typical Module InstallationFig. 25 - Typical Single Point Installation Fig. 26 - Accessory Electric Heater Control50TC PremierLinkt Factory-OptionFig. 27 - PremierLink Controller C09460 Fig. 29 - PremierLink Wiring Schematic50TC 50TC Table 4 - PremierLink Sensor UsageFIELD CONNECTION Table 5 - Space Sensor ModeTable 6 - Thermostat Mode INPUT SIGNALFig. 33 - PremierLink T-56Sensor Fig. 30 - T-55Space Temperature Sensor WiringFig. 31 - PremierLink T-55Sensor Fig. 32 - T-56Internal ConnectionsEnthalpy Fig. 39 - Outdoor Air Quality Sensor Cover 33ZCSENCO2 - Typical Wiring DiagramFig. 37 - Indoor/Outdoor Air Quality CO2 Sensor Fig. 38 - Indoor CO2 Sensor 33ZCSENCO2Connection Fig. 41 - PremierLink Filter Switch ConnectionFig. 42 - PremierLink Wiring Fan Pressure Switch Fig. 43 - PremierLink Wiring Remote Occupied50TC Table 8 - Color Code RecommendationsFig. 44 - PremierLink CCN Bus Connections 50TC RTU-MPcontrol systemFig. 45 - RTU-MP Multi-ProtocolControl Board Fig. 46 - 50TC Control Box Component LocationsC09461 Fig. 47 - RTU-MPSystem Control Wiring Diagram50TC 50TC Table 9 - RTU-MPController Inputs and OutputsFig. 49 - RTU-MP T-56Sensor Connections Space Temperature SPT SensorsFig. 50 - Space Temperature Sensor Typical Wiring Fig. 48 - RTU-MP T-55Sensor ConnectionsFig. 52 - RTU-MP /Outdoor CO2 Sensor Connecting Discrete Inputs Filter StatusFig. 51 - RTU-MP /Indoor CO2 Sensor 33ZCSENCO2 ConnectionsRemote Occupancy Communication Wiring - Protocols GeneralFig. 53 - RTU-MPSW3 Dip Switch Settings Fan Status50TC Local AccessRTU-MPTroubleshooting Communication LEDs Fig. 54 - BACview6 Handheld Connections50TC Table 10 - LEDsEconoMi$er IV Occupancy Switch Step 11 - Adjust Factory-InstalledOptionsStep 12 - Install Accessories Fig. 55 - EconoMi$ert IV Wiring50TC Table 11 - Unit Wire/MOCP Sizing DataNOTE See page 38 for table legend and notes 50TC Table 11 - Unit Wire/MOCP Sizing Data cont50TC Legend for Table50TC Replaces NEW 50TCCatalog No 50TC---C02SI Edition Date 11/09