Carrier 50TC Adjust Factory-Installed Options, Install Accessories, Pre-Start and Start-Up

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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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Contents Installation Instructions 50TC Unit Dimensional Drawing 07 Size Units Unit Dimensional Drawing 07 Size Unit Unit Dimensional Drawing 08, 09 and 12 Size Units Roof mount Plan for Unit LocationProvide Unit Support Plan for Sequence of Unit InstallationInspect unit Roof Curb Details 07 Size Units Roof Curb Details 08 12 Size Units Unit Leveling Tolerances Field Fabricate DuctworkRig and Place Unit Convert to Horizontal and Connect Ductwork when requiredInstall Outside Air Hood Economizer Hood Removal and Setup Factory OptionEconomizer Hood and Two-Position Hood Two Position Damper Hood Removal and SetupFactory Option Make Electrical Connections Install External Condensate Trap and LineThru-Base Connections Units with Factory-Installed DisconnectAll units Thermostat Field Control WiringHeat Anticipator Settings Units without Thru-Base ConnectionsHeater Model Number Electric HeatersAccessory Electric Heater Control Connections PremierLink Controller PremierLinkt Factory-OptionPremierLink Wiring Schematic 33ZCT55SPT CRTEMPSN001A00 PremierLink Sensor UsageThermostat Mode Space Sensor Mode55 Space Temperature Sensor Wiring Economizer controls Enthalpy Switch HH57AC077 ConnectionsIndoor CO2 Sensor 33ZCSENCO2 Connections PremierLink Wiring Fan Pressure Switch Connection PremierLink Filter Switch ConnectionPremierLink CCN Bus Connections Color Code RecommendationsRTU-MP Multi-Protocol Control Board RTU-MP control systemRTU-MP System Control Wiring Diagram Type of I/O Connection PIN Name Numbers Inputs RTU-MP Controller Inputs and OutputsRTU-MP T-55 Sensor Connections Space Temperature SPT SensorsRTU-MP / Indoor CO2 Sensor 33ZCSENCO2 Connections Connecting Discrete Inputs Filter StatusRemote Occupancy Communication Wiring Protocols GeneralFan Status RTU-MP Troubleshooting Communication LEDs Local AccessLEDs on the RTU-MP show the status of certain functions LEDsPre-Start and Start-Up Adjust Factory-Installed OptionsInstall Accessories EconoMi$er IV Occupancy SwitchSTD Unit Wire/MOCP Sizing Data17.5 108 Disc 50TC Catalog No 50TC---C02SI

50TC specifications

The Carrier 50TC is a cutting-edge commercial rooftop unit designed for optimal performance and reliability in a variety of HVAC applications. This unit is particularly well-suited for small to medium-sized facilities that require efficient heating, ventilation, and air conditioning solutions. A hallmark of the Carrier 50TC is its impressive energy efficiency, enabling users to significantly lower their operational costs while maintaining a comfortable indoor environment.

One of the standout features of the Carrier 50TC is its advanced performance technologies. The unit employs a high-efficiency scroll compressor that enhances refrigerant management, allowing for exceptional cooling capacities while minimizing energy consumption. Additionally, the unit is equipped with variable speed fans, which further contribute to its operational efficiency. These fans adjust their speed according to the cooling demands, allowing the system to consume energy only when necessary.

The Carrier 50TC also incorporates an innovative control system that provides intelligent diagnostics and an array of customizable settings. This system helps in monitoring the unit's performance, ensuring maximum efficiency and early detection of potential maintenance issues. Users can easily integrate the unit within their existing building management systems, enhancing overall operational control and streamlining HVAC management procedures.

Durability and ease of maintenance are key characteristics of the Carrier 50TC, designed specifically to withstand harsh weather conditions while providing long-lasting performance. The unit's robust construction includes a powder-coated cabinet, which not only improves its aesthetic appeal but also protects against corrosion, ensuring longevity.

Moreover, the Carrier 50TC is designed with eco-friendliness in mind. It utilizes environmentally friendly refrigerants, aligning with modern regulations aimed at reducing the impact of HVAC systems on the environment. By choosing the Carrier 50TC, businesses can contribute to sustainability efforts while enjoying effective temperature control.

In summary, the Carrier 50TC combines energy efficiency, advanced technologies, and robust design to deliver a reliable HVAC solution for commercial applications. With its smart control system, high-efficiency components, and eco-friendly operation, the Carrier 50TC sets a standard for performance and sustainability in the commercial heating and cooling market.
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