Table 10 – LEDs

 

The LEDs on the RTU-MP show the status of certain functions

 

 

 

If this LED is on...

 

Status is...

 

 

 

Power

 

The RTU MP has power

 

 

 

Rx

 

The RTU MP is receiving data from the network segment

 

 

The RTU MP is transmitting data over the network segment

Tx

 

 

 

The digital output is active

DO#

 

 

 

 

 

The Run and Error LEDs indicate control module and network status

50TC

If Run LED shows...

And Error LED shows...

2 flashes per second

Off

 

 

2 flashes per second

2 flashes,

alternating with Run LED

 

2 flashes per second

3 flashes,

then off

 

2 flashes per second

4 flashes,

then pause

 

 

 

2 flashes per second

On

 

 

5 flashes per second

On

 

 

5 flashes per second

Off

 

 

7 flashes per second

7 flashes per second, alternating with

Run LED

 

 

 

14 flashes per second

14 flashes per second,

alternating with Run LED

 

 

 

On

On

 

 

Status is...

Normal

Five minute auto---restart delay after system error

Control module has just been formatted

Two or more devices on this network have the same ARC156 network address

Exec halted after frequent system errors or control programs halted

Exec start---up aborted, Boot is running Firmware transfer in progress, Boot is running

Ten second recovery period after brownout

Brownout

Failure. Try the following solutions:

STurn the RTU---MP off, then on. S Format the RTU---MP.

S Download memory to the RTU---MP. S Replace the RTU---MP.

NOTE: Refer to Form 48-50H-T-2T for complete configuration of RTU-MP, operating sequences and troubleshooting information. Refer to RTU-MP 3rd Party Integration Guide for details on configuration and troubleshooting of connected networks. Have a copy of these manuals available at unit start-up.

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Carrier 50TC installation instructions LEDs on the RTU-MP show the status of certain functions

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.