Table 7 – Space Sensor Mode

 

 

 

 

 

 

 

 

TB1 TERMINAL

 

 

FIELD CONNECTION

 

INPUT SIGNAL

 

 

1

 

 

 

T55--- SEN/T56--- SEN

 

Analog (10k thermistor)

 

 

2

 

 

 

RMTOCC

 

Discrete, 24VAC

 

 

3

 

 

 

T55--- SEN/T56--- SEN

 

Analog (10k thermistor)

 

 

4

 

 

 

CMPSAFE

 

Discrete, 24VAC

 

 

5

 

 

 

T56--- SET

 

Analog (10k thermistor)

 

 

6

 

 

 

FSD

 

Discrete, 24VAC

 

 

7

 

 

 

LOOP--- PWR

 

Analog, 24VDC

 

 

8

 

 

 

SPS

 

Discrete, 24VAC

 

 

9

 

 

 

IAQ--- SEN

 

Analog, 4--- 20mA

 

 

10

 

 

 

FILTER

 

Discrete, 24VAC

 

 

11

 

 

IAQ--- COM/OAQ--- COM/RH--- COM

 

Analog, 4--- 20mA

 

 

12

 

 

 

CCN + (RED)

 

Digital, , 5VDC

 

 

13

 

 

 

OAQ--- SEN/RH--- SEN

 

Analog, 4--- 20mA

 

 

14

 

 

 

CCN Gnd (WHT)

 

Digital, 5VDC

 

 

15

 

 

 

AUX OUT(Power Exhaust)

 

(Output)Discrete 24VAC

 

 

16

 

 

 

CCN --- (BLK)

 

Digital, 5VDC

LEGEND:

 

 

 

 

 

 

 

T55

 

---

Space Temperature Sensor

 

T56

 

---

Space Temperature Sensor

 

CCN

 

---

Carrier Comfort Network (communication bus)

 

CMPSAFE

---

Compressor Safety

 

 

 

FILTER

---

Dirty Filter Switch

 

 

 

FSD

 

---

Fire Shutdown

 

 

 

IAQ

 

---

Indoor Air Quality (CO2)

 

OAQ

 

---

Outdoor Air Quality (CO2)

 

RH

 

---

Relative Humidity

 

 

 

SFS

 

---

Supply Fan Status

 

 

 

 

 

 

 

 

 

Table 8 – Thermostat Mode

 

 

 

 

 

 

 

TB1 TERMINAL

 

FIELD CONNECTION

INPUT SIGNAL

 

 

1

 

 

 

RAT SEN

Analog (10k thermistor)

 

 

2

 

 

 

G

Discrete, 24VAC

 

 

3

 

 

 

RAT SEN

Analog (10k thermistor)

 

 

4

 

 

 

Y1

Discrete, 24VAC

 

 

5

 

 

 

 

 

 

 

 

6

 

 

 

Y2

Discrete, 24VAC

 

 

7

 

 

 

LOOP--- PWR

Analog, 24VDC

 

 

8

 

 

 

W1

Discrete, 24VAC

 

 

9

 

 

 

IAQ--- SEN

Analog, 4--- 20mA

 

 

10

 

 

 

W2

Discrete, 24VAC

 

 

11

 

 

 

IAQ--- COM/OAQ--- COM/RH--- COM

Analog, 4--- 20mA

 

 

12

 

 

 

CCN + (RED)

Digital, 5VDC

 

 

13

 

 

 

OAQ--- SEN/RH--- SEN

Analog, 4--- 20mA

 

 

14

 

 

 

CCN Gnd (WHT)

Digital, 5VDC

 

 

15

 

 

 

AUX OUT (Power Exhaust)

(Output) Discrete 24VAC

 

 

16

 

 

 

CCN --- (BLK)

Digital, 5VDC

LEGEND:

 

 

 

 

 

 

 

CCN

---

Carrier Comfort Network (communication bus)

 

G

---

Thermostat Fan

 

 

 

IAQ

---

Indoor Air Quality (CO2)

 

 

 

OAQ

---

Outdoor Air Quality (CO2)

 

 

 

RAT

---

Return Air Temperature

 

 

 

RH

---

Relative Humidity

 

 

 

W1

---

Thermostat Heat Stage 1

 

 

 

W2

---

Thermostat Heat Stage 2

 

 

 

Y1

---

Thermostat Cool Stage 1

 

 

 

Y2

---

Thermostat Cool Stage 2

 

 

 

50TC

27

Page 27
Image 27
Carrier 50TCA04-A07 appendix Space Sensor Mode, Thermostat Mode, Field Connection Input Signal

50TCA04-A07 specifications

The Carrier 50TCA04-A07 is a prominent model from Carrier, a leader in the heating, ventilation, and air conditioning (HVAC) industry. Designed for commercial applications, this unit exemplifies advanced technology and reliability, catering to a wide array of cooling needs.

One of the most notable features of the Carrier 50TCA04-A07 is its high efficiency. With a cooling capacity that suits various settings, it is engineered to provide excellent performance with minimal energy consumption. The unit achieves impressive Seasonal Energy Efficiency Ratio (SEER) ratings, which not only reduce operational costs but also lower the environmental impact.

The Carrier 50TCA04-A07 employs state-of-the-art inverter technology. This innovation allows the compressor to operate at varying speeds, adjusting its output according to the cooling demand. Consequently, the system can maintain optimal comfort levels while using less energy. Additionally, the inverter technology contributes to quieter operation, making it a suitable choice for environments where noise is a concern.

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Another significant characteristic of the Carrier 50TCA04-A07 is its advanced control system. The integrated control panel provides easy access to performance settings and monitoring capabilities. Users can effortlessly adjust temperatures and modes, ensuring a customizable climate. Furthermore, compatibility with smart building management systems enhances operational efficiency and real-time monitoring.

Regarding safety features, the Carrier 50TCA04-A07 is equipped with multiple sensors and automated responses to prevent overheating and ensure safe operation. These safety mechanisms not only protect the unit but also contribute to the overall safety of the installation environment.

In summary, the Carrier 50TCA04-A07 is a highly efficient, durable, and technologically advanced HVAC solution for commercial spaces. Its innovative features, including inverter technology, robust construction, and smart control systems, set it apart in the market, making it a reliable choice for businesses seeking to optimize their climate control needs while minimizing energy consumption and operational costs.