Table 5 – 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

 

 

 

 

 

 

 

 

 

 

 

 

 

16

 

 

CCN --- (BLK)

 

Digital, 5VDC

 

 

 

 

 

 

 

LEGEND:

 

 

 

 

 

 

T55

---

Space Temperature Sensor

FSD ---

Fire Shutdown

T56

---

Space Temperature Sensor

IAQ ---

Indoor Air Quality (CO2)

CCN

---

Carrier Comfort Network (communication bus)

OAQ --- Outdoor Air Quality (CO2)

CMPSAFE

---

Compressor Safety

 

RH ---

Relative Humidity

FILTER

---

Dirty Filter Switch

 

SFS ---

Supply Fan Status

Table 6 – Thermostat Mode

50TC

TB1 TERMINAL

FIELD CONNECTION

 

 

1

RAT SEN

 

 

2

G

 

 

3

RAT SEN

 

 

4

Y1

 

 

5

 

 

 

6

Y2

 

 

7

LOOP---PWR

 

 

8

W1

 

 

9

IAQ ---SEN

 

 

10

W2

 

 

11

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

 

 

12

CCN + (RED)

 

 

13

OAQ ---SEN/RH ---SEN

 

 

14

CCN Gnd (WHT)

 

 

15

 

 

 

16

CCN --- (BLK)

 

 

INPUT SIGNAL

Analog (10k thermistor)

Discrete, 24VAC

Analog (10k thermistor)

Discrete, 24VAC

Discrete, 24VAC

Analog, 24VDC

Discrete, 24VAC

Analog, 4---20mA

Discrete, 24VAC

Analog, 4---20mA

Digital, 5VDC

Analog, 4---20mA

Digital, 5VDC

Digital, 5VDC

LEGEND:

 

 

 

CCN

---

Carrier Comfort Network (communication bus)

RH

--- Relative Humidity

G

---

Thermostat Fan

W1

--- Thermostat Heat Stage 1

IAQ

---

Indoor Air Quality (CO2)

W2

--- Thermostat Heat Stage 2

OAQ

---

Outdoor Air Quality (CO2)

Y1

--- Thermostat Cool Stage 1

RAT

---

Return Air Temperature

Y2

--- Thermostat Cool Stage 2

21

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Carrier 50TC installation instructions Space Sensor Mode, Thermostat Mode

50TC specifications

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