1 2 3 4 5 6

RED(+)

1 2

3

4

5

6

RED(+)

 

 

 

 

WHT(GND)

CCN COM

BLK(-)

 

SEN

 

SW1

 

BLK (GND)

SENSOR WIRING

RED (SPT)

 

SW1

 

WHT(GND)

CCN COM

 

BLK(-)

 

 

SEN

SET

 

 

WHT

 

 

(T56)

 

 

BLK (GND)

SENSOR WIRING

 

RED (SPT)

 

 

 

 

JUMPER

 

 

TERMINALS

 

 

AS SHOWN

Cool

Warm

Fig. 12 — Space Temperature Sensor Wiring

Fig. 13 — Space Temperature Sensor Wiring

(33ZCT55SPT)

(33ZCT56SPT)

Table 1 — Thermistor Resistance vs Temperature Values for Space Temperature Sensor, Return-Air

Temperature Sensor, and Supply-Air Temperature Sensor

TEMP

TEMP

RESISTANCE

(C)

(F)

(Ohms)

–40

–40

335,651

–35

–31

242,195

–30

–22

176,683

–25

–13

130,243

–20

–4

96,974

–15

5

72,895

–10

14

55,298

–5

23

42,315

0

32

32,651

5

41

25,395

10

50

19,903

15

59

15,714

20

68

12,494

25

77

10,000

30

86

8,056

35

95

6,530

40

104

5,325

45

113

4,367

50

122

3,601

55

131

2,985

60

140

2,487

65

149

2,082

70

158

1,752

21

Page 20 Page 22
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Image 21
Carrier 33ZCFANTRM, 33ZCVAVTRM, 33ZCSECTRM specifications Space Temperature Sensor Wiring
Page 20 Page 22

33ZCSECTRM, 33ZCVAVTRM, 33ZCFANTRM specifications

The Carrier 33ZCFANTRM, 33ZCSECTRM, and 33ZCVAVTRM are advanced air conditioning units designed for commercial and light industrial applications. These models represent Carrier's commitment to innovation and energy efficiency, offering unbeatable performance while ensuring minimal environmental impact.

One of the main features of the Carrier 33ZCFANTRM series is its outstanding energy efficiency. These units are designed to meet or exceed Energy Efficiency Ratio (EER) standards, which translates to reduced energy consumption and lower utility bills for users. The implementation of variable speed drive technology allows for precise control of airflow and cooling, enabling the units to adapt to varying load requirements seamlessly. This not only enhances comfort levels but also optimizes energy use.

In terms of design, the Carrier 33ZCSECTRM model stands out with its compact footprint, making it ideal for installation in tight spaces. It features a robust chassis made from high-quality materials that ensure durability and resistance to harsh outdoor conditions. Additionally, the unit is equipped with sound-dampening technology, resulting in quieter operation compared to many traditional systems.

The 33ZCVAVTRM model takes versatility to the next level by incorporating advanced Variable Air Volume (VAV) technology. This allows for customized airflow delivery, ensuring that different areas of a building can be conditioned to meet specific comfort needs. The VAV system helps maintain optimal indoor air quality by continuously monitoring and adjusting airflows based on real-time demand.

Each model also features advanced controls which integrate seamlessly with building management systems. This connectivity provides users with powerful tools for monitoring system performance, enabling predictive maintenance and improving overall operational efficiency.

Moreover, the Carrier 33ZC series employs environmentally friendly refrigerants, which aligns with global sustainability goals. The use of these refrigerants contributes to a lower carbon footprint while still delivering exceptional cooling capacity.

Overall, the Carrier 33ZCFANTRM, 33ZCSECTRM, and 33ZCVAVTRM models epitomize Carrier's innovative spirit, combining cutting-edge technology with superior performance features. These units are well-suited to meet the rigorous demands of diverse commercial applications, promoting both comfort and efficiency in today's dynamic work environments. As businesses evolve, the need for reliable, efficient, and adaptable HVAC solutions becomes paramount, and these Carrier models stand ready to meet that challenge head-on.
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