CORPORATE

 

 

 

 

 

 

 

 

 

NON-PROGRAMMABLE

 

 

 

 

 

 

 

 

 

THERMOSTAT

 

 

FK4C

 

 

AIR

 

MODEL AC

 

 

FAN COIL CONDITIONER

 

 

 

 

 

 

 

 

 

 

 

 

24 VAC HOT

R

 

 

 

R

 

 

 

 

 

 

24 VAC COM

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEAT STAGE 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W/W1

 

 

 

W1

 

 

 

 

 

SEE

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

NOTE

 

 

 

 

 

 

COOL STAGE 1

 

 

 

 

 

 

 

 

 

 

2

Y/Y2

 

 

 

Y/Y2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INDOOR FAN

G

 

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W2

 

 

 

 

 

 

O

Y1

DH

A95502

NON-CORPORATE

NON-PROGRAMMABLE

THERMOSTAT

FA, FB, FC,

 

FD, FF

AIR

MODEL AC

FAN COIL

CONDITIONER

CORPORATE

 

 

 

 

 

 

 

 

 

 

 

PROGRAMMABLE

 

 

 

 

 

 

 

 

 

 

 

THERMOSTAT

 

 

 

 

FK4C

 

 

AIR

 

MODEL AC

 

 

FAN COIL CONDITIONER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24 VAC HOT

 

R

 

 

 

 

R

 

 

 

 

 

 

INDOOR FAN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G

 

 

 

 

G

 

 

 

 

 

 

HEAT STAGE 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W/W1

 

 

 

 

W1

 

 

 

 

 

 

COOL STAGE 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y/Y2

 

 

 

 

Y/Y2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOT USED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O/W2

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SEE

NOT USED

 

Y1/W2

 

 

 

 

Y1

 

 

 

C

NOTE

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W2

 

 

 

 

 

 

24 VAC COM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOT USED

 

B

 

 

 

 

DH

 

 

 

 

 

 

NOT USED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

 

 

COOL STAGE 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S1

 

 

 

 

 

 

 

 

 

 

 

INDOOR FAN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A95503

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NON-CORPORATE

 

NON-PROGRAMMABLE

 

THERMOSTAT

SINGLE

 

AIR

24 VAC HOT

HEAT STAGE 1

COOL STAGE 1

INDOOR FAN

R

W

Y

G

R

C

W2

G

C

SEE

NOTE 2

MODEL AC

 

 

 

 

STAGE

CONDITIONER

 

 

 

FURNACE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24 VAC HOT

R

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

SEE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

HEAT STAGE 1

W

 

 

 

W/W1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COOL STAGE 1

Y

 

 

 

Y/Y2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INDOOR FAN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G

 

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A95282

A95283

Fig. 7ÐTypical 24-v Circuit Connections (Continued)

7

Page 7
Image 7
Carrier 38TXA instruction manual Non-Corporate Non-Programmable, VAC HOT Heat Stage Cool Stage Indoor FAN

38TXA specifications

The Carrier 38TXA is a premium air conditioning solution designed for residential and light commercial applications, offering reliable performance and energy efficiency. As a standout model in Carrier's extensive lineup, the 38TXA is equipped with advanced features and technologies that ensure optimal comfort throughout the year.

At the heart of the 38TXA is its variable-speed compressor, which allows for precise temperature control and superior humidity regulation. This technology enables the unit to operate at different speeds, adjusting to the cooling demands of the space. Consequently, users benefit from improved energy efficiency, with SEER ratings often exceeding 16, contributing to reduced energy bills.

The 38TXA comes with a robust, weather-resistant cabinet that protects its internal components from the elements, enhancing durability and extending the lifespan of the unit. Additionally, it features a quiet operation mode; its sound levels are engineered to minimize noise, ensuring a peaceful indoor environment.

Another remarkable attribute of the Carrier 38TXA is its compatibility with smart home systems, allowing homeowners to integrate temperature control with other smart technologies. This connectivity is facilitated by the Carrier Comfortâ„¢ app, which provides users with the ability to adjust settings remotely, monitor energy usage, and optimize performance.

In terms of installation flexibility, the 38TXA can be easily integrated into existing HVAC systems or serve as a standalone unit. This versatility is complemented by its wide range of available sizes, catering to various space requirements.

The unit also utilizes environmentally friendly refrigerants, aligning with modern standards for sustainability. This commitment to eco-friendly practices not only meets regulatory requirements but also offers peace of mind to environmentally conscious consumers.

Overall, the Carrier 38TXA is designed with cutting-edge technologies aimed at maximizing efficiency, comfort, and convenience. Its combination of advanced features, robust design, and user-friendly connectivity make it an ideal choice for those seeking reliable climate control in their homes or businesses. With the 38TXA, Carrier continues its legacy of innovation, ensuring that customers enjoy enhanced comfort while minimizing their environmental footprint.