Installer’s Guide

4TWB3 OUTLINE DRAWING

NOTE: ALL DIMENSIONS ARE IN MM (INCHES).

MODELS

BASE

FIG.

A

B

C

D

E

F

 

G

H

 

J

K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4TWB3018A

3

2

730 (28-3/4)

829 (32-5/8)

756 (29-3/4)

1/2

1/4

127 (5)

 

76 (3)

197 (7-3/4)

57

(2-1/4)

508 (20)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4TWB3024A

3

2

730 (28-3/4)

829 (32-5/8)

756 (29-3/4)

5/8

5/16

127 (5)

 

76 (3)

197 (7-3/4)

57

(2-1/4)

508 (20)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4TWB3030A

3

1

933 (36-3/4)

829 (32-5/8)

756 (29-3/4)

3/4

5/16

143 (5-5/8)

92

(3-5/8)

210 (8-1/4)

79

(3-1/8)

508 (20)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4TWB3036A

4

1

943 (37-1/8)

946 (37-1/4)

870 (34-1/4)

3/4

3/8

152 (6)

98

(3-7/8)

219 (8-5/8)

86

(3-3/8)

508 (20)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4TWB3042A

4

1

943 (37-1/8)

946 (37-1/4)

870 (34-1/4)

3/4

3/8

152 (6)

98

(3-7/8)

219 (8-5/8)

86

(3-3/8)

508 (20)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4TWB3048A

4

1

1045 (41-1/8)

946 (37-1/4)

870 (34-1/4)

7/8

3/8

152 (6)

98

(3-7/8)

219 (8-5/8)

86

(3-3/8)

508 (20)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4TWB3060A

4

1

1045 (41-1/8)

946 (37-1/4)

870 (34-1/4)

7/8

3/8

152 (6)

98

(3-7/8)

219 (8-5/8)

86

(3-3/8)

508 (20)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

From Dwg. 21D153074 Rev. 12

18-BC61D1-1

7

Page 7
Image 7
Trane manual 4TWB3 Outline Drawing, Models Base

4TWB3 specifications

The Trane 4TWB3 is a high-efficiency, energy-efficient heat pump designed to offer premium heating and cooling solutions for residential applications. It is part of Trane's multi-stage comfort systems, ensuring optimal performance and energy savings throughout the year. One of the standout features of the 4TWB3 is its variable-speed technology. This allows the unit to operate at different speeds depending on the heating or cooling demand, providing precise temperature control while consuming less energy.

Another key characteristic of the 4TWB3 is its advanced refrigerant system. It uses R-410A refrigerant, which is environmentally friendly and contributes to better energy efficiency compared to older refrigerants. The system's enhanced coil design and modern compressor technology further improve heat transfer, enhancing overall performance.

The Trane 4TWB3 also incorporates an integrated comfort control system. This feature provides users with the ability to monitor and adjust their home’s climate settings conveniently, ensuring a consistently comfortable indoor environment. Additionally, the unit is equipped with Trane’s patented WeatherGuard II top, which helps protect the heat pump from harsh weather conditions, ensuring durability and longevity.

Noise reduction is another significant feature of the 4TWB3. With its acoustic insulation and quiet operation design, the unit operates at lower sound levels, ensuring peace and quiet in your home. The heat pump is also designed with a corrosion-resistant cabinet, which further extends its lifespan and reliability.

In terms of energy efficiency, the Trane 4TWB3 boasts impressive SEER (Seasonal Energy Efficiency Ratio) ratings, making it an economical option for homeowners looking to reduce their energy bills. Its energy-efficient design not only aligns with environmental standards but also qualifies for various rebates and incentives, making it a smart investment.

Installation and maintenance are simple with the 4TWB3, thanks to its user-friendly design and advanced diagnostics capabilities. These make troubleshooting straightforward for technicians, ensuring that any required service is efficient and minimally disruptive.

In summary, the Trane 4TWB3 heat pump combines advanced features, superior technology, and outstanding performance. With its focus on energy efficiency, quiet operation, and durability, it is an excellent choice for homeowners seeking reliable heating and cooling solutions.