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Carrier HFC-134A installation instructions 23XRV Dimensions Nozzle-In-Head Waterbox, A23-1557

Models: HFC-134A

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TUBE REMOVAL SPACE FOR EITHER END SIZES 30-32, 40-42, 50-52

12’-7½” (3848 mm) SIZES 35-37, 45-47, 55-57

14’-4” (4369 mm)

0’-3”

4’-10”

0’-3”

0’-5”

MOTOR SERVICE

 

CLEARANCE

 

1’ - 10” (559 mm)

FRAME R COMPRESSOR 3’ - 0” (915mm)

 

 

RECOMMENDED OVERHEAD SERVICE CLEARANCE

C

2’ MIN

(610 mm)

B

 

A

(WIDEST POINT)

 

 

SERVICE AREA

 

4’ - 10” MIN

a23-1557

 

(1219 mm)

 

 

Fig. 9 — 23XRV Dimensions (Refer to Tables 2 and 3)

Table 1 — Drive Assembly and Power Module Ratings

 

 

ENCLOSURE

INPUT

MAX INPUT

MAX OUTPUT

CARRIER PART NUMBER

FRAME SIZE

VOLTAGE (V)

CURRENT

CURRENT* at 4kHZ

TYPE

 

 

RANGE

(AMPS)

(AMPS)

 

 

 

23XRA2AA_ _ _ _ _ _ _ _ _ _ _

Frame 2AA

NEMA 1

380 to 460

440

442

23XRA2BA_ _ _ _ _ _ _ _ _ _ _

Frame 2BA

NEMA 1

380 to 460

520

442

23XRA2BB_ _ _ _ _ _ _ _ _ _ _

Frame 2BB

NEMA 1

380 to 460

520

520

23XRA2CC_ _ _ _ _ _ _ _ _ _ _

Frame 2CC

NEMA 1

380 to 460

608

608

*110% output current capability for one minute, 150% output current for 5 seconds.

Table 2 — 23XRV Dimensions (Nozzle-In-Head Waterbox)

HEAT EXCHANGER

 

A (Length, with Nozzle-in-Head Waterbox)

 

 

B (Width)

C (Height)

1 Pass

2-Pass*

3 Pass†

 

SIZE

 

 

 

 

 

 

ft-in.

mm

ft-in.

mm

ft-in.

mm

ft-in.

mm

ft-in.

mm

30 to 32

14- 31/4

4350

13- 81/4

4172

14- 31/4

4350

6-

4

1930

7-25/8

2200

35 to 37

15-113/4

4870

15- 43/4

4693

15-113/4

4870

6-

4

1930

7-25/8

2200

40 to 42

14- 9

4496

14- 31/8

4347

14- 6

4420

6- 8½

2045

7-6½

2299

45 to 47

16- 51/2

5017

15-115/8

4867

16- 21/2

4940

6- 8½

2045

7-6½

2299

50 to 52

14-10

4521

14- 41/2

4382

14- 61/2

4432

6-113/4

2127

7-63/4

2305

55 to 57

16- 61/2

5042

16- 1

4902

16- 3

4953

6-113/4

2127

7-63/4

2305

*Assumes both cooler and condenser nozzles on same end of chiller.

†1 or 3 pass length applies if either (or both) cooler or condenser is a 1 or 3 pass design.

NOTES:

1.Service access should be provided per American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE) 15, latest edition, National Fire Protection Association (NFPA) 70, and local safety code.

2.Allow at least 3 ft (915 mm) overhead clearance for service rigging for frame R compressor.

3.Certified drawings available upon request.

4.Marine waterboxes may add 6 in. to the width of the machine. See certified drawings for details.

5.‘A’ length dimensions shown are for standard 150 psi design and victaulic connections. The 300 psi design and/or flanges will add length. See certified drawings.

6.Dished head waterbox covers not available for 3 pass design.

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Carrier HFC-134A installation instructions 23XRV Dimensions Nozzle-In-Head Waterbox, A23-1557
Page 7 Page 9

HFC-134A specifications

Carrier HFC-134A, also known as tetrafluoroethane, is a hydrofluorocarbon (HFC) refrigerant widely used in a variety of cooling and heating applications. It is recognized for its role in refrigeration and air conditioning systems, making it a crucial component in many modern HVAC units. One of the key features of HFC-134A is its zero ozone depletion potential, which makes it an environmentally friendly alternative to older refrigerants like CFCs and HCFCs.

The characteristics of HFC-134A include its stability, non-corrosiveness, and effectiveness at low temperatures. These properties allow it to perform efficiently in both residential and commercial refrigeration systems. The refrigerant operates within a temperature range that is ideal for many applications, including food preservation and air conditioning. HFC-134A's thermodynamic properties enable it to absorb and release heat effectively, making it suitable for both vapor-compression and absorption refrigeration cycles.

From a technological perspective, the use of HFC-134A aligned with the transition to more sustainable refrigerants. As global environmental regulations have tightened, manufacturers have shifted towards refrigerants with lower global warming potential (GWP). HFC-134A has a GWP of approximately 1,430, which is lower than many of its predecessors but still higher than some newer alternatives. This aspect drives ongoing research and development in the industry, aiming to create even more environmentally sound refrigerants.

Carrier HFC-134A is compatible with various lubricants and can be integrated into systems designed for other refrigerants with minimal modifications. This flexibility allows for a smoother transition within existing installations as businesses and homeowners upgrade their HVAC systems to comply with environmental regulations.

In summary, Carrier HFC-134A plays a significant role in modern refrigeration and air conditioning technology. Its main features, including zero ozone depletion potential, stability, and efficiency, contribute to its widespread use in various applications. As the industry continues to evolve, the focus on reducing the environmental impact of refrigerants will undoubtedly influence the future direction of HFC-134A usage and the development of new alternatives.