Low Ambient Temperature Head Pressure Control — If the unit is equipped with the low ambient temperature head pres- sure control option, field-fabricated and field-installed wind baffles are required if the wind velocity is anticipated to be greater than 5 mph (8 km/h). Two different baffles may be re- quired, facing the control box. Wind baffles should be con- structed with minimum 18-gage galvanized sheet metal or oth- er suitable corrosion-resistance material with cross breaks for strength. See Fig. 30. Use field-supplied screws to attach baf- fles to the corner posts of the machine. Be sure to hem or turn a flange on all edges to eliminate sharp edges on the baffles.

WARNING

Disconnect all power to the unit before performing mainte- nance or service. Electrical shock and personal injury could result.

CAUTION

To avoid damage to the refrigerant coils and electrical com- ponents, use extreme care when drilling screw holes and screwing in fasteners.

Mount the smaller height baffle on units with a control box located on the end of the unit. It is recommended that the upper notches be used for mounting the baffles. This reduces the risk of damaging the coil while drilling a mounting hole. Loosen the upper corner post bolts and slide the baffle under the bolt and washer. Tighten the bolt. Drill holes in the bottom of the flange of the baffle and mount with two screws to secure the bottom of the baffle to the corner post. Repeat the process for the opposite end. See Fig. 30.

Cross break these faces.

Hem these 3 edges both top

and bottom.

See Detail A

X

1880 [74.0]

180 [7.0]

POSITION

BAFFLE HEIGHT (X)

 

 

 

 

 

 

RIGHT END

LEFT END

 

 

 

 

 

 

 

 

 

 

 

 

 

30XA080-120

1040 [41.0]

635 [25.0]

 

 

 

 

 

 

(Facing the control box end)

 

 

 

 

 

 

30XA140-500

1040 [41.0]

1040 [41.0]

 

 

 

 

 

 

 

 

 

 

 

 

(Facing the control box end)

 

 

 

 

 

 

NOTES:

 

 

 

 

 

70 [2.75]

 

 

 

 

 

1. Material: 18 ga. Corrosion Resistant Sheet Metal.

18 [0.75]

 

 

 

 

 

 

 

 

 

 

2. Dimensions are in mm [inches].

 

 

 

 

 

 

 

Detail A

Typical Both Flanges

Fig. 30 — Field-Fabricated and Field-Installed Wind Baffles

305 [12.0]

18 [0.75]

31 [1.25]

21 [0.88]

a30-3997

55

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Image 55
Carrier 30XA080-500 specifications 30XA080-120, 30XA140-500, Detail a, A30-3997

30XA080-500 specifications

The Carrier 30XA080-500 is a sophisticated air-cooled chiller designed for large commercial and industrial applications, renowned for its energy efficiency and reliability. This model is part of Carrier's extensive range of chillers, providing an optimal solution for space cooling needs while supporting sustainability goals.

One of the main features of the 30XA080-500 is its advanced scroll compressor technology. This design not only enhances the chiller's efficiency but also ensures quieter operation. The compressors operate with a high efficiency at partial loads, making the 30XA080-500 ideal for buildings with varying cooling demands. The unit also incorporates multiple compressors, allowing for enhanced reliability through redundancy; if one compressor fails, others can maintain performance.

The 30XA080-500 is equipped with high-performance evaporators and condensers which facilitate superior heat exchange. The unit features a fin-and-tube heat exchanger design, optimized for maximum surface area and minimal air resistance, thus enhancing overall performance. Moreover, the chiller is built with microchannel technology, which significantly reduces the refrigerant charge while improving efficiency through better heat transfer.

In terms of controls, the Carrier 30XA080-500 utilizes advanced VFD (Variable Frequency Drive) technology. This allows the system to adjust motor speed to match building loads, further increasing efficiency and reducing energy consumption. The intuitive control options enable users to monitor performance and make adjustments easily, helping optimize system operations in real time.

Another highlight of the 30XA080-500 is its environmentally conscious refrigerant, R-410A, which is known for its low Global Warming Potential (GWP). This makes the unit compliant with current and future environmental regulations, ensuring that users can operate within legal limits while reducing their carbon footprint.

The durability of the 30XA080-500 is enhanced by a rugged construction designed to withstand various weather conditions, making it suitable for outdoor installation. Insulated panels and protective coatings guard against corrosion, extending the lifespan of components and reducing maintenance costs.

In conclusion, the Carrier 30XA080-500 is a high-efficiency chiller that offers advanced technology, reliable performance, and environmental consciousness, making it an excellent choice for modern commercial buildings seeking to balance cooling needs with sustainability and energy savings. Its combination of innovative features positions it as a leader in the chiller market.