Carrier 24ACB7 Performance Product Data page 20

Performance 2-stage air conditioner with puron refrigerant 2 to 5 tons

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SYSTEM DESIGN SUMMARY

1. Intended for outdoor installation with free air inlet and outlet. Outdoor fan external static pressure available is less than 0.01- -in. wc.

2. Minimum outdoor operating air temperature without low- -ambient operation accessory is 55_F (12.8_C).

3. The maximum outdoor operating ambient in cooling mode is 125_F (51.67_C) when operating voltage is 230v. For 208v

applications, the maximum outdoor ambient is 120_F (48.9_C).

4. Minimum outdoor operating air temperature for heating mode is –20_F (–28.9_C).

5. Maximum outdoor operating air temperature for heating mode is 66_F (18.9_C).

6. For reliable operation, unit should be level in all horizontal planes.

7. For interconnecting refrigerant tube lengths greater than 80 ft (23.4 m) and/or elevation differences between indoor and outdoor units

greater than 20 ft (6.1 m), consult Residential Piping and Longline Guideline and Service Manual available from equipment distribut-

or.

8. If any refrigerant tubing is buried, provide a 6 in. (152.4 mm) vertical rise to the valve connections at the unit. Refrigerant tubing

lengths up to 36 in. (914.4 mm) may be buried without further consideration. Do not bury refrigerant lines longer than 36 in. (914.4

mm).

9. Use only copper wire for electric connection at unit. Aluminum and clad aluminum are not acceptable for the type of connector

provided.

10. Do not apply capillary tube indoor coils to these units.

11. Factory- -supplied filter drier must be installed.

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

Edition Date: 01/13

Catalog No. 24ACB7---5PD

Replaces: 24ACB7--- 4PD

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