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.Maximum outdoor operating air temperature is 125°F (51.7°C).

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

5.Maximum elevation of indoor coil above or below base of outdoor unit is: Indoor coil above = 30 ft, indoor coil below = 30 ft.

6.For interconnecting refrigerant tube lengths greater than 50 ft, consult the Residential Split-System Application Guideline and Service Manual for Air Conditioners and Heat Pumps using Puron® Refrigerant available from equipment distributor.

7.If any refrigerant tubing is buried, provide a 6 in. vertical rise to the valve connections at the unit. Refrigerant tubing lengths up to 36 in. may be buried without further consideration. For buried lines longer than 3 ft, consult your local distributor.

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

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

10.Factory-supplied ﬁlter drier must be installed.

11.Do not deviate from factory speciﬁed TXV’s and Liquid Line Solenoids.

—22—