Carrier 38BYG Product Data

Also see for 38BYG Series: Wiring diagrams Installation and start-up instructions Installation and start-up instructions

Contents

34System Design1. 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 for cooling mode without low-ambient operation accessory is 55°F (12.8°C).3. Maximum outdoor operating air temperature for cooling mode is 125°F (51.7°C).4. Minimum outdoor operating air temperature for heating mode is –30°F (–34.4°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. Maximum elevation of indoor coil above or below base of outdoor unit is: indoor coil above = 50 ft, indoor coil below = 150 ft. (See items 8 and 9 following.)8. For interconnecting refrigerant tube lengths greater than 50 ft, consult Application Guideline and Service Manual—Air Conditioners and Heat Pumps UsingR-22 Refrigerant.9. For buried refrigerant tubing lengths greater than 36 in., consult your local distributor.10. Use only copper wire for electric connection at unit. Aluminum and clad aluminum are not acceptable for the type of connector provided.11. Mismatches of indoor coil capacity more than 1 size larger than outdoor unit capacity may result in inadequate indoor comfort.

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