Coil of Duty: How to read a Carrier® Unit Model Number “38ARZ008---511" Commercial Air-Cooled Split System.

Let’s take a closer look at the Carrier® Unit Model Number “38ARZ008---511,” which refers to a commercial air-cooled split system. If you’re working with HVAC equipment, being able to decipher these model numbers can be incredibly useful. Here's how it breaks down:

38ARZ008---511

The prefix "38AR" identifies this unit as a commercial air-cooled condensing unit. These units are commonly used in larger buildings where efficient cooling is needed.

38ARZ008---511

The letter "Z" signifies that the compressor is a single circuit scroll type. Scroll compressors are known for their reliability and efficiency in various HVAC applications.

38ARZ008---511

The digits "008" indicate that this specific unit has a cooling capacity of 7 tons. In HVAC terms, a ton refers to the cooling capacity required to freeze one ton of water into ice over a 24-hour period.

38ARZ008 - - -511

The first two dashes “- -“ don’t serve any purpose in identifying the unit or its components. It’s just part of the numbering convention.

38ARZ008 - - - 511

However, the third dash “-“ provides crucial information about the condenser coil’s fin material, which is aluminum in this case. This detail is particularly important if you ever need to replace the condenser coil, as fin materials can vary between aluminum, copper, factory-coated aluminum, and factory-coated copper.

38ARZ008 - - - 511

The final set of numbers, “511,” doesn’t play a role in determining the condenser coil specifications for this unit. According to Carrier’s documentation, this particular unit includes two U-shaped condenser coils, each featuring two rows of tubes and 17 aluminum fins per inch.

If you’ve got questions about decoding coil model numbers or need help with replacements, feel free to email us. The experts at Nationwide Coils are here to assist you. For OEM Carrier coil replacements, simply fill out our quote form.