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

Today, we’re diving into the details of the Carrier® unit model number “38ARZ008---511” for a commercial air-cooled split system. Whether you're working on a service call or replacing components, knowing how to decode these numbers can save time and prevent errors.

38ARZ008---511

The first part, "38AR", identifies this as a commercial air-cooled condensing unit. This is essential for determining the type of system you're dealing with and ensuring compatibility during replacements or upgrades.

38ARZ008---511

The "Z" in the model number stands for a single-circuit scroll compressor. This detail is important because it tells you about the unit’s efficiency and performance characteristics—especially when planning maintenance or repairs.

38ARZ008---511

The "008" indicates the cooling capacity of the unit. In this case, it translates to 7 tons. This helps technicians quickly identify the size and power of the system they are working with.

38ARZ008 - - - 511

The two dashes at the beginning ("--") don’t carry any specific meaning—they’re just placeholders in the model numbering system. It’s always good to know what isn’t important, too!

38ARZ008 - - - 511

The final number, "511", is more of a product identifier and doesn’t directly relate to the condenser coil itself. However, it can still be useful for referencing exact models or parts in technical manuals and databases.

One key detail to note is the third dash ("-"). This indicates that the condenser coil uses aluminum fins. This is crucial when sourcing replacement coils, as different fin materials (aluminum, copper, factory-coated aluminum, or factory-coated copper) affect performance, durability, and cost.

According to the Carrier data, this particular unit has two U-shaped condenser coils, each with two rows of tubes and 17 aluminum fins per inch. These specifications help in identifying the correct replacement parts and understanding the unit's heat exchange capabilities.

If you have questions about decoding model numbers or need help identifying the right coil for your system, feel free to email us. Our team at Nationwide Coils is here to make your job easier and more efficient.

Looking for a replacement for a Carrier OEM coil? Fill out our quote form today and get accurate pricing and availability information.