Quick answers to questions about ordering, compatibility, and installation.
Model: DIY-MULTI4-27HP230D-O
Experience flexible zone control and energy-efficient performance with the MRCOOL® DIY 5th Gen 27,000 BTU Multi-Zone Mini Split Condenser. Designed for fast DIY installation, this 230V outdoor unit supports up to four zones and connects with multiple air handler combinations for personalized comfort throughout your home or workspace. Requires at least 2 air handlers to operate and supports up to 33,000 BTU total indoor capacity.
This condenser supports 6K, 9K, 12K, and 18K MRCOOL 5th Gen air handlers. A minimum of 2 air handlers must be connected, and total combined capacity should be between 70% and 122% of the rated output (18,900 – 33,000 BTU).
Examples of valid combinations include:
Note: Always verify total indoor air handler capacity before ordering. MRCOOL DIY condensers are pre-charged with R-454B and are not interchangeable with R-410A systems. Specifications may vary by production batch.
Buy confidently from MRCOOL DIY Direct – America’s most trusted source for DIY HVAC systems.
| Specification | Details |
|---|---|
| Model Number | DIY-MULTI4-27HP230D-O |
| Cooling Capacity | 27,000 BTU/h |
| Heating Capacity | 28,400 BTU/h |
| Recommended Coverage Area | 1,100 – 1,400 sq. ft. |
| SEER2 | Approx. 21.2 |
| HSPF2-4 | 10.3 |
| HSPF2-5 | 8.2 |
| Power Supply | 208–230V, 60Hz, 1 Phase |
| Minimum Circuit Ampacity | 24 A |
| Maximum Fuse | 25 A |
| Refrigerant Type | R-454B |
| Refrigerant Charge | ~67.37 oz |
| Line Set Sizes | 3/8" Liquid x 5/8" Gas |
| Net Dimensions (WxDxH) | 37.24" x 16.14" x 31.89" |
| Net Weight | 122.80 lbs |
| Recommended Wire Size | 10 AWG (recommended for 24A load) |
| One Size Smaller (Risk) | 12 AWG – May overheat or fail to meet code under full load |
| One Size Larger (Benefit) | 8 AWG – Increased safety margin and reduced voltage drop |
Quick answers to questions about ordering, compatibility, and installation.
Yes. Freedom HVAC Supply sells HVAC equipment and parts to contractors, property owners, and qualified DIY installers. Some products may require professional installation based on local codes.
Product pages include specifications and compatibility details. If you’re unsure, our team can help verify fit before you order.
Absolutely. We work with licensed HVAC contractors, installers, and professionals nationwide.
Some HVAC equipment must be installed by a licensed professional to meet code requirements or warranty terms. Always review manufacturer guidelines.
Yes. Our support team can assist with product selection based on your application, space, and installation needs.
Manufacturer installation guides and documentation are included or available upon request for most products.
Most HVAC equipment includes a manufacturer warranty when installed according to guidelines. Warranty terms vary by brand and product.
Yes. We ship HVAC systems and parts throughout the continental United States using trusted freight and parcel carriers.
Larger HVAC equipment ships via freight and should be inspected upon delivery. Delivery details are provided during checkout.
Get help with ordering, compatibility, or installation questions.
Last seen items
Authorized Service Center for the following Brands: Daikin - Goodman - MRCOOL - GWIN - Amana - Costway