Description
The MRCOOL Olympus 4th Gen MULTI4-27HP230C-O is a 27,000 BTU multi-zone outdoor condenser that runs up to 4 indoor units from one outdoor unit, rated up to 25 SEER2 on R-454B refrigerant. Mix wall-mounted, ceiling cassette and concealed ducted Olympus 4th Gen indoor units (9K–24K) to condition several rooms independently.
The MRCOOL® Olympus MULTI4-27HP230C-O is a powerful 27,000 BTU multi-zone heat pump condenser capable of supporting up to four indoor units at once.Ideal for homeowners aiming to maintain precise temperature control in multiple areas, this ductless system allows for customized climate settings in each zone, offering a versatile and energy-smart solution for today’s homes.Engineered with advanced inverter technology, it boasts impressive energy efficiency—reaching SEER2 ratings up to 25 and HSPF2-4 up to 9.5.Designed to perform in a wide range of outdoor temperatures, this unit remains reliable even in cold weather down to 5°F, delivering year-round comfort.It’s also compatible with a variety of MRCOOL indoor unit types, including wall-mounted, ceiling cassette, and concealed duct options, making it easy to tailor the system to your home’s design and needs.Convenience is built in, with smart control options like the MRCOOL SmartHVAC app, handheld remotes, or voice control via Amazon Alexa and Google Assistant.Additional features such as sleep mode, auto restart, and refrigerant leak detection provide added safety, ease of use, and peace of mind.Covered by a 7 year compressor warranty and a 5 year parts warranty (when professionally installed), the MRCOOL® Olympus MULTI4-27HP230C-O is a dependable, high-efficiency choice for those seeking flexible, zone-specific heating and cooling.
Key Features
- Up to 4 zones: Connect up to 4 Olympus 4th Gen indoor units of mixed styles.
- DC inverter compressor: Variable-speed operation for quiet, efficient multi-room comfort.
- R-454B refrigerant: Low-GWP A2L refrigerant.
- Total line length: 262.4 total ft combined line set length.
- Compatible indoor units: Olympus 4th Gen wall mounted (O-xx-HP-WMAH-230C-O), ceiling cassette (CASSETTExxHP-230C) and ducted (DUCT-xxHP-230B-O).
Product Specifications
| Brand | MRCOOL |
|---|---|
| Model | MULTI4-27HP230C-O |
| Series | Olympus 4th Gen |
| SEER2 | Up to 25 |
| EER2 | Up to 13 |
| HSPF2-4 | 9.5 |
| HSPF2-5 | 7 |
| Tonnage | 2.25 |
| Cooling Capacity (BTU) | 27000 |
| Heating Capacity (BTU) | 27000 |
| Voltage (V) | 230 |
| Max Fuse Breaker (A) | 25 |
| Min Circuit Ampacity (A) | 23 |
| Color | White |
| Max Coverage Area | Up to 1125 |
| Zone Capacity | 4 |
| Refrigerant Type | R-454B |
| Decibel Rating (dBA) | 61 |
| Inverter | DC |
| Max Lineset Length (Ft) | 262.4 total |
| Lineset Fitting Type | Flare |
| Liquid Line Size | 4 x 1/4 |
| Suction Line Size | 3 x 3/8 + 1 x 1/2 |
| Compressor Motor Type | Rotary |
| Condenser Fan Motor RPM | 800/700/650 |
| Metering Device | EXV |
| Base Warranty | 5-Year Parts / 7-Year Compressor |
| Base Parts Warranty | 5-Year |
| Base Compressor Warranty | 7-Year |
| Base Remote Warranty | 5 Year |
| Net Depth (in) | 16.14 |
| Net Height (in) | 31.89 |
| Net Width (in) | 37.24 |
| Net Weight (lb) | 138.89 |
Compatibility & Installation
Matched with: Olympus 9k 4th Gen Hyper Heat Air Handler - 230v Olympus 9k 4th Gen Ducted Mini Split Air Handler - 230v Olympus 9k 4th Gen Ductless Ceiling Cassette - 230v Olympus 12k 4th Gen Hyper Heat Air Handler - 230v Olympus 12k 4th Gen Ducted Mini Split Air Handler - 230v Olympus 12k 4th Gen Ductless Ceiling Cass
- Line set: Flare connections — 4 x 1/4" liquid × 3 x 3/8 + 1 x 1/2" suction; maximum line length 262.4 total ft. Line set not included.
- Electrical: 208/230V single-phase, 60 Hz.
- Professional installation: Requires installation by a licensed HVAC technician (evacuation and charge verification with gauges). R-454B is an A2L refrigerant — follow current codes.
