MRCOOL® Olympus E Star® 4th Gen 24,000 BTU (2 Ton) Ductless Mini Split Heat Pump — O-ES-24-HP-C-230C-O1 + O-24-HP-WMAH-230C-O
Overview
The MRCOOL® Olympus E Star® 4th Gen 24k is a high-efficiency single-zone ductless mini split heat pump system built for reliable year-round heating and cooling in larger spaces. Control is simple with built-in WiFi and the MRCOOL® Smart HVAC app, plus voice control support through Amazon Alexa and Google Assistant. The system uses R-454B refrigerant and is designed for professional installation.
Highlights
- Large-area comfort: Designed to efficiently serve areas up to 1,050 sq ft.
- Smart control included: Built-in WiFi with app control, plus a remote control for quick access.
- Quiet operation: Indoor sound levels down to 16 dB(A) (low setting).
- Custom airflow: 5 variable fan speeds with oscillation for better room mixing.
- Efficient performance: High-efficiency ratings with inverter-driven outdoor performance.
- Easy maintenance: Reusable filter design.
Up to 1,050 sq ft*
24,000 / 29,000 BTU
Up to 21 SEER2
Indoor 16–54.5 dB(A)
*Coverage varies by climate, insulation, layout, and load.
What’s Included
- Outdoor Condenser: O-ES-24-HP-C-230C-O1
- Wall-Mounted Air Handler: O-24-HP-WMAH-230C-O
- WiFi / App Control: MRCOOL® Smart HVAC app support
- Remote Control
- Installation / user documentation (see Documents & Downloads)
Indoor Specs
Model: O-24-HP-WMAH-230C-O (Wall-Mounted Air Handler)
| System Type | Single-Zone Ductless Mini Split |
| Unit Type | Mini-Split (Indoor) |
| Tonnage | 2 Ton |
| Max Coverage Area | Up to 1,050 sq ft |
| Indoor Noise (dB[A]) | 54.5 / 43.5 / 38.5 / 27 / 16 |
| Number of Speeds | 5 (Variable) |
| Oscillation | Yes |
| WiFi / App | Yes / Yes |
| Voice Control | Amazon Alexa / Google Assistant |
| Electrical | 208/230V • 1-Phase • 60 Hz |
| Max Fuse / Breaker | 15A |
| Min Circuit Ampacity | 3A |
| Line Set Fitting Type | Flare |
| Liquid / Suction Line | 3/8" / 5/8" |
| Blower Motor Speeds | 812.3 / 618 / 412 / 317.8 / 317.8 |
| Blower Motor RPM | 1000 / 850 / 630 |
| Filter Type | Reusable |
| Aux Heater Included | No |
| Fan Only Option | Yes |
| Sleep Mode | Yes |
| Auto Cool | Yes |
| Color / Mount Type | White / Wall |
| Dimensions (W×D×H) | 47.13" × 11.02" × 14.61" |
| Net Weight | 43.65 lb |
| Works With | O-ES-24-HP-C-230C-O1 • MULTI4-27HP230C-O • MULTI5-36HP230C-O • MULTI6-48HP230C-O |
| UPC / GTIN | UPC 840255587730 • GTIN 00840255587730 |
| Restricted States | GU, PR, VI |
| Proposition 65 Warning | Yes |
Outdoor Specs
Model: O-ES-24-HP-C-230C-O1 (Single-Zone Condenser)
| System Type | Single-Zone Ductless Mini Split Heat Pump |
| Unit Type | Mini-Split (Outdoor) |
| Tonnage | 2 Ton |
| Cooling / Heating Capacity | 24,000 BTU / 29,000 BTU |
| Max Coverage Area | Up to 1,050 sq ft |
| SEER2 / EER2 | Up to 21 / Up to 13 |
| HSPF2-4 / HSPF2-5 | 13.5 / 9.8 |
| Outdoor Noise | 61.5 dB(A) |
| Electrical | 208/230V • 1-Phase • 60 Hz |
| MCA / Max Breaker | 24.9A / 25A |
| Refrigerant | R-454B • 63.49 oz factory charge |
| Inverter | DC |
| Compressor Motor Type | Rotary |
| Metering Device | EXV + Throttle Valve |
| Condenser Fan Motor RPM | 950 / 800 / 500 |
| Line Set | Flared fittings • Liquid 3/8" • Suction 5/8" |
| Max Line Set Length | 164 ft |
| Dimensions (W×D×H) | 37.24" × 16.14" × 31.89" |
| Net Weight | 130.29 lb |
| Energy Star Certified | Yes |
| AHRI Certified | Yes |
| Works With | O-24-HP-WMAH-230C-O • DUCT-24HP-230B-O • CASSETTE24HP-230C-O |
| UPC / GTIN | UPC 840255587655 • GTIN 00840255587655 |
| Restricted States | GU, PR, VI |
| Proposition 65 Warning | Yes |
Documents & Downloads
Important
- Professional installation: Installation by a licensed HVAC professional required where applicable.
- Electrical: Outdoor unit lists 25A max breaker and 24.9A MCA.
- Refrigerant: Uses R-454B.
- Proposition 65: Warning applies (see product documentation).
FAQs
Does this system require professional installation?
Yes. Installation by a licensed HVAC professional is required where applicable.
Is WiFi / app control included?
Yes. WiFi is built in and the system supports the MRCOOL® Smart HVAC app, plus remote control operation.
What areas can it cover?
This 24k (2 ton) system is designed to serve areas up to 1,050 sq ft, depending on the space and load.
What electrical circuit is required?
The outdoor condenser specifies 208/230V, 1-phase, 60 Hz with 24.9A MCA and a 25A max breaker. The outdoor unit typically determines the required circuit.
What refrigerant does it use?
R-454B.
What warranty comes with it?
Base coverage includes 5-year parts and 7-year compressor (condenser), with additional warranty terms detailed in the included warranty document.
