MRCOOL — Ceiling Cassette
MRCOOL Olympus Cassette 18,000 BTU (1.5 Ton) – CASSETTE18HP-230C-P-O
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MRCOOL Olympus Cassette 18,000 BTU (1.5 Ton) – CASSETTE18HP-230C-P-O
Overview
The MRCOOL® OLYMPUS 18K CASSETTE provides efficient heating and cooling for areas up to 800 sq. ft. Its flush, ceiling-mounted design blends into the room for a contemporary, uncluttered look. With indoor sound levels down to 23.5 dB, it supports quiet comfort in bedrooms, offices, and other noise-sensitive spaces. It uses R-454B low-GWP refrigerant for strong performance with reduced environmental impact. Warranty coverage includes a limited lifetime warranty, 7-year compressor, and 5-year parts.
Quick Facts
- Capacity: 18,000 BTU (1.5 Ton)
- Coverage: Up to 800 sq. ft.
- Refrigerant: R-454B
- Voltage/Phase/Frequency: 208/230V, 1-Phase, 60 Hz
- Sound: 48 / 44.5 / 41 / 27.5 / 23.5 dBA (5 speeds)
- Airflow Direction: Downflow
- Fan Speeds: 5 (Variable) with Oscillation
- Controls: Remote Included; Sleep Mode & Auto Cool
- Smart/Wi-Fi/App: No
- Listings: UL, CSA, ETL
Use our sizing calculator (BTU Calculator) to dial in the right capacity.
Works With (Outdoor Units)
O-ES-18-HP-C-230C-O1, MULTI4-27HP230C-O, MULTI5-36HP230C-O, MULTI6-48HP230C-O
Included in Your Order
- MRCOOL Olympus 18K Cassette – Model: CASSETTE18HP-230C-P-O
- Ceiling Cassette Panel
- Remote Control
- Installation Manual
- Owner’s & Service Information
Lineset, outdoor unit, and accessories sold separately.
Key Features
- Flush-mount ceiling cassette for a sleek, space-saving installation
- Quiet operation down to 23.5 dBA
- R-454B low-GWP refrigerant
- 5 variable fan speeds with oscillation
- Reusable filter
- Sleep Mode, Auto Cool, Fan-Only option
- UL, CSA, and ETL listed
Technical Specifications
| Specification | Details |
|---|---|
| Brand / Series | MRCOOL / Olympus Cassette |
| Model | CASSETTE18HP-230C-P-O |
| GTIN / UPC | 00840255588003 / 840255588003 |
| Unit Type | Mini-Split Ceiling Cassette |
| Tonnage | 1.5 |
| Voltage / Phase / Cycle | 208/230V / 1-Phase / 60 Hz |
| Max Fuse Breaker | 15 A |
| Min Circuit Ampacity | 3 A |
| Coverage Area | Up to 800 sq. ft. |
| Refrigerant Type | R-454B |
| Sound (dBA) | 48 / 44.5 / 41 / 27.5 / 23.5 |
| Airflow Direction | Downflow |
| Number of Speeds | 5 (Variable) |
| Oscillation | Yes |
| Lineset Fitting Type | Flare |
| Liquid / Suction Line | 1/4" / 1/2" |
| Blower Motor Speeds (CFM) | 447.3 / 338.5 / 317.8 / 194.2 / 147.2 |
| Blower Motor RPM | 800 / 750 / 700 |
| Filter Type | Reusable |
| Wi-Fi / App / iOS / Android | No / No / No / No |
| Remote Included | Yes |
| UL / CSA / ETL Listed | Yes / Yes / Yes |
| Prop 65 | Yes |
| Restricted States | GU, PR, VI |
| Net Dimensions (HxWxD) | 9.65" × 22.44" × 22.44" |
| Net / Gross Weight | 35.27 lbs / 41.89 lbs |
Warranty Information
- Limited Lifetime (see MRCOOL terms)
- 7-Year Compressor Coverage
- 5-Year Parts Warranty
- Registered Labor Warranty: None
- Base Labor Warranty: None
Manuals & Downloads
Please note: Indoor cassette must be matched with a compatible MRCOOL outdoor unit. Lineset, controls, and accessories sold separately.
