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MRCOOL Olympus Cassette 9,000 BTU (3/4 Ton) โ CASSETTE09HP-230C-P-O
Overview
The MRCOOLยฎ OLYMPUS 9K CASSETTE provides dependable heating and cooling for spaces up to 400 sq. ft., perfect for bedrooms, home offices, and other compact areas. It installs flush in the ceiling for a clean, modern look that frees up wall space. Operating as quietly as 24 dB, it maintains a peaceful environment while delivering steady comfort. Using R-454B refrigerant with low GWP, it balances performance with environmental responsibility. Backed by a limited lifetime warranty, 7-year compressor coverage, and a 5-year parts warranty, itโs a reliable, efficient, and stylish solution.
Quick Facts
- Capacity: 9,000 BTU (3/4 Ton)
- Coverage: Up to 400 sq. ft.
- Refrigerant: R-454B
- Voltage/Phase/Frequency: 208/230V, 1-Phase, 60 Hz
- Sound: 42.5 / 40 / 37.5 / 26 / 24 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-09-HP-C-230C-O1, MULTI3-18HP230C-O, MULTI4-27HP230C-O, MULTI5-36HP230C-O, MULTI6-48HP230C-O
Included in Your Order
- MRCOOL Olympus 9K Cassette โ Model: CASSETTE09HP-230C-P-O
- Ceiling Cassette Panel
- Remote Control
- Installation Manual
- Ownerโs & Service Information
Lineset, outdoor unit, and accessories sold separately.
Key Features
- Flush-mount ceiling cassette for a sleek, space-saving installation
- Ultra-quiet operation down to 24 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 | CASSETTE09HP-230C-P-O |
| GTIN / UPC | 00840255587945 / 840255587945 |
| Unit Type | Mini-Split Ceiling Cassette |
| Tonnage | 0.75 |
| Voltage / Phase / Cycle | 208/230V / 1-Phase / 60 Hz |
| Max Fuse Breaker | 15 A |
| Min Circuit Ampacity | 3 A |
| Coverage Area | Up to 400 sq. ft. |
| Refrigerant Type | R-454B |
| Sound (dBA) | 42.5 / 40 / 37.5 / 26 / 24 |
| Airflow Direction | Downflow |
| Number of Speeds | 5 (Variable) |
| Oscillation | Yes |
| Lineset Fitting Type | Flare |
| Liquid / Suction Line | 1/4" / 3/8" |
| Blower Motor Speeds (CFM) | 353.2 / 312 / 264.9 / 182.5 / 147.2 |
| Blower Motor RPM | 600 / 530 / 380 |
| 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" ร 22.44" ร 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.
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We will prepare your order within 24 hours if itโs received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map
IMPORTANT DELIVERY INFORMATION: Please be kindly informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery. To AVOID delays, please check if the provided phone number in the order details is a current number where you can be reached. You can also contact the carrier directly and refer to your tracking number to set up a date and time for your appointment. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. PLEASE verify your shipping address, as changes to the address after freight has shipped can result in an additional 15% or higher fee depending on freight weight and dimensions.
SMALLWARES INFORMATION: Please be informed that for smaller items, such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves, when these items are ordered individually, they may be shipped via FedEx without a signature requirement. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING: Please inspect your boxes thoroughly when you receive them. They should arrive shrink-wrapped and on a pallet. If you notice any damages or imperfections (e.g. crushed box or forklift hole), please write comments on the receipt before signing for delivery, no matter how small damages seem. Contact us immediately to assist you.
Shipping & Delivery
We will prepare your order within 24โ48 hours if itโs received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map
IMPORTANT DELIVERY INFORMATION
Please be informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery.
To AVOID delays, please make sure the phone number in your order details is accurate and one where you can be reached. You may also contact the carrier directly using your tracking number to schedule your delivery.
It is your responsibility to ensure a safe and secure delivery environment. We are not liable for any packages that are stolen or lost after delivery is confirmed.
Please verify your shipping address carefully. Changes to your shipping address after the freight has been shipped may result in additional fees of 15% or more, depending on freight weight and dimensions.
SMALLWARES INFORMATION
Smaller items such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves may be shipped via FedEx without a signature requirement if ordered individually.
It is your responsibility to ensure a safe delivery location. We are not liable for packages lost or stolen after delivery confirmation. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING
Please inspect your boxes carefully upon delivery. Shipments should arrive shrink-wrapped and on a pallet. If you notice any damage or signs of mishandling (such as a crushed box or forklift puncture), write comments on the delivery receipt before signing, even if the damage appears minor.
Contact us immediately if any issues arise so we can assist you promptly.
SMS Delivery Notifications
If you opted into SMS notifications, we may send you order updates or delivery reminders by text message. Message frequency may vary. Message and data rates may apply. Text STOP to opt out. Text HELP for assistance.
For more details, see our Privacy Policy.
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