Weekend Discovery｜MRCOOL® Olympus 9,000 BTU 3/4 Ton Ductless Mini Split Wall Mounted Air Handler 230V/60Hz, O-09-HP-WMAH-230C-O (NON-DIY)

DESCRIPTION
The MRCOOL® OLYMPUS ESTAR® 9k Series air handler provides reliable heating and cooling for spaces up to 350 square feet, making it ideal for bedrooms, offices, or garages. Compact and easy to install, it offers smart Wi-Fi control through the MRCOOL® Smart HVAC app, plus a handheld remote for quick adjustments. With high-efficiency ratings—SEER2 27.4, EER2 15.4, and HSPF2-4 12.5—you can enjoy year-round comfort while saving on energy costs. Operating quietly at just 38 dB and using eco-friendly R-454B refrigerant, this unit combines powerful performance with modern convenience. It’s also compatible with Amazon Alexa and Google Assistant and backed by an industry-leading warranty for long-lasting reliability.

Compact Design: Perfect for smaller spaces up to 350 sq. ft., offering efficient comfort for bedrooms, offices, and garages.

Smart Control: Wi-Fi compatible with the MRCOOL® Smart HVAC app for remote access from your smartphone or tablet.

Voice Compatibility: Works seamlessly with Amazon Alexa and Google Assistant for hands-free operation.

Energy Efficient: Delivers SEER2 27.4, EER2 15.4, and HSPF2-4 12.5 performance ratings for lower utility costs.

Quiet Operation: Operates at a low 38 dB noise level, maintaining comfort without distraction.

Eco-Friendly Refrigerant: Uses R-454B, a next-generation refrigerant with reduced environmental impact.

Flexible Control Options: Includes a remote control for convenient manual operation.

Reliable Warranty: Covered by a 5-year parts warranty

SPECIFICATIONS & DIMENSIONS

DIMENSIONS

Dimensions
33.74" W x 9.09" D x 11.81" H

Mount Type
Wall

Weight
23.37 lbs

 

CAPACITY & PERFORMANCE

Tonnage
3/4 Ton

Capacity
9,000 BTU

Coverage Area
151 to 350 sq ft.

ELECTRICAL REQUIREMENTS

Voltage
208-230V

Phase
1

Cycle
60 Hz

Max Fuse Breaker
15A

Min Circuit Ampacity
3A

Coverage may vary by insulation, climate, and ceiling height.
 

DIMENSIONS

Dimensions
33.74" W x 9.09" D x 11.81" H

Mount Type
Wall

Weight
23.37 lbs

CAPACITY & PERFORMANCE

Tonnage
3/4 Ton

Capacity
9,000 BTU

Coverage Area
151 to 350 sq ft.

ELECTRICAL REQUIREMENTS

Voltage
208-230V

Phase
1

Cycle
60 Hz

Max Fuse Breaker
15A

Min Circuit Ampacity
3A

REFRIGERANT & PIPING

Refrigerant Type
R-454B

Liquid Line Size
1/4"

Suction Line Size
3/8"

 

FEATURES

Fan Only Option
Yes

Quiet Mode
Yes

Auto Cool
Yes

Wifi Compatibility
Yes

App Compatibility
Yes

Works with IOS
Yes

Works with Android
Yes

Remote Control Included
Yes

 

CERTIFICATION & WARRANTY

Certifications
UL Listed, ETL Listed, AHRI Certified

Warranty
5 Year Parts

 
Professional Installation Required
As a traditional Olympus model, this air handler requires licensed HVAC installation. Proper vacuuming and nitrogen testing before releasing refrigerant ensures peak efficiency and protects the factory warranty

 
 
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