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Home > MRCOOL > MRCOOL Olympus 4th Gen 18,000 BTU 3-Zone Mini Split Condenser, 25.1 SEER2, 1.5 Ton - 230V/60Hz
MRCOOL Olympus 4th Gen 18,000 BTU 3-zone mini split condenser, 230V

MRCOOL Olympus 4th Gen 18,000 BTU 3-Zone Mini Split Condenser, 25.1 SEER2, 1.5 Ton - 230V/60Hz

MRCOOL  | Authorized Dealer  |  SKU: MULTI3-18HP230C-O
$1,999.95

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The MRCOOL Olympus 4th Gen MULTI3-18HP230C-O is an 18,000 BTU multi-zone heat pump condenser that conditions up to three indoor zones from a single outdoor unit. Advanced twin-rotary DC inverter technology holds each zone at its own setpoint while sipping power — up to 25.1 SEER2 — and keeps heating down to 5°F outdoor temperature.

Mix and match wall-mount, ceiling cassette, and concealed duct indoor units to suit the space. Control everything from the MRCOOL SmartHVAC app, the included remotes, or by voice through Amazon Alexa and Google Assistant.

Highlights

  • 18,000 BTU cooling / 19,000 BTU heating — 1.5 ton, covers up to 750 sq. ft.
  • Supports up to 3 indoor zones from one condenser
  • Up to 25.1 SEER2, 14 EER2, 9.8 HSPF2 (Region 4)
  • Twin-rotary DC inverter compressor — quiet 59.5 dB(A) operation
  • Heats reliably down to 5°F outdoor temperature
  • Next-gen R-454B refrigerant (low-GWP)
  • Wi-Fi ready — MRCOOL SmartHVAC app, Alexa and Google Assistant
  • Works with wall-mount, cassette, and concealed duct indoor units

Specifications

Model MULTI3-18HP230C-O
Cooling Capacity 18,000 BTU/h
Heating Capacity 19,000 BTU/h
Tonnage 1.5 Ton
Zones Supported Up to 3
SEER2 Up to 25.1
EER2 Up to 14
HSPF2 (Region 4 / 5) 9.8 / 7.8
Power Supply 208/230V, 1 Phase, 60 Hz
Min. Circuit Ampacity 16 A
Max. Fuse / Breaker 20 A
Refrigerant R-454B, 61.73 oz factory charge
Max. Total Lineset Length 196.8 ft
Line Sizes Liquid 3/4 in. · Suction 3/8 in. (flare fittings)
Compressor Twin-rotary DC inverter
Metering Device EXV + Capillary
Fan Motor Speeds 750 / 600 / 500 RPM
Sound Level 59.5 dB(A)
Min. Operating Temp (Heat) 5°F
Net Dimensions (W x H x D) 35.04" x 26.5" x 13.46"
Net Weight 100.53 lbs
Shipping Dimensions 40.55" x 29.53" x 17.24"
Shipping Weight 109.35 lbs
Certifications UL, CSA, ETL, ENERGY STAR, AHRI Certified

Compatible Indoor Units

Pair with MRCOOL Olympus 4th Gen indoor units, including O-09-HP-WMAH-230C-O, O-12-HP-WMAH-230C-O, DUCT-09HP-230B-O, CASSETTE-09HP-230C-O, and CASSETTE-12HP-230C-O.

Warranty

  • 7-year compressor warranty
  • 5-year parts warranty
  • 5-year remote warranty

Warranty requires professional installation and product registration.

Shipping

Ships free curbside via freight carrier. Returns accepted within 30 days of delivery; item must be unused, uninstalled, and in original packaging.

Prop 65 Warning: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Not available for sale in Guam (GU), Puerto Rico (PR), or the U.S. Virgin Islands (VI).

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