MRCOOL Olympus 4th Gen 18,000 BTU 208-230V Ducted Mini-Split Air Handler, R-454B DUCT-18HP-230B-O
MRCOOL Olympus 4th Gen 18,000 BTU 208-230V Ducted Mini-Split Air Handler, R-454B DUCT-18HP-230B-O
- Rated for spaces up to 800 sq. ft.
- Voltage: 208/230V, 1-phase, 60 Hz
- R-454B refrigerant
- Flare line set connections
- Manufacturer part number DUCT-18HP-230B-O
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Overview
The MRCOOL DUCT-18HP-230B-O is a ductless mini-split air handler from the MRCOOL Olympus Duct line. It uses R-454B refrigerant and runs on 208/230V single-phase power. MRCOOL rates it for spaces up to 800 sq. ft. Compatible MRCOOL models: O-ES-18-HP-C-230C-O1, MULTI4-27HP230C-O, MULTI5-36HP230C-O, MULTI6-48HP230C-O.
This is the indoor unit of a mini-split system. Pair it with a compatible MRCOOL condenser and line set to complete the system.
Specifications
| Model | DUCT-18HP-230B-O |
| Series | Olympus Duct |
| Nominal Tonnage | 1.5 |
| Max Coverage Area (sq. ft.) | Up to 800 |
| Voltage (V) | 208/230 |
| Phase | 1 |
| Frequency (Hz) | 60 |
| Minimum Circuit Ampacity (A) | 3 |
| Max Fuse / Breaker (A) | 15 |
| Refrigerant | R-454B |
| Blower Speeds | 600.4/559.2/500.3/441.4/441.4 |
| Sound Level (dBA) | 40/40/39/38/32 |
| Sound Level, Low (dBA) | 32 |
| Sound Level, High (dBA) | 40 |
| Line Set Connection | Flare |
| Liquid Line Size (in) | 1/4 |
| Suction Line Size (in) | 1/2 |
| Remote Control Included | Yes |
| Wi-Fi Compatible | No |
| App Control | No |
| Mount Type | Ducted |
| Color | Metal |
| Compatible With | O-ES-18-HP-C-230C-O1, MULTI4-27HP230C-O, MULTI5-36HP230C-O, MULTI6-48HP230C-O |
| Dimensions, W × H × D (in) | 34.65 × 8.27 × 26.54 |
| Net Weight (lb) | 54.45 |
| Shipping Weight (lb) | 66.14 |
| Certifications | UL Listed, ETL Listed, CSA Listed |
| Warranty | 5-Year Parts |
| Parts Warranty | 5-Year |
| Remote Warranty | 5 Year |
More Documents
Key features
- Rated for spaces up to 800 sq. ft.
- Voltage: 208/230V, 1-phase, 60 Hz
- R-454B refrigerant
- Flare line set connections
- Manufacturer part number DUCT-18HP-230B-O
Documents & downloads
Certifications
Warranty
Warranty: 5-Year Parts Parts Warranty: 5-Year Remote Warranty: 5 Year Coverage terms, registration and installation requirements are set by MRCOOL; see the MRCOOL warranty document for this model.

