Cooper & Hunter Olivia 48,000 BTU 2-Zone 12k+12k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat Pump - CH-R48MES-230VO/M12WM+M12WM-NO/NO
The Cooper & Hunter Olivia 2-Zone Mini Split System features two 12,000 BTU wall-mount zones and delivers 48,000 nominal BTU with a SEER2 rating of 24, using R454B refrigerant and built-in Wi-Fi control. It operates efficiently in heating mode down to -13°F ambient temperatures, with an outdoor unit coded CH-R48MES-230VO.
Features
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2-zone system — the CH-R48MES-230VO outdoor unit supports up to 6 indoor units, each individually controlled; port adapters included, no branch boxes required
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47,000 Btu/h rated cooling / 48,000 Btu/h rated heating — inverter range 12,000–55,000 cooling, 13,000–53,000 heating (Btu/h)
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24 SEER2 / 12.5 EER2 / 10.3 HSPF4 — current R454B-generation efficiency
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Heats down to -13°F outdoor ambient — 36,000 Btu/h rated heating at 5°F; cooling operation -13–122°F
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Wi-Fi Smart Kit built in — Cooper & Hunter app control; remote control included with each indoor unit; compatible with C&H 12V wall thermostat (sold separately)
- ETL listed, AHRI certified, Energy Star Cold Climate & NEEP listed
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Outdoor unit (condenser): CH-R48MES-230VO — 48,000 BTU multi-zone R454B outdoor unit, pre-charged for up to 150 ft of line
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Zone 1 — Wall Mount (Olivia): CH-R12MOLVWM-230VI (12,000 Btu/h) with remote control
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Zone 2 — Wall Mount (Olivia): CH-R12MOLVWM-230VI (12,000 Btu/h) with remote control
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Wi-Fi Smart Kit (built in) for app control
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Installation kits — choose 16 ft, 25 ft, or 50 ft per zone: copper line set, communication cable, and drain line
Specifications
| Power Supply |
208/230V, 1 Ph, 60 Hz (voltage range 187-253V) |
| Cooling — Rated Capacity (Range) |
60,000 Btu/h (19,000–62,000) |
| Heating at 47°F — Rated Capacity (Range) |
60,000 Btu/h (20,000–60,000) |
| Rated Heating at 5°F |
39,000 Btu/h |
| SEER2 / EER2 |
22 / 10 |
| HSPF4 / HSPF5 / COP (47°F) |
9.5 / 7.4 / 3.7 |
| Outdoor Unit MCA / Max. Fuse |
36 A / 40 A |
| Max. Connectable Indoor Units |
6 |
| Outdoor Noise Level |
65 dB(A) |
| Outdoor Unit Dimensions (W×D×H) |
37.48 × 16.34 × 52.48 in |
| Outdoor Unit Net / Gross Weight |
237.88 / 270.28 lbs |
| Refrigerant Type / Charge |
R454B / 151.68 oz |
| Pre-charged Line Length |
150 ft (add 0.16 oz/ft for 1/4 in liquid pipe / 0.32 oz/ft for 3/8 in liquid pipe) |
| Max. Total Pipe Length / Max. to One Indoor |
262.4 ft / 114.8 ft |
| Max. Height Difference (Indoor–Outdoor / Between Indoors) |
49.2 ft / 33 ft |
| Operating Range — Cooling / Heating |
-13–122°F / -13–75°F outdoor ambient |
What our Experts Think
Q&A
Q: What areas can this mini split system heat and cool?
A: This 48,000 BTU dual-zone system includes two 12,000 BTU indoor units, making it ideal for independently conditioning two medium-sized rooms.
Q: Can each zone have its own temperature setting?
A: Yes. Each indoor unit features independent temperature control for personalized comfort in every room.
Q: Does this system provide both heating and cooling?
A: Yes. The heat pump system delivers efficient year-round cooling and heating.
Q: What refrigerant does this system use?
A: It uses R454B refrigerant, designed for improved energy efficiency and reduced environmental impact.
Q: Is this system energy efficient?
A: Yes. Inverter technology automatically adjusts compressor speed to help reduce energy consumption while maintaining consistent indoor comfort.
Maintenance Tips
Damage 
Loss 
Theft 
