Cooper&Hunter Olivia Midnight 2-Zone Ductless Mini Split AC & Heat Pump 28000 BTU (12K+12K), Wall Mount Units, 230V
The Cooper & Hunter Olivia Midnight Series system pairs a 28000 BTU outdoor unit with CH-R28MES-230VO + 2X CH-RB12MOLVWM-230VI Olivia Midnight (black) wall-mounted indoor units. This high-efficiency DC inverter heat pump delivers zoned comfort in 2 zones and supports low-ambient heating & cooling down to -13 F.
Key features
Comfort & airflow
- 2-zone independent temperature control
- Auto-swing louvers for broad air distribution
- Multiple fan speeds (LOW / MED / HI / TURBO)
- Turbo mode for rapid cooling/heating
- Follow Me mode (remote-based temperature sensing)
- Timer On/Off scheduling + Sleep mode
- LED display (model-dependent)
Efficiency & protection
- High efficiency operation (up to 25 SEER2)
- Low-ambient performance down to -13 F
- 46°F Freeze Protection
- Self-clean function (single-zone models only, if equipped)
- Eco mode (single-zone models only, if equipped)
Build & materials
- TU1 copper tubes for durability and heat transfer
- Genius Core ultra-low compressor speed (12Hz) for quiet, stable operation
- Quiet operation (Outdoor as low as 61 dB(A); Indoor as low as 25 dB(A))
At-a-glance
2 zones
28000
25
-13 F
61 dB(A)
25 dB(A)
CH-R28MES-230VO
Smart Kit Included
Warranty requires licensed HVAC installation and registration within 60 days (if required).
Control options
- Smart Kit included with downloadable C&H app
- Remote control included (new user-friendly design)
- 12V wall thermostat compatible (purchased separately)
Outdoor technology
- High-Frequency Racer Technology: helps the compressor reach maximum speed within ~6 seconds on startup
- Electronic expansion valve: optimizes refrigerant flow management
- Intelligent dusting switch: reverses the fan to help clear dust/sand/debris from the coil
- Genius Core ultra-low compressor speed of 12Hz
Installation & electrical
- Indoor line sizes (varies by head): 1/4"/3/8"
- Refrigerant precharge: 100
- Additional refrigerant charge (1/4 liquid line): 0.16
- Additional refrigerant charge (3/8 liquid line): 0.32
- Minimum circuit ampacity: 23
- Max fuse / breaker: 25
Use the installation manual to confirm charge units and when additional charge is required (based on line length and piping configuration).
Product video
What’s included
Cooper & Hunter Olivia Midnight Series Ductless Mini Split System
Outdoor Unit: 28000 BTU (1 pc) — Model: CH-R28MES-230VO
Indoor Units:
- 12,000 BTU (x2) — Model: CH-RB12MOLVWM-230VI
- Installation Kits options (No Installation / 16 ft / 25 ft / 50 ft)
- (INSTALLATION KIT SIZE MUST BE SELECTED, TO INCLUDE)
- Wireless Remote Controls (2 remotes)
- Smart Kit Included
- Installation Manual
- User's Manual
- Manufacturer Warranty
Complete technical specifications — Indoor
Indoor Unit Specifications — CH-RB12MOLVWM-230VI
| Refrigerant type | R454B |
|---|---|
| System type | Single/Multi-zone unit |
| BTU Rated | 12,000 |
| Power source | 208-230V, 1Ph, 60Hz |
| Dehumidification value (pnt/day) | 2.83 |
| Voltage range (V) | 187-253 |
| Packing dimensions (WxDxH) | 34.45x11.22x14.96 |
| Controller | RG10K-exclusive remote |
| Refrigerant piping Liquid/Gas side (inch) | 1/4"/3/8" |
| EER2 | 13 |
| SEER2 | 23.1 |
| Unit Net/Gross weight | 18.74/24.25 |
| Unit dimensions (W*H*D) | 31.57x7.87x11.61 |
| Operation Range - Heating | 32~86 |
| Operation Range - Cooling | 60~90 |
| Minimum circuit ampacity | 3 |
| Max.fuse | 15 |
| Indoor Noise Level H/M/L | 42/36/25 |
| Indoor Air Flow | 341.18/291.18/194.12/152.94 |
| Drainage water pipe diameter | 5/8" |
Submittals
Complete technical specifications — Outdoor
Outdoor Unit Specifications — CH-R28MES-230VO
| Refrigerant type | R454B |
|---|---|
| System type | Multi-zone unit |
| Power source | 208-230V, 1Ph, 60Hz |
| Dehumidification value (pnt/day) | 1.69 |
| Voltage range (V) | 187-253 |
| Packing dimensions (WxDxH) | 42.91 x 19.68 x 34.84 |
| Refrigerant piping Liquid/Gas side (inch) | 4x1/4" - 3x3/8"+1x1/2" |
| HSPF2-5 | 7.4 |
| HSPF2-4 | 9.5 |
| EER2 | 13 |
| Cooling capacity (Min/Max) (BTU/h) | 27,000(7,200~32,000) |
| SEER2 | 25 |
| Unit Net/Gross weight | 138.89/149.69 |
| Unit dimensions (W*H*D) | 37.24 x 16.14 x 31.89 |
| Refrigerant precharge | 100 |
| Outdoor Noise Level | 61 |
| Outdoor Air Flow | 2,130.7 |
| Minimum circuit ampacity | 23 |
| Max.fuse | 25 |
| Max height difference between Indoor and Outdoor unit | 49.2 |
| Heating capacity (Min/Max) (Btu/h) | 27,000(8,400~29,000) |
| COP | 3.8 |
| Ambient temperature - Heating (F) | -13~75 |
| Ambient temperature - Cooling (F) | -13~122 |
| Additional Refrigerant Charge 3/8 liquid line | 0.32 |
| Additional Refrigerant Charge 1/4 liquid line | 0.16 |
Manuals
Submittals
- https://media.cooperandhunter.us/4445/CH-R28MES-230VO.pdf
- https://media.cooperandhunter.us/4446/CH-R28MES-230VO-non.pdf
Documents
Warranty information
- 7-Year Compressor Warranty
- 5-Year Parts Warranty
- 1-Year Remote Control Warranty
Note: Warranty valid only when installed by a licensed HVAC technician and registered within 60 days of installation.
Summary
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Transform your home's climate control with the Cooper & Hunter Olivia Midnight wall mounted mini split (R454B refrigerant). The midnight black indoor unit delivers modern style with advanced comfort features, including auto-swing louvers, Turbo mode, Follow Me temperature sensing, and Smart Kit app control. Designed for quiet, efficient performance (up to 25 SEER2), it supports low-ambient operation down to -13 F and in
