Olmo Sierra 3-Zone Ductless Mini Split AC & Heat Pump 24000 BTU (9K+12K+12K), Wall Mount Units, 230V - R410A
The OLMO Sierra Multi-Zone can be used in multiple combinations with Olmo Multi-Sierra wall mounted units in up to 3 independent zone(s). Featuring inverter technology, this heat pump offers up to 22 SEER2 ratings for efficient cooling and heating. With Smart Connect included, you can independently control comfort from anywhere using the app. A remote control is also included with features such as Sleep, Turbo, and Eco modes, multiple fan speeds, timer functions, and auto swing louvers.
Features
- Remote Control Included
- Smart Connect from anywhere (app control)
- Comfortable Sleep Mode
- Turbo and Eco Modes
- Multiple Fan Speeds
- Timer
- Louver Auto Swing
- Self Clean Mode
- LED Display
Features can vary by matched indoor unit model/configuration.
At-a-glance
3 room(s)
24000
22
R410A
OS-MSR24-230VO
App + Remote
Video
Optional overview video.
What’s included
Outdoor Unit: 24000 BTU (1 pc) — Model: OS-MSR24-230VO
Indoor Units:
- 9,000 BTU (x1) — Model: OS-M09SRW-230VI
- 12,000 BTU (x2) — Model: OS-M12SRW-230VI
- Installation Kits options (No Installation / 16 ft / 25 ft / 50 ft)
- (INSTALLATION KIT SIZE MUST BE SELECTED, TO INCLUDE)
- Wireless remote controls (3 remote(s))
- Smart Connect module (if included with this configuration)
- Installation manual
- User’s manual
- Manufacturer warranty
If you choose a “NO INSTALLATION KIT” option, the order will not include copper line sets or communication wire, which are required for installation.
Technical specifications — Indoor
Indoor Unit Specifications — OS-M09SRW-230VI
| Refrigerant piping Liquid/Gas side (inch) | 1/4-3/8 |
|---|---|
| Voltage range (V) | 187-253 |
| Packing dimensions (WxDxH) | 39.38x13.19x6.38 |
| BTU Rated | 9,000 |
| Unit Net/Gross weight | 19.84/24.25 |
| Unit dimensions (W*H*D) | 32.02x10.75x8.13 |
| Power source | 208-230V, 1Ph, 60Hz |
| Indoor Noise Level H/M/L | 39/35/30 |
Indoor Unit Specifications — OS-M12SRW-230VI
| Refrigerant piping Liquid/Gas side (inch) | 1/4-3/8 |
|---|---|
| Voltage range (V) | 187-253 |
| Packing dimensions (WxDxH) | 39.38x13.19x6.38 |
| BTU Rated | 12,000 |
| Unit Net/Gross weight | 19.84/24.25 |
| Unit dimensions (W*H*D) | 37.38x10.75x8.13 |
| Power source | 208-230V, 1Ph, 60Hz |
| Indoor Noise Level H/M/L | 39/35/30 |
Manuals
- https://api.olmo-comfort.com/storage/342/Multi-SIERRA-IDU-User-and-Installation-Manual.pdf
- https://api.olmo-comfort.com/storage/344/Multi-SIERRA-Remote-control-manual.pdf
- https://api.olmo-comfort.com/storage/426/SIERRA-WiFi-Manual.pdf
- https://api.olmo-comfort.com/storage/405/Olmo-MultiSierra-Leaflet-2024.pdf
- https://api.olmo-comfort.com/storage/380/OLMO-Catalog-2024.pdf
Technical specifications — Outdoor
Outdoor Unit Specifications — OS-MSR24-230VO
| Voltage range (V) | 198~253 |
|---|---|
| System type | Multi-zone unit |
| SEER2 up to | 22 |
| Refrigerant type | R410A |
| Refrigerant piping Liquid/Gas side (inch) | 1/4"/3/8" |
| Packing dimensions (WxDxH) | 43-3/4x18-1/8x36-1/4 |
| Max. pipe length (ft) | 66/197 |
| HSPF2-5 | 9.17 |
| HSPF2-4 | 11.21 |
| EER2 up to | 12.5 |
| Unit Net/Gross weight | 158.7/169.5 |
| Unit dimensions (W*H*D) | 37-3/8x33x13-3/8 |
| Refrigerant precharge | 25 |
| Power source | 208-230V, 1Ph, 60Hz |
| Outdoor Noise Level | 59 |
| Outdoor Air Flow | 2.35 |
| Minimum circuit ampacity | 25 |
| Max.fuse | 30 |
| Max height difference between Indoor and Outdoor unit | 15 |
| Heating Capacity at 47°F | 24,000 |
| COP | 3.66 |
| Cooling Capacity (nominal) | 24,000 |
| Ambient temperature - Heating | -13~75.2 |
| Ambient temperature - Cooling | 14~114.8 |
| Additional Refrigerant Charge 3/8 liquid line | 0.16 |
| Additional Refrigerant Charge 1/4 liquid line | 0.16 |
Manuals
- https://api.olmo-comfort.com/storage/343/Multi-SIERRA-ODU-User-and-Installation-Manual.pdf
- https://api.olmo-comfort.com/storage/405/Olmo-MultiSierra-Leaflet-2024.pdf
- https://api.olmo-comfort.com/storage/406/Olmo-MultiSierra-Leaflet-2024.pdf
- https://api.olmo-comfort.com/storage/380/OLMO-Catalog-2024.pdf
Warranty information
- 5-Year Compressor Warranty
- 2-Year Parts Warranty (must be installed by a licensed HVAC technician)
- 1-Year Remote Control Warranty
Warranty is valid only when installed by a licensed HVAC professional and registered within 60 days of installation.
Important
All units must be installed by a licensed HVAC professional for the warranty to be valid. Registration is required within 60 days of installation and can be completed online or by phone. The installation kit is necessary for the system to function. Ensure you’ve selected the desired installation kit above.
Full description
Expand
The OLMO Sierra Multi-Zone system supports flexible comfort across up to 3 independent zones using compatible Olmo Multi-Sierra wall mounted indoor units. Inverter-driven performance delivers efficient heating and cooling with up to 22 SEER2.
Smart Connect enables app control from anywhere, while the included remote(s) provide quick access to Sleep, Turbo, and Eco modes, multiple fan speeds, timer functions, auto swing louvers, Self Clean mode, and an LED display.
