OLMO's Multi-Zone Sierra Series is a versatile HVAC solution designed to provide efficient heating and cooling for multiple rooms, equipped with advanced inverter technology for precise temperature control and significant energy savings. Using eco-friendly R410A refrigerant, the system ensures reliable performance with minimal environmental impact. Perfect for residential or commercial applications, the Sierra Series offers quiet operation, flexible installation, and user-friendly controls, making it an ideal choice for maintaining year-round comfort across multiple zones with one efficient system.
Warranty and Tech Support Info
By selecting OLMO products for your home or business, you’ll receive expert technical support from heating and cooling specialist, including access to product manuals, troubleshooting guides and warranty information.
The manufacturer provides a Limited Warranty of 5 years for the compressor and 2 years for parts.
OLMO's Multi-Zone Sierra Series delivers efficient multi-room comfort with advanced inverter technology for precise temperature control. Its eco-friendly R410A refrigerant reduces environmental impact, while quiet operation ensures minimal disruption. With flexible installation options, sleek design, and reliable heating and cooling, it’s the perfect solution for modern multi-zone climate control needs.
Technical Specifications
Indoor Models
OS-M09SRW-230VI
OS-M12SRW-230VI
OS-M18SRW-230VI
OS-M24SRW-230VI
Power Supply V-Ph-Hz
208/230V-1Ph-60
208/230V-1Ph-60
208/230V-1Ph-60
208/230V-1Ph-60
Cooling
Capacity Btu/h
9000
12000
18000
23400
Heating
Rated Capacity Btu/h
9500
13000
19000
26000
Output Power W
25
25
35
35
Rated Current A
0.11
0.11
0.17
0.17
Indoor Air Flow CFM
341
365
647
706
Indoor Noise Level (Hi/Mi/Lo) dB(A)
39/35/30
39/35/30
45/41/37
47/45/42
Net Dimensions (WxHxD) in
32.02x10.75x8.13
37.38x10.75x8.13
48x12.63x9.25
48x12.63x9.25
Packing (WxHxD) in
39.38x13.19x6.38
39.38x13.19x6.38
51.75x15.44x12.50
51.75x15.44x12.50
Net/Gross Weight lbs
19.84 / 24.25
19.84 / 24.25
31.97 / 37.48
31.97 / 37.48
Refrigerant Piping
Liquid Side / Gas Side in
1/4" / 3/8"
1/4" / 3/8"
1/4" / 1/2"
3/8" / 5/8"
Outdoor Models
OS-MSR18-230VO
OS-MSR24-230VO
OS-MSR36-230VO
OS-MSR42-230VO
Power Supply V-Ph-Hz
208/230V-1Ph-60
208/230V-1Ph-60
208/230V-1Ph-60
208/230V-1Ph-60
Capacity Btu/h
18000
24000
32000
42000
Cooling
EER2 Btu/h
12.5
12.5
12.5
10.5
SEER2 Btu/h
21.0
22.0
21.0
20.0
Heating
Rated Capacity Btu/h
18000
24000
36000
42000
HSPF2 Btu/h
9.50
9.05
9.00
8.95
COP2 W/W
3.45
3.66
3.37
3.17
Minimum Circuit Ampacity A
23
25
32.2
35
Max Fuse A
30
30
50
50
Outdoor Air Flow (Hi) CFM
1850
2350
3411
3411
Outdoor Side Noise Level dB(A)
55
55
59
63
Dimensions (WxHxD) in
33.88×26.38×12.25
37.38×33×13.38
37.38×41.38×13.38
37.38×41.38×13.38
Outdoor Unit Packing (WxHxD) in
39×17.75×28.75
43.75×18.13×36.25
43.75×18.13×47.25
43.75×18.13×47.25
Net/Gross Weight lbs
116.8/125.6
158.7/169.5
188.5/220.5
198.4/224.5
Refrigerant
Refrigerant Type/Quantity oz
R410A/63.49
R410A/81.13
R410A/105.82
R410A/120
Refrigerant Precharge ft
50
75
98
98
Refrigerant Piping
Liquid Side / Gas Side in
1/4" / 3/8"
1/4" / 3/8"
1/4" / 3/8"
1/4" / 3/8"
Max Refrigerant Pipe Length Each/Total ft
82/164
66/197
66/246
66/262
Ambient Temperature
Outdoor (Cooling) °F
14~114.8
14~114.8
14~114.8
14~114.8
Outdoor (Heating) °F
-13~75.2
-13~75.2
-13~75.2
-4~75.2
Multiple Control
Methods
Olmo’s can be managed with a user-friendly remote control. This options offer precise temperature adjustments and optimal climate control for ultimate convenience.
Frequently Asked Questions
What size mini split do I need for my space?
The Olmo Sierra 42,000 BTU model is designed to cover a substantial area, making it suitable for larger spaces. Depending on your specific layout and insulation, this unit can effectively cool or heat rooms of varying sizes.
Can I install the Olmo mini split myself?
While it is possible to install the Olmo Sierra ductless mini split yourself, professional installation is recommended for optimal performance. If you opt for a DIY approach, ensure you have the necessary tools and skills to handle the refrigerant lines and electrical connections safely.
Does the Olmo mini split come pre-charged with refrigerant?
Yes, the Olmo Sierra mini split comes pre-charged with R410A refrigerant for up to 25 ft of line set, simplifying installation. This feature ensures that you have the right amount of refrigerant for efficient operation right out of the box.
What voltage does the Olmo mini split require?
The Olmo Sierra unit operates on a 230V power supply, making it compatible with standard residential electrical systems in many areas. Ensure your electrical setup can accommodate this voltage for optimal performance.
What warranty does the Olmo Sierra mini split offer?
The Olmo Sierra comes with an impressive 5-year parts and compressor warranty, providing peace of mind regarding the unit's durability and reliability. This warranty covers essential components, ensuring that you are protected against manufacturing defects.
What SEER rating does the Olmo Sierra have and is it efficient?
The Olmo Sierra boasts a high SEER rating of 23.4, indicating its excellent energy efficiency. This level of efficiency can lead to lower energy bills and a reduced environmental impact when cooling or heating your space.
Latest News
If you're thinking about turning your home into a smart home, you're not alone.
Cooper & Hunter MIA 6,000 BTU Single Zone Wall Mount, 115V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree Shipping115V21.5 SEERWall MountR454BFrom $820.80 /83 in stock
Cooper & Hunter Olivia Hyper Heat 6,000 BTU Single Zone Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree Shipping230V25.3 SEERWall MountR454BFrom $1,354.94 /199 in stock
Cooper & Hunter Hyper Heat Sophia 6,000 BTU Single Zone One-Way Ceiling Cassette, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included230V22.0 SEER1 Way Ceiling CassetteR454BFrom $2,239.76 /100 in stock
