4 Zone 42,000 BTU OLMO Series Ductless Mini Split AC Wall Mounted 9k+9k+18k+24k | No Kit

OLMO

OS-RMS42-230VOM09SRWM09SRWM18SRWM24SRW-NO
Product specifications
Brand Olmo
Voltage 230V
SEER 21
WiFi Included
Zone Four Zone
Type Wall Mount
Freon R454B
Compressor Inverter
$3,822.00
Shipping Policy calculated at checkout.
All Zones Installation Kit: No Installation Kit

Pickup available at 3550 Northwest 113th Court

Usually ready in 2-4 days

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All Zones Installation Kit
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TrustScore 4.8

Sierra Wall Mount

OLMO's Multi-Zone Sierra Series is a versatile HVAC solution that provides efficient heating and cooling for multiple rooms, featuring advanced inverter technology for precise temperature control and significant energy savings. Using eco-friendly R410A refrigerant, the system delivers reliable performance with minimal environmental impact. Ideal for both residential and commercial applications, the Sierra Series combines quiet operation, flexible installation, and user-friendly controls, making it a perfect choice for maintaining year-round comfort across multiple zones with one efficient system.

White multi-zone sierra air conditioner with shield logo and checkmark.

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.

Warranty terms
White wall-mounted air conditioner with sleek design and modern aesthetic.

Main Features

OLMO's Multi-Zone Sierra Series delivers efficient multi-room comfort with advanced inverter technology for precise temperature control. Its eco-friendly R454B 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.

All Accessories Included

With your purchase, you receive a comprehensive MiniSplit system. MiniSplits4Less ensures you have everything needed for a seamless installation. Your package includes an Indoor Unit, Outdoor Unit, Remote Control, Manuals, optional LineSet, and a Smartkit (WIFI). We've meticulously thought of every detail to provide you with all the essentials for your installation.

Technical Specifications

Indoor Models OS-RM09SW-230VI OS-RM12SW-230VI OS-RM18SW-230VI OS-RM24SW-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-RMS18-230VO OS-RMS24-230VO OS-RMS36-230VO OS-RMS42-230VO
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) 18000 27000 36000 42000
EER2 13.33 12.85 12.85 12.0
SEER2 22.0 23.0 22.0 22.0
Heating Rated Capacity (Btu/h) 18000 27000 36000 36000
HSPF2 10.0 10.0 10.0 9.5
COP2 (W/W) 3.82 3.60 3.91 3.60
Max Fuse (A) 30 40 50 60
Outdoor Air Flow (Hi) (CFM) 1850 3357 3357 3357
Outdoor Side Noise Level (dB(A)) 55 62 64 64
Dimensions (WxHxD) (in) 33.88x26.38x12.25 38.38x32.88x14.12 38.38x32.88x14.12 38.38x32.88x14.12
Outdoor Unit Packing (WxHxD) (in) 39x28.75x17.75 43.75x37.75x18.12 43.75x37.75x18.12 43.75x37.75x18.12
Net/Gross Weight (lbs) 101.4/112.4 160.6/183.2 169.8/191.8 172/194
Refrigerant Type/Quantity (oz) R454B/51.15 R454B/76.2 R454B/105.8 R454B/105.8
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 82/230 82/230 82/262
Ambient Outdoor (Cooling) (°F) 5~125 5~125 5~125 5~125
Ambient Outdoor (Heating) (°F) -13~75 -13~75 -13~75 4~75

Multiple Control Methods

Olmo’s Multi-Zone Sierra Series can be managed with a user-friendly remote control and the. This options offer precise temperature adjustments and optimal climate control for ultimate convenience.

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Frequently Asked Questions

How many rooms can the Olmo 4 Zone 42,000 BTU mini split cool?

The Olmo 4 Zone mini split system can effectively cool up to four separate rooms, as it is designed to provide targeted comfort with its 42,000 BTU capacity. Each zone can be individually controlled, making it ideal for varying preferences across different spaces.

Can I mix BTU sizes in the Olmo multi-zone system?

Yes, you can mix BTU sizes in the Olmo 4 Zone system, allowing for optimal customization based on room sizes. The configuration of 9k, 9k, 18k, and 24k BTUs ensures that each area receives appropriate cooling based on its specific needs.

Do all zones run simultaneously in the Olmo mini split system?

In the Olmo 4 Zone system, not all zones need to run simultaneously; you can independently control each zone's operation. This feature helps save energy while allowing you to tailor comfort levels based on occupancy.

Is the Olmo 42,000 BTU mini split more efficient than multiple single-zone units?

The Olmo 4 Zone mini split, with a SEER rating of 21.0, offers superior efficiency compared to several single-zone units, reducing energy consumption and overall operating costs. This high efficiency makes it a smart choice for managing climate control across multiple spaces.

What warranty does the Olmo mini split system offer?

The Olmo mini split system comes with a 5-year parts and compressor warranty, providing assurance of its durability and performance. This warranty covers any manufacturing defects and ensures you have support if issues arise within the warranty period.

Does the Olmo mini split come pre-charged with refrigerant?

Yes, the Olmo 4 Zone mini split system is pre-charged with R454B refrigerant, suitable for line sets of up to 25 ft. This feature simplifies installation, allowing you to connect the indoor and outdoor units without needing to add refrigerant.