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Olmo

Olmo R410A Sierra Wall Mount Ductless Mini Split AC Indoor Unit – 18000 BTU

SKU: OS-M18SRW-230VI

System highlights
AC Type
Wall Mount
Refrigerant Type
R410A
Brand
Olmo
Indoor Unit
18000 BTU (1.5 TON)
Voltage
208-230V
Looking For
Wall Mount
Cooling Area (sq.ft.)
550-1000
Series
Sierra
Installation Kit

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Price

$258.00
Shipping calculated at checkout.
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OLMO Sierra Wall Mount Indoor • R410A • 230V • Multi-Sierra Compatible

Olmo Sierra Wall Mount Indoor Unit — 18,000 BTU • OS-M18SRW-230VI

Multi-zone indoor head with Smart Connect (app control) included, plus remote features like Sleep, Turbo, Eco, timer, multiple fan speeds, and auto-swing louvers.

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Overview

The OS-M18SRW-230VI is a 18,000 BTU wall-mount ductless indoor unit designed to pair with Olmo Multi-Sierra Series outdoor units. It includes Smart Connect for independent app control, helping add convenience and room-by-room comfort to a multi-zone system. The included remote supports comfort modes like Sleep, Turbo, and Eco, along with multiple fan speeds, timer functions, and auto-swing louvers.

Highlights

18,000 BTU (rated) R410A Smart Connect Included App Control Remote Included Sleep / Turbo / Eco Timer Auto Swing Louvers 208–230V
  • Multi-Sierra compatible: Designed to combine with Olmo Multi-Sierra outdoor units.
  • Smart control included: Smart Connect enables app-based control from wherever you are.
  • Everyday comfort features: Sleep, Turbo, Eco mode, multiple fan speeds, timer functions, and auto-swing louvers.
  • Larger-capacity head: 18K indoor head for bigger rooms or higher load spaces.
ModelOS-M18SRW-230VI
TypeWall Mount Indoor
Line Set1/4" / 1/2"
Sound (H/M/L)45/41/37 dB(A)

What's Included

  • Indoor wall mount unit: OS-M18SRW-230VI
  • Smart Connect (WiFi / app control) module: included
  • Remote control (included)

Indoor Specs

Spec Details
Model OS-M18SRW-230VI
BTU Rated 18,000
Power Source 208–230V, 1Ph, 60Hz
Voltage Range 187–253 V
Refrigerant Piping (Liquid / Gas) 1/4" – 1/2"
Indoor Noise (H/M/L) 45 / 41 / 37 dB(A)
Unit Dimensions (W×H×D) 48.00 × 12.63 × 9.25 in
Unit Net / Gross Weight 31.97 / 37.48 lb
Packing Dimensions (W×D×H) 51.75 × 15.44 × 12.50

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Important

Installed by a licensed HVAC professional. This is an indoor wall-mount unit intended to be matched with a compatible Olmo Multi-Sierra outdoor system. Confirm electrical requirements (208–230V) and piping sizes (1/4" liquid, 1/2" gas) before ordering.

FAQs

What outdoor units is this indoor head compatible with?
It can be combined with Olmo Multi-Sierra Series outdoor units.
Does it include Wi-Fi / app control?
Yes. Smart Connect is included, enabling control through the app.
What line set sizes does it use?
The refrigerant connections are 1/4" liquid and 1/2" gas.
What operating features are included on the remote?
Sleep, Turbo, Eco mode, multiple fan speeds, timer functions, and auto-swing louvers.