OLMO Multi-Zone R410A, 18,000 BTU 230V OLMO Sierra Series Indoor Wall-Mount Air Conditioning Unit for Heat Pump, Mini Split Inverter System, Up to 21 SEER2 with Wi-Fi, Optional Installation Kit - OS-M18SRW-230VI

Summary

The OLMO Sierra Multi-Zone can be used in multiple combinations with Olmo Multi-Sierra Wall Mounted Units in up to 4 independent zones. Featuring inverter technology, this heat pump offers up to 20 SEER2 ratings, delivering efficient cooling and heating capabilities. With Smart Connect included, you can independently control this unit from anywhere using the APP for added comfort and convenience. A remote control is also included, offering features such as Sleep, Turbo, and Eco modes, Multiple Fan Speeds, Timer, and Auto Swing Louvers.

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 that you have selected the desired installation kit above. This kit comes with Pre-Flared 99% Copper Lines, Data Communication Wires, PVC Drainage Attachment, Wrapping Bands, etc.

What's Included

Indoor Units OS-M12SRW-230VI (12,000 BTU OLMO Sierra Indoor Wall Mount Unit)
2X Indoor Units OS-M09SRW-230VI (9,000 BTU OLMO Sierra Indoor Wall Mount Unit)
Outdoor Unit OS-MSR42-230VO (42,000 BTU OLMO Sierra Outdoor Condenser Unit)
Optional, Pre-Flared 99% Copper Installation Kit (16ft, 25ft or 50ft.) MUST BE SELECTED ABOVE.
Wireless Remote Controls
Installation Manual
User’s Manual
Manufacturer Warranty

Other OLMO 42,000 BTU Combinations

3 Zones	4 Zones	5 Zones
9 + 9 + 12	9 + 9 + 9 + 9	9 + 9 + 9 + 9 + 9
9 + 9 + 18	9 + 9 + 9 + 12	9 + 9 + 9 + 9 + 12
9 + 9 + 24	9 + 9 + 9 + 18	9 + 9 + 9 + 9 + 18
9 + 12 + 12	9 + 9 + 9 + 24	9 + 9 + 9 + 9 + 24
9 + 12 + 18	9 + 9 + 12 + 12	9 + 9 + 9 + 12 + 12
9 + 12 + 24	9 + 9 + 12 + 18	9 + 9 + 9 + 12 + 18
9 + 18 + 18	9 + 9 + 12 + 24	9 + 9 + 9 + 12 + 24
9 + 18 + 24	9 + 9 + 18 + 18	9 + 9 + 9 + 18 + 18
9 + 24 + 24	9 + 9 + 18 + 24	9 + 9 + 12 + 12 + 12
12 + 12 + 12	9 + 12 + 12 + 12	9 + 9 + 12 + 12 + 18
12 + 18 + 18	9 + 12 + 12 + 18	9 + 12 + 12 + 12 + 12
12 + 18 + 24	9 + 12 + 12 + 24	9 + 12 + 12 + 12 + 18
12 + 24 + 24	9 + 12 + 18 + 18	12 + 12 + 12 + 12 + 12
18 + 18 + 18	9 + 12 + 18 + 24
18 + 18 + 24	9 + 18 + 18 + 18
	12 + 12 + 12 + 12
	12 + 12 + 12 + 18
	12 + 12 + 12 + 24
	12 + 12 + 18 + 18

Warranty

5 year compressor limited warranty
2 year parts limited warranty (must be installed by a licensed HVAC technician)
1 year remote control

Technical Information

Model Number: OS-M12SRW-230VI (12,000 BTU Indoor Wall Mount)

Specification	Details
Refrigerant Piping Liquid/Gas Side (inch)	3/8, 5/8
Packing Dimensions (WxDxH)	46 1/16 x 15 3/8 x 12 7/16
Controller	L1-12
BTU Rated	23,400
Unit Net/Gross Weight	31.97 / 37.48
Unit Dimensions (WxHxD)	42 3/4 x 12 3/8 x 9 5/16
Power Source	208-230V, 1Ph, 60Hz
Indoor Noise Level H/M/L	47 / 45 / 42

Model Number: OS-M09SRW-230VI (9,000 BTU Indoor Wall Mount)

Specification	Details
Voltage Range (V)	187-253
Packing Dimensions (WxDxH)	39.38 x 13.19 x 6.38
BTU Rated	9,000
Unit Net/Gross Weight	19.84 / 24.25
Unit Dimensions (WxHxD)	32.02 x 10.75 x 8.13
Power Source	208-230V, 1Ph, 60Hz
Indoor Noise Level H/M/L	39 / 35 / 30

Model Number: OS-MSR42-230VO (9,000 BTU Indoor Wall Mount)

Specification	Value
Voltage Range (V)	198~253
SEER2 (up to)	20
Refrigerant Type	R410A
Packing Dimensions (WxDxH)	43-3/4 x 18-1/8 x 47-1/4
EER2 (up to)	10.5
Unit Net/Gross Weight (lbs)	198.4 / 224.5
Unit Dimensions (WHD)	37-3/8 x 41-3/8 x 13-3/8
Power Source	208-230V, 1Ph, 60Hz
Outdoor Noise Level (dB)	63
Minimum Circuit Ampacity (A)	35
Max Fuse (A)	50
Heating Capacity at 47°F (BTU)	42,000
COP	3.17
Cooling Capacity (nominal) (BTU)	42,000

Certifications

Performance Data/Features

• Remote Control Included
• Smart Connect from Anywhere
• Comfortable Sleep Mode
• Turbo and Eco Modes
• Multiple Fan Speeds
• Timer
• Louver Auto Swing
• Self Clean Mode
• LED Display

Manuals & Downloads

3 Zone (3 Heads) OLMO Sierra Multi-Zone 42,000 BTU, 3.5 TON, R410A, Tri Zone 9K + 9K + 12K BTU Wall Mount Ductless Mini Split Air Conditioner and Heater, Inverter with Heat Pump, 230V, Optional 16ft, 25ft or 50ft Installation Kits