OLMO TTW Universal Through The Wall Folded Metal Wall Sleeve

OLMOSKU: OW-TTWSLV
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OLMO · ACCESSORIES
Built for year-round comfort

OW-TTWSLV
Product Description
Olmo Unassembled Metal Wall Sleeve for Through the Wall Air Conditioners. Coated and Insulated. Actual size 25.5” x 17.5” x 15.3” Designed especially for Olmo through the wall air conditioners but can be used with others using standard 25.5"x15.3" size This wall sleeve is insulated for thermal efficiency and noise reduction. Wall Sleeve ships flat and requires assembly.
Technical Specifications
Series Comparison Table
Technical specifications for every model in the series — this product is one of them.
Indoor unit model
| Specification | CH-NY06MIA-115VI | CH-NY09MIA-115VI | CH-NY12MIA-115VI | CH-NY09MIA-230VI | CH-NY12MIA-230VI | CH-NY18MIA-230VI | CH-NY24MIA-230VI |
|---|---|---|---|---|---|---|---|
| Power supply, V, Ph, Hz | 115V,1Ph,60Hz | 115V,1Ph,60Hz | 115V,1Ph,60Hz | 208/230V,1Ph,60Hz | 208/230V,1Ph,60Hz | 208/230V,1Ph,60Hz | 208/230V,1Ph,60Hz |
| Cooling Capacity, Btu/h | 6,000 | 9,000 | 12,000 | 9,000 | 12,000 | 18,000 | 24,000 |
| MAX. FUSE (Indoor unit), A | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 |
| Indoor air flow (Hi/Mi/Lo), CFM | 282/247/182/129 | 282/247/182/129 | 341/308/205/176 | 309/258/192/135 | 358/317/192/135 | 450/388/258/217 | 705/588/450/352 |
| Indoor noise level (Hi/Mi/Lo), dB(A) | 36/31/22 | 36/31/22 | 41/30/26 | 40/30/24 | 37/30/22 | 43/34/30 | 45/39/35 |
| Unit Dimensions (W*D*H), inch | 28.4x7.3x11.4 | 28.4x7.3x11.4 | 31.5x7.4x11.6 | 28.4x7.3x11.4 | 31.5x7.4x11.6 | 37.9x8.4x12.5 | 42.5x8.9x13.1 |
| Packing Dimensions (W*D*H), inch | 31x10x14 | 31x10x14 | 34x11x14 | 31x10x14 | 34x11x14 | 41x12x16 | 45x16x12 |
| Net/Gross weight, lbs. | 16.98/22.2 | 16.98/22.2 | 19.84/24.2 | 16.98/22.2 | 18.96/22.2 | 23.81/31.5 | 29.98/38.5 |
| Design Pressure, PSIG | 550/340 | 550/340 | 550/340 | 550/340 | 550/340 | 550/340 | 550/340 |
| Room Temperature, °F | 62~90 | 62~90 | 62~90 | 62~90 | 62~90 | 62~90 | 62~90 |
Outdoor unit model
| Specification | CH-NY06MIA-115VO | CH-NY09MIA-115VO | CH-NY12MIA-115VO | CH-NY09MIA-230VO | CH-NY12MIA-230VO | CH-NY18MIA-230VO | CH-NY24MIA-230VO |
|---|---|---|---|---|---|---|---|
| Cooling Capacity, Btu/h | 6,000 (2,650-10,300) | 10,000 (2,700-10,500) | 12,000 (4,000-12,500) | 10,000 (2,400-10,900) | 12,000 (2,730-12,500) | 18,800 (6,300-19,400) | 24,000 (6,900-28,100) |
| SEER | 21.5 | 21.5 | 20.8 | 21.7 | 21.4 | 19 | 18 |
| EER | 12.5 | 12.5 | 10.3 | 12.6 | 12.6 | 10.5 | 9 |
| Heating Capacity, Btu/h | 7,000 (2,700-10,500) | 10,000 (2,700-10,500) | 12,000 (4,000-12,500) | 10,000 (2,400-10,900) | 12,000 (2,730-12,500) | 18,800 (6,300-19,400) | 24,000 (6,900-28,100) |
| COP | 2.93 | 2.93 | 3.13 | 3.29 | 3.23 | 2.93 | 3.03 |
| HSPF4 | 9 | 9 | 8.2 | 9.1 | 9.1 | 8.7 | 8.6 |
| HSPF5 | 6.9 | 6.9 | 6.6 | 6.9 | 6.9 | 6.8 | 6.6 |
| MINIMUM CIRCUIT AMPACTY (MCA), A | 20 | 20 | 18.5 | 12 | 15 | 15 | 19 |
| MAX. FUSE, A | 30 | 30 | 25 | 15 | 15 | 20 | 30 |
| Air Flow (Max), CFM | 1,294 | 1,294 | 1,235 | 1,294 | 1,235 | 1,235 | 1,764 |
| Outdoor Noise, [dB(A)] | 54 | 55 | 53 | 54 | 53 | 57 | 60 |
| Dimension (WxDxH), (inch) | 30.1x11.9x21.9 | 30.1x11.9x21.9 | 30.1x11.9x21.9 | 30.1x11.9x21.9 | 30.1x11.9x21.9 | 31.7x12.9x21.8 | 35x13.5x26.5 |
| Packing (WxDxH), (inch) | 34.9x13x24 | 34.9x13x24 | 34.9x13x24 | 34.9x13.27x24 | 34.9x13.27x24 | 36.02x14.57x24.21 | 39.17x15.67x29.13 |
| Net/ Gross weight, (lbs.) | 57/63 | 57/63 | 62/67 | 55/60 | 59/64 | 73/79 | 97/104 |
| Refrigerant precharge, (ft) | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Additional charge for each ft, (oz/ft) | 0.16 | 0.16 | 0.16 | 0.16 | 0.16 | 0.16 | 0.32 |
| Design pressure, (PSIG) | 550/340 | 550/340 | 550/340 | 550/340 | 550/340 | 550/340 | 550/340 |
| Refrigerant Piping Liquid side/ Gas side, (inch) | 1/4" / 3/8" | 1/4" / 3/8" | 1/4" / 1/2" | 1/4" / 3/8" | 1/4" / 1/2" | 1/4" / 1/2" | 3/8" / 5/8" |
| Max. refrigerent pipe length,(ft) | 82 | 82 | 82 | 82 | 82 | 98 | 164 |
| Max. diffrence in level,(ft) | 32.8 | 32.8 | 32.8 | 32.8 | 32.8 | 66 | 82 |
| Ambient temperature Cooling, (°F) | 5~122 | 5~122 | 5~122 | 5~122 | 5~122 | 5~122 | 5~122 |
| Heating, (°F) | 5~86 | 5~86 | 5~86 | 5~86 | 5~86 | 5~86 | 5~86 |
Frequently asked questions.
Will this fit my system?
This is a replacement/accessory part. Match it to your unit’s model number and specifications before ordering; if you are unsure, contact us with your system model and we will confirm compatibility.
Is this part included with a mini split system, or sold separately?
This listing is for the part on its own. Complete mini split systems list their included components separately on each system’s page.
Do you offer support choosing the right part?
Yes — contact us with your system model number and what you need, and we will help you pick the correct part.
What warranty does it come with?
It is backed by OLMO’s limited manufacturer warranty — 5-year compressor, 2-year parts, and 1-year remote ; professional installation and registration at olmo-comfort.com within 60 days are required to keep coverage valid.
Manufacturer Technical Support
Reach your brand's tech support team directly
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- Olmo Unassembled Metal Wall Sleeve for Through the Wall Air Conditioners. Coated and Insulated. Actual size 25.5” x 17.5” x 15.3”
- Designed especially for Olmo through the wall air conditioners but can be used with others using standard 25.5"x15.3" size
- This wall sleeve is insulated for thermal efficiency and noise reduction. Wall Sleeve ships flat and requires assembly.


