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Description
Pioneer® Multi (4) Circuit Quantum Ultra Series 22.5 SEER2 Quad Zone Outdoor Section Inverter++ Energy-Star Air Conditioner Heat Pump 230VSummary Ultra High Efficiency Quad Zone (4 Circuit) Outdoor Condensing System Cooling Capacity: 35,000 BTU with 22. 5 SEER2 11. 1 EER2 efficiency Heating Capacity: 36,000 BTU with 10. 0 HSP2 3. 5 COP2 efficiency Energy Star Cold Climate Designated Performance Wide Ambient Operation Range (As low as 13F in Heating As high as 131F in Cooling) Factory Precharged to Cover Up to 100 Ft. of Total Combined Attached Lineset Length Can be Utilized as a
Summary
- Ultra High Efficiency Quad Zone (4 Circuit) Outdoor Condensing System
- Cooling Capacity: 35,000 BTU with 22.5 SEER2 / 11.1 EER2 efficiency
- Heating Capacity: 36,000 BTU with 10.0 HSP2 / 3.5 COP2 efficiency
- Energy-Star Cold-Climate Designated Performance
- Wide Ambient Operation Range (As low as -13°F in Heating / As high as 131°F in Cooling)
-
Factory Precharged to Cover Up to 100 Ft. of Total Combined Attached Lineset Length
- Can be Utilized as a Stronger Triple or Dual-Zone System by Leaving 3rd and/or 4th Zone Closed
Specifications
- Part Number: YN040GLSI24M4G
- Power Supply: 208~230V, 60Hz, 1Ph
- Communication Protocol: Current Loop
- Min-Max Load Attached: 18,000~48,000 BTU/h
-
Refrigerant Type: R454B
- Minimum Room Size: 111 sq ft
- Maximum Circuit Breaker: 35A (double-pole)
- Net Dimensions (WDH): 42"-1/4 x 18"-3/8 x 33"-1/2 Inches
- Carton Dimensions (WDH): 44"-5/8 x 20"-7/8 x 38"-1/8 Inches
- Net / Gross Weight: 145.5 / 169.8 lbs
- AHRI Reference: 217048770 (Ductless) / 217048774 (Ducted)
Performance
- Cooling Rated Capacity (Ductless): 35,000 BTU/h
- Cooling Rated Capacity (Ducted): 34,000 BTU/h
- Cooling Capacity Range (Ductless/Ducted): 5,500~41,000 BTU/h
- Cooling SEER2 (Ductless): 22.5 BTU/W.h
- Cooling SEER2 (Ducted): 20.0 BTU/W.h
- Cooling EER2 (Ductless): 11.1 BTU/W.h
- Cooling EER2 (Ducted): 11.7 BTU/W.h
- Heating Rated Capacity (Ductless): 36,000 BTU/h
- Heating Rated Capacity (Ducted): 36,000 BTU/h
- Heating Capacity Range (Ductless/Ducted): 5,500~37,500 BTU/h
- Heating HSPF2 Region IV/V (Ductless): 10.0 / 7.8 BTU/W.h
- Heating HSPF2 Region IV/V (Ducted): 8.5 / 7.3 BTU/W.h
- Heating C.O.P.2 47°F/5°F (Ductless): 3.5 / 2.0 W/W
- Heating C.O.P.2 47°F/5°F (Ducted): 3.2 / 1.9 W/W
- Sound Level: 65 dB(A)
Manuals & Documents
-
Technical Brochure
- Service Manual
- Addendum to Standard Manual
- AHRI Certificate (All Ductless / All Ducted)
- Energy Guide
Submittal Sheets
- High Wall
Submittal Sheet - Ceiling Cassette
Submittal Sheet - Flex Mount
Submittal Sheet - Ceiling Concealed
Submittal Sheet
Quad Zone Combinations (in thousands BTU)
| Two Units | Three Units | Four Units |
|---|---|---|
| 9 + 9 | 9 + 9 + 9 | 9 + 9 + 9 + 9 |
| 12 + 9 | 9 + 9 + 12 | 12 + 9 + 9 + 9 |
| 18 + 9 | 9 + 9 + 18 | 12 + 12 + 9 + 9 |
| 24 + 9 | 9 + 12 + 12 | 12 + 12 + 12 + 9 |
| 12 + 12 | 9 + 12 + 18 | 12 + 12 + 12 + 12 |
| 18 + 12 | 9 + 12 + 24 | 18 + 9 + 9 + 9 |
| 24 + 12 | 12 + 12 + 12 | 18 + 12 + 9 + 9 |
| 18 + 18 | 12 + 12 + 18 | |
| 24 + 18 | 12 + 12 + 24 | |
| 24 + 24 | 12 + 18 + 18 | |
|
|
9,000 BTU Compatible Units
- Wall Mounted: WT009GLSI24HLG (32"-1/4 x 7"-5/8 x 12" Inches WDH)
- Ceiling Cassette: CT009GLSILCFHG (22"-1/2 x 22"-1/2 x 9"-5/8 Inches WDH)
- Ductable Concealed: RT009GLSILCFHG (27"-1/2 x 19"-1/4 x 7"-7/8 Inches WDH)
12,000 BTU Compatible Units
- Wall Mounted: WT012GLSI24HLG (36"-1/2 x 7"-5/8 x 12" Inches WDH)
- Ceiling Cassette: CT012GLSILCFHG (22"-1/2 x 22"-1/2 x 9"-5/8 Inches WDH)
- Ductable Concealed: RT012GLSILCFHG (27"-1/2 x 19"-1/4 x 7"-7/8 Inches WDH)
18,000 BTU Compatible Units
- Wall Mounted: WT018GLSI24HLG (43"-1/8 x 8"-3/4 x 13" Inches WDH)
- Ceiling Cassette: CT018GLSILCFHG (22"-1/2 x 22"-1/2 x 9"-5/8 Inches WDH)
- Ductable Concealed: RT018GLSILCFHG (35"-1/2 x 19"-1/4 x 7"-7/8 Inches WDH)
- Floor-Ceiling Flex Console: UT018GLSILCFHG (41"-1/2 x 26"-1/2 x 9"-1/4 Inches WDH)
24,000 BTU Compatible Units
- Wall Mounted: WT024GLSI24HLG (43"-1/8 x 8"-3/4 x 13"-1/8 Inches WDH)
- Ceiling Cassette: CT024GLSILCFHG (33"-1/8 x 33"-3/4 x 10"-3/4 Inches WDH)
- Ductable Concealed: RT024GLSILCFHG (43"-1/4 x 17"-3/4 x 7"-7/8 Inches WDH)
- Floor-Ceiling Flex Console: UT024GLSILCFHG (41"-1/2 x 26"-1/2 x 9"-1/4 Inches WDH)
Min. / Max. Loading
18,000 / 48,000 BTU/h.
Notes
- Different models of all available matching indoor units can be combined in any order to create a multi zone split system, up to a quantity of the number of available circuits.
- Not all available circuits need to be utilized with an attached indoor unit. 66% or higher of the total capacity utilization is recommended.
- Every indoor unit attached to a multi zone system will operate at a random, self-regulated capacity, based on the actual demand it measures from the zone it is serving (Between 30% to 100% of its rated capacity) or turn OFF as needed.
- Outdoor unit will also self-regulate its total output capacity, based on the total demand it reads from all the simultaneously running indoor units at any given moment, up to its maximum rating capacity.
- With multi split systems, the total demand from the outdoor unit, will seldomly exceed 75% of the total available capacity of the combined indoor unit group due to load fluctuations of each indoor unit.
- Therefore, total attached indoor unit capacity can be selected up to 133% of the supporting outdoor unit's rated capacity.
- Although very seldom, if the total demand from the combined group of indoor units' exceeds the rated capacity of the outdoor unit, the capacity of the each indoor unit will be annotated accordingly.
- For high demand applications, max loading limits may need to be reduced up to 20% to avoid underperformance risks during some extreme conditions.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 1900 reviews
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Product Reviews
★★★★★ 5
Hands down best hammock accessory
Color: Green, Size: Medium
Tried many, this pillow is perfect. Not too big, not too small. Soft yet supportive. It’s also well made and super comfy. Plus it packs up nicely. I’m a new Wise Owl convert, everything I’ve ordered so far has been excellent quality. Just wish they kept the colors consistent so it all matched (minor annoyance). You need this.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Comfy, soft, packable, and cool
Color: Green, Size: Small
I absolutely love this pillow. It's well constructed but not OVER constructed - it is soft, comfortable to my neck and head - very packable and stays pretty cool - like the 'other side' of the pillow. I also appreciate the stuff sack that Wise Owl sends with it. I was able to get this down into my right side of my Redwing 50 pocket. This thing fits everywhere and while some folks think its a luxury, when you get to be my age - comfort is something that you take for granted. I feel well rested after a night on this bad boy.
Shape always fluffs back out. I think it's a great value at the price point it is at compared to other pillows in this range. Very very durable, like all Wise Owl products I own. Easily fits snugly into the bag, and can mold around you depending on how you want to adjust it. I don't use a sleeping pad, just this for my neck support and it really is worth every penny.
Water resistance - I'm not sure as I've not had the opportunity to see it but I feel like with the material it is, water would probably bead off in light amounts.
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Reviewed in the United States on December 20, 2025
★★★★★ 4
It's comfy but not UL nor packs down well.
Color: Blue, Size: Medium
Don't get me wrong, overall this is a very good mini portable camping pillow that has slightly bigger length, width & thickness than most of the other name brand inflatable camping pillows that cost $20 extra, which is nice for having more pillow/support to work with while you sleep, & it being foam filled rather than inflated means you don't have to worry about it deflating on you overnight out in the wilderness where you likely don't have a backup!..
All that is great until it's time to pack it back up..
It doesn't compact down small, nor easily. You have to put a little elbow grease into tightly rolling it up like a burrito, 🌯
And even Then, it's still a bit of a fight to squeeze it back into it's compression sack, but Still winds up being a bulky bulgy chunk of space real estate in my pack, and if you're a serious hiker you know every ounce counts as well as every inch of space that's taken up by bulky gear.
I didn't consider returning or replacing it for something else until wayy past the return window.
Again, it's not bad at all for your average travel or weekend camping trips, but for expedition, section or thru-hiking it's not the best choice to go with when budgeting weight & space in your pack.
I went with a similarly priced Teton camping pillow that is 18" by 12", also filled not inflated so it's basically the same thing but ever so slightly smaller in circumference, yet packs down noticably easier & more compact, weighing slightly less & taking up noticably less space in your pace as well.
I can easily stuff it in the outer back kangaroo pouch on my Osprey Atmos AG 50L.
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Reviewed in the United States on January 28, 2025
★★★★★ 5
Soft and Confortable
Color: Rose, Size: Medium
Excellent travel and camping pillow. Soft and confortable. My wife loves it.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Perfect, compact, portable, comfort.
Color: Grey, Size: Small
Got the small one. It's perfect size for camping. I saw other comments with pics of medium and looked too big for portable use. I like down feather pillows and this one is really close to same feel. I recommend it 100%. And I may even buy another one.
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Reviewed in the United States on November 7, 2025
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