MRCOOL DIY® 5th Gen 55,000 BTU Multi-Zone Mini Split Condenser 230V, DIY-MULTI6-55HP230D-O
SKU: 47764839553

MRCOOL DIY® 5th Gen 55,000 BTU Multi-Zone Mini Split Condenser 230V, DIY-MULTI6-55HP230D-O

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Description

MRCOOL DIY® 5th Gen 55,000 BTU Multi-Zone Mini Split Condenser 230V, DIY-MULTI6-55HP230D-OMRCOOL DIY 5th Gen 55,000 BTU 6 Zone Multi Zone Mini Split Condenser 230V Model: DIY MULTI6 55HP230D O Engineered for large, multi zone applications, the MRCOOL DIY 5th Gen 55,000 BTU Multi Zone Mini Split Condenser delivers up to 61,000 BTU of total connected indoor capacity. Easily cool or heat up to six separate zones using a combination of MRCOOL 5th Gen air handlersranging from compact 6K BTU all the way up to powerful 36K units. Designed for

MRCOOL® DIY 5th Gen 55,000 BTU 6-Zone Multi-Zone Mini Split Condenser – 230V

Model: DIY-MULTI6-55HP230D-O

Engineered for large, multi-zone applications, the MRCOOL® DIY 5th Gen 55,000 BTU Multi-Zone Mini Split Condenser delivers up to 61,000 BTU of total connected indoor capacity. Easily cool or heat up to six separate zones using a combination of MRCOOL 5th Gen air handlers—ranging from compact 6K BTU all the way up to powerful 36K units. Designed for easy DIY installation, this unit is pre-charged with eco-friendly R-454B refrigerant and does not require special tools or HVAC licenses for setup.

Key Features

  • DIY Installation: Pre-charged Quick Connect® line sets require no vacuuming—connect and go
  • Smart Controls: Fully compatible with the SmartHVAC App, Amazon Alexa, and Google Assistant
  • R-454B Refrigerant: Lower GWP and EPA-compliant for reduced environmental impact
  • Gold Fin® Protection: Anti-corrosive coating for long-lasting outdoor performance
  • DIYPRO® Cable: Armored and weatherproof—no electrical conduit needed
  • Warranty Coverage: 7-Year compressor, 5-Year parts, and optional Limited Lifetime Replacement with MRCOOL® Care Program

System Specs

  • Cooling Capacity: 55,000 BTU/h
  • Heating Capacity: 56,000 BTU/h
  • SEER2: Up to 21.5 (based on handler configuration)
  • HSPF2-4: ~10.3 | HSPF2-5: ~8.2
  • Power Supply: 208–230V, 60Hz, 1 Phase
  • Minimum Circuit Ampacity: 34 A
  • Maximum Fuse: 40 A
  • Refrigerant Type: R-454B (Charge: ~160 oz)
  • Line Set Sizes: 3/8" Liquid x 5/8" Gas
  • Recommended Coverage: 2,000 – 2,600 sq. ft. (depending on layout and zone usage)

Compatible Air Handler Combinations (Max 61,000 BTU)

This high-capacity 6-zone condenser supports 6K, 9K, 12K, 18K, 24K, and even 36K 5th Gen air handlers. A minimum of 2 zones must be connected. Total indoor capacity must not exceed 61,000 BTU.

Sample valid combinations:

  • 36K + 18K + 6K = 60K
  • 24K + 12K + 12K + 9K = 57K
  • 18K + 12K + 9K + 9K + 6K + 6K = 60K
  • 12K + 12K + 12K + 12K + 12K = 60K

Recommended Wire Size

  • Recommended: 6 AWG copper wire – supports 34A MCA and 40A fuse
  • One Size Smaller (8 AWG): May be acceptable for short runs but could overheat under load—check local codes
  • One Size Larger (4 AWG): Ideal for long wire runs—ensures minimal voltage drop and extra safety margin

Note: Condenser is pre-charged with R-454B refrigerant and is not backward compatible with R-410A systems. Please ensure total indoor load is within allowable limits and follow all installation guidelines.

Proudly offered by MRCOOL DIY Direct — your trusted nationwide leader for DIY HVAC products.

Specifications & Dimensions

Specification Details
Model Number DIY-MULTI6-55HP230D-O
Cooling Capacity 55,000 BTU/h
Heating Capacity 55,000 BTU/h
Recommended Coverage Area 2,800 – 3,200 sq. ft.
Maximum Connected Capacity Up to 61,000 BTU
SEER2 (Estimated) 17.5 – 18.0 (depending on configuration)
HSPF2-4 (Estimated) 8.5 – 9.0
HSPF2-5 (Estimated) 6.5 – 7.0
Power Supply 208–230V, 60Hz, 1 Phase
Minimum Circuit Ampacity 48 A (est.)
Maximum Fuse 50 A (est.)
Refrigerant Type R-454B
Refrigerant Charge ~120 oz (est.)
Line Set Sizes 3/8" Liquid x 5/8" Gas
Net Dimensions (WxDxH) Approx. 42.91" x 19.88" x 37.01"
Net Weight Approx. 185 – 195 lbs
Recommended Wire Size 6 AWG (recommended for 48A load)
One Size Smaller (Risk) 8 AWG – May overheat or fail to meet code on longer runs
One Size Larger (Benefit) 4 AWG – Ideal for long wire runs and additional safety margin

 

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 47764839553

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Madison R.
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★★★★★ 5
Best no-show socks ever!
Size: 6-10, Color: Black
If you're tired of wearing socks that slip off and show in your sneakers, then you need to try these amazing socks! They are designed to stay in place, even after being active all day. They are incredibly soft and comfortable, and they are truly no-show, so you won't see them at all. I've been using these socks for years and have never had any issues. In fact, I love them so much that I've bought multiple packs, and my family members have started using them too. Don't waste any more time with those annoying socks that slip off and show - give these a try and you won't be disappointed!
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Krissy
Grantham, US
★★★★★ 5
The best
Size: 9-11, Color: Black
Seriously the best non slip low cut socks you can find. They stay in place all day and I love the fabric. They are thin which I prefer. These are really the only socks I wear.
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Cassie Huerta
Carnegie, US
★★★★★ 5
Great socks for the price!
Size: 6-10, Color: Black, Size: 6-10, Color: Black
I love these socks, they are perfect no shows but the material is thick enough for toes not too go thru. The grip is perfect and keeps the sock in place all day. I would definitely order true to size as the fit was perfect. I was surprised to find these socks at the price I did, especially when I got the socks in both black and white.
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Kayla
Whiting, US
★★★★★ 5
Best non-slip no show sock!
Size: 6-10, Color: Black
I love these socks! I wear them mostly with my slip on vans. The are thin so your feet can breathe (I hate thick socks). They have a grip on the heal so that they don't slip off of your feet, and it actually works! My only negative about these socks would be that if you have bigger than a size 8 foot, I would not purchase them because they do run a bit small. I wear a size 7 and they fit perfectly! They do look very tiny upon unpacking, but they stretch to the according size. I would also recommend letting them air dry after washing them and not putting them in the dryer. The first pair I purchased, I made the mistake of drying them and they shrank to an unbelievably small size. I've had my second set of socks for over 4 months now and have not had any problems since Ive been air drying them. I have not encountered any problems with them tearing as other have stated. Even though these are thin socks, they seem to be made quite well in my opinion.
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Leah P.
Houston, US
★★★★★ 5
I buy these again and again through the years!
Size: Medium, Color: Austin Brown Assorted (6-pairs)
Love these. After a year or two I wear holes in the bottoms because I wear them so much. Worth the little bit higher price because of the fit and comfort. Love how they are truly no show
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