MRCOOL DIY® Series Multi-Zone Ductless Mini-Split Heat Pump

Introduction

The MRCOOL® DIY® Multi-Zone Series ductless mini-split is the only whole-home mini-split solution that you can install yourself. It provides simple, easy air comfort in up to four zones.

Visual representation of the MRCOOL DIY® Multi-Zone system, showing four indoor units labeled with zone numbers (1 through 4), an outdoor unit, and a Smart HVAC Controller®. This illustrates the multi-zone capability and connectivity.

Key Features

  • Easy DIY® Installation
  • Pre-charged DIY® Quick Connect Line Set*
  • Simple to Use
  • Multi-room Comfort
  • Energy Efficient DC Inverter
  • 100% Sealed System
  • Gold Fin® Condenser
  • Eco Safe R-410A Refrigerant
  • Smartphone App Controls
  • Lifetime Technical Support
  • Follow Me® Feature
  • Low Ambient Cooling

Version Date: 10-14-21

DIY® Quick Connect® Factory Charged Line Set

The MRCOOL DIY® Quick Connect® Line Set is 100% accurately pre-charged with R-410A refrigerant, making installation quick and easy with no vacuum required.

Detailed view of the MRCOOL DIY® Quick Connect® fittings, showcasing the robust brass construction and the simple screw-on valve mechanism. A coiled refrigerant line set is also depicted, highlighting its flexibility and pre-charged nature.

  • Kink Resistant
  • Simple to Use Screw-on Quick Connect® Valves
  • Available in 16 ft or 25 ft lengths
  • Line sizes: 1/4", 1/2" & 3/8", 5/8″
  • Multi-Zone Condenser includes adapter for 24K Air Handler (3/8", 5/8" Line Size)
  • Leak Proof
  • No Vacuum Needed
  • 100% Accurately Pre-charged R-410A Refrigerant
  • Connect Line Sets Together to Create Longer Length Using the MRCOOL® DIY® Coupler

Heat Pump Condenser - Outdoor Model

FeatureDIY-MULTI3-27HP230DIY-MULTI4-36HP230
Max Number of Zones34
Power Supply208-230/60/1208-230/60/1
SEER2221.5
Minimum Circuit Ampacity21 A30 A
Max. Fuse35 A45 A
Net Dimensions (WxDxH)37.24x16.14x31.89 in37.24x16.14x31.89 in
Packaging Dimensions (WxDxH)42.91x19.69x34.06 in42.91x19.69x34.06 in
Net Weight141.1 lbs162 lbs
Outdoor Gross Weight158.7 lbs179.7 lbs
Outdoor Noise Level63.5 dB(A)64.5 dB(A)

Wall Mounted - Indoor Model

FeatureDIY-09-HP-WMAH-230BDIY-12-HP-WMAH-230BDIY-18-HP-WMAH-230BDIY-24-HP-WMAH-230B
Power Supply208-230~60,1208-230~60,1208-230~60,1208-230~60,1
Minimum Circuit Ampacity3.0 A3.0 A3.0 A3.0 A
Max. Fuse15 A15 A15 A15 A
Net Dimensions (WxDxH)31.57x7.44x11.69 in31.57x7.44x11.69 in42.52x8.90x13.19 in42.52x8.90x13.19 in
Packaging Dimensions (WxDxH)37.60x17.52x14.17 in37.60x17.52x14.17 in49.02x19.49x15.75 in49.02x19.49x15.75 in
Net Weight19.18 lbs19.18 lbs30.20 lbs31.08 lbs
Gross Weight37.04 lbs37.04 lbs54.01 lbs54.67 lbs
Piping Size Liquidside/Gasside1/4"-1/2"1/4"-1/2"1/4"-1/2"3/8"-5/8"
Indoor Noise Level (Hi/Mi/Lo)38/31.5/23.5 dB(A)45/37.5/31 dB(A)47/42/33.5 dB(A)52/45/35 dB(A)

DIY-MULTI3-27HP230 (27K) - 11 Combinations

Two UnitsThree Units
9K + 9K9K + 9K + 9K
9K + 12K9K + 9K + 12K*
12K + 12K9K + 12K + 12K*
9K + 18K12K + 12K + 12K*
12K + 18K*
18K + 18K*

DIY-MULTI4-36HP230 (36K) - 24 Combinations

Two UnitsThree UnitsFour Units
9K + 18K12K + 24K9K + 9K + 9K9K + 9K + 9K + 9K
9K + 24K18K + 18K9K + 9K + 12K9K + 9K + 9K + 12K *
12K + 12K9K + 9K + 18K9K + 9K + 9K + 18K *
12K + 18K9K + 9K + 24K *9K + 9K + 12K + 12K *
9K + 12K + 12K9K + 9K + 12K + 18K *
12K + 12K + 12K9K + 12K + 12K + 12K *
12K + 12K + 18K *
12K + 12K + 24K *
12K + 18K + 18K *
9K + 12K + 18K *

Notes

Note: Size the outdoor condenser unit for the total building load. Size the individual indoor air handler units for individual zone load.

*If all indoor units (handlers) run simultaneously, their combined BTU output will not exceed the BTU rating of the outdoor unit (condenser).

Certified by AHRI.

System Capabilities

All MRCOOL® Ductless Minisplits are designed to HEAT and COOL efficiently. They can be programmed and controlled remotely via a smartphone app, an optional HVAC Ductless Mini-Stat, or the included hand-held remote control.

Warranty Information

7 Year Compressor Warranty

5 Year Parts Warranty

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