Product Overview
Model: DIYM355HPW02D37
The MRCOOL® DIYM355HPW02D37 is a powerful 5th Generation DIY® multi-zone heating and cooling system designed for large homes, workshops, garages, additions, offices, and mixed-size living spaces.
This bundle combines a 55,000 BTU, 6-zone-capable outdoor condenser with three wall-mounted indoor air handlers rated at 6,000 BTU, 9,000 BTU, and 36,000 BTU. This configuration is ideal for controlling the temperature of two smaller rooms and one large open area independently.
Three 25-foot DIY® QuickConnect® pre-charged line sets are included, allowing installation without a vacuum pump, refrigerant gauges, or traditional refrigerant handling. DC inverter technology and R-454B refrigerant provide efficient, quiet, year-round heating and cooling.
Key Features
- 55,000 BTU total system capacity
- Outdoor condenser supports up to six indoor zones
- Includes 6K, 9K, and 36K BTU indoor air handlers
- 22 SEER2 efficiency rating
- 10.6 HSPF2-4 heating efficiency
- DC inverter compressor adjusts output based on demand
- DIY® QuickConnect® factory pre-charged line sets
- Three 25-foot line sets included
- DIYPRO® communication cable
- Gold Fin® corrosion-resistant condenser coating
- Follow Me® temperature-sensing technology
- Independent temperature control for each indoor zone
- MRCOOL® Smart HVAC Controller® app compatibility
- Compatible with Amazon Alexa® and Google Home®
- Quiet indoor operation
- Heating and cooling functionality
System Configuration
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Outdoor condenser: 55,000 BTU, up to 6 zones
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Indoor air handler 1: 6,000 BTU
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Indoor air handler 2: 9,000 BTU
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Indoor air handler 3: 36,000 BTU
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Included line sets: Three 25-foot DIY® QuickConnect® line sets
Electrical Requirements
Outdoor Condenser Model: DIY-MULTI6-55HP230D-O
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Voltage: 208/230V
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Phase: Single phase
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Frequency: 60 Hz
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Minimum Circuit Ampacity: 43 amps
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Maximum Breaker Size: 45 amps
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Dedicated Circuit Required: Yes
Electrical installation must comply with MRCOOL® installation instructions and all applicable local electrical codes.
Dimensions and Weight
Outdoor Condenser
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Width: 37.48 in.
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Height: 52.48 in.
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Depth: 16.34 in.
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Weight: 245.8 lbs.
6K BTU Indoor Air Handler
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Width: 31.57 in.
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Height: 11.69 in.
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Depth: 7.44 in.
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Weight: 24.5 lbs.
9K BTU Indoor Air Handler
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Width: 31.57 in.
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Height: 11.69 in.
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Depth: 7.44 in.
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Weight: Approximately 25 lbs.
36K BTU Indoor Air Handler
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Width: 49.57 in.
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Height: 14.25 in.
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Depth: 11.10 in.
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Weight: Approximately 49 lbs.
What's Included
- MRCOOL® DIY® 55,000 BTU 6-zone outdoor condenser
- 6,000 BTU wall-mounted indoor air handler
- 9,000 BTU wall-mounted indoor air handler
- 36,000 BTU wall-mounted indoor air handler
- Two 25-foot DIY® QuickConnect® line sets, 1/4 in. × 3/8 in.
- One 25-foot DIY® QuickConnect® line set, 3/8 in. × 5/8 in.
- DIYPRO® communication cable
- Wireless remote for each indoor air handler
- Mounting hardware
- Installation manuals
Smartphone and optional installation accessories are not included.
Warranty
- 5-year limited parts warranty
- 7-year limited compressor warranty
- Eligible for the MRCOOL® Care Kit Program
Warranty registration and compliance with the manufacturer's installation and maintenance requirements may be required. Review the official MRCOOL® warranty documentation for complete terms and conditions.
Frequently Asked Questions
Is this a true DIY system?
Yes. The included DIY® QuickConnect® line sets arrive factory pre-charged and are designed to connect without a vacuum pump, refrigerant gauges, or conventional refrigerant handling.
How many rooms are included in this bundle?
This package includes three indoor air handlers for three independently controlled rooms or zones.
Can more indoor units be added later?
Yes. The outdoor condenser supports up to six indoor zones, subject to MRCOOL® system-capacity and compatibility requirements.
Does the system provide both heating and cooling?
Yes. This ductless heat-pump system provides air conditioning during warmer months and heat-pump heating during colder months.
Can each room have a different temperature?
Yes. Each connected indoor air handler can be controlled independently for customized room-by-room comfort.
Is the system compatible with smart-home controls?
Yes. It supports the MRCOOL® Smart HVAC Controller® app and is compatible with Amazon Alexa® and Google Home®.
Shipping and Delivery
This oversized HVAC system may ship by freight. Delivery is typically made curbside, and the customer may be responsible for moving the equipment from the delivery location.
Please inspect all cartons and equipment carefully at delivery. Note any visible damage on the delivery receipt before signing and contact CulinaryProfis promptly if damage or missing components are discovered.
Important Installation Information
Although this system is designed for DIY® installation, electrical work, equipment mounting, condensate drainage, local permits, and code compliance may require assistance from a qualified professional.
Confirm room sizing, electrical capacity, line-set routing, local building requirements, and system compatibility before ordering or beginning installation.
