Mitsubishi MSY-GX30NL & MUY-GX30NL 30,000 BTU 19.2 SEER2 Wall Mounted Cooling Only System - R454B

Mitsubishi MSY-GX30NL & MUY-GX30NL: 30,000 BTU Wall-Mounted Cooling-Only System

The MSY-GX30NL indoor unit paired with the MUY-GX30NL outdoor condenser delivers 30,000 BTU of high-efficiency cooling in a single-zone ductless mini-split. Designed for large rooms and open spaces up to 1,250 sq ft, this system combines advanced INVERTER technology, ENERGY STAR® performance, and quiet operation in a sleek wall-mounted design. Dual Barrier and Blue Fin coatings protect internal components from dust, oil, and corrosion, while built-in Wi-Fi and a back-lit remote provide easy, flexible control.

General Information
System Type: Wall-mounted ductless air handler + single-zone cooling-only condenser
Models: Indoor – MSY-GX30NL | Outdoor – MUY-GX30NL
Capacities: 30,600 BTU Cooling (34,000 BTU Max)
Room Size: Ideal for 1,250 sq ft
Operating Modes: Cooling
ENERGY STAR®: Yes
Refrigerant / Factory Charge: R-454B, 3 lb 12 oz

Key Features

• INVERTER Technology: Variable-speed compressor for precise, energy-efficient cooling

• Low Ambient Cooling: Maintains performance to 14 °F; restarts after lockout at -1 °F

• Quiet Operation: Indoor sound as low as 32 dB(A); outdoor approx. 57 dB(A)

• Dual Barrier & Blue Fin Coatings: Resist corrosion, dust, and oil for longer equipment life

• Washable Nano-Platinum Filter: Easy to maintain and improves indoor air quality

• Built-In Wi-Fi: Compatible with Mitsubishi Comfort app for remote control

Specifications (Rated Conditions)
Cooling Capacity: 30,600 BTU | EER2: 9.05 | SEER2: 19.2
Electrical: 208/230 V, 1-Ph, 60 Hz | MCA 33 A | MOCP 50 A
Airflow (Dry): 324–765 CFM
Sound Pressure: Indoor 30–53 dB(A) | Outdoor 57 dB(A)
Piping: Liquid ¼ in. | Gas ⅝ in. | Max line length 100 ft | Max height 50 ft
Outdoor Dimensions / Weight: 33-1/16 x 13 x 34-5/8 in. | 116 lb
Drain Connection: 5/8 in. O.D.

Included Components

• Indoor Unit: MSY-GX30NL wall-mounted air handler

• Outdoor Unit: MUY-GX30NL cooling-only condenser

• Back-Lit Hand-Held Remote Controller

Ideal For
Homeowners and contractors needing reliable, quiet, and energy-efficient cooling for large living spaces or commercial areas. The MSY-GX30NL & MUY-GX30NL provide smart control and durable performance in a space-saving design.