The RXM12WVJU9 is a Daikin Atmosphera series outdoor heat pump unit designed for single-zone ductless heating and cooling systems. It’s engineered for energy efficiency, quiet operation, and comfort control, paired with a compatible indoor unit (typically FTXM12WVJU9). This model uses R-32 refrigerant and operates on 208-230 V, single-phase power, making it suitable for homes or small spaces.
🔧 Key Specifications
Performance
-
Cooling Capacity: 12,000 BTU/h (1 Ton)
-
Heating Capacity: 13,600 BTU/h
-
Rated Cooling Range: ~50 °F to 114.8 °F (~10 °C to 46 °C)
-
Rated Heating Range: ~-13 °F to 64.4 °F (~-25 °C to 18 °C)
⚡ Electrical
-
Voltage: 208-230 V
-
Phase: Single-phase (1 Φ)
-
Frequency: 60 Hz
-
Maximum Breaker Size: 15 A
-
Minimum Breaker Size (MCA): ~12.3 A
🔋 Efficiency & Ratings
-
SEER2: ~25.2 (Seasonal Energy Efficiency Ratio)
-
EER2: ~13.2
-
HSPF2: ~10.7 (Heating Seasonal Performance Factor)
🌀 Refrigerant & Compressor
-
Refrigerant Type: R-32
-
Compressor Type: Inverter-driven swing/compressor technology
-
Liquid Line Connection: 1/4″
-
Suction Line Connection: 3/8″
📏 Physical Dimensions
-
Height: ~23.4″ (~595 mm)
-
Width: ~33.3″ (~845 mm)
-
Depth: ~11.8″ (~300 mm)
-
Weight: ~96 lbs (≈44 kg)
🔊 Noise Levels
🌟 Features
-
Energy-efficient inverter technology for reduced power use and smoother operation.
-
Pre-charged for up to ~49 ft of line set, easing installation.
-
Quiet and reliable year-round comfort with wide temperature operating ranges.
-
Anti-corrosion coating on heat exchanger for durability.
-
Typically paired with Daikin indoor units supporting features like built-in Wi-Fi control, dehumidification modes, and heating “hot start” functions.






