Air to Water Heat Pump
SolaX Thermal R290 Series
The SolaX air-to-water heat pump integrates PV and ESS compatibility, intelligent temperature control, and offers three indoor configuration options: Hydraulic Integrated Unit, Hydraulic Unit, or Control Unit. Designed with European aesthetics and smart user interaction, it's the perfect solution for modern energy needs.
Product Advantage
The SolaX air-to-water heat pump integrates PV and ESS compatibility, intelligent temperature control, and offers three indoor configuration options: Hydraulic Integrated Unit, Hydraulic Unit, or Control Unit. Designed with European aesthetics and smart user interaction, it's the perfect solution for modern energy needs.
Eco-Friendly
R290 natural refrigerant, low GWP and a low-carbon lifestyle
Extremely quiet operation with low noise level
Intelligent Control
Smart App control supports remote monitoring, operation, and OTA updates
Brushless DC motor enables stepless speed regulation
High Performance
Integrated with PV and ESS to maximize green energy self-consumption
SCOP level: A+++
Maximum leaving water temperature of 80°C
Flexibility
Available in 5 capacity sizes (8 to 16 kW), suitable for renovations and large new buildings
Highly interoperable, SG ready, Modbus TCP/RTU supported
Heating + Cooling + Domestic Hot Water (DHW)
Product Parameters
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STU1-C08R290-
Electrical Specifications
Power supply 220 ~ 240 V / 1N~ / 50 Hz SCOP-LWT at 35°C 5.44 SCOP-LWT at 55°C 4.12 Refrigerant-Type/GWP R290/3 Refrigerant-Charged volumn 1.2 kg Sound pressure level at 1m 35 dB(A) Sound pressure level at 3m 32 dB(A) Water outlet-Heating 25~80 °C Water outlet-Cooling 5~25 °C Water outlet-DHW 25~70 °C -
Mechanical Specifications
Dimensions (W × H × D) 1310 × 1050 × 465 mm Weight 140kg
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STU1-C10R290
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Electrical Specifications
Power supply 220 ~ 240 V / 1N~ / 50 Hz SCOP-LWT at 35°C 5.30 SCOP-LWT at 55°C 4.07 Refrigerant-Type/GWP R290/3 Refrigerant-Charged volumn 1.2 kg Sound pressure level at 1m 35 dB(A) Sound pressure level at 3m 32 dB(A) Water outlet-Heating 25~80 °C Water outlet-Cooling 5~25 °C Water outlet-DHW 25~70 °C -
Mechanical Specifications
Dimensions (W × H × D) 1310 × 1050 × 465 mm Weight 140kg
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STU1-C12R290
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Electrical Specifications
Power supply 220 ~ 240 V / 1N~ / 50 Hz SCOP-LWT at 35°C 5.07 SCOP-LWT at 55°C 3.89 Refrigerant-Type/GWP R290/3 Refrigerant-Charged volumn 1.5 kg Sound pressure level at 1m 37 dB(A) Sound pressure level at 3m 34 dB(A) Water outlet-Heating 25~80 °C Water outlet-Cooling 5~25 °C Water outlet-DHW 25~70 °C -
Mechanical Specifications
Dimensions (W × H × D) 1310 × 1050 × 465 mm Weight 154kg
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STU1-C14R290
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Electrical Specifications
Power supply 220 ~ 240 V / 1N~ / 50 Hz SCOP-LWT at 35°C 4.94 SCOP-LWT at 55°C 3.84 Refrigerant-Type/GWP R290/3 Refrigerant-Charged volumn 1.5 kg Sound pressure level at 1m 38 dB(A) Sound pressure level at 3m 35 dB(A) Water outlet-Heating 25~80 °C Water outlet-Cooling 5~25 °C Water outlet-DHW 25~70 °C -
Mechanical Specifications
Dimensions (W × H × D) 1310 × 1050 × 465 mm Weight 154kg
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STU1-C16R290
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Electrical Specifications
Power supply 220 ~ 240 V / 1N~ / 50 Hz SCOP-LWT at 35°C 4.90 SCOP-LWT at 55°C 3.83 Refrigerant-Type/GWP R290/3 Refrigerant-Charged volumn 1.5 kg Sound pressure level at 1m 38 dB(A) Sound pressure level at 3m 35 dB(A) Water outlet-Heating 25~80 °C Water outlet-Cooling 5~25 °C Water outlet-DHW 25~70 °C -
Mechanical Specifications
Dimensions (W × H × D) 1310 × 1050 × 465 mm Weight 154kg
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STU3-C08R290
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Electrical Specifications
Power supply 380 ~ 415 V / 3N~ / 50 Hz SCOP-LWT at 35°C 5.44 SCOP-LWT at 55°C 4.12 Refrigerant-Type/GWP R290/3 Refrigerant-Charged volumn 1.2 kg Sound pressure level at 1m 35 dB(A) Sound pressure level at 3m 32 dB(A) Water outlet-Heating 25~80 °C Water outlet-Cooling 5~25 °C Water outlet-DHW 25~70 °C -
Mechanical Specifications
Dimensions (W × H × D) 1310 × 1050 × 465 mm Weight 151kg
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STU3-C10R290
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Electrical Specifications
Power supply 380 ~ 415 V / 3N~ / 50 Hz SCOP-LWT at 35°C 5.30 SCOP-LWT at 55°C 4.07 Refrigerant-Type/GWP R290/3 Refrigerant-Charged volumn 1.2 kg Sound pressure level at 1m 35 dB(A) Sound pressure level at 3m 32 dB(A) Water outlet-Heating 25~80 °C Water outlet-Cooling 5~25 °C Water outlet-DHW 25~70 °C -
Mechanical Specifications
Dimensions (W × H × D) 1310 × 1050 × 465 mm Weight 151kg
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STU3-C12R290
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Electrical Specifications
Power supply 380 ~ 415 V / 3N~ / 50 Hz SCOP-LWT at 35°C 5.07 SCOP-LWT at 55°C 3.89 Refrigerant-Type/GWP R290/3 Refrigerant-Charged volumn 1.5 kg Sound pressure level at 1m 37 dB(A) Sound pressure level at 3m 34 dB(A) Water outlet-Heating 25~80 °C Water outlet-Cooling 5~25 °C Water outlet-DHW 25~70 °C -
Mechanical Specifications
Dimensions (W × H × D) 1310 × 1050 × 465 mm Weight 165kg
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STU3-C14R290
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Electrical Specifications
Power supply 380 ~ 415 V / 3N~ / 50 Hz SCOP-LWT at 35°C 4.94 SCOP-LWT at 55°C 3.84 Refrigerant-Type/GWP R290/3 Refrigerant-Charged volumn 1.5 kg Sound pressure level at 1m 38 dB(A) Sound pressure level at 3m 35 dB(A) Water outlet-Heating 25~80 °C Water outlet-Cooling 5~25 °C Water outlet-DHW 25~70 °C -
Mechanical Specifications
Dimensions (W × H × D) 1310 × 1050 × 465 mm Weight 165kg
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STU3-C16R290
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Electrical Specifications
Power supply 380 ~ 415 V / 3N~ / 50 Hz SCOP-LWT at 35°C 4.90 SCOP-LWT at 55°C 3.83 Refrigerant-Type/GWP R290/3 Refrigerant-Charged volumn 1.5 kg Sound pressure level at 1m 38 dB(A) Sound pressure level at 3m 35 dB(A) Water outlet-Heating 25~80 °C Water outlet-Cooling 5~25 °C Water outlet-DHW 25~70 °C -
Mechanical Specifications
Dimensions (W × H × D) 1310 × 1050 × 465 mm Weight 165kg
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Control Unit STN1-C01-
Electrical Specifications
Power supply 220 ~ 240 V / 1N~ / 50 Hz Rated current 0.1A -
Interface & Communication
User interface 4 inch high-resolution touch panel Communication WiFi/Ethernet/RS485 -
Installation & Mechanical Specifications
Installation Wall mounting Dimensions (W × H × D) 340 × 400 × 80 mm Weight 6.5 kg
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Hydraulic Unit STN1-C02-
Electrical Specifications
Power supply 220~240 V / 1N~ / 50 Hz Rated current 39.5 A -
Interface & Communication
User interface 4 inch high-resolution touch panel Communication WiFi/Ethernet/RS485 -
Installation & Mechanical Specifications
Installation Wall mounting Dimensions (W × H × D) 420x700x265 mm Weight 33 kg
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Hydraulic Unit STN3-C02-
Electrical Specifications
Power supply 380 ~ 415 V / 3N~ / 50 Hz Rated current 13.5A -
Interface & Communication
User interface 4 inch high-resolution touch panel Communication WiFi/Ethernet/RS485 -
Installation & Mechanical Specifications
Installation Wall mounting Dimensions (W × H × D) 420x700x265 mm Weight 33 kg
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Hydraulic Integrated Unit STN1-C03-
Electrical Specifications
Power supply 220 ~ 240 V / 1N~ / 50 Hz Rated current 52.3 A -
Interface & Communication
User interface 4 inch high-resolution touch panel Communication WiFi/Ethernet/RS485 -
Installation & Mechanical Specifications
Installation Floor stand Dimensions (W × H × D) 595 × 1875 × 700 mm Weight 186 kg
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Hydraulic Integrated Unit STN3-C03-
Electrical Specifications
Power supply 380~415V/3N~/50HZ Rated current 17.5 A -
Interface & Communication
User interface 4 inch high-resolution touch panel Communication WiFi/Ethernet/RS485 -
Installation & Mechanical Specifications
Installation Floor stand Dimensions (W × H × D) 595x1875x700 mm Weight 186 kg
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