All-in-One Air Source Heat Pump Combo Type 190L (50Hz)

All-In-One Air Source Heat Pump Combo Type 190L(50Hz)
RSJ-15/190RDN3-D
COP: 3.6 
(A15/12, W15/45)
Ambient: -20°C~43 °C
R134a gas, environmentally friendly.
Water output temperature: 38ºC~70ºC. 

No contamination potential, the condenser coil is wrapped around outside the tank.
Multi protection:PTR valve, double high water temperature protection switches (Manual and Automatic).
Auto mode selection & Vocation mode.
Automatic weekly disinfect function.
Four-way valve for automatic defrosting.
Close refrigerant circuit, easy for plumber installation.
User-friendly LCD display for easy interaction. 
15 Pa air outlet pressure enables a duct length up to 5 meters.