... Heat Pump 1.-25 DC low temp, EVI design 2.Cop to 4.8, 410A 3. House heating ... provide stable running and avoid any anfifreeze problem.2. 43°C ~-25°C wide range use. ... Reliable Components1. Hitachi EVI Scroll Compressor.2. Throttle type : Amerson Alco Thermal Expansion Valve3. Four-way valve: Japan ... low temp, -25 DC, split, CE, EN14511-2:2011, EN14511-2:2007, NFPAC, EURO-VENT, ENERGY-STAR, DOE, ...