... energy saving, offer 5 working modes like Heating,Cooling, DHW, Heating+DHW, Cooling+DHW.2. Use Environment-friendly refrigerant R410A. ... high quality and reliability5. Intelligent microprocessor control with heating curve inside6. Perfect protection design such as anti- ... and maintenanceDATAS & APPLICATION----sanitary hot water, air heating, air coolingINSTALLATION Host unit#Should be installed in a ...