Apply to domestic, commercial and industrial air-conditioning, floor heating, domestic hot water ,SPA and so on comprehensive energy-demand applicative site, and with CE,ETL,CETL document * Patent product with Multi-usage function: multi-function patent with five modes : air heating, air cooling, domestic hot water, air heating &domestic hot water at the same time, air cooling & domestic hot water at the same time, and provide swimming pool heating & air cooling & domestic hot water at the same time. * Application of working condition: Apply to -20 ~ 45 of ambient temperature, any weather ,day or night available * High efficient and energy saving: Using high efficient scroll compressor and 2 plate heat exchanger to provide high efficient hot water and cold water, choose double source heat pump ,the working source(air source or ground source) chosen automatically according to the ambient temperature ensure the heat pump work at highest efficiency state, when at the hot water + cold water model, COP can be more than 7.0. * Multiple protection ,safe and reliable : Unit built-in protections of hot water flow and air flow, compressor exhaust temperature, high and low pressure compressor, compressors flow and power fault phase, power supply fault and lack of phase ,freeze protection, automatic defrost and automatic load adjusting etc.
