... shell heat exchanger 5.Wilo water pump HEAT PUMP -air source typeour website www.shenbao.com.cn/en , ... design such as anti-frost protection, high/ low pressure protection, water flow protection, high-temp protection, etc., and automatic defrost ... easy installation and maintenanceDATAS & APPLICATION----sanitary hot water, air heating, air coolingINSTALLATION Host unit#Should be installed in a larger ...