... 4.hIgh COP, no frosting at -15C Air heat pumpevaporator is at the top part of ... part. Good to return oil. V type , air flow through the evaperator evenly. Working condition: from ... .working mode: heating mode and cooling mode Air heat pumpMD200D Technical parameters:Rated input power:18 ... R404AControl system:Multi-control Heating,Ventilating and Air Conditioning.Heating and cooling for Hotel,Apartment,industral ...