StructurePanels and base frame are made from galvanized steel protected withpolyester powder painting to ensure total resistance to atmosphericagentsCompressorHermetic scroll type compressor, equipped with the crankcase heater andthermal protection with thermal overload cut-out and crankcase heatermounted on rubber vibration isolatorsAxial fanExternal rotor type axial fans, equipped with single phase direct drivemotors, low noise 6 poles, protection level IP54, provided with aprotective outlet grilleEvaporatorHigh efficiency and low pressure drop stainless steel (AISI 316) waterexchangers, with anti-freeze heating element (option) and differentialpressure switch, factory insulated with flexible close cell materialCondenserCoils are consisting of seamless copper tubes mechanically expandedinto blue hydrophilic aluminum fins, 100% fully quality tested; sub coolingcircuit to prevent freezing at the base (optional); protected with metal grillDesuperheaterHigh efficiency stainless steel brazed plate heat exchanger, factoryinsulated with flexible close cell material (optional)Refrigerant circuitCopper tube connection with charge valve, filter, sight glass, gas-liquidseparator, thermostatic expansion valve, low pressure switch withautomatic reset, high pressure switch with manual resetThe heat pump unit is completed also with 4-way valve, liquid receiverand one way valveWater circuitBuilt with air vent valve, water drain connection, and female-threadedhydraulic connectorsWater pump (8kW-30kW), differential pressure switchExpansion tank (8kW-30kW)Electric panelConsists of:l Compressor contactorl Compressor protection breakerl Fan motor protection breakerl Control circuit protection breakerl Phase sequence relay (only for 3-phase)l Programmable microprocessor controllerOptionalAdditional electric heater embedded in the coils for defrosting in lowtemperature ambient. It must be factory installedStainless steel coveringRemote condenserTube in tube heat exchangerWater circuit electric heater
