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Shandong Lark Central Air Conditioner Co., Ltd.
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| Description: |
Mini Air to Water Heat Pump Unit (R410a)
LAWH (R) PA 05÷30
Cooling Capacity : 5.8÷29.3 kW
Heating Capacity : 6.3÷31.2 kW
Heat recovery rate 20-25%
STRUCTURE : Panels and base frame are made from galvanized steel protected with polyester powder painting to ensure total resistance to atmospheric agents.
HERMETIC COMPRESSORS : Single phase rotary type (mod. 05 only) and 3-phase scroll compressor (mod.08÷30), with thermal overload cut-out and crankcase heater mounted on rubber vibration isolators.
AXIAL FANS : External rotor type axial fans, equipped with single phase direct drive motors, low noise 6 poles, protection level IP54, provided with a protective outlet grille.
EVAPORATOR : High efficiency brazed stainless steel plate exchanger, factory insulated with flexible close cell material.
CONDENSER : Coils are consisting of seamless copper tubes mechanically expanded into blue hydrophilic aluminum fins, protected with flexible plastic grill.
DESUPERHEATER : High efficiency stainless steel brazed plate heat exchanger, factory insulated with flexible close cell material. (optional)
REFRIGERANT CIRCUIT : Copper tube connection with charge valve, filter, sight glass, gas-liquid separator, thermostatic expansion valve, low pressure switch with automatic reset, high pressure switch with manual reset.The heat pump unit is completed also with 4-way valve, liquid receiver and one way valve.
HYDRONIC CIRCUIT : Built with air vent valve, water drain connection, and female-threaded hydraulic connectors.
ELECTRIC PANEL :
Consists of :
Compressor Contactor;
Compressor Protection Breaker;
Fan motor protection Breaker;
Control circuit protection breaker;
Phase sequence relay (only for 3-phase power supplied units);
Programmable microprocessor controller
OPTIONAL : Additional electric heater embedded in the coils for defrosting in low temperature ambient. It must be factory installed.
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