OA-DC-ZY Series
Features：Concealed condenser, compact structure, small sizeThree-speed fan adjustment (high, medium, low)Dual condensate water outlet designEnvironmentally friendly refrigerant, strong cooling and heating capacityDigital control, comprehensive protectionCorrosion-resistant, anti-vibration, and anti-shake designTechnical Specifications● OA-24ZS:S indicates electrical system: 380V/50Hz/3Ph, default is 220V/50Hz/1Ph.24 indicates model size, cooling/heating capacity of 24,000 Btu/h.Effective water source temperature range: 3~35°C (rivers, seawater, etc.)Condenser material: 90-10 copper-nickel tube / titanium tubeEvaporator material: Copper fin / Copper tubeRefrigerant: R410AOptional auxiliary electric heaterSpecifications:
OA-DC24-1.5ZB Series
Features:Compact cabinet structure with an aesthetically pleasing appearance and easy installation.Stepless energy regulation.High and low pressure protection for the refrigeration system.Built-in RS485 communication interface for remote control, supporting the MODBUS protocol.Patented product - beware of counterfeits.Technical SpecificationsModel: OA-DC24-1.5ZB"ZB" denotes an integrated cabinet-type air conditioner."1.5" denotes the specification/size.Cooling Capacity: 1500 Btu/hPower Supply: DC24VEffective Operating Water Temperature (Rivers, Lakes, Seawater): 10°C to 35°CEvaporator Material: Copper fin/Gold finCondenser Material: B10 Cupronickel tube/Titanium tubeRefrigerant: R134aSpecifications：
OA-ZY Series
Features:Compact structure and small size.Utilizes low-noise EC fans, suitable for marine environments.Low starting current; soft-start module available for special requirements.Uses eco-friendly refrigerant with high cooling and heating capacity.Digital control with comprehensive protection functions.Designed with corrosion, vibration, and sway resistance.Technical SpecificationsModel: OA-18ZY18: Denotes the model size, with a cooling/heating capacity of 18,000 Btu/h.Power Supply: 220V / 50Hz / 1 PhaseEffective Operating Water Temperature (Rivers, Lakes, Seawater): 3°C to 35°CCondenser Material: B10 Cupronickel Tube / Titanium TubeEvaporator Material: Gold Fins / Copper FinsRefrigerant: R410A / R134aSpecification:
OA-TC-ZY Series
FeaturesTwo-stage startup per unit for reduced inrush currentIntegrated control panel, circulation pump, and water replenishment moduleLow-noise operationDigital control with comprehensive protection functionsCorrosion, vibration, and sway resistant designPatented product - beware of counterfeitsProtection FunctionsWater flow protection: seawater & circulating waterRefrigerant pressure protection: high & low pressureCompressor protection: overload & overheatingSeawater temperature protection: low seawater temperature, inlet/outlet water temperature differentialCirculating water temperature protection: high/low circulating water temperature, inlet/outlet water temperature differentialSpecial anti-corrosion protection: zinc rod corrosion protection (optional)Technical SpecificationsModel: OA-48TC-ZY48: indicates model size with cooling/heating capacity of 48,000 Btu/hPower Supply: 220V/50Hz/1PhEffective Operating Water Temperature (Rivers, Lakes, Seawater): 3-35°CDrain Pan & Frame: Stainless steelCondenser Material: B10 cupronickel tube/titanium tubeEvaporator Material: 316 stainless steelRefrigerant: R410ASpecification：
OA-Z Series
Features:Concealed condenser with compact structure and small size.Fan speed adjustable in high, medium, and low three-speed settings.Dual condensate water outlet design.Eco-friendly refrigerant with high cooling and heating capacity.Digital control with comprehensive protection functions.Corrosion, vibration, and sway resistant design.Technical SpecificationsModel: OA-24ZSS: Denotes power supply as 380V/50Hz/3Phase (default is 220V/50Hz/1Phase).24: Indicates model size with a cooling/heating capacity of 24,000 Btu/h.Effective Operating Water Temperature (Rivers, Lakes, Seawater): 3–35°CCondenser Material: B10 Cupronickel Tube / Titanium TubeEvaporator Material: Gold Fins / Copper FinsRefrigerant: R410AOptional: Auxiliary Electric HeaterSpecification：
OA-ZX Series
FeaturesConcealed condenser, cabinet structure, and compact sizeEC motor fan with stepless speed controlDual condensate drainage outletsAdjustable air outlet direction (front/top) with high cooling/heating capacityDigital control with comprehensive protection featuresCorrosion, vibration, and sway resistant designTechnical SpecificationsModel: OA-24ZXSS: Indicates 380V/50Hz/3Phase power supply (default: 220V/50Hz/1Phase)24: Specifies cooling/heating capacity of 24,000 Btu/hEffective Water Temperature Range (Rivers/Lakes/Seawater): 3-35°CCondenser Material: B10 cupronickel tube/Titanium tubeEvaporator Material: Gold fin/Copper finRefrigerant: R410AOptional: Auxiliary electric heaterSpecification：
OA-BPZ Series
FeaturesCompact structure, small size, easy installationLow-frequency start-up with low current consumption, significantly reducing generator power requirementsHigh and low pressure protection for the refrigeration systemAnti-corrosion, anti-vibration, and anti-shake designPatented product, beware of counterfeitsTechnical SpecificationsOA-36BPZ:BPZ indicates an integrated inverter air conditioner, 36 indicates the model sizeCooling/Heating Capacity: 36,000 Btu/hPower Supply: 220V/50Hz/1-PhaseApplicable Water Source Temperature (Rivers, Lakes, Seawater): 4–35°CEvaporator Material: Copper foil/Gold foilCondenser Material: B10 Cupronickel tube/Titanium tubeRefrigerant: R410ASpecifications Parameters
OA-F Series
FeaturesWater-source cooling, eco-friendly refrigerant, high energy efficiencyCompact structure, small dimensionsDigital control, comprehensive protectionCan be installed in bilges to save cabin spaceDesigned for corrosion resistance, vibration resistance, and sway resistancePatented design, beware of counterfeitsTechnical SpecificationsOA-24FS:S indicates power supply: 380V/50Hz/3Phase (default is 220V/50Hz/1Phase).24 indicates model size, with cooling/heating capacity of 24,000 Btu/h.Suitable for water sources (rivers, lakes, seawater) with effective temperature range of 3–35°C.Condenser material: B10 copper-nickel tube / titanium tube.Refrigerant: R410A.Specifications
OA-TCS Series
FeaturesModular design: Allows parallel connection of water systems for flexible configuration, meeting large cooling/heating demands, improving regulation performance, and reducing starting current.Removable coaxial tube-in-tube heat exchanger on the river/lake/seawater side for easy cleaning and maintenance.Capable of heating with low water source temperatures as low as 3°C, maintaining over 70% of rated heating capacity.Fully enclosed imported brand compressor with low noise levels.Digital control with multiple protection functions.Designed for corrosion, vibration, and sway resistance.Modular frame structure supports horizontal or vertical parallel arrangement to suit different spatial requirements.Protection FunctionsWater flow protection: Protection against lack of water or flow interruption in both seawater and circulating water systems.Refrigerant pressure protection: High-pressure and low-pressure protection.Compressor protection: Overload and overheating protection.Water temperature protection:Low seawater temperature protection; inlet/outlet water temperature differential protection.Circulating water high/low temperature protection; inlet/outlet water temperature differential protection.Optional: Zinc anode anti-corrosion protection.Technical SpecificationsOA-48TCS48 indicates model size, with a cooling/heating capacity of 48,000 Btu/h.S indicates power supply: 380V/50Hz/3Phase (default is 220V/50Hz/1Phase).Effective operating temperature range for river/lake/seawater: 3–35°C.Drain pan and frame material: Stainless steel.Condenser material: B10/B30 copper-nickel tube / titanium tube.Evaporator material: 316L stainless steel.Refrigerant: R410A / R407C.Specification
NxOA-TCS-B Series
FeaturesModular Design: Enables parallel connection of water systems for flexible configuration, meeting high cooling/heating demands. The modular units utilize inverter technology, significantly reducing starting current and required generator power. This enhances temperature control precision, improves cabin comfort, and increases unit energy efficiency.Removable combined coaxial heat exchanger on the river/lake/seawater side, facilitating cleaning and maintenance.Configurable with inverter units in a single module or across all modules.Digital precision control, multiple protection functions, and fault alarms.Corrosion-resistant, vibration-resistant, and sway-resistant design.Modular frame structure allowing for horizontal parallel installation, simplifying the setup process.Technical Specifications3x0A-120TCS-B1:The digit 3 indicates the number of modular units.The digit 1 indicates the number of inverter units.120 indicates the model size, with a cooling/heating capacity of 120,000 Btu/h.Power Supply: 380V / 50Hz / 3PHEffective Water Source Temperature Range: 3~35°C (Rivers, Lakes, Seawater)Drain Pan & Frame: Stainless SteelCondenser Material: B10/B30 CuNi Tube / Titanium TubeEvaporator Material: 316L Stainless SteelRefrigerant: R410ASpecifications
