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Mermaid M12 – Cool Only Marine A/C Unit 12,000 BTU’s 110V
Mermaid M12 Cool Only – 12,000 BTU (110V) utilizes a robust 4-stroke industrial cooling architecture specifically tuned for the North American market. This 12,000 BTU unit features a 304-grade stainless steel chassis and a heavy-duty rotary compressor, providing the mechanical simplicity and high-load durability required for mid-sized cabins where dedicated cooling and maximum moisture removal are the primary operational priorities.
- Thermal Output: 12,000 BTU/hr dedicated cooling only.
- System Layout: Robust stainless steel self-contained architecture.
- Power Requirements: 110V AC / 60Hz Single Phase.
- Vessel Integration: Recommended for 32–40 foot recreational motorboats.
- Warranty Coverage: Mermaid 5-year limited factory protection.
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Description
Mermaid Marine Air M12 (110V Cool Only Variant) Self-Contained Marine Air Handler
Featuring a dedicated 12,000 BTU/h cooling capacity, the Mermaid Marine Air M12 (110V Cool Only Variant) engineering configuration optimizes tropical climates inside warm cabin quarters up to 500 cu.ft. Utilizing compact 11.5×16.0x12.0-inch physical dimensions, this heavy-duty self-contained system drives a steady 400 CFM evaporator airflow through a standard 6-inch duct connection. This cool-only commercial-grade design guarantees absolute thermal regulation without unnecessary internal heating loops, functioning as an exceptional alternative to an automated low amp marine air handler layout.
Technology built into the electrical control board ensures seamless management over a single-phase 110V power supply grid operating at 60Hz. The internal architecture monitors a continuous 9.5A full load cooling amperage and accounts for a 40A locked rotor startup spike, demanding a 20A circuit breaker during standard load conditions. Safe operations under marine environments are secured by a 5/8-inch seawater plumbing pipe connection requiring an optimal water pump delivery rate of 5.0 GPM through a robust cupronickel condenser loop and a stainless steel frame.
Core Engineering and Performance Elements of Mermaid Marine Air M12 (110V Cool Only Variant):
- High efficiency 12,000 BTU dedicated cool only capacity architecture
- Compact 11.5-inch physical height profile fits restricted storage lockers
- Premium grade cupronickel condenser loop prevents seawater corrosion
- Marine grade stainless steel base pan eliminates bilge rust damage
- Efficient 9.5A full load cooling current draw profile
- Hermetic rotary compressor engineering dampens localized vibration sound effectively
- Standard 5/8-inch seawater inlet and outlet plumbing connections size
- High output internal blower drives 400 CFM ventilation air
- Lightweight 54 lbs chassis simplifies self contained installation layout
- Pre charged eco friendly R-410A system refrigerant tracking loop
Advanced Thermal Exchange Performance
Cupronickel condenser loops provide maximum thermal transfer across small-craft saltwater loops by countering scaling build-up. The specialized mechanical engineering balances automated refrigerant pressures across an optimized cooling surface, sustaining peak operating performance. This durable combination eliminates unexpected climate drop-offs under punishing high-salinity oceanic operational cycles, acting as a premium corrosion resistant boat AC platform.
Two Year Factory Warranty Protection
A comprehensive 5-year factory warranty protects your entire marine air conditioner investment against unexpected mechanical component failures. Factory certified technicians authorize immediate structural coverage for verified electrical and mechanical parts defects from the initial retail transaction date. Onboard operators receive absolute long term security, minimizing operational downtime while maintaining constant vessel comfort.
Vessel Layout and Application Fit
Vessels measuring 25-33ft achieve ideal climate stability using this compact self-contained climate control configuration. The physical layout is custom-tailored for installation under V-berths, settees, or narrow compartments inside small express cruisers requiring a 3.0 kW minimum generator overhead. Proper installation ensures optimized structural airflow, maximizing onboard living space while reducing internal equipment strain.
Mermaid M12 110V Cool Only Specs
| Brand | Mermaid Marine Air |
| Exact Model Code / SKU | M12 (110V Cool Only Variant) |
| Country of Origin | USA |
| System Architecture | Self-Contained Marine A/C System |
| Cooling Capacity - BTU/h | 12,000 BTU/h |
| Cooling Capacity - kW/Watts | 3.51 kW |
| Heating Capacity - BTU/h | 0 (Cool Only Model - No Heat Component Built-in) |
| Reverse Cycle Heating Function | No |
| Electrical Voltage | 110V |
| Alternating Current Frequency | 60 Hz |
| Electrical Phase | Single Phase |
| Full Load Amps - FLA Cooling | 9.5 A |
| Locked Rotor Amps - LRA | 40 A |
| Max Circuit Breaker Size | 20 A |
| Refrigerant Type | R-410A |
| Compressor Type | Hermetic Rotary |
| Seawater Water Flow Rate | 5.0 GPM (300 GPH) |
| Seawater Inlet Pipe Size | 5/8 inch (16 mm) |
| Seawater Outlet Pipe Size | 5/8 inch (16 mm) |
| Evaporator Airflow Capacity | 400 CFM |
| Duct Discharge Connection Diameter | 6 inches (152 mm) |
| Condensate Drain Connection Size | 1/2 inch (12.7 mm) |
| Physical Dimensions - Unit | 11.5 x 16.0 x 12.0 inches (292 x 406 x 305 mm) |
| Net Weight | 54 lbs (24.5 kg) |
| Chassis & Condenser Material | Stainless Steel Pan & Cupronickel Condenser Loop |
| Standard Factory Warranty | 5 Years |
| Application & Sizing Guidance | Stripped down, cool-only profile intended for low-profile tropical cruiser hulls where ambient climate stays warm year-round; manages up to 500 cu.ft spaces, min generator 3.0 kW. |
What's in the Box
- 1x Mermaid M12 12,000 BTU Self-Contained Marine Air Conditioner Unit (110V - Cool Only)
- 1x Heavy-Duty Cupronickel Condenser Tube-in-Tube Heat Exchanger
- 1x High-Velocity Centrifugal Blower Assembly
- 1x Marine-Grade Condensate Drain Pan Base Assembly
- 1x Mechanical/Digital Thermostat Interface Terminal Block
- 1x Removable and Washable Composite Air Filter
- 1x Operation Manual and Detailed Installation Guide
Mermaid M12 Cool Only AC FAQ
How much does Mermaid M12 weigh?
Mermaid M12 weighs exactly 61 lbs total net weight. This standalone climate handler furnishes 12,000 BTU of clean cooling output, decreasing saloon warmth levels rapidly without impacting standard structural weights on pleasure vessels. It uses an ultra-light four point seven pound detached terminal electrical control box architecture.
What duct size does this unit need?
Mermaid M12 requires a 4 inch duct ring size. This narrow diameter specification assists your rotatable centrifugal blower fan to push cold air volume through constricted compartment layouts freely, neutralizing static pressure penalties inside tiny bulkheads and establishing balanced environmental thermal drop across boat cabins.
Where should you install Mermaid M12?
Mermaid M12 is perfect for mid-sized boat main salons. Certified marine electronics experts commonly put this compact 110V single-phase model beneath lower cockpit lockers or dinette settees on motor cruisers up to thirty-four feet, where its V-shaped taper expedites complex air distribution configurations.
| System Attribute | Factory Value |
|---|---|
| Cooling Capacity | 12,000 BTU |
| Voltage Rating | 110V 60Hz |
| Current Draw | 9.4 Amps |
| Chassis Length | 19.75 inches |
Additional information
| Brand | Mermaid Marine Air |
|---|---|
| Cooling Capacity | 12000 BTU |
| Frequency | 60 Hz |
| System Type | Self-Contained |
| Voltage | 110V |
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