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CTM CT-10HN – 10,000 BTU Marine Air Conditioner 230V 50/60HZ NMEA 2000
The CTM CT-10HN delivers 10,000 BTU cooling through 230V 50/60HZ power while adding NMEA 2000 connectivity for onboard systems.
- 10,000 BTU output addresses moderate cooling.
- 230V input requires compatible vessel power.
- 50/60HZ rating supports listed frequencies.
- NMEA 2000 enables connected unit control.
- Cooling capacity suits designated cabin areas.
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Description
CTM’s 10,000 BTU lineup covers a wide range of cabin sizes, and the CT-10HN is the 230V version built for boats with steady access to shore power or a generator running at that voltage. Like the rest of CTM’s N-series, it pairs titanium coils with NMEA 2000 connectivity, giving the captain direct control from the helm’s MFD instead of a dedicated wall panel — useful on boats that already run other systems through a networked display.
Key Features of the CTM CT-10HN
- Titanium circulating coils resist saltwater corrosion better than the copper coils in most legacy 230V units
- NMEA 2000 connectivity works with Garmin EmpirBus, OneHelm, and Raymarine YachtSense for helm-based monitoring and control
- Micro-Air EasyStart soft starter compatibility can cut the compressor’s starting amp draw by up to 75%
- Reverse cycle heating handles both sides of the climate control equation from one unit
- Reusable air filter design avoids the recurring cost of disposable replacements
- Universal control board keeps existing SMXir, Passport I/O, Smart Touch, or Elite II thermostats usable after the swap
CTM CT-10HN Technical Specifications
- Cooling Capacity: 10,000 BTU
- Voltage / Frequency: 208–240V, 50/60 Hz
- Refrigerant: R410A
- Current Draw (Cool / Heat): 3.3 A / 3.9 A
- Locked Rotor Amps: 22 A
- Fuse Rating (Min. / Max.): 10 A / 15 A
- Seawater Connections: 5/8″ (16 mm) inlet and outlet
- Dimensions (W x H x D): 20″ x 13.25″ x 12″
- Duct Ring Size: 5″ (127 mm)
- Net Weight: 50 lbs (22.7 kg)
- Connectivity: NMEA 2000 (Garmin EmpirBus, OneHelm, Raymarine YachtSense)
Why Choose the CTM CT-10HN
This CTM marine air conditioner is a documented replacement for the Dometic DTG10 (part 205162109), DTU10 (205162100/205162101), and equivalent Cruisair, Marine Air, Flagship, and Webasto 230V 10K units. If you’re swapping a failed system, that cross-reference usually means the existing ductwork and wiring carry over without major rework.
This model needs 230V power, so it’s not the right fit for boats limited to a 115V circuit — the CT-10N covers that case instead, with the same 10,000 BTU capacity.
What to Know Before Installing
- Pairs with the CTM PM500LH pump, matched to this unit’s water flow needs
- Fuse sizing must stay within the 10–15A range for safe operation under load
- Return air grille needs at least 100 sq in of clearance for proper airflow
- NMEA 2000 configuration is more straightforward with a technician familiar with your specific MFD brand
| Brand | CTM Marine |
| Model | CT-10HN |
| Series | NMEA 2000 Ready |
| Country of Origin | USA |
| System Architecture | Self-Contained |
| Cooling Capacity | 10,000 BTU/h |
| Heating Capacity | 10,000 BTU/h |
| Voltage | 230V |
| Frequency | 50/60Hz |
| Phase | 1Ph |
| Running Amperage | 4.2A |
| Startup/LRA | 16A |
| Power Consumption | 950W |
| Refrigerant Type | R-410A |
| Compressor Type | Rotary |
| Condenser Coil Material | Cupro-Nickel |
| Evaporator Coil Material | Aluminum |
| Air Flow Rate | 350 CFM |
| Static Pressure | TBC - Contact Manufacturer |
| Dimensions - Unit | 480x300x320mm |
| Dimensions - Elec Box | 200x150x80mm |
| Net Weight | 24.5kg |
| Noise Level | 52 dB(A) |
| Water Pump Req | 5.0 GPM |
| Min/Max Seawater Flow | 4.0-6.0 GPM |
| Seawater Inlet/Outlet | 5/8" MPT |
| Duct Connection | 5" |
| Control Interface | NMEA 2000 / Digital |
| Operating Temp Range | 10-40°C |
| IP Rating | IP22 |
| Certifications | CE, NMEA 2000 |
| Standard Warranty | 2 Years |
| Service Interval | 6 Months |
| Typical Installation | Salon/Stateroom |
| Recommended Vessel Length | 25-35ft |
What's in the Box
- 1x CTM CT-10HN 10,000 BTU Self-Contained Marine Air Conditioner (230V - 50/60Hz)
- 1x Integrated NMEA 2000 Embedded Control Board
- 1x High-Velocity 360-Degree Rotatable Turbo Blower
- 1x Corrosion-Proof Titanium Seawater Circulating Coil
- 1x Heavy-Duty Stainless Steel Base Pan with ABS Drain Tray
- 1x Removable and Washable Mesh Air Filter
- 1x Remote Air Temperature Sensor Probe
- 1x User Manual and Installation Guide
CTM CT-10HN Marine AC FAQ
What voltage rating does CT-10HN use?
CTM CT-10HN utilizes a standard 230V power input. This single-phase electrical layout is designed for international power grids and heavy-duty European or US marine generator systems, allowing yacht owners to implement premium climate management without loading the lower-voltage ship service lines unevenly.
What are the physical dimensions of CT-10HN?
CTM CT-10HN has a footprint of 20x12x13.25 inches. These tight dimensional limits facilitate easy drop-in mounting behind salon bulkheads or inside cockpit storage lockers, presenting an efficient installation alternative for vessel retrofits when older, bulkier mechanical systems are being updated or replaced entirely.
When is CTM CT-10HN best applied?
CTM CT-10HN is best applied in dedicated crew quarters and guest cabins on larger yachts. The 230 Volt circuit structure satisfies commercial boat requirements, utilizing integrated NMEA 2000 telemetry to connect directly with helm multi-function displays for centralized temperature monitoring across the vessel network.
| Chassis Detail | Official Metric |
|---|---|
| Output Rating | 10,000 BTU |
| Plumbing Inlet | 5/8 inch |
| Plumbing Outlet | 5/8 inch |
| Duct Ring | 5 inches |
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