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CTM CX-48HN – 48,000 BTU Condenser – Marine Split A/C Unit – 230V – 50/60HZ – R410A NMEA 2000
CTM CX-48HN serves as a 48,000 BTU marine split A/C condenser with 230V 50/60HZ power, R410A, and NMEA 2000.
- 48,000 BTU capacity supports larger zones.
- 230V input suits listed installations.
- 50/60HZ operation covers listed frequencies.
- R410A identifies the refrigerant specification.
- NMEA 2000 supports networked control.
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Description
Vessels in the 60 to 80-foot range often need more cooling capacity than any self-contained unit can practically deliver, and the CTM CX-48HN condenser handles that scale — 48,000 BTU with NMEA 2000 embedded control, built as a drop-in replacement for major split-system brands including Dometic, Cruisair, and Marine Air.
Key Features of the CTM CX-48HN Condenser
- NMEA 2000 integration works with Garmin Empirbus, OneHelm, and Raymarine YachtSense for embedded HVAC control from existing MFDs
- Titanium condenser coils resist corrosion 40% better than copper in seawater cooling applications
- Universal control board is compatible with SMXir, Passport I/O, Smart Touch, and Elite II controllers
- Stainless steel frame base resists rust and structural breakdown in harsh marine environments
- Soft start technology delivers 65-75% start current reduction compared to the compressor’s locked-rotor amperage
CTM CX-48HN Technical Specifications
- Capacity: 48,000 BTU
- Voltage: 208-240V
- Cycle: 50-60 Hz
- Refrigerant: R410A
- Current Consumption (Cool/Heat): 14.0 A / 19.0 A
- Locked Rotor Amps: 123 A
- Fuse Max/Min: 65 A / 40 A
- Seawater Inlet: 3/4″
- Suggested Water Flow: 1,000 GPH
- Dimensions (W x H x D): 13.07″ x 18.39″ x 19.17″
- Net Weight: 127 lbs
- Warranty: 2 years (registered), condenser and compressor components
Why Choose the CTM CX-48HN
This is a condensing unit only — it requires a separate air handler (evaporator) installed in the living space, connected by insulated refrigerant lines, which is the fundamental trade-off of split systems versus self-contained units. That separation is exactly what makes split systems quieter in the cabin and more practical for large vessels running multiple HVAC zones off one or more condensers.
An EPA certificate is required before CTM ships any split condensing unit — factor that into your ordering timeline if you don’t already have one on file.
What to Know Before Installing
- EPA certification must be provided before shipping; contact CTM directly if you don’t have one
- Requires a separately purchased evaporator (air handler) unit — this listing is the condenser only
- Ships via freight due to size and weight
- Waterline connections should match your existing unit; the CX-48HN uses a 3/4″ seawater inlet
| Brand | CTM Marine |
| Exact Model Code / SKU | CX-48HN (NMEA 2000 Version) |
| Country of Origin | USA |
| System Architecture | Split System Condenser |
| Cooling Capacity - BTU/h | 48,000 BTU/h |
| Cooling Capacity - kW/Watts | 14.06 kW |
| Heating Capacity - BTU/h | 48,000 BTU/h |
| Reverse Cycle Heating Function | Yes |
| Electrical Voltage | 230V |
| Alternating Current Frequency | 50/60 Hz |
| Electrical Phase | Single Phase |
| Full Load Amps - FLA Cooling | 13.2 A |
| Full Load Amps - FLA Heating | 16.8 A |
| Locked Rotor Amps - LRA | 84 A |
| Max Circuit Breaker Size | 50 A |
| Refrigerant Type | R-410A |
| Compressor Type | Hermetic Scroll |
| Seawater Water Flow Rate | 13.3 GPM (800 GPH) |
| Seawater Inlet Pipe Size | 3/4 inch (19 mm) |
| Seawater Outlet Pipe Size | 3/4 inch (19 mm) |
| Physical Dimensions - Unit | 16.0 x 16.0 x 15.5 inches (406 x 406 x 394 mm) |
| Net Weight | 95 lbs (43.1 kg) |
| Chassis & Condenser Material | Stainless Steel Pan & Titanium Coils |
| Standard Factory Warranty | 2 Years |
| Application & Sizing Guidance | Ideal for mega-yacht salons or commercial vessel spaces up to 2,400 cu.ft, boat length 50+ ft, features NMEA 2000 link, min generator 8.5 kW. |
What's in the Box
- 1x CTM CX-48HN 48,000 BTU Marine Split System Condenser Unit (230V - 50/60Hz)
- 1x Integrated NMEA 2000 Embedded Control Board
- 1x Environmentally Friendly R410A Refrigerant Charge
- 1x Corrosion-Proof Titanium Seawater Circulating Condenser Coil
- 1x Heavy-Duty Stainless Steel Base Pan with Shock-Absorbing Mounts
- 1x Quick-Connect Refrigerant Line Service Valves
- 1x User Manual and Installation Guide
CTM CX-48HN Split Condenser FAQ
What voltage rating does CX-48HN use?
CTM CX-48HN utilizes a standard 230V power input. This single-phase electrical design is perfect for international harbor grids and heavy-duty yacht generator circuits, allowing vessel owners to install premium climate management setups without retrofitting or overloading lower-voltage ship service lines on their electrical boards.
What are the physical dimensions of CX-48HN?
CTM CX-48HN has a footprint of 24x17.5x17.5 inches. These distinct space boundaries enable simple drop-in placement beneath bunk spaces or inside cockpit lockers, offering an efficient layout alternative for tight companionway builds across various large pleasure craft or commercial watercraft hulls.
When is CTM CX-48HN best applied?
CTM CX-48HN is best applied in dedicated engine rooms and mechanical spaces 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 Metric | Factual Value |
|---|---|
| Output Rating | 48,000 BTU |
| Net Weight | 115 lbs |
| Plumbing Inlet | 5/8 inch |
| Refrigerant Type | R410A |
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