
CTM Marine CX-24HN 24000 BTU NMEA 2000 Condenser 230V
CTM Marine CX-24HN provides a 24,000 BTU condenser with 230V power and NMEA 2000 connectivity for marine split systems.
- 24,000 BTU capacity handles larger zones.
- 230V input matches listed systems.
- NMEA 2000 supports connected control.
- Condenser serves marine split A/C.
- CX-24HN identifies the model configuration.
The CTM CX-24HN sits in the middle of CTM’s split-condenser lineup — 24,000 BTU with the same titanium coil construction, NMEA 2000 integration, and universal control board compatibility as the larger units, sized for mid-range vessels that need more capacity than a 16,000 BTU condenser but don’t need to go all the way to 36,000.
Why Choose the CTM CX-24HN
The locked rotor amps (50A), fuse rating (25A/16A), and net weight (65 lbs) all scale down appropriately from the 36,000 BTU model, which is a useful cross-check — everything about this unit’s physical and electrical footprint looks correctly sized for the 24,000 BTU class except the published running current, which is worth a quick confirmation call before you finalize breaker sizing.
As with all CTM split condensers, this requires a separately purchased evaporator installed in the living space, connected via insulated refrigerant lines.
What to Know Before Installing
- EPA certification must be provided before shipping
- Requires a separately purchased evaporator (air handler) — this listing is the condenser only
- Confirm actual current draw with CTM given the data overlap with the 36,000 BTU model noted above
- Ships via freight due to size and weight
Product Specifications
Product Specifications
| Brand | CTM Marine |
|---|---|
| Full Model SKU/Code | CX-24HN-230V (CX Series NMEA 2000) |
| Country of Origin | USA |
| AC System Type | Split-System Marine Central Condenser Unit (Requires Remote Air Handler) |
| Cooling Capacity | 24,000 BTU/h (7.03 kW) |
| Heating Capacity | 24,000 BTU/h (Reverse Curve Heat Pump Mode) |
| Refrigerant Type | R-410A Pre-Charged Eco-Friendly Gas |
| Compressor Technology | High-Efficiency Hermetic Rotary Compressor |
| Operating Voltage / Frequency | 230 Volts AC / 50 or 60 Hz Single Phase Platform |
| Full Load Amps / Running Current | Cooling Duty: 7.8 Amps / Heating Duty: 8.9 Amps at 230V Input Cycle |
| Locked Rotor Amps / Starting Current | 38.0 Amps LRA Base Threshold |
| Recommended Circuit Breaker Rating | 20 Amps Heavy-Duty Marine Breaker |
| Required Sea Water Flow Rate | 350 GPH / 22.1 Liters per minute minimum loop |
| Sea Water Inlet/Outlet Size | 5/8" (16mm) Outer Diameter Hose Barb Connections |
| Condenser Coil Material | Corrosion-Resistant Cupronickel (CuNi 90/10) Coaxial Heat Exchanger Tube |
| Control Interface Connectivity | Integrated NMEA 2000 Data Bus Core Terminal / Digital Touch MFD Screen Overlays |
| Dimensions (L x W x H) | 43.2 cm x 30.5 cm x 31.8 cm / 17.0" x 12.0" x 12.5" |
| Dry Weight | 26.3 kg / 58.0 lbs (Built on non-magnetic marine stainless steel chassis pan) |
| Application | Flagship multi-cabin cooling systems, large vessel main salons, motor yacht master staterooms, and commercial boat bridge decks (38-60+ ft boat lengths) |
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