CTM CX-48HS – 48,000 BTU Condenser – Marine Split A/C Unit – 230V – 50/60HZ – R410A w/ Soft Start

Description

Large yachts running on generator or limited shore power face a real electrical constraint that smaller boats don’t: starting a 48,000 BTU compressor can draw enough inrush current to trip a breaker or overwhelm an undersized generator. The CTM CX-48HS solves this directly with a built-in soft start board, letting the largest condenser in CTM’s split lineup start reliably even when power capacity is genuinely limited.

Beyond the electrical benefit, soft start technology extends the practical life of the compressor itself by reducing the mechanical stress of every startup cycle, and it makes the boat noticeably more livable — starting the AC no longer means a jarring surge that dims lights or trips other equipment running at the same time. For a vessel with multiple air conditioning zones, that difference compounds across every unit running soft start.

Key Features of the CTM CX-48HS Condenser

This is CTM’s largest condenser, built to move serious cooling and heating capacity through big living spaces while keeping startup current manageable. The soft start technology below is the defining feature that separates this model from the standard CX-48HN.

• Built-in soft start board delivers 65-75% start current reduction versus the compressor’s locked-rotor amperage
• Titanium condenser coils resist corrosion significantly better than copper in seawater applications
• Universal control board compatible with SMXir, Passport I/O, Smart Touch, and Elite II controllers
• Drop-in replacement compatibility with major split-system brands including Dometic and Cruisair
• Enables running two air conditioners on a single 30-amp shore power cord

CTM CX-48HS Technical Specifications

Specifications below reflect the 230V soft-start configuration as published on CTM’s official spec sheet. These numbers are consistent with the standard CX-48HN model’s published data, unlike some of CTM’s mid-range condensers where current draw figures have shown data entry overlaps between models.

• 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

Why Choose the CTM CX-48HS

This is the unit to choose if your boat’s generator or shore power is genuinely limited, since soft start turns what would otherwise be a hard electrical requirement into a manageable one. It’s backed by CTM’s standard 2-year warranty against material and workmanship defects, giving real protection on what’s a significant investment for a large-vessel HVAC system.

What to Know Before Installing

• EPA certification must be provided before shipping
• Requires a separately purchased evaporator — this listing is the condenser only
• An 8-pin Elite II control with cable can be added at checkout if needed
• Ships via freight due to size and weight