Description
The Coleman-Mach 38203-0693 is a black 13,500 BTU Mach 3 Non-Ducted Quiet rooftop air conditioner. It is intended for RVs that discharge cooled air through a compatible ceiling air-distribution assembly rather than a built-in roof-duct network. The correct non-ducted plenum and control choice are essential to an operating system.
Exact Coleman-Mach specifications
- Manufacturer / series: Coleman-Mach Mach 3 Quiet
- Exact rooftop manufacturer MPN: 38203-0693
- Cooling capacity: 13,500 BTU/h
- System configuration: non-ducted
- Air conditioner type: Rooftop refrigerant cooling, not an evaporative cooler
- Electric supply: nominal 115–120V AC, 60 Hz; use nameplate for circuit protection
- Shroud: Textured Black, medium-profile
- Manufacturer rooftop dimensions: 13.8 in high × 26.1 in wide × 38.0 in long (textured housing)
- Refrigerant: Confirm on the supplied rooftop rating plate; Coleman-Mach has transitioned the 38000 family to R32 and older production may differ
- Heating: No built-in heat pump; compatible optional electric heater may be fitted using manufacturer-approved components
- Soft start built in: Not represented as included with this MPN
- Condition: New
Product design and performance
Cooling design: The Mach 3 Quiet Series uses large heat-exchange coils with raised lance fins, with nominal blower airflow of 320 CFM. Coleman-Mach emphasizes quieter operation for the Quiet Series; final noise level depends on the installed ceiling arrangement and ducting.
Ceiling system and fitment
This exact MPN is designated non-ducted by Coleman-Mach. It needs a manufacturer-matched non-ducted ceiling air-distribution assembly with the appropriate manual or wall-thermostat control equipment. A matching rooftop cutout alone does not make it a ducted unit.
Included product: One rooftop air-conditioning unit. Interior ceiling assembly, wall thermostat, optional heater and standalone accessories are separate unless a particular kit is expressly stated. Confirm the RV roof opening (typically 14 × 14 in), roof thickness, wiring and compatible ceiling part number before purchase.
Installation and warranty
Compare the entire original rooftop MPN and control-system type before replacing an RV air conditioner. Refrigerant, electrical current and safety instructions should be taken from the rating plate on the specific supplied unit, not from a different Coleman-Mach generation. Qualified installation is recommended.
Coleman-Mach's 2025 catalog describes a limited two-year manufacturer warranty for these air-conditioner families, subject to the written coverage and installation terms.
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