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The CARRIER D5CERAA09AAK is a cooling-only condensing outdoor unit (CDU) designed for ductless mini-split systems operating on R-454B refrigerant. Rated at 9,000 BTU/h and running on 230 volts, this unit serves as the outdoor portion of a split cooling system, rejecting heat extracted from the conditioned space. Part of Carrier's Performance Series line, it is intended for installation by licensed HVAC technicians in residential and light-commercial applications where cooling-only capability is required and heating is handled by separate equipment. The cabinet weighs approximately 46.96 pounds and measures 68.88 inches by 28.35 inches by 19.49 inches.
This unit is engineered for cooling-only ductless split applications and pairs with a compatible indoor air handler or cassette to form a complete system. Its R-454B refrigerant charge makes it compliant with lower global-warming-potential requirements that apply in regulated regions. Typical installation scenarios include single-zone residential rooms, server closets, and small commercial spaces where dedicated cooling without a heat-pump function is the specified system design. Installation is performed by a licensed HVAC technician familiar with low-GWP refrigerant handling procedures.
Designed as an OEM outdoor condensing unit for Carrier Performance Series ductless cooling-only systems using R-454B refrigerant. Pair with a compatible Carrier indoor evaporator unit rated for R-454B and 9,000 BTU/h. Consult Carrier's submittal documentation to confirm matched indoor unit compatibility before installation.
Installation must be performed by an EPA Section 608-certified HVAC technician with authorization to handle R-454B refrigerant. Disconnect and lock out all electrical power before making any wiring or refrigerant connections. Mount the outdoor unit on a level, structurally sound pad or bracket following the manufacturer's clearance requirements for airflow and serviceability. Follow all local mechanical codes and the manufacturer's installation manual for line-set sizing, electrical disconnect requirements, and startup procedures.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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