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Mitsubishi Single-Zone Mini-Split in Pittsburg

Mitsubishi single-zone mini-split outdoor unit installed for a home in Concord.

Installation of a Mitsubishi Electric 18,000 BTU single-zone ductless mini-split system in Concord. The outdoor unit was mounted on an elevated equipment base with the refrigerant lines protected in line-hide and the electrical disconnect installed nearby. The inverter-driven system provides both heating and cooling with precise temperature control and efficient part-load operation.

Project details

Recommendation and why

A Mitsubishi single-zone ductless system was selected to provide dedicated heating and cooling with inverter-driven capacity control and efficient year-round operation.

Installation challenges and work performed

Installed the outdoor unit on an elevated equipment base, connected the matching indoor wall-mounted unit, and routed the 1/4 in. x 1/2 in. refrigerant line set through protective line-hide. Electrical service and disconnect were completed at the outdoor unit.

Equipment details

Mitsubishi Electric M-Series single-zone ductless system with MUZ-GS18NA outdoor unit and MSZ-GS18NA indoor unit. 18,000 BTU nominal capacity, 230V electrical, inverter-driven compressor, approximately 21.6 SEER, Energy Star certified, with heating operation down to approximately -4°F and dry-mode dehumidification.

Observed result

Completed single-zone mini-split installation with the outdoor equipment securely mounted, line set protected, and the system configured to provide both heating and cooling.

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