Samsung HVAC markets commercial VRF as DVM S2, in heat-pump and heat-recovery configurations.
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Samsung HVAC markets commercial VRF as DVM S2, in heat-pump and heat-recovery configurations.
Heat-recovery DVM systems use mode change units (MCUs) to switch branch circuits between heating and cooling.
MCU layout, addressing and service tools are specific to Samsung; follow the current installation manual for piping limits.
Sets outdoor and indoor units, brazes, pressure-tests, evacuates and charges refrigerant piping to the brand's manual. EPA 608 required; factory installation training is often required for warranty.
Runs brand-specific startup, addressing and test-run procedures and diagnoses with the manufacturer's service tools and error codes. Factory service training per brand is common.
Builds layouts in the brand's selection software, checks refrigerant concentration limits and supports submittals for reps, distributors and contractors.
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