Samsung
The Samsung RC140MHXEA is a 14 kilowatt monobloc air-source heat pump using R410A refrigerant, capable of producing flow temperatures up to 70 degrees Celsius.
The Samsung RC140MHXEA is a 14 kW monobloc air-to-water heat pump designed for domestic heating and hot water applications. Introduced around 2011, this unit utilizes R410A refrigerant and is capable of reaching a maximum flow temperature of 70°C for domestic hot water. As part of the Mono Control Unit range, it integrates hydraulic components into the outdoor unit, simplifying the installation process for engineers by removing the need for internal refrigerant pipework between units.
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Full technical specifications extracted from the manufacturer brochure. Empty sections are hidden.
The Samsung RC140MHXEA belongs to a generation of air-source heat pumps that prioritised high-temperature delivery, specifically reaching up to 70°C for domestic hot water cycles. This 14 kW monobloc unit is engineered to provide a single-package solution where the refrigerant cycle is contained entirely within the outdoor housing. This design choice eliminates the requirement for F-Gas certified refrigerant pipework between the indoor and outdoor sections, as only water pipes enter the property.
Based on technical documentation from 2011, the RC140MHXEA utilizes R410A refrigerant. While newer models have transitioned to R32 or R290, the R410A system in this unit was a standard for its era, providing thermal transfer across various outdoor conditions. The unit includes an integrated auto-defrost mechanism to maintain evaporator efficiency during low-temperature operation. Additionally, a quiet mode is available, which can be activated to reduce sound power levels during sensitive hours, though specific decibel reductions are not detailed in the quick start literature.
The control interface for the RC140MHXEA is typically managed via a wired remote controller. This allows for the configuration of heating curves and hot water scheduling. The 14 kW nominal capacity suggests the unit is suited for larger detached properties or older homes with higher heat loss profiles, provided the hydraulic system is sized correctly. The manufacturer's data indicates that the 70°C flow temperature is achievable during DHW priority modes, which is significant for legionella protection and recovery times in unvented cylinders.
For engineers servicing these units, it is important to note that the RC140MHXEA is part of a wider family including 9 kW, 12 kW, and 16 kW variants, such as the RC090MHXEA and RC160MHXEA. While the extraction of specific fault codes is limited in the quick start guide, the unit relies on standard Samsung communication protocols for diagnostics. Installers should ensure that minimum clearances are maintained around the outdoor chassis to prevent air recirculation, which can degrade the Coefficient of Performance. Proper system volume or a volumiser may be required to ensure sufficient energy for defrost cycles, especially in retrofitted radiator systems.
Common questions from engineers and homeowners about the Samsung Air to Water Heat Pump - Mono Control Unit.
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Specifications on this page are extracted from the manufacturer brochure. Always cross-check against the latest datasheet before commissioning or quoting. Last updated 30 April 2026.