Samsung
The Samsung RC090MHXEA is a 9kW monobloc air-to-water heat pump using R410A refrigerant, capable of delivering flow temperatures up to 70°C for domestic heating.
The Samsung RC090MHXEA is a 9kW monobloc air-to-water heat pump designed for domestic heating and hot water applications. Part of the Samsung Mono Control Unit range introduced in 2011, this unit utilizes R410A refrigerant to provide space heating. It is engineered for integration with a wired remote controller and features an automatic defrost method. This technical guide provides engineers with the core specifications, variant details, and operational data for the RC090MHXEA system.
Stick a QR tag on the case, scan it on every service and give your customer a permanent, shareable service history they can pull up from any phone.
Permanent, shareable service history
One QR scan on the boiler surfaces every previous fault, part change and visit — no paperwork to dig out.
Free AI fault diagnostics, built in
Every tag you fit unlocks the AI diagnostic tool for that exact model — paste a fault code, get a ranked cause list.
Your name on the boiler forever
When the next service or breakdown comes around the homeowner scans and sees your number first.
First 12 BoilerTags are free
Tag every install and service you do from now on — the subscription only kicks in once you scale past your first dozen.
Diagnosing a fault on a Samsung Air to Water Heat Pump - Mono Control Unit right now?
Try the free AI fault diagnostics tool — no signup needed.
Full technical specifications extracted from the manufacturer brochure. Empty sections are hidden.
The Samsung RC090MHXEA is a 9kW monobloc air-source heat pump, forming part of the Samsung Mono Control Unit product family. This specific model is designed for outdoor installation, housing all primary refrigeration components within a single chassis to simplify hydraulic connections to the internal heating circuit. Introduced in 2011, the unit operates using R410A refrigerant, which was the standard choice for that era of heat pump technology.
In terms of performance, the RC090MHXEA provides a nominal capacity of 9kW. The system is capable of reaching a maximum flow temperature of 70°C, which is notably high for an air-source unit. This allows for potential compatibility with existing radiator systems that require higher operating temperatures than standard low-temperature heat pump setups. However, system efficiency should be carefully calculated at these higher flow rates to ensure optimal performance. The unit includes an integrated auto-defrost method to maintain performance during low ambient temperatures by preventing ice build-up on the evaporator coils.
The RC090MHXEA is the entry-level capacity within a broader range of variants. Engineers may encounter the RC120MHXEA (12kW), RC140MHXEA (14kW), and RC160MHXEA (16kW) models, which share the same technical architecture but offer higher thermal outputs for larger properties. There are also 'GA' suffix variants, such as the RC160MHXGA, which provide further options within the 12kW to 16kW range. All models in this series are designed to work with the same control infrastructure.
Control of the system is typically managed via a dedicated Wired Remote Controller. This interface allows for the adjustment of setpoints and the activation of the built-in quiet mode, which reduces sound emissions during sensitive periods. While modern smart features like integrated Wi-Fi were not standard at the time of its 2011 introduction, the system remains a robust example of monobloc engineering.
For installation and maintenance, the RC090MHXEA requires registration to validate warranty terms. The unit's design as a monobloc means that F-Gas certification is required for the commissioning of the refrigeration cycle if the circuit is breached, though the primary installation involves standard hydraulic pipework. Installers should ensure that the system is sized correctly against the property's heat loss to ensure the 9kW output is sufficient for the design day temperatures.
Common questions from engineers and homeowners about the Samsung Air to Water Heat Pump - Mono Control Unit.
We hold the Samsung Air to Water Heat Pump - Mono Control Unit manual — and every other UK boiler and heat pump brochure. Sign up and pull any model up from your phone, on the job.
Sign up to access brochuresTag it before you leave. Next scan shows every service, fault and part change — and the AI diagnostic tool is free on every tag you fit.
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.