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FKH-80II/GW
LEOMON
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The unit adopts two-stage compression cascade technology with independent low-temperature and high-temperature circulation systems. Even when the ambient temperature drops to -35°C, the system intelligently regulates both stages to maintain stable 75°C hot water output. The dual compressors work alternately with balanced operating pressure, preventing overloading and ensuring reliable operation in severe cold regions.
Compared with traditional electric boilers, this cascade heat pump saves a substantial portion of energy costs. It captures free heat from ambient air and upgrades it to 75°C hot water through dual-stage compression, delivering much more thermal energy than the electricity it consumes. The system has lower overall capacity attenuation in extremely cold environments. When replacing coal, gas, or oil-fired boilers, the savings are even greater. The unit requires smaller transformers and power lines than electric boilers, reducing initial investment costs.
Equipped with an independently developed advanced microcomputer control board, the unit offers automatic operation, scheduled start/stop, intelligent zoning defrosting, and precise temperature control. The processing chip quickly obtains operating parameters and issues control instructions for stable unit operation. With a standard communication interface, the system can connect to a remote service platform. Users can monitor equipment data and status in real time via APP, remotely control unit on/off and temperature regulation, and receive alarm notifications.
The unit operates with no combustion, no open flame, and zero emissions. There is no risk of gas leakage, explosion, or carbon monoxide poisoning. It features 11 equipment self-check protections, including compressor exhaust temperature protection, system high and low pressure protection, anti-freeze and heat protection, fan motor overload protection, frequent start limit protection, and power outage memory recovery function. The unit is designed with low-noise compressors and axial fans, combined with sound-absorbing barrier technology and anti-vibration mounts to minimize operating noise.
| Type | FKH-12I/GW | FKH-20II/GW | FKH-40II/GW | FKH-80II/GW | FKH-110II/GW | FKH-140II/GW | ||||||||||||||
| Side air outlet | Top out wind | Top out wind | Top out wind | Top out wind | Top out wind | |||||||||||||||
| Power specifications | 220V~50Hz | 380V3N~50Hz | 380V 3N~50Hz | 380V3N~50Hz | 380V3N~50Hz | 380V3N~50Hz | ||||||||||||||
| Heating capacity under A1 operating condition(20) | 12kW | 20kW | 40kW | 80kW | 110kW | 140kW | ||||||||||||||
| Heating consumption power under A1 working condition | 4.8kW | 8.2kW | 16.2kW | 32kW | 44.5kW | 56kW | ||||||||||||||
| Heating capacity under A2 working condition(7) | 11.5kW | 19kW | 38kW | 76kW | 105kW | 135kW | ||||||||||||||
| Heating consumption power under A2 working condition | 5.3kW | 8.7kW | 17.5kW | 34.5KW | 48kW | 61kW | ||||||||||||||
| Heating capacity under A3 working cond ition (-12) | 10.5kW | 17kW | 35kW | 65kW | 90kW | 110kW | ||||||||||||||
| Heating consumption power under A3 working condition | 5.3kW | 8.5kW | 19kW | 37.5kW | 52kW | 63.5kW | ||||||||||||||
| Heating capacity under A4 working condition(-20) | 9kW | 15kW | 30kW | 58kW | 80kW | 100kW | ||||||||||||||
| Heating consumption power under A4 working condition | 5.6kW | 9.3kW | 18.5kW | 36kW | 49.6kW | 61.7kW | ||||||||||||||
| Maximum operating current | 40A | 35A | 70A | 120A | 160A | 200A | ||||||||||||||
| Discharge | 2.1m³/h | 3.5m3/h | 6.9m³/h | 13.8m³/h | 18.9m³/h | 24.1m³/h | ||||||||||||||
| Noise | ≤56dB(A) | ≤58dB(A) | ≤60dB(A) | ≤65dB(A) | ≤68dB(A) | ≤72dB(A) | ||||||||||||||
| Water side pressure loss | ≤72kPa | ≤75kPa | ≤75kPa | ≤85kPa | ≤85kPa | ≤88kPa | ||||||||||||||
| Unit size (ength x width x height mm) | 1030×410×1390 | 860×780×1780 | 1550×780×1780 | 2260×1030×2170 | 2260×1230×2170 | 2260×1230×2170 | ||||||||||||||
| CONNECT SIZE | DN32(hexagon nipples) | DN32(hexagon nipples)` | DN40(hexagon nipples) | DN50(flange) | DN65(flange) | DN80(flange) | ||||||||||||||
| Unit weight (kg) | 160 | 212 | 412 | 750 | 1100 | 1250 | ||||||||||||||
In northern regions where winter temperatures often drop below -20°C, traditional heat pumps struggle to operate efficiently. This cascade heat pump is specifically designed for such harsh conditions. It provides reliable 75°C hot water for radiator heating systems in office buildings, factories, hospitals, schools, and residential communities. The unit maintains stable performance even on the coldest days, ensuring comfortable indoor temperatures throughout the winter. It replaces coal-fired boilers, eliminating smoke and dust emissions while significantly reducing heating costs.
This heat pump can serve as the main heat source for residential heat exchange stations, providing 75 ℃ hot water for radiators or underfloor heating systems. The equipment runs automatically and can be remotely monitored, reducing the need for on-site operators. Compared to building separate coal-fired or gas-fired boilers for each building, centralized heat pump systems are cleaner, safer, and easier to manage. Many real estate developers are choosing this option for new projects in cold regions.
Poultry and livestock farms require stable temperatures in winter to maintain animal health and productivity. Young animals such as piglets and chicks are especially sensitive to cold. The heat pump provides 75°C hot water to floor heating systems or radiator units in barns, keeping animal houses warm and dry. Unlike coal or gas heaters, this system produces no harmful fumes or carbon monoxide, creating a safer environment for both animals and farm workers.
Hotels, hospitals, and commercial buildings have year-round hot water needs—for guest rooms, showers, laundry, kitchens, and central heating. This heat pump can supply 75°C hot water to storage tanks, ensuring a steady supply even during peak demand hours. The system operates quietly, which is important in hospitality and healthcare environments. Energy savings from replacing gas or electric boilers help these facilities reduce operating costs, while the elimination of on-site combustion improves safety for guests and patients.
>> Product Operate Guide
Upon taking delivery of the goods, the purchaser will furnish an instructional video.
A: The unit is designed for a service life of 10-15 years with proper maintenance. The stainless steel construction resists corrosion, and the industrial-grade compressor and components are built for long-term continuous operation. The modular design also allows easy replacement of individual parts when needed, further extending the overall lifespan. Many of our units installed over a decade ago are still running reliably today.
A: Yes. The unit uses dual-stage cascade technology specially designed for cold climates. It operates stably even when outdoor temperatures drop below freezing. Many units have been installed and successfully operated in cold regions. The system automatically adjusts its operation to maintain reliable hot water output regardless of the weather outside.
A: Installation usually only takes a few days. The equipment is shipped as a complete unit, simply place it on a prepared foundation, connect water, electricity, and pipelines. Most installation work can be completed without interfering with your normal operation. After installation, we will provide video tutorials and remote guidance so that they can start using it immediately.
