CORE SECTOR 03

Water Source Heat Pump

Stable water-side energy for high-efficiency heating, cooling, and hot water.

Water Source Heat Pump LQKR-72L

Integrated water-source heat pump (310 Series) delivering highly efficient heating and cooling. Features a compact cabinet design, ideal for versatile commercial and industrial applications.

Technical Parameters
Model	LQKR-72L (310 Series)
Power Supply	220V / 50Hz
Cooling Capacity / Power	6 kW / 1.4 kW
Heating Capacity / Power	7.2 kW / 1.6 kW
Water Consumption	0.7 - 1.0 m³/h
Airflow Volume	1000 - 1200 m³/h
Refrigerant Charge	1.5 kg
Dimensions (W×D×H)	480 × 300 × 1740 mm
Weight	65 kg

Water Source Heat Pump LQKR-110L

Integrated water-source heat pump (480 Series) with dual voltage options. Higher capacity cabinet for medium commercial loads while maintaining an efficient footprint.

Technical Parameters
Model	LQKR-110L (480 Series)
Power Supply	220V / 50Hz, 380V / 50Hz
Cooling Capacity / Power	8.5 kW / 2 kW
Heating Capacity / Power	11 kW / 2.4 kW
Water Consumption	1.0 - 1.5 m³/h
Airflow Volume	1500 - 1800 m³/h
Refrigerant Charge	1.8 kg
Dimensions (W×D×H)	610 × 330 × 1900 mm
Weight	87.5 kg

Water Source Heat Pump LQDNKR-20

Integrated water-source heat pump (5 HP square-port cabinet). Suited to installations needing robust capacity in a horizontal cabinet layout.

Technical Parameters
Model	LQDNKR-20 (5 HP Square Port)
Power Supply	380V / 50Hz
Cooling Capacity / Power	15 kW / 3.5 kW
Heating Capacity / Power	20 kW / 4.4 kW
Water Consumption	2.0 - 2.5 m³/h
Airflow Volume	1500 - 2000 m³/h
Refrigerant Charge	2.7 kg
Dimensions (W×D×H)	790 × 520 × 1200 mm
Weight	153 kg

Water Source Heat Pump LQDNR-20

Integrated water-source heat pump (5 HP jet-flow top discharge). Vertical cabinet with upper air outlet module—suited to commercial and industrial hydronic projects.

Technical Parameters
Model	LQDNR-20 (5 HP Jet Flow)
Power Supply	380V / 50Hz
Cooling Capacity / Power	15 kW / 3.5 kW
Heating Capacity / Power	20 kW / 4.4 kW
Water Consumption	2.0 - 2.5 m³/h
Airflow Volume	1500 - 2000 m³/h
Refrigerant Charge	2.7 kg
Dimensions (W×D×H)	880 × 650 × 2100 mm (incl. top section)
Weight	178 kg

Water Source Heat Pump LQKR-20

Integrated water-source heat pump (5 HP commercial vertical cabinet). High airflow delivery for larger sensible loads in commercial HVAC applications.

Technical Parameters
Model	LQKR-20 (5 HP Commercial)
Power Supply	380V / 50Hz
Cooling Capacity / Power	17 kW / 4 kW
Heating Capacity / Power	20 kW / 4.4 kW
Water Consumption	1.5 - 2.0 m³/h
Airflow Volume	5000 - 6000 m³/h
Refrigerant Charge	2.7 kg
Dimensions (W×D×H)	1200 × 420 × 1870 mm
Weight	198 kg

Water Source Heat Pump LQDNRK-18

Integrated water-source heat pump (5 HP round-port cabinet). Compact footprint with front circular discharge for flexible installation layouts.

Technical Parameters
Model	LQDNRK-18 (5 HP Round Port)
Power Supply	380V / 50Hz
Cooling Capacity / Power	14.3 kW / 3.4 kW
Heating Capacity / Power	18 kW / 4 kW
Water Consumption	2.0 - 2.5 m³/h
Airflow Volume	3000 - 5000 m³/h
Refrigerant Charge	2.7 kg
Dimensions (W×D×H)	790 × 440 × 1300 mm
Weight	137 kg

Water Source Heat Pump LQDNRK-18

Integrated water-source heat pump (5 HP louvered front). Same performance class as the round-port cabinet with a louvered discharge layout for different installation aesthetics.

Technical Parameters
Model	LQDNRK-18 (5 HP Louvered)
Power Supply	380V / 50Hz
Cooling Capacity / Power	14.3 kW / 3.4 kW
Heating Capacity / Power	18 kW / 4 kW
Water Consumption	2.0 - 2.5 m³/h
Airflow Volume	3000 - 5000 m³/h
Refrigerant Charge	2.7 kg
Dimensions (W×D×H)	790 × 550 × 1550 mm
Weight	132 kg

Water Source Heat Pump LQDNRK-250L

Integrated water-source heat pump (7 HP round-port cabinet). Higher-capacity water-loop unit with strong airflow for medium commercial loads.

Technical Parameters
Model	LQDNRK-250L (7 HP Round Port)
Power Supply	380V / 50Hz
Cooling Capacity / Power	21.2 kW / 5.1 kW
Heating Capacity / Power	24.5 - 31 kW / 6 kW
Water Consumption	2.5 - 3.0 m³/h
Airflow Volume	7000 - 8000 m³/h
Refrigerant Charge	4.1 kg
Dimensions (W×D×H)	930 × 430 × 1500 mm
Weight	155 kg

Water Source Heat Pump LQDNR-250L

Integrated water-source heat pump (7 HP square-port cabinet). Balanced footprint with rectilinear front discharge for standard plant-room layouts.

Technical Parameters
Model	LQDNR-250L (7 HP Square Port)
Power Supply	380V / 50Hz
Cooling Capacity / Power	21.2 kW / 5.1 kW
Heating Capacity / Power	24.5 - 31 kW / 6 kW
Water Consumption	2.5 - 3.0 m³/h
Airflow Volume	3000 - 3500 m³/h
Refrigerant Charge	4.1 kg
Dimensions (W×D×H)	930 × 650 × 1500 mm
Weight	177 kg

Water Source Heat Pump LQDNR-250L

Integrated water-source heat pump (7 HP duct-connection top). Same thermal core as the 250L line with an upper duct adapter for routed supply air.

Technical Parameters
Model	LQDNR-250L (7 HP Duct Connection)
Power Supply	380V / 50Hz
Cooling Capacity / Power	21.2 kW / 5.1 kW
Heating Capacity / Power	24.5 - 31 kW / 6 kW
Water Consumption	2.5 - 3.0 m³/h
Airflow Volume	3000 - 3500 m³/h
Refrigerant Charge	4.1 kg
Dimensions (W×D×H)	930 × 650 × 1500 mm
Weight	183 kg

Water Source Heat Pump LQDNR-420L

Integrated water-source heat pump (12 HP round-port). High-tonnage cabinet with very high airflow for large hydronic or process cooling duties.

Technical Parameters
Model	LQDNR-420L (12 HP Round Port)
Power Supply	380V / 50Hz
Cooling Capacity / Power	36.3 kW / 8.7 kW
Heating Capacity / Power	42 kW / 9.3 kW
Water Consumption	5.0 - 5.5 m³/h
Airflow Volume	12000 - 15000 m³/h
Refrigerant Charge	6 kg
Dimensions (W×D×H)	1150 × 710 × 1750 mm
Weight	273 kg

Water Source Heat Pump LQDNR-420L

Integrated water-source heat pump (12 HP jet-flow top). Twelve-horsepower performance with jet-style upper discharge and a wider cabinet footprint.

Technical Parameters
Model	LQDNR-420L (12 HP Jet Flow)
Power Supply	380V / 50Hz
Cooling Capacity / Power	36.3 kW / 8.7 kW
Heating Capacity / Power	42 kW / 9.3 kW
Water Consumption	5.0 - 5.5 m³/h
Airflow Volume	5500 - 7000 m³/h
Refrigerant Charge	6 kg
Dimensions (W×D×H)	1670 × 640 × 1900 mm
Weight	343 kg

Water Source Heat Pump LQDNR-250L

Integrated water-source heat pump (7 HP jet-stream top, tall cabinet). Includes extended upper discharge module; dimensions listed incl. top section per datasheet.

Technical Parameters
Model	LQDNR-250L (7 HP Jet Stream)
Power Supply	380V / 50Hz
Cooling Capacity / Power	21.2 kW / 5.1 kW
Heating Capacity / Power	24.5 - 31 kW / 6 kW
Water Consumption	2.5 - 3.0 m³/h
Airflow Volume	3000 - 3500 m³/h
Refrigerant Charge	4.1 kg
Dimensions (W×D×H)	930 × 650 × 2300 mm (incl. top section)
Weight	200 kg

Water Source Heat Pump LQDNR-250L

Integrated water-source heat pump (7 HP louvered front). 250L-series core with louvered discharge and higher rated airflow than the square-port variant.

Technical Parameters
Model	LQDNR-250L (7 HP Louvered)
Power Supply	380V / 50Hz
Cooling Capacity / Power	21.2 kW / 5.1 kW
Heating Capacity / Power	24.5 - 31 kW / 6 kW
Water Consumption	2.5 - 3.0 m³/h
Airflow Volume	7000 - 8000 m³/h
Refrigerant Charge	4.1 kg
Dimensions (W×D×H)	930 × 550 × 1650 mm
Weight	177.5 kg

Water Source Heat Pump LQDNR-420L

Integrated water-source heat pump (12 HP duct-connection). Large-scroll performance with ducted top outlet; datasheet model alias may appear as LQCNR-420L on some prints.

Technical Parameters
Model	LQDNR-420L (12 HP Duct Connection)
Power Supply	380V / 50Hz
Cooling Capacity / Power	36.3 kW / 8.7 kW
Heating Capacity / Power	42 kW / 9.3 kW
Water Consumption	5.0 - 5.5 m³/h
Airflow Volume	5500 - 7000 m³/h
Refrigerant Charge	6 kg
Dimensions (W×D×H)	1150 × 710 × 1750 mm
Weight	300 kg

Evaporative Cooling AC LQZFL-8HP

Evaporative cooling energy-saving air conditioner (8 HP class). Pump-and-fan outdoor module with high circulating airflow—spec sheet differs from standard water-source heat pump rows.

Technical Parameters
Model	LQZFL-8HP
Product Type	Evaporative cooling energy-saving AC
Power Supply	380V / 50Hz
Cooling Capacity / Power	24.23 kW / 6.3 kW
Refrigerant Charge	4.5 kg
Circulating Air Volume	3000 - 3500 m³/h
Inlet / Outlet Diameter	DN25
Outdoor Pump Head	15 m
Outdoor Pump Power	550 W
Outdoor Fan Power	825 W
Total Weight	312 kg