HL i Series

Compact, high-efficiency air-cooled industrial water chillers for process cooling applications.

The HL i Series delivers reliable, energy-efficient cooling for industrial processes. Designed for UK conditions, these compact units feature scroll compressors, low-noise axial fans, and an integrated hydraulic module with buffer tank.

Capacity Range: 3 kW – 7.2 kW

Operating Range: Ambient: -10°C to +43°C | Water outlet: -5°C to +35°C

HL i Series

Key Features

  • Scroll compressor technology
  • Low-noise axial fan
  • Integrated hydraulic module with buffer tank
  • Microprocessor controller with LCD display
  • R407c refrigerant
  • Compact footprint for workshop installation
  • Designed for UK ambient conditions

Compare Models

Select the right model for your application requirements.

Specification HL i-3 HL i-5 HL i-8
Performance
Cooling Capacity @15°C 3 kW 4.5 kW 7.2 kW
Cooling Capacity @7°C 2.5 kW 3.4 kW 5.5 kW
Compressor Power 0.7 kW 1.25 kW 1.7 kW
Electrical
Power Supply 230V / 1ph / 50Hz 230V / 1ph / 50Hz 230V / 1ph / 50Hz
Nominal Current 5.9 A 8.7 A 11.2 A
Maximum Current 7.7 A 10.6 A 13.7 A
Refrigeration
Refrigerant R407c R407c R407c
Compressor Type Scroll Scroll Scroll
Compressor Quantity 1 1 1
Refrigerant Circuits 1 1 1
Airflow
Fan Type Axial Axial Axial
Fan Quantity 1 1 1
Fan Power 0.05 kW 0.14 kW 0.17 kW
Airflow Volume 1100 m³/h 3100 m³/h 4000 m³/h
Sound Pressure (10m) 45 dB(A) 49 dB(A) 49 dB(A)
Water Circuit
Pump Type Centrifugal (3 bar) Centrifugal (3 bar) Centrifugal (3 bar)
Pump Power 0.55 kW 0.55 kW 0.55 kW
Water Flow Rate 0.45/5.1 m³/h 0.58/5.1 m³/h 0.9/5.1 m³/h
Available Pressure 350/80 kPa 315/80 kPa 300/80 kPa
Tank Capacity 25 L 25 L 30 L
Connection Size 1/2" BSP 1/2" BSP 3/4" BSP
Physical Dimensions
Width 689 mm 689 mm 689 mm
Depth 548 mm 548 mm 548 mm
Height 876 mm 876 mm 876 mm
Net Weight 105 kg 118 kg 135 kg
Packaging
Packed Width 775 mm 775 mm 775 mm
Packed Depth 650 mm 650 mm 650 mm
Packed Height 1060 mm 1060 mm 1060 mm
Gross Weight 111 kg 124 kg 145 kg
View Details View Details View Details
Performance
Cooling Capacity @15°C 3 kW
Cooling Capacity @7°C 2.5 kW
Compressor Power 0.7 kW
Electrical
Power Supply 230V / 1ph / 50Hz
Nominal Current 5.9 A
Maximum Current 7.7 A
Refrigeration
Refrigerant R407c
Compressor Type Scroll
Compressor Quantity 1
Refrigerant Circuits 1
Airflow
Fan Type Axial
Fan Quantity 1
Fan Power 0.05 kW
Airflow Volume 1100 m³/h
Sound Pressure (10m) 45 dB(A)
Water Circuit
Pump Type Centrifugal (3 bar)
Pump Power 0.55 kW
Water Flow Rate 0.45/5.1 m³/h
Available Pressure 350/80 kPa
Tank Capacity 25 L
Connection Size 1/2" BSP
Physical Dimensions
Width 689 mm
Depth 548 mm
Height 876 mm
Net Weight 105 kg
Packaging
Packed Width 775 mm
Packed Depth 650 mm
Packed Height 1060 mm
Gross Weight 111 kg
Performance
Cooling Capacity @15°C 4.5 kW
Cooling Capacity @7°C 3.4 kW
Compressor Power 1.25 kW
Electrical
Power Supply 230V / 1ph / 50Hz
Nominal Current 8.7 A
Maximum Current 10.6 A
Refrigeration
Refrigerant R407c
Compressor Type Scroll
Compressor Quantity 1
Refrigerant Circuits 1
Airflow
Fan Type Axial
Fan Quantity 1
Fan Power 0.14 kW
Airflow Volume 3100 m³/h
Sound Pressure (10m) 49 dB(A)
Water Circuit
Pump Type Centrifugal (3 bar)
Pump Power 0.55 kW
Water Flow Rate 0.58/5.1 m³/h
Available Pressure 315/80 kPa
Tank Capacity 25 L
Connection Size 1/2" BSP
Physical Dimensions
Width 689 mm
Depth 548 mm
Height 876 mm
Net Weight 118 kg
Packaging
Packed Width 775 mm
Packed Depth 650 mm
Packed Height 1060 mm
Gross Weight 124 kg
Performance
Cooling Capacity @15°C 7.2 kW
Cooling Capacity @7°C 5.5 kW
Compressor Power 1.7 kW
Electrical
Power Supply 230V / 1ph / 50Hz
Nominal Current 11.2 A
Maximum Current 13.7 A
Refrigeration
Refrigerant R407c
Compressor Type Scroll
Compressor Quantity 1
Refrigerant Circuits 1
Airflow
Fan Type Axial
Fan Quantity 1
Fan Power 0.17 kW
Airflow Volume 4000 m³/h
Sound Pressure (10m) 49 dB(A)
Water Circuit
Pump Type Centrifugal (3 bar)
Pump Power 0.55 kW
Water Flow Rate 0.9/5.1 m³/h
Available Pressure 300/80 kPa
Tank Capacity 30 L
Connection Size 3/4" BSP
Physical Dimensions
Width 689 mm
Depth 548 mm
Height 876 mm
Net Weight 135 kg
Packaging
Packed Width 775 mm
Packed Depth 650 mm
Packed Height 1060 mm
Gross Weight 145 kg

Documentation & Downloads

Technical documents and manuals for the HL i Series.

HL i Series Brochure

Product brochure for the HL i Series range

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Controller Guide (XR20CX)

Control and functions reference for HL i-3, i-5, i-8

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Wiring Diagram

Electrical wiring diagram for HL i-3, i-5, i-8

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Terminal Connection Diagram

X1 terminal connection diagram for HL i-3, i-5, i-8

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Performance Data – HL i-3

Detailed performance data for the HL i-3

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Performance Data – HL i-5

Detailed performance data for the HL i-5

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Performance Data – HL i-8

Detailed performance data for the HL i-8

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