Chilled Water Unit
KRA Precision Series
The KRA series of chilled water units consists of air-cooled equipment. It is suitable for ventilated environments and can even be installed outdoors, being highly resistant to weather conditions.

Options
Customization possibilities, temperature adjustment down to -30°C, stainless steel cabinet, external water bypass, disc filters, relief valves, dirty filter sensors, pressure differential for air-cooled condenser filters, electronic flow meter, noise attenuators, and frequency inverters for the fans.
Advantages
- Cooling capacity from 6,000 to 620,000 kcal/h
- Air-cooled condensation
- Dual refrigeration circuit
- Temperature adjustment from 5°C to 25°C for tubular bundles and 7°C to 25°C for plate heat exchangers
- Compact equipment, fits into smaller spaces
- Closed or open carbon steel cabinet with electrostatic painting
- Weather-resistant, can be installed outdoors
- Complete with water reservoir, pump, and non-oxidizing hydraulic circuit
- Relief valve for evaporator safety against process blockage
- Individual electronic expansion valve controllers for easier maintenance and reduced machine downtime
- Microchannel condenser
- Refrigerant R410A or R407C, both eco-friendly
- PLC (Programmable Logic Controller) for operation, diagnostics, and fault visualization
- 3” 3-color touch screen HMI with failure history logging
- Easy-to-use software with open language programming
- 24 V AC control voltage, complying with Brazilian standards (NR10)
- Capacity control for optimal equipment operation
- High-efficiency fans ensuring low energy consumption
- Automatic on/off operation
- Automatic capacity adjustment
- Easy installation and operation, plug-and-play.
Applications
All industrial sectors requiring a water cooling process, such as plastics, welding, pharmaceuticals, food, textiles, chemicals, printing, among others.