Water Cooled Chiller

Cooling capacity: 15~1.635 kW

Heating Capacity: 17~515 kW (Heat Pump)

• 33 sizes up to more than 1,600 kW

• Wide range of standard equipment

• Integrated MASTER/SLAVE control

Construction features

• Compressor: high energy efficiency semi-hermetic screw compressor, with star-delta or part winding limited start up (depending on models) and complete with integral protection, casing heater and refrigerant gas outlet piping shut-off valve.

• Electronic expansion valve: as standard on all models.

• Water side heat exchanger (evaporator): dry expansion shell and tube exchanger with counterflow heat exchange, complete with closed cell polyurethane foam rubber insulation, water flow differential pressure switch and Victaulic fittings.

• Water side heat exchanger (condenser): tube and shell complete with safety valve, and service valve on the high-pressure refrigerant gas circuit.

• Control: microprocessor electronic control.

• Structure: made of galvanised and painted steel plate with polyester powder coating.

• The unit is also complete with:

- clock board;

- display of cooling circuit high/low pressure;

- Master/Slave control up to 4 units in parallel;

- 0-10V analogue signal for condensing control from external device

Factory fitted accessories

• VPF control. • Desuperheater.

• 100% heat recovery unit

• Thermostat with display for heat recovery unit/desuperheater.

• Set up for heat pump operation.

• Condenser Victaulic fittings.

• Power factor correction capacitors (cosφ > 0.94).

• Circuit breaker switches.

• Forced limit of power consumption.

• Soft starter.

• Inlet compressor shut-off valves

• Linear capacity control compressors (50-100 % for each compressor).

• Evaporator antifreeze heater.

• Digital input for double set-point

• Compressor oil level sensor.

• Control of min/max power supply voltage.

• 4-20 mA analogue signal for shifting set-point.

• Interfaces for serial communication with other devices.

• Spring anti-vibration mounts.

• Rubber anti-vibration mounts.

Separately supplied accessories

• Remote keypad with display.

• Untes supervisors for unit monitoring and remote management.

• Untes sequencer for integrated management of multiple chillers.