AquaForce^® - Variable-speed water-cooled screw liquid chiller & water-sourced variable-speed screw heat pump
30XWHV

General description

• Inverter-driven screw compressors
• Touch Pilot control system
• Flooded heat exchangers that are mechanically cleanable
• Can provide an evaporator leaving temperature down to 3.3°C
• Can deliver up to 50°C on the condenser side when operating as a heat pump

Low energy consumption

• Designed for high performance both at full load and at part load
• Inverter-driven twin-rotor screw compressors allow precise capacity matching of building load changes and significantly reduce unit power input, especially at part-load
• Flooded multi-pipe heat exchangers for increased heat exchange efficiency
• Electronic expansion device permits operation at a lower condensing pressure and improved utilisation of the evaporator heat exchange surface
• optimised electrical performance

High reliability

• Increased global performance as well as Carrier's acclaimed product quality and reliability
• Major components are selected and tested to minimise failures possibility, as well as many design choices have been taken in this perspective
• Inverter-driven screw compressors with oversized bearings and motor cooled by suction gas
• The inverter is optimised for each compressor motor to ensure reliable operation and easy maintenance
• All compressor components are easily accessible on site minimising down-time
• Two independent refrigerant circuits (from 1000 kW upwards); the second one automatically takes over, if the first one develops a fault, maintaining partial cooling under all circumstances
• Auto-adaptive control
• Exceptional endurance tests

Easy and fast installation

• Compact design
• Simplified electrical connections
• Simplified water connections
• Fast commissioning

Minimised operating sound levels

• Low noise Greenspeed^® variable-speed fans
• The inverter technology used for the compressor motors minimises noise levels at part load operation
• Silencers on the compressor discharge line
• Sound insulation on the components that are most subjected to radiated noise
• Option 257 further reduces the global unit sound level

Environmental care

• R-134a refrigerant with zero ozone depletion potential
• Leak-tight refrigerant circuit

Designed to support green building design

• A green building is a building that is environmentally sustainable and has been designed, constructed and is operated to minimise the total impact on the environment
• The air conditioning system can use between 30 and 40% of the annual building energy consumption
• A number of green building certification programmes exist in the market and offer third-party assessment of green building measures for a wide variety of building types

Inverter-driven Thunderbolt screw compressor

• Advanced control algorithms combine inverter frequency output with motor input logic to minimise mechanical part stress, resulting in best compression performance and high chiller reliability
• Equipped with bearings with oversized rollers, oil pressure lubricated for reliable and durable operation, even at maximum load
• Screw compressors use positive displacement principle to compress gases at higher pressure. As a result, in case of exceptional high temperature condenser side, the compressor does not switch off, but continues operation at reduced capacity (unloaded mode)
• The silencer in the discharge line considerably reduces discharge gas pulsations for much quieter operation
• Condenser includes an oil separator that minimises the amount of oil in circulation in the refrigerant circuit and redirects it to the compressor function

Touch Pilot Control

• An intuitive and user-friendly, coloured, 7" Interface
• Direct access to the unit's technical drawings and the main service documents
• Screen-shots with coincisive and clear information in local languages
• Complete menu, customised for different users
• Safe operation and unit setting
• Simple and "smart" intelligence uses data collection from the constant monitoring of all machine parameters to optimise unit operation
• Energy management

Remote Management (Standard)

• Easily accessed from the internet
• Multiple remote control, monitoring and diagnostic possibilities
• Optional communication gateways
• Condenser pumps control
• Start/Stop of the machine
• Dual set-point management
• Demand limit setting
• Water pump control
• Operation visualisation
• Alarm visualisation

Remote management (EMM option)

• Extended remote control possibilities: room temperature, set-point reset, etc.

• Light-brine solution, down to -3°C
• Master/slave operation
• Single power connection point
• Evaporator pump electrical power / control circuit
• Evaporator dual pumps electrical power / control circuit
• Condenser pump power / control circuit
• Condenser insulation
• Service valve set
• Lon, J-Bus or BacNet gateway
• Condensing temperature limitation
• Control for low condensing temperature systems
• Leak detection
• Low noise level
• Fast capacity recovery