Watercooled Chillers
Logo Carrier & Toshiba

30XWThe 30XW liquid chillers are the premium solution for industrial and commercial applications where installers, consultants and building owners require optimal performances and maximum quality.

The 30XW liquid chillers are designed to meet current and future requirements in terms of energy efficiency and operating sound levels. They are manufactured with the best technologies available today to create the best values and benefits for the customers.


Premium full load and part load performance

  • New twin-rotor screw compressor specically designed for HFC-134a equipped with a high-efciency motor and a variable capacity valve that permits exact matching of the cooling capacity to the load.
  • Flooded multi-pipe evaporator and condenser for increased heat exchange efciency. The evaporator has a low pressure drop-which results in reduced cost of water pump.
  • Electronic expansion device permitting operation at a lower condensing pressure and improved utilization of the evaporator heat exchange surface (superheat control).
  • Economizer system with electronic expansion device for increased cooling capacity (30XW-P).



Absolute Reliability

  • Screw Compressor
    • Industrial-type screw compressors with oversized bearings and motor cooled by suction gas.
    • All compressor components are easily accessible on site minimizing down-time.
    • Protection increased by an electronic board.

  • Refrigerant Circuit
    • Two independent refrigerant circuits (from 800 kW upwards); the second one au- tomatically takes over, if the rst one develops a fault, maintaining partial cooling under all circumstances.

  • Evaporator
    • Electronic paddle-free flow switch. Auto-setting according to cooler size and uid type.


  • Auto-adaptive control
    • Control algorithm prevents exces- sive compressor cycling (Carrier patent).
    • Automatic compressor unloading in case of abnormally high condensing pressure.

  • Exceptional endurance tests
    • Partnerships with specialized laboratories and use of limit simulation tools (nite element calculation) for the design of critical components.
    • Transport simulation test in the laboratory on a vibrating table and then on an endurance circuit.


Environmental Care

  • R134a refrigerant
    • Refrigerant of the HFC group with zero ozone depletion potential.

  • Leak-tight refrigerant circuit
    • Reduction of leaks as no capillary tubes and are connections are used.
    • Verication of pressure transducers and tempera- ture sensors without transferring refrigerant charge.
    • Discharge line shut-off valve and liquid line service valve for simplied maintenance.


Easy and Fast Installation

  • Compact design
    • The 30XW units are designed to offer the most compact dimensions on the market.
    • With a width of approximately 1 m up to 1500 kW the units can pass through standard door openings and only require minimum floor space in the plant room.

  • Simplied electrical connections
    • Main disconnect switch with high trip capacity.
    • Transformer to supply the integrated control circuit (400/24 V).

  • Simplied hydronic connections
    • Victaulic connections on the evaporator and condenser.
    • Practical reference marks for entering and leaving water connections.
    • Possibility to reverse the heat exchanger water inlet and outlet at the factory.

  • Fast commissioning
    • Systematic factory operation test before shipment.
    • Quick-test function for step-by-step verication of the instruments, expansion devices and compressors.


Pro-Dialog Control

Pro-Dialog combines intelligence with operating simplicity. The control con- stantly monitors all machine parameters and precisely manages the opera- tion of compressors, electronic expansion devices and of the evaporator water pump for optimum energy efciency.

  • Energy management
    • Internal time schedule clock: controls chiller on/off times and opera tion at a second set-point.
    • Set-point reset based on the return water temperature.
    • Master/slave control of two chillers operating in parallel with operating time equalization and automatic change-over in case of a unit fault.

  • Ease-of-use
    • User interface with large touch screen (120 x 99 mm) for intuitive ac- cess to the operating parameters. The information is in clear text and can be displayed in local language (please contact your distributor).


Remote Management (Standard)

The 30XW is equipped with an RS485 serial port that offers multiple remote control, monitoring and diagnostic possibilities. Carrier offers a vast choice of control products, specially designed to control, manage and supervise the operation of an air conditioning system. Please consult your Carrier repre- sentative for more information.

The 30XW also communicates with other building manage-ment systems via optional communication gateways.

A connection terminal allows remote control of the 30XW by wired cable:

  • Start/stop: opening of this contact will shut down the unit.
  • Dual set-point: closing of this contact activates a second set-point (ex- ample: unoccupied mode).
  • Demand limit: closing of this contact limits the maximum chiller capacity to a predened value.
  • Operation indication: this volt-free contact indicates that the chiller is operating (cooling load) or that it is ready to operate (no cooling load).
  • Alert indication: this volt-free contact indicates the necessity to carry out a maintenance operation or the presence of a minor fault.
  • Alarm indication: this volt-free contact indicates the presence of a major fault that has led to the shut-down of one or several refrigerant circuits.


Download PDF

Our Commitment

Our commitment is to save the earth and increase energy savings with digital technology that provides superior control and cost efficiency with the DC invertor compressor. Super-accurate rotation of an environmentally sustainable compressor results in power savings of up to 50%* (compared to AC Fixed Speed compressors) and quieter operation.

With the fast increasing waste stream, we aim to minimize the impact of electronic goods on the environment. Such inspiration helps us to limit the quantity of waste stream infiltrating into the final disposal by applying the recyclable plastics.

Year 2018 Latest Projects

Universitas Tarumanegara, Jakarta: Pemasangan AC VRF Toshiba Capacity 200HP


Living Plaza Bekasi Mall: Pemasangan AC VRF Toshiba Total Capacity 1000HP


PT NOK: Pengadaan Air Cooled Scroll Chiller 2 unit Capacity 65 TR