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Water-cooled high-efficiency variable-speed screw liquid chiller/heat pump

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Water-cooled high-efficiency variable-speed screw liquid chiller/heat pump

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Physical Data

Performance Features

.Non-ozone depleting chlorine-free refrigerant HFC-134a

.Inverter-driven twin-rotor screw compressors with Greenspeed Technology which allow precise capacity matching of building load changes and significantly with high .full load and part load efficiency

.Compressor capacity adjustment by varying the motor speed that permits exact matching of the cooling capacity to the load

.New colorful screen and new generation Touch Pilot Control system

.Flooded multi-pipe evaporator and condenser for increased heat exchange efficiency

.Electronic expansion valve ensures high control precision

.Inverter-driven motors ensure negligible start-up current, optimized electrical performance

.High part load efficiency, IPLV/NPLV up to 0.352 ikW/Ton

.Good life-cycle cost with short payback time

.Heating application up to 50°C

.Entering-fluid temperature continuously monitored to detect flow or load changes

.Connect to the PC using a web browser with Java,to connect to the Touch Pilot control enter the IP address of the unit in the address bar of the web browser

.Compatible with Carrier Comfort Network (CCN) communication link

.Certified in accordance with AHRI Standard 550/590

Reliability Features

.Inverter-driven compressor has been developed from the proven traditional Carrier 06T twin rotor screw compressors design

.Industrial-type screw compressors with oversized bearings and motor cooled by suction gas.

.Dual independent refrigeration circuits (from 1000 kW upwards).

.Reduced number of moving parts, with compressor rotors directly driven by the motor, to lower the failure rate

.Electronic paddle-free flow switch. Auto-setting according to cooler size and fluid type

.Automatic compressor unloading in case of abnormally high condensing pressure or discharge temperature

.Low voltage control circuits

.Short cycle protection

Maintenance Features

.Hermetic twin screw compressors

.Mechanically cleanable condenser and evaporator

.Alarm contacts

.Filter drier

.Accessible service information including suction and discharge pressure and temperature using Navigator display module (factory-installed option or field-installed accessory)

.Discharge and liquid line shutoff valves (factory-installed option)

.ON/OFF control switch

Installation Features

.With a relatively small width, only require minimum floor space in the plant room.

.Victaulic connections on the evaporator and condenser, easy and fast installation

.Possibility to reverse the heat exchanger water inlet and outlet at the factory

.Simplified electrical connections, main disconnect switch with high trip capacity and transformer supply to the integrated control circuit (400/24 V)

.Fast commissioning, systematic factory operation test before shipment

Wide Application

.With heating application, hot water temperature up to 50° C

.Offers industrial and commercial customers a best-in-class solution for hotels and office buildings , underground railway systems, as well as retrofit projects

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