TECS-W/L-E Series 280-7032kW (80-2000RT)
Features and Benefits
Magnetic Levitation Oil-free Centrifugal Compressor
■ Inverter driven high-efficiency magnetic levitation oil-free
compressor: the compressor is designed with aerodynamic
optimized two-stage centrifugal and magnetic levitation technology, high performance pulse width modulator (PWM), automatic regulation of rotation speed, which promise optimal operation and high-efficiency under both full load and part load operation.
■A significant improvement(15%) in the heat exchange can
be achieved by magnetic levitation technology without oil
lubrication system, contact friction and the thermal resistance
caused by oil film.The reliability of unit is remarkably improved
in the meanwhile and makes service convenient.
■ With build-in inverter, which enables variable motor speed of
compressor under part load condition, the units are able to
operate effectively and with lower power consumption. Soft
start-up function makes the starting current of unit low to 2A,
therefore to reduce impulse on power network and decease
thermal stress of motor stator.
■ Liquid refrigerant spray cooling promises stable operation of
motor.
■ The rotator and impeller of compressor are suspended in the
magnetic field when operation. The sensor ring under the
bearing keep sending real-time data to the bearing control
system and adjust the position of shaft immediately to maintain
its optimal running condition.
■ The compressor operates without any oil, allowing its stable and
low-noise operation. Furthermore, the whole system of the unit
is greatly simplified because of eliminating oil system, which
remarkably saves the cost of operation and maintenance.
Super-low Noise and Vibration
■ High speed of compressor running, while with no mechanical
contact of bearing, enables super-low noise and vibration of
compressor under both part load and full load.
■A significant improvement(15%) in the heat exchange can
be achieved by magnetic levitation technology without oil
lubrication system, contact friction and the thermal resistance
caused by oil film.The reliability of unit is remarkably improved
in the meanwhile and makes service convenient.
■ With build-in inverter, which enables variable motor speed of
compressor under part load condition, the units are able to
operate effectively and with lower power consumption. Soft
start-up function makes the starting current of unit low to 2A,
therefore to reduce impulse on power network and decease
thermal stress of motor stator.
High Efficiency Flooded Type Evaporator and Condenser
■ The threaded tube facilitates the formation of gasification core,
which therefore greatly enhances heat exchange efficiency of
tube outside surface.
■ The tube of condenser with thread benefits the dropwise condensation of refrigerant, which increases tube external efficiency. Moreover, the thread inside the tube of both evaporator and condenser enhances the disturbance and turbulence of water.
■ Single circuit design for multiple compressors system improves unit part load efficiency.
Electronic Expansion Valve (EXV)
■ The electronic valve is adopted to grant the ideal operation of
the evaporator in all conditions.
■ The fast processing of the acquired data allows a quick,
fluctuation-free regulation, and therefore a highly accurate
adjustment to the swings of load and ambient conditions.
Stability and Reliability
■ In the case of power outage, the motor becomes a generator
which feeds power to the various controls and bearing
actuators then until the rotor de-levitates onto the touch-down
bearings.
■ The design, manufacturing and test of the unit are strictly
complied with AHRI、EN、UNI、JIS and GB/T18430.1
standards.
■ The protection level of enclosure conforms to GB4208-
2008(China GB).
■ The electric system is designed according to IEC60204-1/
GB5226.1 and the system meets with EMC specification.
■ Performance test of the unit shall be strictly conducted before
ex-work to ensure operation stability.
Energy Conservation and Environment Protection
■ Environment friendly refrigerant of HFC134a is adopted with
ODP value 0.
■ Optimized refrigerant system for better energy saving, lower
CO2 emission and higher operation efficiency.
Easy Installation
■ Vertically arrangement of compressor, condenser and
evaporator enables compact design of the unit and small
footprint.
■ Refrigerant charge, commissioning and test have been done
before ex-factory.
■ Water pipe connection and power supply are the only work
need to do on site before operation.
Excellent Part Load Performance
TECS-W/L-E is brought in by Climaveneta with extremely
outstanding performance in the chiller industry. With magnetic
levitation compressor, variable frequency inverter control and oil
free lubrication system, the unit has boosted with 60% of ESEER
to compare with traditional chiller and less service cost.
In the transition period, the cooling water temperature decline
results in additional energy saving of the unit.
Integrated Part Load Value (ESEER)
Increasingly closer attention is being paid towards the power consumption of air-conditioning equipments. In air-conditioning systems, the chiller only works in full load for a few hours per year. For this reason, ”season efficiency” is the truly
determining consumption factor. The valuation indices have been adopted that consider usage in part load conditions as IPLV in the United States and ESEER in Europe.
ESEER up to 9.58, and IPLV up to 10
ESEER (European Seasonal Energy Efficiency Ratio): 0.03×A+0.33×B+0.41×C+0.23×D
Evaporator leaving at 7°C (constant), condenser water (inlet) at 30°C (100% load—A), 26°C (75% load—B), 22°C (50% load—C), 18°C (25% load—D).
Nomenclature
TECS-W1051L-E
Means the water cooled high efficiency HFC-134a magnetic levitation variable frequency centrifugal chiller; unit number is 105;
configured with 1 compressor, power supply 380V/3Ph/50Hz.
Advanced W3000 Touch Control System
The brand-new W3000 touch control system features friendly user interface, excellent control, strong expansion ability and compatibility.
Color LCD Display
The touch screen is embedded in the unit for convenient
operation and well protection. The automatic control by the
computer realizes unattended operation.
TFT LCD touch screen can display data and parameter
adjustment in various languages and menus. According to
the tradition of Climaveneta, the status and parameters of the
compressor are visually displayed individually to make sure the
operating status clear at a glance.
Unit Control and Operation Management
The advanced microcomputer intelligent control system of W3000 contains specially designed control algorithm of Climaveneta. It highlights the energy efficiency and reliability of the unit. The balanced running time of FIFO compressor prolongs the life of machine. The automatic adjustment of the output load makes the machine more energy saving.
Combining with the load shedding system of the compressor, 25-100% stepless adjustment can be achieved and settings of the operating parameters can be adjusted, which is adaptable to different environments. The temperature and pressure protection
using analog measurement can predict and prevent failure and increase reliability. Various expansion accessories are available, such as remote and group control.
Network Communication and Building Management Control
The chiller supports BMS connection and can provide MODBUS,
LONWORKS, BACNET communication protocols with RS485 serial interface.
Fault Protection, Alarm and Analysis Capabilities
The microcomputer intelligent controller contains perfect functions of fault protection, alarm, recording and analysis. It has protection functions of high/low pressure switch, lack of phase, reverse phase, overload, overcurrent, overheat, exhaust temperature, water flow, frost and so on.
The controller also achieves fault recording and alarm display. The unique”Black Box” fault recording and analyzing system can record 400 failures and more than 200 field data before each failure. It can diagnose and remove faults rapidly to improve the technical support ability. By connecting to the Climaveneta remote service program, it can find potential failures before they occur and take proper preventive treatments.
Technological Choices
The brand-new W3000 touch control system features friendly user interface, excellent control, strong expansion ability and compatibility.
Fast Restart
The management of fast restart allows to minimize downtime in case of power failure, through accelerating software selfdiagnose time, water pump start delay, pre-condensing time and compressor start time, meanwhile keeping all the necessary unit safety. This option requires an external UPS power supply provided by customer.
Chilled Water Variable Flow Control
Extended module of variable flow control function enables chilled
water variable frequency pump and pipe valve on-off control. The control of chilled water side variable frequency pump, according to terminal side load, ensures lowest pump consumption.
Double Power Supply
This accessory entails the substitution of two separate power supply with ATS.
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