Introduction VESTAR VRF TECHNICAL PRESENTATION

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1 Introduction VESTAR VRF TECHNICAL PRESENTATION

2 Profile VESTAR Air Conditioners have been the best in class, employing the finest Japanese technology that ensures superior performance at low energy consumption VESTAR proudly present its latest VHX series with capacity range from 4HP to 72HP which is ideal for use in residential, commercial and industrial buildings VESTAR VRF VHX Series is an energy efficient solution that provides a comfortable indoor space, while also not compromising on the power-effectiveness and aesthetic look of the building VESTAR VRF is designed with High efficiency DC inverter compressor to provide High efficiency & High reliability Also we have ELTECH R410A ducted units with range from 1.5TR to 5.0TR. Eltech duct type air conditioners are designed to operate outdoor ambient temperature up to 52 C

3 VHX Series Line up

4 Features High Energy Efficiency Brushless DC Motor High Efficiency Low noise DC Inverter Compressors High pressure type Asymmetric scroll design Neodymium permanent magnet rotor 180 Sine Wave Control High precision Rotor Speed control 2-in-1Refrigerant Flow Path Increase the liquid refrigerant volume proportion Stepless Control On-demand output, high efficiency and energy saving Supercooling Design Enhance the supercool of refrigerant to increase system s efficiency CCT Inner-grooved Tube Excellent heat-exchanging efficiency Cross Flow Fins Reduce air resistance Frosting improved

5 Features High Efficiency Compressor High pressure chamber VHX-X series adopts high-pressure chamber scroll compressor This type of compressor has an interior oil separation section which maintains most of lubricating oil in compressor by the use of interior oil moist separator and oil-returning pipe design Differential pressure oil film control technology, reducing noise and improving gas tightness Concentrated winding, improving low frequency efficiency DC Inverter Scroll High strength bearing, high rigidity shell

6 Features High Efficiency Compressor Asymmetrical Scroll Technology Asymmetric scroll structure of compressor effectively helps reduce the refrigerant gas leakage loss in the process of suction and compression. Make sure the operation stability and further improve the system efficiency.

7 Features High Efficiency DC Motor High efficiency DC fan motor is from well-known brand Low noise and high efficiency because of high-density wire winding engineering Brushless with built-in sensor Low efficiency Big noise Not adjustable AC Motor

8 Features High Energy Efficiency 2-in-1 Refrigerant Flow Path Design Liquid refrigerant volume proportion in the condenser outlet is highly increased, so the indoor unit's will produce more heat (or cool). Gas phase Liquid phase Gas phase Liquid phase Increase the liquid refrigerant volume proportion Conventional design 2-in-1 Refrigerant Flow Path Design

9 Features High Energy Efficiency Subcooling Flow Path Design We separates the refrigerant inlet and outlet to increase the subcooling degree. That is to reduce the effect of high temperature inlet gas refrigerant to low temperature outlet liquid refrigerant, therefore, the system efficiency will be greatly increased. Inlet and outlet are too close. Inlet and outlet are separated. Conventional Flow Path Subcooling Flow Path Design

10 Features High Energy Saving EER COP HP 10HP 12HP 14HP 16HP 18HP Avg. The operation efficiency has been improved using highly efficient DC inverter compressor, brushless DC motor and innovative high performance heat exchangers

11 Features High Energy Saving Best among Competitors V M T D HP 10HP 12HP 14HP 16HP 18HP

12 Design Flexibility Long Piping Length The total pipe length: 1000 m Actual pipe length: 190 m Height deference b/w outdoor & Indoor : Outdoor unit above <90m Outdoor unit below <110m Height difference between indoor units: 30 m Length from first indoor distributor to last indoor unit: 90 m 90m 30m 90m 190m

13 Design Flexibility Wide operating range Installation in extreme temperature conditions is possible due toan increase in operational range. -5 C Cooling range 50 C -20 C Heating range 28 C -10 C 0 C 10 C 20 C 30 C 40 C 50 C -20 C -10 C 0 C 10 C 20 C 30 C

14 Installation Flexibility High External Static pressure Installation Example

15 Installation Flexibility Oil Control Technology Core oil control technology makes system safety & reliable Oil balance pipe Intelligent oil return program Oil balance pipe Oil level control Oil separator Oil even pipe Separation efficiency 92%

16 VHX Mini Series VESTAR introduces a new side discharge outdoor unit for Residential, shops, light commercial & restaurants Outdoor unit capacity range from 4 to 12HP One outdoor unit can connect multiple indoor units up to 18units

17 Technical Specification Specifications 4HP 5HP 6HP 8HP 10HP 12HP Cooling mode Heating mode Capacity kw Input kw EER kw Capacity kw Input kw COP kw Power Supply V/1ph/50Hz / V-3ph/50Hz V-3ph/50Hz Size H*W*D mm mm 1328*900* *1120*400 Noise level db(a) db(a) 45 ~ ~ 58 47~60 48~62 Max connected indoor unit quantity Diversity(Connection ratio) %

18 Features High Efficient Compressor High Efficiency, Low Noise: Optimized the efficiency and noise during operation with the latest technology Environmental Protection: Developed the compressor with alternative refrigerant which can protect environment Low Vibration: Reduced the vibration during compressor start and operation by using 2CYL structure, simplified the match of air-conditioning DC Twin Rotary 4/5/6/8HP DC Scroll 10/12HP

19 Features High Efficient Compressor 180 Sine wave control The perfect combination of 180 Sine wave rotor frequency drive control technology and excellent IPM inverters, reduces the reactive loss of motor-driven, increase motor efficiency by 12% Conventional control waveform Increase efficiency by 12% 180 Sine Wave vector Control

20 Features High Energy Saving EER COP HP 5HP 6HP 8HP 10HP 12HP

21 Features Long Piping length The total pipe length: 100m (120m for 10/12HP) Actual pipe length: 70m Height deference b/w Outdoor & Indoor : 30m Height difference between indoor units: 8m Length from first indoor distributor to last indoor unit: 20m 30m 8m 70m 20m

22 Indoor units way cassette 02. Wall-mounted 03. Floor ceiling 04. Low ESP Ducted type 05. Medium ESP Ducted type 06. High ESP Ducted type 07. Full fresh air processor 08. One-way cassette 09. Two-way cassette 10. Short Ducted type

23 Indoor units 1-way Cassette Capacity: 0.6TR to 2.0TR Single direction air flow Built-in drain pump Slim body with 250mm height Fresh air supply

24 Indoor units 2-way Cassette Capacity: 1.3TR to 4.0TR Two direction air flow Built-in drain pump Pumping head is 1200mm flexible for drainage pipe design Fresh air supply

25 Indoor units 4-way Cassette Standard type: Capacity: 0.8TR to 4.5TR Size: 950 x 950mm Compact type: Capacity: 0.6TR to 1.25TR Size: 650x650mm Standard Compact

26 Indoor units Hi-wall Mounted Capacity: 0.6TR to 2.0TR Cross flow fan Refrigerant pipe can be connected from 3 directions Simple, elegant, stylish suitable for all kinds of decoration style

27 Indoor units Floor ceiling Capacity: 1.25TR to 4.5TR Configured with low noise high performance centrifugal fans 3 dimensional air supply Built in EV kit

28 Indoor units Compact Duct Capacity: 0.6TR to 2.0TR External static pressure: 30Pa Built-in with EXV Low noise and light weight Short body, 700mm width for 0.6TR to 1.25TR unit

29 Indoor units Low static pressure Duct Capacity: 0.6TR to 2.0TR External static pressure: 20 Pa Built-in with EXV Low noise, and light weight Slim body, only 180 mm height Air return box and filter is optional

30 Indoor units Low static pressure Duct Capacity: 0.6TR to 2.0TR External static pressure: 20 Pa Built-in with EXV Low noise, and light weight Slim body, only 180 mm height Air return box and filter is optional

31 Indoor units Medium static pressure Duct Capacity: 2.0TR to 4.0TR External static pressure: 70Pa Built-in with EXV Flexible installation, many options Air return method can be site changed Air return for rear Air return from bottom

32 Indoor units High static pressure Duct 2.0/2.2/2.5TR Capacity: 2.0TR to 15.5TR External static pressure: 150 / 200 Pa Built-in with EXV Suitable for long distance air supply 2.8/3.3/4.0TR 5.5/7.0/7.8/12.5/15.5TR

33 Indoor units Fresh Air Unit 4.0TR Full fresh air processing Capacity: 4.0TR to 15.5TR ESP is up to 220Pa, suitable for long distance supply Wired control and centralized control available 6.0/7.8/12.5/15.5TR

34 Controllers & Software 01. Wireless remote controller 02. Wired controller 03. Centralized Controller 04. BMS Gateway 05. Centralized control system 06. AHU Kit

35 Controllers & Software AHU Connection Kit VESTAR AHU connection kit is an interface to allow 3rd party manufacturer s AHU connecting to VESTAR VRF outdoor units. 4 basic modules: 5HP/10HP/20HP/30HP Can be combined into bigger capacity.

36 Controllers & Software AHU Connection Kit VHX-X outdoor unit AHU kit AHU(third party)

37 Introduction THANK YOU