LG Air conditioning Company Multi V Water Ⅱ. Air Conditioning Academy

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1 LG Air conditioning Company Multi V Water Ⅱ Air Conditioning Academy

2 1.1 What is Multi V Water II? High Performance Prospect rights Water pipe Refrigerant pipe Indoor unit Beautiful Exterior Convenience and Comfort

3 1.1 What is Multi V Water II? 1. Introduction LG Water Cooled system Air Cooled System Water Cooled System Cooling Tower Water pipe Refrigerant pipe Outdoor Unit Indoor unit Boiler

4 1.2 External Appearance 1. Introduction 3Ø, V, 50Hz & 3Ø, 380V, 60Hz ARWN100LA2 ARWN200LA2 ARWN300LA2 ARWN400LA2 ARWN500LA2 ARWN600LA2

5 1.3 Product Background 1. Introduction High Performance

6 COP COP 1.3 Product Background 1. Introduction High Performance Water cooled outside Water cooled outside % Air cooled outdoor % Air cooled outdoor Floor Indoor temperature( ) Outdoor temperature [ o c] Outdoor temperature( )

7 1.3 Product Background 1. Introduction

8 1.4 System Layout 1. Introduction Beautiful Exterior

9 1.4 System Layout 1. Introduction Cooling Tower Water pipe Refrigerant pipe Outdoor Unit Refrigerant pipe Indoor unit Boiler Water pipe

10 1.4 System Layout 1. Introduction High Rising Building Discharge air circulation expected site Solve the outside air flow problems Aesthetic external Efficiency down Efficiency down Efficiency down Water cooled system is the optimal solution appearance Energy Saving

11 1.4 System Layout 1. Introduction Office Building 100m Or more Shops The solution of discharge air circulation and indoor unit height difference limits Energy saving Aesthetic Appearance Simultaneous operation during interim season No external installation space for ODU Height difference is 50m or more Water cooled system is the right solution

12 2.1 Product Line up 2. Line up Outdoor Unit Outdoor unit Power 10HP 20HP 30HP 40HP 50HP 60HP 3Ø 380~415V 50Hz 3Ø 380V 60Hz 3Ø 460V 60Hz Outdoor unit Power 8HP 16HP 24HP 32HP 40HP 48HP 3Ø 220V, 60Hz

13 2.1 Product Line up 2. Line up Indoor Unit kw Btu/h 5k 7k 9k 12k 15k 18k 24k 28k 36k 42k 48k 76k 96k ART COOL Series Gallery Mirror SRAC Ceiling Cassette Wall Mounted 1Way 2Way 4Way Ceiling & Floor Ceiling Suspended Ceiling Concealed Duct Floor Standing High Static Low Static Built-in With Case Without Case Console Fresh air Intake

14 3.1 USP 3. USP Multiple Heat Source Various heat source Cooling Tower Direct Expansion AHU Local power plant Boiler Multi V IDU Heat Source Water-cooled Multi V ODU

15 3.1 USP 3. USP Wider Operation Range Cooling Heating

16 3.1 USP 3. USP Installation Space / Reduced Installation Area Compact Size and excellent space efficiency 1,120mm 772mm 547mm Water Source Multi V 20HP - Weight : 238 kg Stacking is possible which further saves space.

17 3.1 USP 3. USP DC Inverter Compressor Optimized Scroll Shape For R410A Oil injection Mechanism High reliability in low rpm operation High Efficiency in partial-load operation Oil Discharge Reduction LG DC Inverter Motor High reliability in high rpm operation Enhanced Oil Circulation Teflon Coated Bearing High-performance Oil Pump High Efficiency Low Noise

18 H USP 3. USP Plate Type Sub-cooler Unit: mm Plate type Heat Exchanger Double Pipe Plate HEX Remark 20.1 D42.7 Shape Increased Sub cooling W 72 H254 x W521 x D47.6 H197 x W107 x D40

19 3.1 USP 3. USP Synchronized Operation Zone A Optimal solution on simultaneous operation Heating or cooling mode according to OSU. Heat exhausting Cooling Need not separate Heating/Cooling pipe. (Central A/C : 4 pipe, W/C Multi V : 2 pipe) Heat exhausting Cooling If the cooling & heating capacity are same, it operates only with the circulation of water. Heat Absorption Heat Absorption Heating Heating Zone B High efficiency system Linear control with inverter system 40% higher COP compared with Air-cooled type Max. 80% higher COP in the case of simultaneous operation

20 3.1 USP 3. USP Better Performance DC Inverter Compressor DC Inverter Unit Combination Plate Type Heat Exchanger S Co. LG M Co. * Based on 10HP model

21 3.1 USP 3. USP Long Piping Longest Piping Length 150m, Total Piping Length 300m Comparison with Competitor Actual Piping Length LG A Co. 150 m 120 m The longest piping length : 150m The total piping length : 300m Equivalent Piping Length Total Piping Length 170 m 140 m 300 m 300 m Outdoor Unit Elevation 50m Water Pipe Longest pipe length after 1 branch : 40m Refrigerant Pipe Between Indoor Units 15m Indoor unit

22 3.1 USP 3. USP Black Box and Back-up Function Black Box - Recording operation data history before system failure (3 min.) - Precise Analysis & Decision - Fast trouble-shooting Back up function Compressor failure situation Failure 1. Inverter Comp. failure 2. CH21(Error code) is displayed Inverter Comp. Constant Comp. 3. Back-up by field setting (Dip S/W)

23 3.1 USP 3. USP BLDC Inverter Units 38dB(A) AC Motor [ BLDC motor for 4way ] [ BLDC motor for 1way ] 28dB(A) 33dB(A) BLDC Motor 70% 90% 100% 110% 130% AC motor BLDC Inverter [ Wide operation range ] [ Weight comparison ]

24 3.1 USP 3. USP Network Solution User-setting Auto Changeover Mode Override (Master / Slave) Master Slave Slave Free Access of Group control Indoor Control - Each IDU Lock Function - Each IDU Temp. Range Setting

25 3.2 USP 3. USP High Energy Efficiency 3.90 [100%] 5.0 [128%] ARUN100LT2 Multi V PLUS II ARWN100LA2 Multi V Water II Better Performance and Stable than the same capacity air cooled system

26 3.2 USP 3. USP High Efficiency High Efficiency Volume 86% down Increase Sub Cooling : 100m height Installation - Optimization for EEV flow control factor Ensure Field Reliability - Stable Flow Rate, Refrigerant Noise down Target temperature Existing control Fuzzy control

27 3.2 USP 3. USP Self Diagnosis Function Boiler Cooling tower Pump Flow S/W Error caused by the water flow shortage [CH24] - Check the cooling tower & pump - Check the water pipe - Check the strainer High pressure Error [CH43] - Water flow shortage - Raise of water temperature (Check the cooling tower) - Check the cooling cycle of product Flow S/W error Strainer Flow S/W High/Low Presser error

28 3.3 Product Comparison 3. USP System Comparison High Efficient System Compact Design Cost Comparison 1,120mm 100% 81% 125% 100% 130% 772mm Front SVC panel Weight (170kg) 547mm Pile up W/C Multi V Central A/C (60HP) W/C MultiV + AHU Central A/C + AHU Initial Cost Running Cost 62% less footprint B1F~F Office Building Case in Kazakhstan

29 3.4 Benefits 3. USP Low Running Cost Low Running Cost End-user

30 3.4 Benefits 3. USP Multiple Applications End-user Water cooled system is suitable for High rising building difficult to apply air cooled system, remodeling building installed central air conditioning system, severe cold area. etc. Economical installation, maintenance cost Premium/ high rise apartments simultaneous Cooling heating load facility Partial / special load Government & public office Places requiring Individual A/C. Underground space Existing equipment remodeling

31 3.4 Benefits 3. USP LG Air Conditioner Technical Solutions (LATS) - Multi V Consultant Consultant Convenient model selection Highly user-friendly design (Autocad Version) Automatic piping design & check Download & auto upgrade from Sales Supporting System ( <Multi V model selection>

32 3.4 Benefits 3. USP LG Monitoring Viewer (LGMV) Easy start-up, Easy trouble shooting Installer Monitoring whole system such as compressor, fan, valves, etc USB - Operation State - Indoor Controller - Cycle View

33

Contents. Part 1 General Information... 1. Part 2 Outdoor Units... 9. Part 3 Installation... 50. Part 4 Troubleshooting 73

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