Daikin VRV III vs LG MULTI V Plus II

Copyright 2008 All rights reserved LG Electronics Inc.ⓒ

Daikin VRV III vs LG MULTI V Plus II

Copyright 2008 All rights reserved LG Electronics Inc.ⓒ

1. Design Flexibility/ Piping length & height

f

b

c

d

e

ODU

IDU

aH1

H

H2

1st branch

LG MULTI V PLUS II has world top level on Max. piping length(225m),

Max. Height difference(100m) between ODU & IDU.

Fig. The product design flexibility comparison between LG & Daikin

Schematic diagram Table

Max. Piping length

LG Daikin

200 165(Equivalent) 225 190

Total Piping length300 3001000 1000

(IF length between 1st branch to each IDU≤ 40m)

(IF length between 1stbranch to each IDU >40m)

Max. Height differencebetween IDU & IDU 15 15

Max. piping lengthbetween 1stbranch to each IDU

40 40

(Optional condition, Refer to PDB)

Max. Height differencebetween ODU & ODU 5 5

Max. piping lengthbetween 1stBranch & ODU 10 10

Description

90 90

Max. Height differencebetween ODU & IDU

100 50 (IF ODU is upper position than IDU)

100 90 (IF IDU is upper position than ODU)

Symbol

a + b + c

b + c

H2

H1

a + f

a + b + c + d + e

H

Copyright 2008 All rights reserved LG Electronics Inc.ⓒ

MULTI V Plus II 16HP

60% (Inv. Ratio)

VRV 16Hp

25% (Inv. Ratio)

2. Inverter vs Constant Ratio

Ave 44%

Ave 65%

Inverter compressormotor output : 5.4kW

Inverter compressormotor output : 1.4kW

Constant compressormotor output : 6.7kW

Daikin

LG

Constant compressormotor output : 4.5kW*2

Inverter ratio of LG MULTI V Plus II is better than Daikin.

Copyright 2008 All rights reserved LG Electronics Inc.ⓒ

Appendix. Specification of VRV III

Copyright 2008 All rights reserved LG Electronics Inc.ⓒ

Appendix. Specification of VRV III

Copyright 2008 All rights reserved LG Electronics Inc.ⓒ

Appendix. Specification of VRV III

Copyright 2008 All rights reserved LG Electronics Inc.ⓒ

Appendix. Specification of VRV III

Copyright 2008 All rights reserved LG Electronics Inc.ⓒ

Appendix. Specification of MULTI V Plus II

Copyright 2008 All rights reserved LG Electronics Inc.ⓒ

<Heating Operation> <Cooling Operation>

* TC: Total Capacity [kW]* PI: Power Input [kW] (Comp + Outdoor fan motor)

Appendix. COP comparison with VRV III

Copyright 2008 All rights reserved LG Electronics Inc.ⓒ

■ Compressor capacity Comparison

■ Heat Exchanger Area Comparison

Appendix. Design Flexibility / Piping length & height

Copyright 2008 All rights reserved LG Electronics Inc.ⓒ

Appendix. Design limit of Daikin VRV IIIAppendix. Design limit of Daikin VRV III

Copyright 2008 All rights reserved LG Electronics Inc.ⓒ

ON ON ON

MULTI V Plus II

103m

Outdoor units

Indoor units

110m

<DA Research Lab in Korea>

Appendix. Design limit of MULTI V PLUS IIAppendix. Design limit of MULTI V PLUS II