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Daikin VRV III vs LG MULTI V Plus II. LG. Daikin. Symbol. Description. Max. Piping length. 200. 165. a + b + c. (Equivalent). 225. 190. Max. piping length. 40. 40. b + c. between 1. branch to each IDU. st. 90. 90. (Optional condition, Refer to PDB). Max. piping length. 10. - PowerPoint PPT Presentation
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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
