Daikin VRV III vs LG MULTI V Plus II
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Transcript of Daikin VRV III vs LG MULTI V Plus II
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Copyright 2008 All rights reserved LG Electronics Inc.ⓒ
Daikin VRV III vs LG MULTI V Plus II
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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
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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.
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Appendix. Specification of VRV III
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Appendix. Specification of VRV III
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Appendix. Specification of VRV III
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Appendix. Specification of VRV III
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Appendix. Specification of MULTI V Plus II
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<Heating Operation> <Cooling Operation>
* TC: Total Capacity [kW]* PI: Power Input [kW] (Comp + Outdoor fan motor)
Appendix. COP comparison with VRV III
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Copyright 2008 All rights reserved LG Electronics Inc.ⓒ
■ Compressor capacity Comparison
■ Heat Exchanger Area Comparison
Appendix. Design Flexibility / Piping length & height
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Copyright 2008 All rights reserved LG Electronics Inc.ⓒ
Appendix. Design limit of Daikin VRV IIIAppendix. Design limit of Daikin VRV III
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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