UK VRF GEN 24 - Flipbook - Page 7
VRF SYSTEMS
VRF SYSTEMS INDEX
Particularly suitable for retail, hotels and office applications.
Outstanding efficiency at part load conditions:
Panasonic ECOi EX model covers down 30% part load with extremely high efficiency.
EER comparison of Panasonic 2-Pipe ECOi EX ME2 at different partial loads
Load %
100%
80%
60%
50%
40%
30%
18 HP High Efficiency model
4,54
5,30
6,37
7,12
8,23
6,93
18 HP Space saving model
3,38
3,97
4,75
5,25
5,13
4,97
Conditions: Outdoor temperature 35 °C DB, Room temperature 19 °C WB.
COP comparison of Panasonic 2-Pipe ECOi EX ME2 at different partial loads
Load %
100%
80%
60%
50%
40%
30%
18 HP High Efficiency model
3,89
5,42
6,90
6,94
6,59
6,11
18 HP Space saving model
3,43
4,90
6,36
6,59
6,33
5,92
Conditions: Outdoor temperature 0 °C WB, Room temperature 20 °C DB.
EER (W/W)
COP (W/W)
10,00
10,00
8,00
7,12
6,00
6,93
5,25
4,75
4,54
5,13
4,00
3,97
3,89
3,38
2,00
6,59
6,36
5,42
4,97
6,94
6,90
6,00
6,37
5,30
4,00
8,00
8,23
6,59 6,33
6,11 5,92
4,90
3,43
2,00
0
0
110%
80%
60%
50%
40%
30%
110%
80%
60%
Load
50%
40%
30%
Load
EER 18 HP High Efficiency model
EER 18 HP Space saving model
COP 18 HP High Efficiency model
COP 18 HP Space saving model
* Data from Panasonic official technical data book.
Excellent SEER and SCOP values for VRF 2 and 3-Pipe
Panasonic have a extremely high SEER and SCOP values following LOT21 (seasonal space cooling / heating energy
efficiency by COMMISSION REGULATION (EU) 2016/2281).
Mini ECOi (LZ)
HP
Mini ECOi (LE)
2-Pipe
3-Pipe
4
5
6
8
10
4
5
6
8
10
8
10
12
14
16
18
20
8
10
12
14
16
SEER
8,50
8,12
7,71
7,56
7,08
7,85
7,48
7,25
6,27
6,37
7,43
6,96
6,74
7,23
6,43
7,56
7,03
7,02
7,05
6,39
6,69
6,02
ηs,c
337,0 321,8 305,4 299,4 280,2
311,0 296,2 286,8 247,9 251,8
294,3 275,4 266,6 286,0 254,3 299,2 278,2
SCOP
5,05
4,87
4,79
ηs,h
199,0 181,4 180,6 180,6 181,0
4,61
4,59
4,59
4,60
4,40
4,24
4,24
4,31
191,8 172,9 166,7 166,4 169,5
4,27
4,72
4,28
4,05
4,29
4,09
188,4 167,6 185,8 168,2 159,0 168,7 160,4
277,7 278,9 252,7 264,4 237,7
4,85
4,25
4,27
4,13
3,81
190,9 166,8 167,8 162,1 149,3
Efficient defrost operation
Panasonic uses the second unit to defrost the first unit. This makes the system more efficient during defrost and does not
affect comfort.
Panasonic ECOi operates down to -25 °C
This unique feature demonstrate the supremacy of
Panasonic ECOi EX Series.
ECOi EX Series are capable of working in the challenging
ambient condition. Heating operation is possible when
outdoor temperature is as low as -25 °C.
Competitor 2
Heat source for
defrosting is
from indoor
units
Heat deposit
in the indoor
unit. No cool
air, but
extremely
low efficiency
Cold air
Defrost
Cold air.
The heat
No cold draft
source from
indoor units is from the indoor
unit during
not required
defrosting
Competitor 1
Defrost
Fan circulation
Defrost
Defrost
Panasonic
Stop air or extremely low
capacity
Lowest operating
outdoor temperature
in the market -25
-30
-25
°C
-20
Wide temperature setting range.
-15
-10
-5
0
5
10
15
20
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