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Due to continuous product research and development,
the information contained herein is subject to change without notice.
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Installation
Test room Climatic classes & classifi cations indicated on rating labels are specifi ed in ISO-23953-2 (& AS-1731) e�g� Climatic Class:
• 3=25°C @ 60% humidity,
• 4=30°C @ 55% humidity &
• 5=40 °C @ 40% humidity�
The cabinet classifi cation shall be given by the combination of climate class and M-package temperature class� Under AS & EU energy
regulations (MEPS) some display &/or storage cabinets are required to be labelled� E�g� a cabinet tested in a test room climate Class 3 with an
M1 class package would be designated as 3M1� Refrigerated Units in Commercial Kitchens would normally be climate class 4
CLIMATE CLASSES
Test Room Climate Class
Dry bulb temperature °C
Relative humidity %
Dew point °C
Water weightin dry air g/kg
0
20
50
9.3
7.3
1
16
80
12.6
9.1
2
22
65
15.2
10.8
3
25
60
16.7
12
4
30
55
20
14.8
5
40
40
23.9
18.8
6
27
70
21
15.8
7
35
75
30
27.3
M-PACKAGE TEMPERATURE CLASSES
Class
The highest temperature
0ah of the warmest
M-package equal to
or lower than °C
The lowest temperature 0b
of the coldest
M-package equal to
or higher than °C
The lowest temperature
0al of the warmest
M-package equal to
or lower than °C
L1
20
N/A
-18
L2
16
N/A
-18
L3
22
N/A
-15
M1
25
-1
N/A
M2
H1
30
-1
+1
N/A
N/A
H2
40
-1
N/A
S
Special Classifi cation
Note these ‘Classifi cations” should not be confused with Cabinet “Types” used for MEPS registration e.g.
HC1-6, VC1-4, YC1-4 or HF1-6, VF1-4 or YF1-4
Climate Classes
