05
Table 1-Maximum refrigerant charge allowed in a room:indoor unit
1
2
3
4
5
6
Maximum refrigerant charge in a room(m
max
)(kg)
A
room
(m
2
)
1.02
2.51
1.45
2.05
1.77
H=1800mm
Maximum refrigerant charge in a room(m
max
)(kg)
A
room
(m
2
)
H=1800mm
2.29
For wall mounted models, the value of “Installation height (H)” is considered 1800 mm to comply to IEC
60335-2-40:2013 A1 2016 Clause GG2.
For intermediate A
room
values(i.e. when A
room
is between two values from the table), consider the value that
corresponds to the lower A
room
value from the table. If A
room
=3m
2
, consider the value that corresponds to “A
room
=3m
2
”
.
NOTE
Table 2-Minimum floor area:indoor unit
1.84
2.00
2.25
2.50
Minimum floor area(m
2
)
m
c
(kg)
3.32
3.81
5.96
4.83
H=1800mm
For wall mounted models, the value of “Installation height (H)” is considered 1800 mm to comply to IEC
60335-2-40:2013 A1 2016 Clause GG2.
For intermediate m
c
values(i.e. when m
c
is between two values from the table), consider the value that corresponds
to the higher m
c
value from the table. If m
c
=1.87kg , consider the value that corresponds to “m
c
=1.87kg”
.
Systems with total refrigerant charge lower than 1.84kg are not subjected to any room requirements.
NOTE
Table 3-Minimum venting opening area for natural ventilation:
indoor unit
2.22
2.22
2.22
2.22
2.22
2.22
2.22
2.22
2.22
Minimum venting opening area(cm
2
)
m
c
2.12
1.12
1.92
1.52
1.72
261.59
495.14
H=1800mm
m
max
dm=m
c
-m
max
(kg)
0.1
0.3
0.5
0.7
0.9
1.1
1.3
1.5
1.7
1.32
0.92
0.72
0.52
308.30
214.87
168.16
121.45
448.43
355.01
401.72
For wall mounted models, the value of “Installation height (H)” is considered 1800 mm to comply to IEC
60335-2-40:2013 A1 2016 Clause GG2.
For intermediate dm values(i.e. when dm is between two values from the table), consider the value that corresponds
to the higher dm value from the table. If dm =1.55kg , consider the value that corresponds to “dm =1.6kg”
.
NOTE
2.22
1.9
0.32
74.74
2.22
2.1
0.12
28.03
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