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