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Ventilation requirements
• Two ventilation openings, one at bottom, another at top, for ventilation purposes are made
between room A and room B.
• Bottom opening :
- Must comply to the minimum area requirement of Anv
- Opening must be located 300mm from the floor.
- At least 50% of required opening area must be 200mm from the floor.
- The bottom of the opening shall not be higher than the point of release when the unit is
installed and must be situated 100mm above the floor.
- Must be as close as possible to the floor and lower than h
(h
=Installation height, The value of h
0
• Top opening :
- The total size of the Top opening must be more than 50% of Anv
- Opening must be located 1500mm above the floor.
• The height of the openings between the wall and floor which connect the rooms are not less
than 20 mm.
• Ventilation openings to the outside are NOT considered suitable ventilation openings (the user
can block them when it is cold).
Table 1 - Maximum refrigerant charge allowed in a room
A
(m
2
)
room
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
NOTE
• The value of "Release height (h
60335-2-40:2013 A1 2016 Clause GG2.
• For intermediate A
table is considered. (If A
in this unit is considered as 1.2m)
0
Maximum refrigerant charge in a room m
)" in this unit is considered 1200 mm to comply to IEC
0
values, the value that corresponds to the lower A
room
2
=10.5 m
, consider the value that corresponds to A
room
INSTALLATION OF INDOOR UNIT
.
min
.
0
min
Based on h
1.2 m
0
0.28
0.55
0.83
1.11
1.38
1.66
1.81
1.94
2.06
2.17
2.27
2.37
2.47
2.57
2.66
2.74
2.83
2.91
2.99
3.07
3.14
value from the
room
49
(kg)
max
2
=10 m
.)
room
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