13
0.00
2.00
4.00
6.00
8.00
10.00
12.00
5
10
15
20
25
30
35
40
(b)
(a)
(d)
(c)
Figure 1-5
For 18 kW (Single-phase & three-phase)
(a) Installation height 1 (on the lowest underground floor & A<14 m
2
)
(c) On the lowest underground floor (A≥14 m
2
)
(b) Installation height 2 (on the lowest underground floor & A<14 m
2
)
(d) Not on the lowest underground floor
Maximum refrigerant charge (Mmax/kg)
Minimum room area (Amin/m
2
)
For 18 kW (Single-phase & three-phase)
Table1-5
Amin/m
2
Mmax/kg--(a)/(b)/(c)/(d)
Mmax/kg--(a)/(b)/(c)/(d)
Mmax/kg--(a)/(b)/(c)/(d)
Amin/m
2
Amin/m
2
(a): The IDU installation height is between 1.8 m and 2.2 m while A is <14m
2
and on the lowest underground floor
(b): The IDU installation height is not less than 2.2 m while A is <14m
2
and on the lowest underground floor
(c): The refrigerant charge limitation is on the lowest underground floor while A is ≥14m
2
.
(d): The refrigerant charge limitation is not on the lowest underground floor.
4
15
26
5
16
27
6
17
28
7
18
29
8
19
30
9
20
31
10
21
32
11
22
33
12
23
34
13
24
35
14
25
2.657/2.026/-/4.15
-/-/5.065/7.865
-/-/8.78/11.58
2.072/2.532/-/4.488
-/-/5.403/8.203
-/-/9.117/11.917
2.486/3.039/-/4.826
-/-/5.74/8.54
-/-/9.455/12
2.72/3.325/-/5.163
-/-/6.078/8.878
-/-/9.793/12
2.908/3.554/-/5.501
-/-/6.416/9.216
-/-/10.131/12
3.085/3.77/-/5.839
-/-/6.754/9.554
-/-/10.468/12
3.377/3.974/-/6.177
-/-/7.091/9.891
-/-/10.806/12
3.714/4.168/-/6.514
-/-/7.429/10.229
-/-/11.144/12
4.052/4.353/-/6.852
-/-/7.767/10.567
-/-/11.481/12
4.39/4.531/-/7.19
-/-/8.104/10.904
-/-/11.819/12
≥
36
-/-/12/12
-/-/4.727/7.527
-/-/8.442/11.242
