5
For WH-SXC09K3E5, WH-SXC09K6E5, WH-SXC12K6E5
Table I – Maximum refrigerant charge allowed in a room
A
room
(m
2
)
Maximum refrigerant charge in a room
(
m
max
) (kg)
H
=
1.15m
H
=
1.20m
H
=
1.30m
H
=
1.40m
H
=
1.50m
H
=
1.60m
H
=
1.70m
H
=
1.80m
1 0.265 0.276 0.299 0.322 0.345 0.368 0.391 0.414
2 0.530 0.553 0.599 0.645 0.691 0.737 0.783 0.829
3 0.794 0.829 0.898 0.967 1.036 1.105 1.174 1.243
4 1.059 1.105 1.197 1.289 1.382 1.474 1.566 1.658
5 1.324 1.382 1.497 1.612 1.727 1.842 1.957 2.072
6 1.589 1.658 1.796 1.934 2.072 2.210 2.349 2.487
7 1.738 1.814 1.965 2.116 2.267 2.418 2.570 2.721
8 1.858 1.939 2.101 2.262 2.424 2.585 2.747 2.909
9 1.971 2.057 2.228 2.399 2.571 2.742 2.914 3.085
10 2.078 2.168 2.349 2.529 2.710 2.891 3.071 3.252
11 2.179 2.274 2.463 2.653 2.842 3.032 3.221 3.411
12 2.276 2.375 2.573 2.771 2.969 3.166 3.364 3.562
13 2.369 2.472 2.678 2.884 3.090 3.296 3.502 3.708
• For intermediate
H
values, the value that corresponds to the lower
H
value from the table considered.
Example:
For
H
=
1.25 m, the value that corresponds to “
H
=
1.20 m” is
considered.
• For intermediate
A
room
values, the value that corresponds to the
lower
A
room
value from the table is considered.
Example:
For
A
room
= 10.5 m
2
, the value that corresponds to
“
A
room
= 10 m
2
” is considered.
Table II – Minimum floor area
m
c
(kg)
Minimum floor area
(
A
min total
(m
2
))
H
=
1.15m
H
=
1.20m
H
=
1.30m
H
=
1.40m
H
=
1.50m
H
=
1.60m
H
=
1.70m
H
=
1.80m
1.84 7.84 7.20 6.15 5.71 5.33 4.99 4.70 4.44
1.86 8.02 7.36 6.27 5.77 5.39 5.05 4.75 4.49
1.88 8.19 7.52 6.41 5.83 5.44 5.10 4.80 4.54
1.90 8.36 7.68 6.54 5.89 5.50 5.16 4.85 4.58
1.92 8.54 7.84 6.68 5.96 5.56 5.21 4.91 4.63
1.94 8.72 8.01 6.82 6.02 5.62 5.27 4.96 4.68
1.96 8.90 8.17 6.96 6.08 5.67 5.32 5.01 4.73
1.98 9.08 8.34 7.11 6.14 5.73 5.37 5.06 4.78
2.00 9.27 8.51 7.25 6.25 5.79 5.43 5.11 4.83
2.02 9.45 8.68 7.40 6.38 5.85 5.48 5.16 4.87
2.04 9.64 8.85 7.54 6.51 5.91 5.54 5.21 4.92
2.06 9.83 9.03 7.69 6.63 5.96 5.59 5.26 4.97
2.08 10.02 9.21 7.84 6.76 6.02 5.65 5.31 5.02
2.10 10.22 9.38 8.00 6.89 6.08 5.70 5.37 5.07
2.12 10.41 9.56 8.15 7.03 6.14 5.75 5.42 5.12
m
c
(kg)
Minimum floor area
(
A
min total
(m
2
))
H
=
1.15m
H
=
1.20m
H
=
1.30m
H
=
1.40m
H
=
1.50m
H
=
1.60m
H
=
1.70m
H
=
1.80m
2.14 10.61 9.74 8.30 7.16 6.24 5.81 5.47 5.16
2.16 10.81 9.93 8.46 7.29 6.35 5.86 5.52 5.21
2.18 11.01 10.11 8.62 7.43 6.47 5.92 5.57 5.26
2.20 11.21 10.30 8.77 7.57 6.59 5.97 5.62 5.31
• For intermediate
H
values, the value that corresponds to the lower
H
value from the table considered.
Example:
For
H
=
1.25 m, the value that corresponds to “
H
=
1.20 m” is considered
.
• For intermediate
m
c
values, the value that corresponds to the higher
m
c
value from the table is considered.
Example:
If
m
c
= 1.85 kg, the value that corresponds to “
m
c
= 1.86 kg” is
considered.
• Systems with total refrigerant charge lower than 1.84 kg are not
subjected to any room area requirements.
• Charges above 2.20 kg are not allowed in the unit.
Table III – Minimum venting opening area for natural ventilation
m
c
(kg)
m
max
(kg)
m
excess
(kg)
=
m
c
-
m
max
Minimum venting opening area
(
VA
min
) (cm
2
)
H
=
1.15m
H
=
1.20m
H
=
1.30m
H
=
1.40m
H
=
1.50m
H
=
1.60m
H
=
1.70m
H
=
1.80m
2.2 0.1 2.1
614 601 577 556 537 520 505 490
2.2 0.3 1.9
555 543 522 503 486 471 457 444
2.2 0.5 1.7
497 486 467 450 435 421 409 397
2.2 0.7 1.5
438 429 412 397 384 372 360 350
2.2 0.9 1.3
380 372 357 344 333 322 312 304
2.2 1.1 1.1
321 315 302 291 281 272 264 257
2.2 1.3 0.9
263 257 247 238 230 223 216 210
2.2 1.5 0.7
205 200 192 185 179 173 168 163
2.2 1.7 0.5
149 143 137 132 128 124 120 117
2.2 1.9 0.3
95 91 84 79 77 74 72 70
2.2 2.1 0.1 33 32 29 27 26 25 24 23
2.2 2.2 0 0 0 0 0 0 0 0 0
• For intermediate
H
values, the value that corresponds to the lower
H
value from the table considered.
Example:
For
H
=
1.25 m, the value that corresponds to “
H
=
1.20 m” is
considered.
• For intermediate
m
excess
values, the value that corresponds to the
higher
m
excess
value from the table is considered.
Example:
m
excess
= 1.45 kg, the value that corresponds to “
m
excess
= 1.6 kg”
is considered.
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