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When there is more than one indoor unit:
Cooling
Modify Rate
NOTE:
The final result is integer.
In low ambient cooling mode, modify rate is fixed as 40%.
According to the final capacity request to confirm he operating frequency, as following table.
Frequency (Hz)
Amendatory capacity
demand
Meanwhile the maximum running frequency will be adjusted according to the outdoor ambient temp.
Heating Mode
Plus all the indoor capacity request together, then multiply it by T4.
When there is only one indoor unit:
Capacity Area
Norm Code (N)
Model
HP
>25°C
>77°F
100%
COOL_
0
F1
0
1
49
46
43
41
38
Figure 39. Heating Mode
T1 Ts
4
3
2
1
0
9K
1.0
Outdoor Temperature (T4)
17°C - 25°C
62.6°F - 77°F
80%
...
COOL_
F2
...
...
2
...
T4LimFre5_ADD
T4LimFre4_ADD
T4LimFre3_ADD
T4LimFre2_ADD
T4LimFre1_ADD
No limit
f
e
d
c
b
-1
a
a
b
3
2
12K
1.2
96
COOL_
15
15
48
45
42
39
37
3
2
1
0
c
d
1.5
1
<17°C
<62.6°F
40%
COOL_
16
16
e
f
.5
0
18K
1.5
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