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