Table of Contents
Advertisement
7.4 Control and Functions
7.4.1 Capacity Request Calculation
Total capacity Request=Σ(Norm code × HP) /10×
modify rate+ correction
Cooling mode:
T1 Ts
a
3
b
c
2
1
d
0
e
1
f
Capacity area
a
Norm code (N)
3
Model
9K
HP
1.0
Note: The final result is an integer.
Plus all the indoor capacity requests together,
then modify it by T4
When there is only one indoor unit
Outdoor temperature (T4)
Cooling
＞29℃
Modify rate
100%
When there are more than one indoor units
Outdoor temperature (T4)
Cooling
＞25℃
Modify rate
100%
Note: The final result is integer.
In low ambient cooling mode, modify rate is fixed
at 40%.
4
3
2
1
0
b
c
d
e
f
2
1.5
1
0.5
0
12K
18K
1.2
1.5
18℃ ~ 29℃
<17℃
60%
40%
17℃ ~ 25℃
<17℃
80%
40%
According to the final capacity request to
confirm the operating frequency, as per the
following table.
COO
Frequency (Hz)
0
L_F1
Amendatory
capacity
0
1
demand.
Meanwhile the maximum running frequency will
be adjusted according to the outdoor ambient
temp.
T4LimFre5_ADD
49
46
43
41
38
Heating mode
T1 Ts
4
f
3
e
2
d
1
c
0
b
a
Capacity area
Norm code (N)
Model
9K
HP
1.0
COO
...
COOL
L_F2
...
_F15
...
2
15
...
48
T4LimFre4_ADD
45
T4LimFre3_ADD
42
T4LimFre2_ADD
39
T4LimFre1_ADD
37
No limit
3
2
1
0
-1
a
b
c
d
e
3
2
1.5
1
0.5
12K
18K
1.2
1.5
COO
L_F1
6
16
f
0
Hide quick links:
Advertisement
Table of Contents
Troubleshooting
