Haier N-Series Service Manual page 20

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2
3
4
5
Remarks: the above are not only the maximum frequency limitations of the complete appliance which are
affected by the environment, but also the maximum ability limitation of the system. When the starting ability is
not the maximum, its maximum frequency limitation is calculated by the following equations:
The frequency limitation which is affected by the temperature and under the condition of actual ability the
actural running system ability*the maximum frequency which is limited by the temperature and under the
condition of maximum ability/the maximum designing ability of the system
T=
indoor unit)
Refrigeration/dehumidification:
The percentage of the
rated frequency P
Heating mode
The percentage of the
rated frequency P
K= Ki/the number of running machines
The indoor set airflow
speed
The percentage of the
rated frequency Ki
The calculation of the actual output frequency: when there is no healthy airflow: F =F-ED-* P K
When the healthy airflow has been set: F =F-ED-* P K airflow speed
When refrigerating, it is needed to satisfy
When heating, it is needed to satisfy
7.1.2 The outdoor fan control (exchange fan)
When the fan is changed among every airflow speed (including stop blowing), in order to avoid the airflow
speed from skipping frequently, it must be kept under each mode for over 30 seconds, and then it can be
changed to another mode (when refrigerating, the time is changed to 15 seconds).
7.1.2.1
The outdoor fan control when refrigerating or dehumidifying
W
h
_
c
<
3
2
Wh_c
40
W
h
_
c
<
4
8
Wh_c
48
Ti*Pi / Pi ( Ti=|Tst_i-Tnh_i the indoor environment temperature| ;Pi i the ability of the
T
<1
70%
T
M
a
x
_
h
Max_hz3 90 HZ
M
a
x
_
h
Max_hz5 60 HZ
1
2
80%
85%
<1
1
2
70%
80%
85%
Low
Medium
High
80%
90%
100%
IN
< F<
IN r< F<
18
Functions and control
z
2
7
4
H
Z
z
4
6
8
H
Z
3
4
90%
100%
3
4
90%
100%
Strong
Quiet
Healthy
airflow
110%
70%
65%
K healthy airflow
r
Domestic air conditioner

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