Wiring Diagrams
23
Domestic Air Conditioner
5 Wh_c<12 Max_hz1 80HZ
6 Wh_c<17 Max_hz2 70 HZ
7 Wh_c<20 Max_hz2 55 HZ
8
Wh_c
≥
20
Max_hz6 45 HZ
Remarks: the above are the maximum frequency limitations of the complete appliance which are
affected by the environment, and they have nothing to do with the ability of the indoor unit.
Refrigeration/dehumidification mode::
Serial No. Temperature scope Frequency limitation
1 Wh_c<28 Max_hz1 45 HZ
2 Wh_c<32 Max_hz2 72 HZ
3 Wh_c<40 Max_hz3 80 HZ
4 Wh_c<48 Max_hz4 65 HZ
5
Wh_c
≥
48
Max_hz5 50 HZ
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=ě˄Ti*Pi˅/ěPi (Ti=|Tst_i-Tnh_i the indoor environment temperature| ;Pi˙i the ability of
the indoor unit)
Refrigeration/dehumidification:
Heating mode˖
K=ěKi/the number of running machines
The calculation of the actual output frequency: when there is no healthy airflow: F =F-ED-*hPhK
When the healthy airflow has been set: F =F-ED-*hPhK˄airflow speed˅hK˄healthy airflow˅
When refrigerating, it is needed to satisfy ˢˉ˩INˉ< F<ˢˉ˩˝˴ˉ
When heating, it is needed to satisfy ˢˉ˩INˉr< F<ˢˉ˩˝˴ˉr
T
<1
˙1 ˙2 ˙3
≥
4
The percentage of the
rated frequency P
50% 70% 100% 120% 140%
T
<1
˙1 ˙2 ˙3
≥
4
The percentage of the
rated frequency P
50% 70% 100% 140% 160%
The indoor set
airflow speed
Breeze Low Medium High Strong Quiet Healthy
airflow
The percentage
of the rated
frequency Ki
65ˁ
70% 90% 100% 180% 65% 70%
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