The Control System Of Outdoor Unit; The Operation Frequency Of Outdoor Unit And Its Control; The Outdoor Fan Control (Exchange Fan); The Starting Of Compressor - Haier HSU-18HEA03/R2(DB)-I Service Manual

5.2 The control system of outdoor unit

5.2.1.1 The operation frequency control of compressor
Mode
Heating
Refrigeration

5.2.1.2 The starting of compressor

5.2.1.3 The speeds of increasing or decreasing the frequency of the compressor
5.2.1.4 The calculation of the compressor's frequency
Heating mode:
Serial No.
1
2
3
4
5
6
7
8
Serial No.
1
2
3
4
5

5.2.2 The outdoor fan control (exchange fan)

5.2.2.1 The outdoor fan control when refrigerating or dehumidifying
HSU-18HEA03/R2(DB)-I
20Hz
20Hz
Temperature scope
Wh_c<-12
Wh_c<-8
Wh_c<-2
Wh_c<5
Wh_c<10
Wh_c<17
Wh_c<20
Wh_c>=20
Temperature scope
Wh_c<28
Wh_c<32
Wh_c<40
Wh_c<48
Wh_c>48
17
Funcitions and Control
100Hz
90Hz
Domestic Air Conditioner