CONTENTS
HWE19070
GB
I
Features
[1] Features.................................................................................................................................... 1
II
Components and Functions
[1] Components and Functions...................................................................................................... 2
III
Specifications
[1] Specifications............................................................................................................................ 5
1.Specifications.......................................................................................................................... 5
2.Electrical component specifications...................................................................................... 11
IV
Outlines and Dimensions
[1] Outlines and Dimensions........................................................................................................ 14
[2] Service Space......................................................................................................................... 17
V
Wiring Diagram
[1] Wiring Diagram ....................................................................................................................... 20
VI
Refrigerant System Diagram
[1] Refrigerant system diagram.................................................................................................... 22
VII
Troubleshooting
[1] Troubleshooting ...................................................................................................................... 23
1.Check methods..................................................................................................................... 23
2.DC fan motor (fan motor/indoor control board)..................................................................... 27
3.Address switch setting .......................................................................................................... 28
4.Voltage test points on the control board ............................................................................... 29
5.Dipswitch setting (Factory setting)........................................................................................ 30
VIII
Disassembly Procedure
[1] Disassembly Procedure.......................................................................................................... 33
1.Control box ........................................................................................................................... 33
2.Thermistor (Intake air) .......................................................................................................... 34
3.Drain pump ........................................................................................................................... 34
4.Drainpan ............................................................................................................................... 35
5.Thermistor (Gas pipe) (Liquid pipe) ...................................................................................... 36
6.Fan and fan motor ................................................................................................................ 37
7.Heat exchanger .................................................................................................................... 38
HWE19070.book Page 1 Thursday, September 12, 2019 3:46 PM
