Table of Contents
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CONTENTS
I Features
[1] Features.................................................................................................................................... 1
II Components and Functions
[1] Components and Functions...................................................................................................... 2
[1] Specifications............................................................................................................................ 5
1.Specfications .......................................................................................................................... 5
2.Electrical component specifications........................................................................................ 7
[1] Outlines and Dimensions.......................................................................................................... 8
[1] Wiring Diagram ....................................................................................................................... 12
[1] Refrigerant system diagram.................................................................................................... 13
[1] Troubleshooting ...................................................................................................................... 14
1.Check methods..................................................................................................................... 14
2.DC fan motor (fan motor/indoor control board)..................................................................... 18
3.Setting of address switch...................................................................................................... 19
4.Voltage test points on the control board ............................................................................... 20
5.Setting of Dip-switch (at delivery) ......................................................................................... 21
6.Function setting .................................................................................................................... 21
7.Selecting the external static pressure................................................................................... 22
8.Setting addresses ................................................................................................................. 23
9.Setting of intermittent fan control .......................................................................................... 23
10.Function the LED of the indoor unit service board.............................................................. 23
[1] Disassembly Procedure.......................................................................................................... 24
1.Control box ........................................................................................................................... 24
2.Thermistor (Intake air) .......................................................................................................... 25
3.Drain pan .............................................................................................................................. 26
4.LEV, thermistor (Liquid/Gas piping temperature detection).................................................. 27
5.Fan and fan motor ................................................................................................................ 28
6.Bearing ................................................................................................................................. 29
7.Heat exchanger .................................................................................................................... 30
8.Control box inside layout ...................................................................................................... 32
9.Sensor position ..................................................................................................................... 33
HWE18160
GB
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