Engineering manual
315
Indoor
unit
-
Indoor
unit
Defrost
Remote controller display
b1
Possible reason
Indoor unit coil temperature temporary low
Indoor unit coil pipe block
Refrigerant leakage
Indoor coil middle temperature sensor fault
Indoor unit electrical expansion valve abnormal
Diagnostic
Yes
No
Yes
No
Check whether indoor
middle coil temperature
sensor is failure ?
Does indoor unit exit
this fault after a few
minutes?
Yes
No
Check whether
expansion valve is fixed
and work well?
Check whether most of
indoor unit have this
fault?
Yes
No
System is normal
Change a new sensor
Asks service to check
the expansion valve
Ask service to check the
refrigerant quantity
Change indoor unit
electrical board
Содержание KXV Series
Страница 36: ...Engineering manual 36 Heating Chart 1 1 b...
Страница 68: ...Engineering manual 68 1 3 Dimension diagram and exploded view 1 3 1 Dimension diagram Chart 1 5 Chart 1 6...
Страница 69: ...Engineering manual 69 1 3 2 Exploded view Unit body exploded view Chart 1 7...
Страница 70: ...Engineering manual 70 Panel exploded view Chart 1 8...
Страница 75: ...Engineering manual 75 1 4 Electric board wiring diagram Chart 1 9...
Страница 93: ...Engineering manual 93 2 3 2 Exploded view Unit body exploded view Chart 2 5...
Страница 94: ...Engineering manual 94 Panel exploded view Chart 2 6...
Страница 99: ...Engineering manual 99 2 4 Electric board wiring diagram Chart 2 7...
Страница 118: ...Engineering manual 118 3 3 2 Exploded view Chart 3 6...
Страница 124: ...Engineering manual 124 3 4 Electric board wiring diagram Chart 3 7...
Страница 143: ...Engineering manual 143 4 3 2 Exploded view DLV007 009 012 015 exploded view Chart 4 4...
Страница 144: ...Engineering manual 144 DLV018 021 024 exploded view Chart 4 5...
Страница 150: ...Engineering manual 150 4 4 Electric board wiring diagram Chart 4 6...
Страница 165: ...Engineering manual 165 5 3 Dimension diagram and exploded view 5 3 1 Dimension diagram Chart 5 3...
Страница 166: ...Engineering manual 166 5 3 2 Exploded view Chart 5 4...
Страница 167: ...Engineering manual 167 5 4 Electric board wiring diagram Chart 5 5...
Страница 177: ...Engineering manual 177 5 9 Operation and maintenance Please refer to DLV series corrective section above...
Страница 182: ...Engineering manual 182 6 3 2 Exploded view PNV007 009 012 exploded view Chart 6 5...
Страница 183: ...Engineering manual 183 PNV015 018 021 exploded view Chart 6 6...
Страница 189: ...Engineering manual 189 6 4 Electric board wiring diagram Chart 6 7...
Страница 203: ...Engineering manual 203 Part IV Outdoor unit 1 OUTDOOR UNIT 204 2 HMI HUMAN AND MACHINE INTERFACE INTRODUCTION 236...
Страница 204: ...Engineering manual 204 1 Outdoor unit Model KBTU h Brand YAV112 38 2 YAV140 47 8 Airwell...
Страница 206: ...Engineering manual 206 1 2 Dimension diagram and exploded view 1 2 1 Dimension diagram Chart 1 1...
Страница 207: ...Engineering manual 207 1 2 2 Exploded view YAV112 140 Chart 1 2...
Страница 210: ...Engineering manual 210 1 3 Electric board wiring diagram Chart 1 3...
Страница 212: ...Engineering manual 212 Chart 1 10 Chart 1 11 Chart 1 12 Chart 1 13 Chart 1 14 Unit mm...
Страница 283: ...Engineering manual 283 Chart 3 4...
Страница 294: ...Engineering manual 294 4 1 Appearance RC3i 1 A Q C E F G I D H J K L M N O P B...
Страница 295: ...Engineering manual 295 A B C G D F E H I J K L M N O P Q RC7i 1...
Страница 372: ...Engineering manual 372...
Страница 376: ...Engineering manual 376 Click the value area of axis a dialog is shown to set the range of axis...