SiUS12-928_B
ii
Table of Contents
1. Indoor Unit.................................................................................................17
1.1
CTXS07JVJU, CTXS09/12HVJU, FTXS15/18HVJU.................................. 17
1.2
CTXS07LVJU, FTXS09/12LVJU ................................................................ 19
1.3
FTXS15/18LVJU ........................................................................................ 22
1.4
FDXS09/12DVJU ....................................................................................... 25
1.5
FDXS09/12LVJU, CDXS15/18LVJU .......................................................... 27
2. Outdoor Unit..............................................................................................29
2.1
2MXS18GVJU ............................................................................................ 29
2.2
3MXS24JVJU, 4MXS32GVJU.................................................................... 32
Part 4
Function and Control........................................................... 34
1. Main Functions..........................................................................................35
1.1
Temperature Control .................................................................................. 35
1.2
Frequency Principle.................................................................................... 35
1.3
Airflow Direction Control (CTXS/FTXS Series) .......................................... 37
1.4
Fan Speed Control for Indoor Unit ............................................................. 39
1.5
Program Dry Operation .............................................................................. 40
1.6
Automatic Operation................................................................................... 41
1.7
Thermostat Control..................................................................................... 42
1.8
NIGHT SET Mode ...................................................................................... 44
1.9
ECONO Operation ..................................................................................... 45
1.10 HOME LEAVE Operation ........................................................................... 46
1.11 INTELLIGENT EYE Operation (CTXS/FTXS Series)................................. 47
1.12 Inverter POWERFUL Operation ................................................................. 48
1.13 Other Functions.......................................................................................... 49
2. Function of Thermistor ..............................................................................51
3. Control Specification .................................................................................54
3.1
Mode Hierarchy .......................................................................................... 54
3.2
Frequency Control...................................................................................... 55
3.3
Controls at Mode Changing / Start-up........................................................ 57
3.4
Discharge Pipe Temperature Control......................................................... 58
3.5
Input Current Control.................................................................................. 59
3.6
Freeze-up Protection Control ..................................................................... 59
3.7
Heating Peak-cut Control ........................................................................... 60
3.8
Outdoor Fan Control................................................................................... 61
3.9
Liquid Compression Protection Function.................................................... 61
3.10 Defrost Control ........................................................................................... 62
3.11 Low Hz High Pressure Limit ....................................................................... 63
3.12 Outdoor Electronic Expansion Valve Control ............................................. 63
3.13 Malfunctions ............................................................................................... 68
Part 5
Operation Manual ................................................................ 70
1. System Configuration................................................................................71
2. CTXS-J, CTXS-H, FTXS-H Series ............................................................72