DAMA-SM-21-003
i Table of Contents
Introduction .................................................................................... 1
1. Safety Cautions.......................................................................................2
1.1 Warnings and Cautions Regarding Safety of Workers.............................2
1.2 Warnings and Cautions Regarding Safety of Users.................................8
2. Icons Used ............................................................................................10
3. Revision History ....................................................................................11
Part 1 General Information .......................................................... 12
1. Applicable Models.................................................................................13
Part 2 Specifications.................................................................... 15
1. Specification Data .................................................................................16
2. Functions...............................................................................................20
Part 3 Functions and Control ....................................................... 21
1. Main Functions......................................................................................22
1.1 Temperature Control ..............................................................................22
1.2 Frequency Control..................................................................................22
1.3 Airflow Direction Control.........................................................................24
1.4 Fan Speed Control for Indoor Unit .........................................................24
1.5 Dry Mode................................................................................................25
1.6 Automatic Operation...............................................................................26
1.7 Thermostat Control.................................................................................27
1.8 ECO+ Operation ....................................................................................28
1.9 Sleep Mode ............................................................................................29
1.10 POWERFUL Operation ..........................................................................29
1.11 Other Functions......................................................................................30
2. Thermistor Functions ............................................................................31
3. Control Specification .............................................................................32
3.1 Mode Hierarchy......................................................................................32
3.2 Frequency Control..................................................................................33
3.3 Controls at Mode Changing/Start-up......................................................35
3.4 Discharge Pipe Temperature Control.....................................................36
3.5 Input Current Control..............................................................................37
3.6 Freeze-up Protection Control .................................................................38
3.7 Heating Peak-cut Control .......................................................................39
3.8 Outdoor Fan Control...............................................................................40
3.9 Liquid Compression Protection Function................................................41
3.10 Defrost Control .......................................................................................41
3.11 Electronic Expansion Valve Control .......................................................42
3.12 Malfunctions ...........................................................................................46
DAMA-SM-21-003 -Inverter Multi Split-CTX Series.book Page i Wednesday, September 1, 2021 5:44 PM
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