Daikin FTX50GV1B - Part 2 Specifications

SiBE041029EC
Table of Contents ii
1. Safety Cautions.......................................................................................v
1.1 Warnings and Cautions Regarding Safety of Workers.............................v
1.2 Warnings and Cautions Regarding Safety of Users............................... vii
2. Used Icons ..............................................................................................x
Part 1 List of Functions ................................................................ 1
1. Functions.................................................................................................2
Part 2 Specifications .................................................................... 3
1. Specifications ..........................................................................................4
Part 3 Printed Circuit Board Connector Wiring Diagram ........... 11
1. Indoor Unit.............................................................................................12
2. Outdoor Unit..........................................................................................14
2.1 RX50/60G2V1B, 71 Class......................................................................14
2.2 RX50/60G2V1B9, RX50/60G3V1B, RX60G4V1B..................................16
Part 4 Function and Control........................................................ 18
1. Main Functions......................................................................................19
1.1 Temperature Control ..............................................................................19
1.2 Frequency Principle................................................................................19
1.3 Airflow Direction Control.........................................................................21
1.4 Fan Speed Control for Indoor Unit .........................................................22
1.5 Program Dry Operation ..........................................................................23
1.6 Automatic Operation...............................................................................24
1.7 Thermostat Control.................................................................................25
1.8 NIGHT SET Mode ..................................................................................26
1.9 HOME LEAVE Operation .......................................................................26
1.10 INTELLIGENT EYE Operation ...............................................................28
1.11 Inverter POWERFUL Operation .............................................................29
1.12 Clock Setting ..........................................................................................29
1.13 Other Functions......................................................................................30
2. Function of Thermistor ..........................................................................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.....................................................37
3.5 Input Current Control..............................................................................38
3.6 Freeze-up Protection Control .................................................................39
3.7 Heating Peak-cut Control .......................................................................39
3.8 Outdoor Fan Control...............................................................................40
3.9 Liquid Compression Protection Function................................................40
3.10 Defrost Control .......................................................................................41
3.11 Electronic Expansion Valve Control .......................................................42
3.12 Malfunctions ...........................................................................................45