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Daikin
Air Conditioner
FTXB50C
Service Manual
Page 21
Daikin FTXB50C - Page 21
88 pages
Manual
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Inverter Single Split
13
1.2.6 Outdoor PCB: RXB50/60B, RXB50/60C, RXN50/60M, RXN50/60N, RXK50/60A,
RXC50/60A,
ARXB50/60C,
ARXN50/60M,
ARXN50/60N
1.2.6.1
Filter PCB
Item
Indication on PCB
Description
1
S
11
Connector for indoor PCB
2
FU3
Fuse (20A)
3
V2, V3
V
aristor
20
22
Table of Contents
Main Page
Default Chapter
1
Service Manual
1
Table of Contents
3
1 Inverter Single Split
9
Product Line-Up
9
Printed Circuit Board (PCB) Connector Wiring Diagram
12
Piping Length & Elevation
25
2 Function & Control
26
Temperature Control
26
Cooling and Heating Mode Operation
26
Fan Mode
27
Auto Mode
27
Cold Draft Prevention
28
Sleep Mode
28
Quiet Function
29
Eco+ Function
29
ID-OD Communication
29
Thermistors in RXN,RXB,RXC,ARXN,ARXB
30
Minimum off Time Control
30
Auto Restart
30
Auto Random Restart
30
Four Way Valve Control
32
Outdoor Fan Control
32
Rotation Regulating Functions
32
Defrost Cycle
34
Indoor Coil Freeze Prevention
34
High Pressure Protection
35
Discharge Pipe Temperature Control
35
Oil Recovery Control (Applicable for ARXN,RXN50/60L)
36
Overall Current Control
36
3 Service Diagnosis
37
Error Indication from Indoor
37
Error Code Retrieved by Handset
40
Error Indication from Outdoor
42
Error Code Description for Inverter
44
Wiring Connection
72
Refrigerant Diagram
78
Appendix A
80
Installation Condition Check
85
Outdoor Fan System Check
85
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