Service Manual
Manuals
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Daikin Manuals
Ductless Mini Splits
18,000 BTU 18 SEER Dual Zone Wall Mounted Mini-Split Heat Pump System 7+7
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Table Of Contents
Cover
Table of Contents
Part 1 List of Functions
1. Functions
Part 2 Specifications
1. Indoor Unit
2. Outdoor Unit
Part 3 Printed Circuit Board Connector Wiring Diagram
1. Indoor Unit
2. Wired Remote Controller
3. Wireless Remote Controller
4. Outdoor Unit
Part 4 Function and Control
1. Function of CTXS, FTXS, CDXS, FDXS, FVXS Series
2. Function of FFQ Series
3. Control Specification
Part 5 Remote Controller
1. CTXS, FTXS Series
2. CDXS, FDXS Series
3. FVXS Series
4. FFQ Series
Part 6 Service Diagnosis
1. General Problem Symptoms and Check Items
2. Troubleshooting with LED
3. Service Diagnosis
4. Code Indication on Remote Controller
5. Troubleshooting for CTXS, FTXS, CDXS, FDXS, FVXS Series
6. Troubleshooting for FFQ Series
7. Troubleshooting for Outdoor Unit
8. Check
Part 7 Trial Operation and Field Settings
1. Pump Down Operation
2. Wiring Error Check Function
3. Trial Operation
4. Field Settings
5. Silicon Grease on Power Transistor / Diode Bridge
Part 8 Appendix
1. Piping Diagrams
2. Wiring Diagrams
Wired Remote Controlle
r
SiUS121502E
28
Print
ed C
ircu
it B
oard
Conn
ect
or Wi
rin
g Diag
ra
m
2.2
BRC1E72/73
Wired Re
mote
Controller PCB
1)
P1, P2
Terminal f
or i
ndoor uni
t
2)
R1T
Room temperature ther
mistor
P2
R1T
P1
2P298037-3
2P298037-7
1
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