Fdq125, 200, 250B - Daikin R-410A Service Manual

ESIEN05-04
6.8

FDQ125, 200, 250B

PCB The illustration below shows the PCB connectors.ì
X31A
X18A
X19A
Connectors The table below describes the PCB connectors.
Connector
X5A
X10A
X11A
X18A
X19A
X21A
X27A
X31A
X33A
X35A
X40A
X60A
X61A
Part 1 – System Outline
X61A X33A
X60A
X10A
X35A
Connected to Description
X1M Terminal strip for P1/P2
T1R Transformer secondary side
T1R Transformer primary side
R2T Coil thermistor (liquid)
R1T Air thermistor
K1F Magnetic contactor of fan motor
X2M Power supply & communication
A3P PCB
X1A on KRP1B Connector for wiring adapter KRP1B
X1A on KRP4 Connector to group control adapter power supply (16VDC) for
optional PCB KRP4
– Connector for remote ON/OFF, Forced OFF
X1A on DTA112 Connection for interface adapter
X2A on DTA112 Connection for interface adapter
X11A
X40A
X5A
PCB Layout
1
X27A
X21A
1–115
3
4
5