Fhq35, 50, 60B - Daikin R-410A Service Manual

PCB Layout
6.9

FHQ35, 50, 60B

1 1
PCB
3
4
Connectors
5
1–116
The illustration below shows the PCB connectors.
X61A X60A
X14A
X15A
X40A
X23A
X18A
X19A
X17A
X35A
The table below describes the PCB connectors.
Connector Connected to
X5A X1M
X10A T1R
X11A T1R
X14A S1Q
X15A –
X17A R3T
X18A R2T
X19A R1T
X20A M1F
X24A X2A on A3P
X25A –
X26A M1F
X27A X2M
X29A M1S
X33A X1A on KRP1B
X35A X1A on KRP4
X40A –
X60A X1A on DTA112 Connection for interface adapter
X61A X2A on DTA112 Connection for interface adapter
X33A
X10A X5A X24A
Description
Terminal strip for P1/P2
Transformer secondary side
Transformer primary side
Limit switch (Swing flap)
Connector for float switch. When installing the drain pump,
remove the jumper connector of X15A and carry out the addi-
tional wiring for float switch and drain pump.
Coil thermistor (gas). Not used on 71~125 class.
Coil thermistor (liquid)
Air thermistor
Fan motor (power supply)
X24A is connected when the infrared remote control is used.
Drain pump (option)
Fan motor (feedback signal)
Power supply & communication
Swing flap motor
Connector for wiring adapter KRP1B
Connector to group control adapter power supply (16VDC) for
optional PCB KRP4
Connector for remote ON/OFF, Forced OFF
ESIEN05-04
X11A X27A
X20A
X29A
X25A
X26A
Part 1 – System Outline