Hitachi RCI-4.0FSR - DX-Interface Exv-(2.0-10.0)E2

3 Electrical and control settings
Wiring diagrams
SMGB0137 rev.0 - 05/2021
76
3.3.14 DX-Interface EXV-(2.0-10.0)E2
Main switch,
CB (fuse),
ELB
Main switch,
CB (fuse),
ELB
Connected directly to PCB
Optional
Field
installation
Expansion
valve
Option
Coil
inlet
Coil
outlet
Liquid Gas
(blue) (red) (black) (yellow)
Connected directly to PCB
Electricalcontrolbox
for DX-Kit 2
PCB2Socketslocation
PCB1Socketslocation
Mark Name
CNn Connector on PCB
PCNn Power connector on PCB
DSW3-7 DIP switch for setting
RSW1,2 Rotary switch for setting
EFR1 Power supply fuse
EF2 PCB fuse EF3 Fuse for PCN5 connector
MIF1,2 Motor for Indoor fan
MV Micro-computercontrolexpansionvalve
MD Motor for drain discharge mechanism
FS Float switch
PCB1,2 Printed circuit board
TB1,2 Terminal board
THM1-5 Thermistor
TF Transformer
ITI Internal thermostat for indoor fan motor
RCS Remote control switch
YH1 Relay for HI fan motor tap
YME Relay for ME fan motor tap
YLO Relay for LO fan motor tap
YSLO Relay for SLO fan motor tap
YH2 Relay for drain motor
Y52H Relay for Electric heater
SEGn 7-segments display
PSW1-3 Push button
1~ 230V 50Hz