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4 Electrical and control settings
Wiring diagrams for indoor units and complementary systems
SMGB0099 rev.0 - 12/2016
182
4.3.2 Wiring diagrams for complementary systems
KPI-(252-2002)E4E energy recovery unit and KPI-(502-1002)X4E active unit
Mark
Name
DSW
Dip switch for settings
RSW
1,2
Rotary switch for settings
EF
1, 2
Fuse
EFR
1
Fuse
PCNn
Power connector
CNn
Connector
SEGx
Display
MIF
Motor for Indoor fan
LED
1~3
Alarm code
PCB
Printed circuit board
RCS
Remote control switch
TB
Terminal Board
TF
Transformer
THM
Thermistor
DMP
Damper
PSWx
Push button
NF1
Noise filter
MV
Expansion valve
OA
Outdoor air
RA
Return air
Field wiring
Earth wiring
Factory wiring
Main switch
(Main PCB)
Air
Outlet
Air
inlet
Liquid
Gas
<Blue>
<Red>
For 230V
fan
fan
Option
Inlet
Outlet
DX Coil
CO2 sensor
ON/OFF
CO2 Sensor
PCB1 Sockets location
PCB2 Sockets location
Electrical box