Samsung Electronics130
10. Block Diagram
Heat exchanger in sensor
EEV stepping motor-A,B,C,D
AC
Power
Source
Outdoor temperature sensor
Condensor temperature sensor
Discharge temperature sensor
OLP temperature sensor
4-Way valve coil
Fan motor
Crank case heater
BLDC Compressor
Reactor
PCB Ass'y
PCB Ass'y
Heat exchanger out sensor
Room temperature sensor
AC zero
voltage
detect
Address
S/W
Buzzer
SSR
SMPS
Indoor Unit
control
MICOM
Comm.
Interface
(RS485)
Comm.
Interface
(RS485)
System
control
Micom
Comm.
Interface
(RS485)
Inverter
Micom
Relay
EMI
Filter
Relay x2
Relay
SMPS
Inverter driver
PFC driver
Terminal block
L | N | F1 | F2 | V1 | V2
Indoor Unit-2
Indoor Unit-3
OUTDOOR UNIT
Indoor Unit-4
Center
controller
(Option)
Transmitter
(Option)
Wired remote
controller
(Option)
Wireless
remote
controller
Blade stepping motor
Front panel stepping motor
Fan motor
Display Ass'y
Ionizer
Infrared signal receiver
L | N L | N F1 | F2
Terminal block
Display &
S/W PCB
INDOOR UNIT
DB98_20402A(1)_2 10/26/04 3:27 PM Page 130