Refrigerant System Diagram
4. Refrigerant System Diagram
Indoor unit
Heat
exchanger
(evaporator)
5. Schematic Diagram
5.1 Electrical Wiring
Meaning of marks
Symbol
OG
Color symbol
ORANGE
Symbol
Parts name
COMPRESSOR
8
Gas pipe
side
Valve
Liquid pipe
side
Valve
WH
YE
WHITE YELLOW
COMP
CT1,2
OVERLOAD
Di s charge
Accumlator
Suction
Compressor
Strainer
Electron
expansion
valve
RD
YEGN
RED
YELLOW GREEN
4V
4-WAY VALVE
Outdoor unit
4-Way valve
Heat
exchanger
(condenser)
Capillary
Strainer
BN
BU
BROWN
BLUE
XT
TERMINAL BLOCK
PROTECTIVE EARTH
COOLING
HEATING
BK
VT
BLACK
VIOLET