Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
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4. Piping Diagrams
Piping Diagrams
4.1.1 ARUB076BT2, ARUB096BT2, ARUB115BT2
Cooling Operation
Pressure sensor
Pressure switch
Check valve
EEV
Indoor unit
Heat Exch.
Filter
EEV
Indoor unit
Fan
Heat Exch.
Filter
Indoor unit
EEV
Indoor unit
Heat Exch.
Filter
CON
Comp
INV
Comp
O/S
O/S
s
Sub-Cooler
By pass
Liquid Injection
Accum
4 Way Valve
s
Outdoor unit
s
s
s
s
s
s
s
s
s
s
s
s
s
HR unit
Fan
Fan
s
s
s
EEV
Sensor
Solenoid
Service Valve
Strainer
*( ) To be used only for series
(Low pressure Gas Pipe)
(Liquid pipe)
(High pressure Gas Pipe)
: Low temp./Low pressure gas
: High temp./High pressure liquid
: High temp./High pressure gas
EEV
Heat Exch.
Filter
Fan
High Pressure Gas Pipe
Low Pressure Gas Pipe
Liquid Pipe
Hot Gas
4.1 Heat Pump Model
Содержание ARUB115BT2
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