Hitachi 4FSVN1Q Installation & Maintenance Manual page 8

Outdoor Unit
Heat Exchanger Thermistor
Liquid Line Refrigerant
Piping Connection
Gas Line Refrigerant
Piping Connection
NO.
Compressor Compressor
Heat Exchanger
Heat Exchanger
Accumulator
Oil Seperator
Strainer
Strainer
Strainer
Distributor
Distributor
Reversing Valve
Reversing Valve
Capilary Tube
Capilary Tube
Capilary Tube
Electrical Expansion Valve
Check Valve
Solenoid Valve
Solenoid Valve
Check Joint Check Joint
Stop Valve for Liquid Line
Stop Valve for Gas Line
Pressure Switch Pressure Switch
Pressure Sensor Pressure Sensor
Pressure Sensor
Ambient Thermistor
Discharge Gas Thermistor
Refrigerant Flow Direction(Cooling Operation)
Refrigerant Flow Direction(Heating Operation)
Field Refrigerant Piping
Flare Connection
Remark
Bypass
Return Oil
Bypass
Bypass&Return Oil
High Pressure Protect
High Pressure
Low Pressure
NO.
Material