12
REFRIGERANT SYSTEM DIAGRAM
7
Distributor
TH7
Strainer(#100)
Strainer(#100)
Receiver
LEV-B
TH6
TH32
Plate HEX
Water IN
Water OUT
Strainer
(#100)
TH3
CHECK/V
CHECK/V
CHECK/V
H/P SW
TH4
TH8
P/B
LEV-A
COMP
REV/V
P-Sensor
S/V
Strainer
(#100)
TH33
Refrigerant flow in heating
Refrigerant flow in cooling
COMP
H/P SW
Plate HEX
REV/V
S/V
CHECK/V
P-Sensor
P/B
LEV-A
LEV-B
TH32
TH3
TH4
TH6
TH7
TH8
TH33
Receiver
DC inverter twin rotary compressor (Mitsubishi Electric Corporation)
For protection (OFF:4.15MPa)
ACH30 - 50 Plates (Alfa Laval)
Change the refrigerant circuit (Heating / Cooling) and for Defrosting
For production test use
High pressure / Low pressure / For production test use
For calculation of the condensing temperature from high pressure
Inverter power board
Heating:Secondary LEV Cooling:Primary LEV
Heating:Primary LEV
Cooling:Secondary LEV
For freeze protection and for compressor frequency control
Heating:Evaporating temperature Cooling:Sub cool liquid temperature
For LEV control and for compressor protection
Heating:Sub cool liquid temperature Cooling:Evaporating temperature
For fan control and for compressor frequency control
For power board protection
For compressor protection
For accumulation of refrigerant
Compressor
High pressure switch (63H)
Plate Heat Exchanger
Reversing (4-way) valve (21S4)
Solenoid valve
Check valve
Pressure sensor (63HS)
Power board
Linear expansion valve -A
Linear expansion valve -B
Inlet water temperature thermistor
Liquid temperature thermistor
Discharge temperature thermistor
Plate HEX liquid temperature thermistor
Ambient temperature thermistor
Heatsink temperature thermistor
Comp.shell temperature thermistor
Receiver
Symbol
Part name
Detail
PUHZ-W85VHA2.UK PUHZ-W85VHA2-BS.UK
