Refrigerant System Diagram - Mitsubishi Electric PU-P3VGAAPUH-P3YGAA PU-P3YGAAPUH-P4VGAA PU-P4VGAAPUH-P4YGAA PU-P4YGAAPUH-P5YGAA PU-P5YGAAPUH-P6YGAA PU-P6YGAA Technical & Service Manual

10

REFRIGERANT SYSTEM DIAGRAM

PUH-P1, 1.6, 2, 2.5, 3VGAA.UK
PUH-P1.6, 2, 2.5, 3YGAA.UK
Refrigerant pipe
P1···12.7A({1/2")
Indoor unit
P1.6~P3···15.88A({5/8")
(with heat insulator)
Thermistor
(TH1)
Strainer
Thermistor
(TH5)
Indoor coil
thermistor
(TH2)
Distributor
Refrigerant pipe
with
P1···6.35A({1/4")
strainer
P1.6~P3···9.52A({3/8")
(with heat insulator)
PUH-P4VGAA.UK
PUH-P4YGAA.UK
Indoor unit
Thermistor
(TH1)
Indoor coil
Thermistor
thermistor
(TH5)
(TH2)
Distributor
with
strainer
PUH-P5YGAA.UK
PUH-P5YGAA .UK
1
Indoor unit
Thermistor
(TH1)
Thermistor
(TH5)
Thermistor
(TH2)
Distributor
with
strainer
Ball valve
4-way valve
(#50)
Strainer
Flexible tube
Service
port
Flared
connection
Accumulator
(#50)
Strainer
Drier
Stop valve
(with service port)
Ball valve
Refrigerant pipe
4-way valve
19.05A({3/4")
(#50)
(with heat insulator)
Strainer
Flexible tube
Service
port
Flared
Strainer
connection
Accumulator
(#50)
Strainer
Drier
Stop valve
Refrigerant pipe
(with service port)
9.52A({3/8")
(with heat insulator)
PUH-P6YGAA.UK
PUH-P6YGAA .UK
1
Ball valve
Refrigerant pipe
19.05A({3/4")
(#50)
(with heat insulator)
Strainer
Flexible tube
Service
port
Capillary
tube w1
Flared
Strainer
connection
Bypass
valve
Accumulator
Drier
Strainer
Refrigerant pipe
(#50)
9.52A({3/8")
(with heat insulator)
Stop valve
(with service port)
High pressure
Outdoor unit
protect switch
Outdoor heat exchanger
Service
port
Muffler
Thermistor(TH4)
Compressor
(#100) (#100)
Strainer Strainer
Linear expansion valve
Refrigerant flow in cooling
Refrigerant flow in heating
Outdoor unit
High pressure
protect switch
Service
Muffler
port
Thermistor
(TH4)
Thermistor
(TH3)
Compressor
(#100)
Strainer Strainer
Liner expansion valve
Refrigerant flow in cooling
Refrigerant flow in heating
High pressure
Outdoor unit
protect switch
4-way valve
Service
port
Muffler
Thermistor
(TH4)
Thermistor
(TH3)
Compressor
Strainer Strainer
(#100) (#100)
Liner expansion valve
Refrigerant flow in cooling
Refrigerant flow in heating
27
<4-way valve solenoid coil>
Heating : ON
Cooling : OFF
Thermistor
(TH6)
Thermistor
(TH3)
Distributor
with
strainer
Thermistor
(TH6)
Distributor
with
strainer
Capillary tube
(O.D.4.0 I.D.3.0-L350) 2pcs
(#100)
Thermistor
(TH6)
Distributor
with
strainer
Capillary tube
(O.D.4.0 I.D.3.0-L200) 2pcs
w1 : O.D.4.0 I.D.2.0-L400(PUH-P5YGAA
O.D.4.0 I.D.3.0-L450(PUH-P6YGAA
.UK)
(1)
.UK)
(1)