Mitsubishi Electric Mr.SLIM PC-2GJA Technical & Service Manual page 18

7 REFRIGERANT SYSTEM DIAGRAM
PC-2GJA / PU-2NJA
1
Indoor heat
exchanger
Distributor
with strainer
PC-2.5GJA , PC-3GJA
1
Indoor heat
exchanger
Indoor coil
thermistor
RT2
Distributor
with strainer
18
, PU-2VJA
1 2
Refrigerant pipe
(With insulator) option
Flexible tube
Flared
connection
Flared
connection
Refrigerant pipe
9.52 (3/8)
(With insulator) option
, PC-4GJSA / PU-2.5NJA
1 1
PU-3YJA
PC-2.5/3GJA Refrigerant pipe
PC-4GJA Refrigerant pipe
Flexible tube
Flared
connection
Flared
connection
Refrigerant pipe
9.52 (3/8)
(With insulator) option
15.88 (5/8)
Low pressure
Check
switch
plug
Ball Charge
valve plug
Accumulator
Compressor
O.D.4 I.D.2 –R430
Ball valve
(with service port)
, PU-2.5VJA , PU-3NJA
1 2
,PU-4TJSA , PU-4VLJSA
3 2
15.88 (5/8)
Thermal switch
19.05 (3/4)
(Only PU-4VLJSA)
Low pressure
High pressure
switch
switch
Ball Charge Check
valve plug plug
Accumulator
Compressor
Capillary tube for
injection
Only PU-2.5
PU-3
PU-4YJSA,
4TJSA
Ball valve
(with service port)
w
Capillary tube size
PU-2.5 (O.D.3.2 I.D.1.6 –R760)
PU-3 (O.D.3.2 I.D.1.8 –R800)
PU-4YJSA, 4VLJSA, 4TJSA (O.D.3.2
High
pressure
switch
Outdoor heat
exchanger
Strainer
Capillary tube
for injection
flow of refrigerant
PU-3VJA
1, 2
, PU-4YJSA
2
Strainer
Outdoor heat
exchanger
w
Capillary
tube
flow of refrigerant
2pcs
2pcs
I.D.2.0 –R840) 2pcs
,
3