13
6
REFRIGERANT SYSTEM DIAGRAM
PU-1.6VLJA
2
.UK
PU-2VJA
2
.UK,PU-2NJA
1
.UK
Low pressure
switch
Charge
plug
Ball
valve
Ø15.88
(5/8)
Ball valve
(with service port)
Accumulator
Ø9.52
(3/8)
PU-1.6 (O.D.3.2
o
I.D.1.8-
R
900)
PU-2 (O.D.4.0
o
I.D.2.0-
R
430)
Check plug
Compressor
Capillary tube
O.D.3.2
o
I.D.1.2-
R
1000
Capillary tube
for injection
(Only PU-2NJ
1
.UK
PU-2VJA
2
.UK)
Strainer
Outdoor heat
exchanger
High pressure
switch
flow of refrigerant
PU-2.5VJA
2
.UK
PU-2.5NJA
1
.UK
Charge
plug
Ball
valve
Ball valve
(with service port)
Accumulator
Ø9.52
(3/8)
Compressor
Capillary tube for
injection
O.D.3.2
o
I.D.1.2-
R
1000
Strainer
Outdoor heat
exchanger
Check
plug
flow of refrigerant
Low pressure
switch
High pressure
switch
Ø15.88
(5/8)
Capillary
tube
(O.D.3.2
o
I.D.1.6
-
R
760)
o
2pcs
PU-3VJA
2
.UK,PU-3YJA
2
.UK,PU-3NJA
1
.UK
PU-4VLJSA
2
.UK,PU-4YJSA
2
.UK,PU-4TJSA
1
.UK
PU-5TJSA.UK, PU-5YJSA.UK
PU-6TJSA.UK, PU-6YJSA.UK
Charge
plug
Ball
valve
Ball valve
(with service port)
Accumulator
Ø9.52
(3/8)
Compressor
Capillary tube for
injection
Strainer
Outdoor heat
exchanger
Check
plug
flow of refrigerant
Low pressure
switch
High pressure
switch
Capillary
tube
PU-3NJA,3VJA
PU-3YJA
(O.D.3.2
o
I.D.1.8-
R
800)
o
2pcs
PU-4VLJSA
PU-4YJSA
PU-4TJSA
(O.D.3.2
o
I.D.2.0-
R
840)
o
2pcs
PU-3JA
Ø15.88
(5/8)
PU-4JSA
Ø19.05
(3/4)
PU-3VJA
PU-3YJA
PU-3NJA
PU-4YJSA
PU-4TJSA
(O.D.3.2
o
I.D.2.0-
R
520)
(O.D.3.2
o
I.D.1.4-
R
800)
(O.D.3.2
o
I.D.1.6-
R
500)
(O.D.3.2
o
I.D.1.2-
R
500)
Only
}
Strainer
Outdoor
heat
exchanger
Ball
valve
Ball valve
(with service port)
High pressure
switch
Compressor
Accumulator
DPR
Capillary tube
PU-5Y·TJSA (O.D. 4.0
o
I.D. 2.4 –
R
400)
PU-6Y·TJSA (O.D. 4.0
o
I.D. 2.4 –
R
200)
Capillary tube
PU-5Y·TJSA
(O.D. 4.0
o
I.D. 2.4 –
R
840)
o
2pcs
PU-6YJSA
(O.D. 4.0
o
I.D. 2.4 –
R
1200)
o
2pcs
PU-6TJSA
(O.D. 4.0
o
I.D. 2.4 –
R
740)
o
2pcs
[
9.52
(3/8)
[
19.05
(3/4)
Check plug
Charge
plug
: flow of refrigerant
