Refrigerant Cycle - Hitachi FSXN1E Series Installation And Operation Manual

Refrigerant cycle

5 REFRIGERANT CYCLE
5.1 RAS-(8-12)FSXN1E
16
15
14
Refrigerant flow direction
for cooling
Nº.
1 Compressor
2 Heat exchanger
3 Double tube type heat exchanger
4 Oil separator
5 Accumulator
6 Strainer
7 Distributor
8 Reversing valve
9 Capillary tube
10 Micro computer control expansion valve
12
PMML0294A_rev.2_02-2014.indb 12
13
b φ22.0
c φ22.0
11
4
e φ15.88
12
19 6
S
HP
a φ25.4
h φ6.35
S
1
a φ25.4
h φ6.35
13 5
g φ9.52 g φ9.52
S
13 6 3
Refrigerant flow direction
Field refrigerant piping
for heating
Part
Mark
a
b
c
d 19.05 x 1.42
e 15.88 x 1.2
f
g
h 6.35 x 1.07
i
PMML0294A rev.2 - 07/2014
17 13
i φ6.35
e φ15.88
e φ15.88 e φ15.88
P
d φ19.05
S 6
S
b φ22.0
12 12
S S
S S
8
9
i φ6.35
i φ6.35
c φ22.0
S
i φ6.35
S
6 12 9
h φ6.35
i φ6.35
9
S
6
g φ9.52
i φ6.35
g φ9.52 g φ9.52
10
Flare connection
Nº.
11 Check valve
12 Solenoid valve
13 Check joint
14 Stop valve for liquid line
15 Stop valve for gas (low) line
16 Stop valve for gas (high/low) line
17 Sensor for refrigerant pressure (high pressure sensor)
18 Sensor for refrigerant pressure (low pressure sensor)
19 High pressure switch for protection
ODxT Material
25.4 x 1.2
22.0 x 1.5
22.0 x 1.2
C1220T-0
12.7 x 1.0
9.52 x 0.8
6.35 x 0.7
b φ22.0
8
f φ12.7
6 7
S
2
10
13
f φ12.7
18
P
i φ6.35
Brazing connection
Part
14/07/2014 12:28:04