Refrigerant Cycle - Hitachi UTOPIA IVX PREMIUM Série Manuel D'installation Et De Fonctionnement

Refrigerant cycle

11 REFRIGERANT CYCLE
Example of RAS-4HVNPE:

B
A
7S138311
Example of RAS-4HVNCE:

B
A
7S136195
Refrigerant flow
or cooling
18
_PMML0251A_r2.indb 18
F
D
C
E
D
F
C
F
E
Refrigerant flow Connection by
for heating flare nut
PMML0251A rev.2 - 02/2013
Mark
1 Compressor
2 Heat exchanger
3 Accumulator
4 Receiver
5 Micro-computer control expansion valve
6 Reversing valve
7 Solenoid valve for gas bypass
8 Strainer
9 Distributor
10 Check joint
11 High pressure switch for protection
12 Sensor for refrigerant pressure
13 Stop valve for gas line
14 Stop valve for liquid line
15 Check valve
16 Silencer
17 Pressure switch for control
Mark
A Gas line refrigerant piping connection
B Liquid line refrigerant piping connection
C Outdoor unit
D Ambient thermistor
E Discharge gas thermistor
F Pipe thermistor
No.
1 Compressor
2 Heat exchanger
3 Accumulator
4 Micro-Computer control expansion valve
5 Reversing valve
6 Solenoid valve for gas bypass
7 Strainer
8 Distributor
9 Check joint
10 High pressure switch for protection
11 Pressure switch for control
12 Stop valve for gas line
13 Stop valve for liquid line
14 Silencer
R410A
Connection by
Gas refrigerant
welding
Part name
Part name
Part name
4.15 MPa
Leakage test
pressure
06/02/2013 9:04:56