Airwell SLH 1402 [5/40] Refrigerant flow diagram

Airwell SLH 2402 [5/40] Refrigerant flow diagram
Page 5
Components :
1) Screw compressor
2) Flexible pipe
3) Muffler
4) Reverse cycle 4-way valve
5) Liquid valve
6) Safety valve
7) Condenser coil
8) Non-return valve
9) Filter-drier
10) Sight glass
11) Thermostatic expansion valve
12) Solenoid valve
Note : each unit has 2 or 4 refrigerant circuits according to the models. For reasons of readability, one circuit only is shown.
13) Plate heat exchanger (evaporator)
14) Liquid separator
15) Thermostat
16) Oil cooler
17) Desuperheater (optional)
18) Safety valve
Safety devices :
Pump down points
V
Pressure tapping and refrigerant
charging/discharging points
Refrigerant Flow Diagram
Transducer
A
B
D
High pressure switch
Water differential pressure switch
D
T
P3
C
P1
A
P2
A
P4
C
V V
V
1
23
4
6
9
8
8
8
8
9
10
14
7
14
5
5
11
12
13
12
11
16
15
17
H2O
H2O
ON
18
8

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