IOM SYSCREW AIR EVO HSE

39
English
7 - Product Description (continued)
Refrigerant flow diagram - Unit 380-510 CO
SAFETY / CONTROL DEVICES
A High pressure switch
AT High pressure transducer
B Low pressure switch
BT Low pressure transducer
S 5/16” Shrader connection
D Air temperature sensor
E Outlet water temperature sensor
F Inlet water temperature sensor
G PED pressure relief valve HP side
H PED pressure relief valve LP side
M Discharge temperature sensor
AF Access fitting SAE FLARE 3/8”
L Oil level switch
Pressure Pipe connection with Shrader valve
COMPONENTS
1A Compressor (Screw Step type)
1B Compressor (Screw Inverter type)
2 Air cooled condenser
3 Filter drier
4 Electronic expansion valve
5 Globe valve
6 Heat exchanger (Shell & Tube Type)
7 Desuperheater (Optional)
8 Muffler (Optional)
9 Anti-vibration pipe (Optional)
10 Suction compressor valve (Optional)
11 Suction accumulator (only BC version)
2
3
4
5
6
BT
E
F
EEV
CONTROL
UNIT
CONTROL
B
1A
10
55
A
7
9 8
A
AT
M
S
S
11
5
D
G
H
AF
CIRCUIT 1
STEP
EEV
CONTROL
UNIT
CONTROL
D
2
G
1B
7
A
A
AT
5
CIRCUIT 2
INVERTER
S
M
9
8
10
AF
4
5
3
5
H
11
B
BT
S
L