IOM SYSCREW AIR EVO HSE

42
Refrigerant flow diagram - Unit 380-510 TR
7 - Product Description (continued)
G
G
12
5
11
9 8
M
S
10
H
1A
BT
B
55
A
A
AT
AF
C
E
F
UNIT
CONTROL
EEV
CONTROL
5
2
7
ON
12
G
13
6
5
4
3
D
H
S
S
1111
1B
ON
CIRCUIT 1
STEP
CIRCUIT 2
INVERTER
11
EEV
CONTROL
UNIT
CONTROL
12
L
8 9 M
S
5
A
A
AT
10
H
B
BT
G
2
D
H
S
12
5
S
4
5
3
AF
G
G
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 Heat recover (Shell & Tube Type)
8 Muffler (Optional)
9 Anti-vibration pipe (Optional)
10 Suction compressor valve (Optional)
11 Liquid receiver
12 Check valve
13 4-way valve