IOM SYSCREW AIR EVO HSE

43
English
Refrigerant flow diagram - Unit 440-590-660 TR
7 - Product Description (continued)
G
G
AF
3
5
4
S
5
12
S
H
D
2
G
BT
B
H
10
AT
A
A
5
S
M 9
8
L
12
UNIT
CONTROL
EEV
CONTROL
11
CIRCUIT 2
INVERTER
CIRCUIT 1
STEP+ECO
ON
1B
11 11
S
H
D
3
4
5
6
13
G
12
ON
7
2
5
EEV
CONTROL
UNIT
CONTROL
F
E
C
AF
AT
A
A
55
B
BT
1A
H
10
S
M
8 9
11
5
12
G
G
20
22
23
24
21
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
20 Solenoid valve (ECO)
21 Thermostatic expansion valve (ECO)
22 Heat exchanger (Phetype) (ECO)
23 Non return valve (ECO)
24 Sight glass (ECO)