31
E
n
g
li
sh
5
2
4
6
3
S
A
C
S
S
MECHANICAL EXPANSION
VALVE (STANDARD)
ELECTRONIC EXPANSION
VALVE (OPTIONAL)
3
4
BT
UNIT
CONTROL
EXV
CONTROL
7
SUCTION LINE
ST
F
E
H
D
G
8
B
I
1
OIL EQUAL.
AT
S
4
3
5
2
S
A
AT
S
B
S
MECHANICAL EXPANSION
VALVE (STANDARD)
ELECTRONIC EXPANSION
VALVE (OPTIONAL)
6
7
BT
UNIT
CONTROL
EXV
CONTROL
10
SUCTION LINE
ST
H
D
G
6
7
8
9
OIL EQUAL.
1
I
4
6
S
ON
5
2
S
A
S
B
8
8
8
8
MECHANICAL EXPANSION
VALVE (STANDARD)
E
F
3
G
H
7
C
D
ST
UNIT
CONTROL
EEV
CONTROL
BT
ELECTRONICAL EXPANSION
VALVE (OPTIONAL)
4
5
9
OIL EQUAL.
1
10
I
AT
S
7 - General Description (continued)
SAFETY / CONTROL DEVICES
A
High pressure switch (40.5 Bar)
B
Low pressure switch (2 Bar)
BT
Low pressure transducer
AT
High pressure transducer (optional)
S
5/16” Shrader connection (service only)
C
Water differential pressure switch
F
Inlet water temperature sensor
E
Outlet water temperature sensor
D
Water differential pressure switch
G
Inlet water temperature sensor
H
Outlet water temperature sensor
I
PED pressure valve (45 Bar)
Pipe connection with Schrader valve
SAFETY / CONTROL DEVICES
A
High pressure switch (40.5 Bar)
B
Low pressure switch (2 Bar)
AT
High pressure transducer (optional)
BT
Low pressure transducer
ST
Suction temperature probe
S
5/16” Shrader connection (service only)
D
Water differential pressure switch
G
Inlet water temperature sensor
H
Outlet water temperature sensor
I
PED pressure valve (45 Bar)
Pipe connection with Schrader valve
SAFETY / CONTROL DEVICES
A
High pressure switch (40.5 Bar)
B
Low pressure switch (2 Bar)
BT
Low pressure transducer
AT
High pressure transducer (optional)
S
5/16” Shrader connection (service only)
C
Water differential pressure switch
F
Inlet water temperature sensor
E
Outlet water temperature sensor
D
Water differential pressure switch
G
Inlet water temperature sensor
H
Outlet water temperature sensor
I
PED pressure relief valve (45 Bar)
Pipe connection with Schrader valve
COMPONENTS
1
Compressor
2
Condenser
3
Drier filter
4
Sight glass
5
Mechanical expansion valve
6
Evaporator
7
Electronic expansion valve
8
Desuperheater
COMPONENTS
1
Compressor
2
Globe valve
3
Globe valve
4
Liquid receiver
5
Solenoid valve
6
Drier filter
7
Sight glass
8
Mechanical expansion valve
9
Evaporator
10
Electronic expansion valve
COMPONENTS
1
Compressor
2
4 way valve
3
Condenser
4
Drier filter
5
Sight glass
6
Mechanical expansion valve
7
Evaporator
8
Check valve
9
Electronic expansion valve
10
Desuperheater
WQL 50 - 190 Refrigeration System
WQRC 50 - 190 Refrigeration System
WQH 50 - 190 Refrigeration System
