SYSTEMP Engineering Data Manual (EDM SYSTEMP S 7GB)

Technical data
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3737
The following image represents the cooling circuit of the free cooling units with single compressor.
Cooling circuit:
Liquid line (HP: PS 41 Bar - TS 64 °C):
A Water-cooled condenser
B LAC valve for controlling condensation
pressure
C Pressure intake SAE 5/16” male are
D Liquid temperature probe
E Liquid receiver
F Dehydrator lter with liquid sight glass
G Electronic expansion valve
Suction line (LP: PS 22 Bar - TS 38 °C):
H Pressure intake SAE 5/16” male are
(for refrigerant charging)
I Direct expansion coil
J Fan
K Evaporation pressure probe
L Suction temperature probe
M Antifreeze hot gas injection valve
Hot gas line (HP: PS 41 Bar - TS 64 °C):
N Compressor
O Discharge temperature probe
P High pressure switch with manual reset
(41 Bar)
Q Condensation pressure probe
R Pressure intake SAE 5/16” male are
* DC inverter compressor (accessory)
Water circuit:
a Water inlet
b Inlet water temperature
c Manual air vent valves
d Chilled water coil
e 3-way ball valve
f Water outlet
c
a
f
e
b
c
d
c
c
R
F
H
D
B
J
I
K
G
H
Q
L
C
A
P
N
O
M
E
Cooling circuit with free cooling and single compressor