SYSTEMP – Installation Operation Manual (IOM SYSTEMP rev.N)

Table Of Contents
75
10.12 COOLING CIRCUIT WITH FREE COOLING AND SINGLE COMPRESSOR
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