Air cooled water chillers and heat pumps
with radial fans
IDRA - RSC Series
Use, installation and maintenance manual
24
GB
REFRIGERATION CIRCUIT DIAGRAMS
_
.
$
1"
1#
7$
7$
#$
7-
'
7&
&7
1%
$*3$6*50'3*(03*'&30'
1"
1#
7$
7$
#$
7-
'
7&
&7
7&
72
/3
/3
-3
1%
_
.
$
*-
"/
$*3$6*50'3*(03*'&30)
KEY
C = compressor
F = drier-fi lter
RL = liquid shut-off valve
PA = high pressure switch
IL = sight glass
LR = liquid receiver
PB = high pressure switch
VL = fans
NR = non return valve
VC = refrigerant service connections
VE = expansion valve
VQ = 4-way valve
BC = condensing coil
AN = antivibration pipe
PD = fl ow switch
EV = evaporator
.
F version circuit
H version circuit