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11
VU
VU
VU
VU
FD
VS2
VIC
VT2
VSI
VS1
VT1
BAT
AL
SEP
FM
PD
SIW
QE
SF
*
*
GR
SA
RS
RITORNO
UTILIZZO
CARICAMENT
O
SURR.
SOTTORAFF.
VSA
VE
SUW
VU
VU
VU
VU
FD
VS2
VIC
VT2
VSI
VS1
VT1
BAT
AL
SEP
FM
PD
SIW
QE
SF
*
*
*
*
*
GR
SA
RS
RITORNO
UTILIZZO
CARICAMENT
O
SURR.
SOTTORAFF.
VSA
VE
SUW
ANR (H)
ANR (HP)
KEY
SC: exchanger
VSA: water safety valve
VaS: ball valve
SF: drain
SD: antifreeze sensor
RS : discharge tap
SIW:water temperature control input
sensor
SUW:water temperature control output
sensor
QE: electric panel/modu control
PD: differential pressure switch
NB:
* GR: filling unit, pump accumulation,
expansion tank and safety valve
not provided, but elements recom-
mended
Elements inside the machine
KEY
CP: compressor
VU: one-way valve
VT: thermostatic valve
VS: solenoid valve
VIC: cycle reversing valve
BAT: Coil
FD: filter-drier
AL: liquid accumulation
SEP: liquid separator
V: fan
SC: exchanger
VE: expansion tank
VSA: water safety valve
VaS: ball valve
SF: drain
SD: antifreeze sensor
RS : discharge tap
SIW: water temperature control input
sensor
SUW:water temperature control output
sensor
QE: electric panel/modu control
PD: differential pressure switch
NB:
* GR:filling unit and accumulation not
provided, but elements recommen-
ded
Elements inside the machine
3.4 CHILLER CIRCUIT