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9
P&I DIAGRAM
Models 4, 6, 7.5 and 10
AI
R
INLE
T
AI
R
OUTLE
T
PR
OCESS GA
S
SY
STEM
REFRIGER
A
T
IO
N
SY
STEM
LO
W
PRESSURE
SIDE
HIGH
PRESSURE
SIDE
IN
TEMP
(OPTIONAL)
SER
VICE
V
AL
VE
/
MANU
AL
DRAI
N
AU
TO
MA
TIC
ELECTRI
C
DRAI
N
CONDENS
AT
E
DRAI
N
CARTRIDG
E
TY
PE
MOISTURE SEP
AR
AT
OR
AIR–AI
R
HEA
T
EX
CHANGER
PRE–
CO
OLER
REHEA
TER
EV
APOR
AT
OR
HE
AT
EX
CHANGE
R
SE
T
#4
(USED
ON
MODE
L
10
)
CARTRIDG
E
TY
PE
MOISTURE SEP
AR
AT
OR
CARTRIDG
E
TY
PE
MOISTURE SEP
AR
AT
OR
CARTRIDG
E
TY
PE
MOISTURE SEP
AR
AT
OR
SER
VICE
V
AL
VE
/
MANU
AL
DRAI
N
SER
VICE
V
AL
VE
/
MANU
AL
DRAI
N
SER
VICE
V
AL
VE
/
MANU
AL
DRAI
N
AU
TO
MA
TIC
ELECTRI
C
DRAI
N
AU
TO
MA
TIC
ELECTRI
C
DRAI
N
AU
TO
MA
TIC
ELECTRI
C
DRAI
N
CONDENS
AT
E
DRAI
N
CONDENS
AT
E
DRAI
N
CONDENS
AT
E
DRAI
N
AIR–AI
R
HEA
T
EX
CHANGER
PRE–
CO
OLER
REHEA
TER
AIR–AI
R
HEA
T
EX
CHANGER
PRE–
CO
OLER
REHEA
TER
AIR–AI
R
HEA
T
EX
CHANGER
PRE–
CO
OLER
REHEA
TER
EV
APOR
AT
OR
EV
APOR
AT
OR
EV
APOR
AT
OR
HE
AT
EX
CHANGE
R
SE
T
#3
(USED
ON
MODELS
7.5–10)
HE
AT
EX
CHANGE
R
SE
T
#2
HE
AT
EX
CHANGE
R
SE
T
#1
HIGH
TEMPERA
TURE
SWIT
CH
(OPTIONAL)
OUT
PRESSURE (OPTIONAL)
DISTRIBUT
OR
THERMO–EXP
ANSION
V
AL
VE
LIQUID
INJECTION
V
AL
VE
SIGHT
GLAS
S
SIGHT
GLAS
S
FI
LT
ER / DR
YE
R
LIQUID
SHUT–OFF
VA
LV
E
RECEIVER
AI
R
CO
OLED
C
ONDENSE
R
(S
TA
NDARD)
DISCHARGE PRESSURE GA
UG
E
(OPTIONAL
)
W
ATE
R
CO
OLED
CO
NDENSER
(OPTIONAL
)
CO
OLING
W
ATE
R
(OU
T)
CO
OLING
W
ATE
R
(IN)
CO
OLING
W
ATE
R
CO
OLING
W
ATE
R
REGULA
TING
V
AL
VE
STRAINER
OPTIONA
L
W
ATE
R
CO
OLED
CO
NDENSER
DE
TA
IL
HO
T
GA
S
BY–P
AS
S
VA
LV
E
HO
T
GA
S
SHUT–OFF
V
AL
VE
LO
W
PRESSUR
E
SWIT
CH
HIGH PRESSURE SWIT
CH
FA
N
SWIT
CH
(AIR
C
O
OLED
UNIT
S
ON
LY
)
FA
N
SWIT
CH
(AIR
C
O
OLED
UNIT
S
ON
LY
)
AC
CESS
FI
TT
IN
G
AC
CESS
FI
TT
IN
G
SE
RV
IC
E
DISCHARGE
VA
LV
E
CO
MPRESSO
R
AC
CESS
FIT
TING
SE
RV
IC
E
SUCTIO
N
VA
LV
E
AC
CUMULA
TO
R
SUCTION FIL
TER
CRAN
KC
AS
E
HEA
TE
R
PRESSURE
RELIE
F
VA
LV
E
SUCTIO
N
PRESSURE GA
UGE
(OPTIONAL)