JOHNSON CONTROLS
27
SECTION 2 – PRODUCT DESCRIPTION
FORM 150.73-NM1
ISSUE DATE: 09/04/2020
2
REFRIGERANT FLOW DIAGRAM
2 OR 3 C
OMPRESSORS PER SY
STEM
OIL EQU
ALIZING
LINE
AIR C
OOLED C
ONDENSERS
SER
VICE V
AL
VE
OPTIONAL DISCHAR
GE
PRESSURE TR
ANSDUCER
HIGH PRESSURE CUT
OUT SWIT
CH
LOW PRESSURE SWIT
CH OR
SUC
TION
PRESSURE TR
ANSDUCER
LIQUID LINE SER
VICE V
AL
VE
LIQUID LINE SOLENOID V
AL
VE
**
TXV
SIGHT GLASS / MOISTURE INDIC
AT
OR
SOLENOID OPER
ATED
HO
T GAS B
YP
ASS
VAL
VE
*
YCU
A REFRIGER
ANT FL
OW DIA
GR
A
M
NO
TE:
YCU
A0078-0158 HA
VE
TWO REFRIGER
ANT SY
STEMS
* HO
T GAS OPTION - SY
STEM 1 ONL
Y
LIQUID LINE FIL
TER DRIER
D
X C
OIL
AIR FL
OW
DISCHAR
GE AIR
TEMPER
ATURE SENSOR
OPTIONAL SUC
TION
TEMP SENSOR
FA
C
TOR
Y PIPING
FIELD PIPING
T
T
**One
TX
V and Liquid Line S
olenoid sho
wn f
or illustr
ation pur
poses
. A
ctual r
efr
iger
an
t piping ma
y v
ar
y depending on ev
apor
at
or cir
cuiting
.
(OPTIONAL)
SER
VICE
VAL
VE
(OPTIONAL)
LD04284A
FIGURE 5 -
REFRIGERANT FLOW DIAGRAM
Summary of Contents for YLUA0078
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