33
JOHNSON CONTROLS
FORM 150.72-NM3 (1020)
ISSUE DATE 10/05/2020
SECTION 2 – PRODUCT DESCRIPTION
2
PRODUCT IDENTIFICATION NUMBER (PIN) (CON’T)
2 OR 3 COMPRESSORS PER SYSTEM
OIL EQUALIZING
LINE
AIR COOLED CONDENSERS
DX COOLER
LEAVING CHILLED WATER
ENTERING CHILLED WATER
OPTIONAL
SERVICE VALVE
OPTIONAL DISCHARGE
PRESSURE TRANSDUCER
HIGH PRESSURE
CUTOUT SWITCH
OPTIONAL
SERVICE
VALVE
LOW PRESSURE SWITCH OR
SUCTION PRESSURE TRANSDUCER
LEAVING
CHILLED WATER
TEMP. SENSOR
RETURN WATER
TEMP. SENSOR
OPTIONAL
DISCHARGE LINE
BALL VALVE
HOT DISCHARGE
GAS LINE
LIQUID LINE
SERVICE VALVE
LIQUID LINE FILTER / DRIER
LIQUID LINE
SOLENOID VALVE
SIGHT GLASS /
MOISTURE INDICATOR
SOLENOID OPERATED
HOT GAS BY PASS VALVE
*
OPTIONAL
SUCTION LINE
BALL VALVE
EQUALIZER
LINE
TXV
OPTIONAL
RELIEF VALVE
YLAA REFRIGERANT FLOW DIAGRAM
(INCLUDING TEMPERATURE SENSORS & PRESSURE TRANSDUCERS)
* HOT GAS OPTION - SYSTEM 1 ONLY
FIG. 5 – REFRIGERANT FLOW DIAGRAM
LD13138A
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