Carrier 30XA080-500 Controls, Start-Up, Operation, Service And Troubleshooting Instructions page 60

Air-cooled liquid chillers
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ACCESS
FITTING
DISCHARGE
GAS
HERMISTOR
OIL PRESSURE
SUCTION
TRANSDUCER
TEMPERATURE
LOCATION
SENSOR1
SENSOR2
HPS,
DISCHARGE
GAS
TEMPERATURE
SENSOR
LOCATION
SOLENOID
SOLENOID
2
Enerqiz_
Energized
NO FLOW
FLOW
Valve
#2 (NO)
Val_
#1 (NC)
FULLY
LOADED
OPERATION
C_mpression
Proces_
_2o_,_,_0_o
x
High Pressure
Oil
D_energized
De energized
FLOW
NO FLOW
Valve #2 (NO)
Valve #1 (NC)
FULLY
UNLOADED
OPERATION
Fig. 33 -- Typical 06T Compressor
Bleed Line to Low Pressure
Suction
I
High Pressure
Oil
Ene_izud
De-energized
NO FLOW
NO FLOW
Valve #2 (NO)
V_ve#1
(NC)
MAINTAIN
POSITION
HIGH
PRESSURE
TRANSDUCER
OIL
OIL
PRESSURE
TRANSDUCER
OIL
SOLENOID
VALVE
CHECK
VALVE
o
oo
o
oo
Fig. 34 -- Typical Oil System
OIL
SEPARATOR
HEATER
OM)
OIL LEVEL
SWITCH
(BOqq-OM)
60

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