Table 6: Legend for system piping and instrumentation diagram for YVAM Mod A design
Device Description
PUMP-1 Coolant pump, VSD
PUMP-2 Coolant pump, power panel
QDDB-1 Quick disconnect dry break, power panel on coolant
QDDB-2 Quick disconnect dry break, power panel off coolant
SG-1 Evaporator sight glass
SST-1 Educator strainer
SST-2 Motor cooling liquid supply strainer
SV-1 Discharge service valve, condenser section 1
SV-2 Discharge service valve, condenser section 2
TE-1 Evaporator water on thermistor
TE-2 Evaporator water off thermistor
TE-3 Discharge line temperature sensor, OptiView
TE-4 Motor housing temperature thermistor
TE-5 Evaporator refrigerant temperature thermistor
TE-6 Condenser liquid line temperature thermistor
V-1 Ball valve, evaporator water on VSD cooling
V-2 Ball valve, evaporator water off VSD cooling
V-3 Ball valve, VSD cooling glycol valve
V-4 Angle valve, power panel coolant
V-5 Angle valve, evaporator pressure sensor
V-7 Educator motive solenoid valve
V-9 Discharge isolation valve, condenser section 1
V-10 Discharge isolation valve, condenser section 2
V-11 Service valve, discharge line pressure sensor
V-12 Condenser liquid line service angle valve
V-13 Condenser liquid line service isolation valve, condenser section 1
V-14 Condenser liquid line service isolation valve, condenser section 2
V-15 Condenser liquid line service valve, condenser section 1
V-16 Condenser liquid line service valve, condenser section 2
V-17 Condenser liquid line pressure transducer isolation valve
V-18 Compressor motor cooling isolation valve 1
V-19 Compressor motor cooling isolation valve 2
V-20 Angle valve, suction sensor pressure
V-21 Ball valve, chiller discharge pipe
V-22 Ball valve, evaporator refrigerant inlet
YVAM with OptiView Control Center24
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