GGNS System Codes Flashcards
B13
Nuclear Boiler (Reactor)
B21
Vessel Instrumentation
B33
Reactor Recirculation
C11
Control Rod Drive
C34
Feedwater Level Control
C41
Standby Liquid Control (SLC)
C51
Neutron Monitoring
C61
Remote Shutdown Panel
C71
Reactor Protection Sys
D17
Area Radiation Monitoring
D21
Process Radiation Monitoring
E12
Residual Heat Removal
E21
Low Presure Core Spray (LPCS)
E22
High Pressure Core Spray (HPCS)
E30
Suppression Pool M/U
E31
Leak Detection
E32
MSIV Leak Control
E38
Feedwater Leak Control
E51
Reactor Coolant Injection Control
E61
Combustible Gas Control
G17
Liquid Radwaste
G18
Solid Radwaste
G33
Reactor Water CleanUp (RWCS)
G36
Reactor Water CleanUp Filter/Demin
G41
Fuel Pool Cooling & CleanUp
G46
Fuel Pool Cooling & CleanUp Filter/Demin
L11
ESF 125VDC Battery
L20
24 VDC Power Supply
L21
125 VDC BOP Battery
L22
250 VDC BOP Battery
L50
24 VDC Battery Chargers
L51
125 VDC Battery Chargers
L62
120/240 VAC Interver
M41
CTMT / CTMT Cooling
M51
Drywell Cooloing
M71
CTMT Isolation
N11
Main Steam
N19
Condensate
N21
Feedwater
N22
Condensate Clean Up (Precoats)
N23
Heater Vents & Drains
N30
Turbine
N31
Turbine Auxillaries
N32
EHC
N33
Seal Steam
N34
Lube Oil
N35
MSR Vents & Drains
N36
Extraction Steam
N37
Turbine Bypass
N41
Main Generator
N42
Seal Oil
N43
Generator Cooling
N44
Generator Gas
N51
Excitation
N62
Condensor Air Removal
N64
Offgas
N65
Offgas Regfrigeration
N71
Circulating Water
P11
Condensate & RF Water Storage
P21
Make Up Water
P33
Process Sampling System
P41
Standby Service Water (SSW)
P42
Component Cooling Water
P43
Turbine Bldg Cooling Water
P44
Plant Service Water
P45
Floor & Equipment Drains
P47
Radial Wells
P51
Plant Air
P52
Service Air
P53
Instrument Air
P60
Suppression Pool CleanUp
P64
Fire Protection
P65
Fire Dectection
P66
Domestic and Construction Water
P71
Plant Chilled Water
P72
Drywell Chillers
P75
Division I & II EDGs
P81
Division III EDG (HPCS)
R11
4.16 kV Transformers
R12
6.9 kV Transformers
R13
13.8 kV Transformers
R14
Main 22kV S/U Transformers
R15
34.5 kV Transformers
R18
120/208 VAC Distribution
R20
480 VAC Distribution
R21
4.17 kV Switchgear & Load Shed Seq (LSS)
R24
22kV Gen Isophase Ventilation
R27
500 kV Circuit Breaker & SWYD
R63
Electrical Heat Tracing
T41
Aux Bldg Ventilation
T42
Fuel Handling Area Ventilation
T46
ESF Switchgear Cooling
T48
Standby Gas Treatment
T51
Emerg Pump Room Ventilation
U41
Turbine Bldg Ventilation
V41
Radwaste Bldg Ventilation
W20
Cooling Tower
X77
EDG Bldg Ventilation
Y47
SSW Pumphouse Ventilation
Z17
Control Bldg Ventilation
Z51
Control Room Ventilation
Z77
Emerg Switchgear & Battery