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Page Title:
Table A-1. System Designator Codes |
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|  DOE-STD-1044-93
Table A-1. System Designator Codes
Arranged by System Name
Arranged by Designator
System Name
Code
Code
System Name
Air, Compressed
CA
CA
Air, Compressed
Air, Instrument
IA
DIW
Water, Deionized
Electrical, Low-Voltage
ELLV
DW
Water, Domestic
(#240V)
ELLV
Electrical, Low-Voltage
(#240V)
Electrical, Medium-Voltage
(>240V, #4.16kV)
ELMV
ELMV
Electrical, Medium-Voltage
(>240V, #4.16kV)
Fire Protection
FPS
Heating, Ventilation, and Air
FPS
Fire Protection
Conditioning
HVAC
HPS
Steam, High Pressure
Steam, Heating
HTS
HTS
Steam, Heating
Steam, High Pressure
HPS
HVAC
Heating, Ventilation, and Air
Waste, Process Liquid
LPW
Conditioning
Waste, Sanitary
SWR
IA
Air, Instrument
Water, Deionized
DIW
LPW
Waste, Process Liquid
Water, Domestic
DW
SWR
Waste, Sanitary
Table A-2. Component Function Codes
Arranged by Code
Arranged by Component Function
Component Function
Code
Code
Component Function
Air Handler
AHU
AHU
Air Handler
Annunciator
ANN
ANN
Annunciator
Circuit Breaker
CB
AOV
Valve, Air-Operated
CMP
CB
Circuit Breaker
COND
CMP
Damper
DMP
COND
Heat Exchanger
HX
DMP
Damper
Indicator, Current (Electric)
II
EI
Indicator, Voltage
Indicator, Flow
FI
FI
Indicator, Flow
Indicator, Voltage
EI
HX
Heat Exchanger
Motor Control Center
MCC
II
Indicator, Current (Electric)
Pump
PMP
MCC
Motor Control Center
XFMR
MOV
Valve, Motor-Operated
Valve, Air-Operated
AOV
PMP
Pump
Valve, Motor-Operated
MOV
XFMR
A-4
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