Navien NCB-150E Service Manual page 10

Abbreviations and Definitions
Abbreviation
NCB-E
NG
LP
AP
APS
DHW
FM
GARC
GPM
MGV
RPM
PCB
EMI
HTL
LWCO
Definition
General name of NCB-180E, NCB-210E, and NCB-240E
Natural Gas
Propane Gas
Air Pressure
Air Pressure Sensor
Domestic Hot Water
Fan Motor
Gas Air Ratio Control
Gallons Per Minute
Main Gas Valve
Revolutions Per Minute
Printed Circuit Board
Electromagnetic Interface
High Temperature Limiter
Low Water Cut Off
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