©Navien America Inc. 2010CH series service Manual
9
Version 1.0
Abbreviation and definition
Abbreviation Description of changes
CH
NG
LP
AP
APS
DHW
FM
GARC
GPM
GPS
GV
MGV
MV
SGV
RPM
PCB
EMI
HTL
General name of CH-180, CH-210, and CH-240 and CH-240 ASME
Natural Gas
Liquid Gas
Air Pressure
Air Pressure Sensor
Domestic Hot Water
Fan Motor
Gas Air Ratio Control
Gallon per Minute
Gas Pressure Sensor
Gas Valve : Main and Solenoid
Main Gas Valve
Modulating Valve
Solenoid Gas Valve
Round per Minute
Printed Circuit Board
Electromagnetic Interface
High Temperature Limiter