Navien NHB-055 Service Manual page 46

Item
(3) DHW set temperature.
(4) Boiler Pump
(5) System Pump
(6) DHW Pump
(7) Indicating current
overheating sensing
status.
46 NHB Service Manual
Description
Indicating current DHW set
temperature.
Indicating current Boiler Pump
status.
Indicating current System Pump
status.
Indicating current DHW Pump
status.
Indicating current overheating
sensing status.
For Celsius (°C) mode;
ex) at 60°C
For Fahrenheit (°F) mode;
ex) 120°F
In case of Boiler Pump Off.
In case of Boiler Pump On.
In case of System Pump Off
In case of System Pump On.
In case of DHW Pump Off.
In case of DHW Pump On.
In case of HTL Off.
In case of HTL On.
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