Viewing Basic Information (For Homeowner) - Navien NHB-055 Service Manual

4.4.8 Viewing Basic Information (For Homeowner)

To view information about the boiler, press the [Mode] button three times. "INFO" will appear in the display.
Press the [+] or [–] buttons to switch between the information types.
Item
(A) Space heating supply water
temperature
(B) Space heating return water
temperature
(F) Outdoor air temperature
(with optional Outdoor
Temperature Sensor only)
(G) Outdoor reset curve
(H) Boost interval time
(Set by installer)
38 NHB Service Manual
Description
Display of the current space heating
outgoing water temperature
Display of the current space heating
incoming water temperature
Display of current outdoor
temperature
Display of heat load (1~7)
1 : Finned Tube Baseboard
2 : FAN Coil
3 : Cast Iron Baseboard
4 : Low Mass Radiant
5 : High Mass Radiant
6 : Radiator
7 : Custom (set by installer)
Display of boost interval set
(0~120 min)
Display
For Celsius (°C) mode; ex) at 60°C
For Fahrenheit (°F) mode; ex) 120°F
For Celsius (°C) mode; ex) at 60°C
For Fahrenheit (°F) mode; ex) 120°F
Outdoor Temperature display for Celsius (°C) mode with
optional sensor,
ex) at 15°C
Outdoor Temperature display for Fahrenheit (°F) mode
with optional sensor, ex) at 59°F
If Finned Tube Baseboard is set;
If Outdoor Reset is not used;
If Boost interval time is set at 30 minutes;
Version 1.0