Viewing Service Information - Navien NHB-055 Installation & Operation Manual

Display
Space heating water pressure in PSI
S R O/R psi
DHW priority time
S R O/R psi
System supply water temperature
(°F) (with optional temperature
sensor)
S R O/R psi
System return water temperature
(°F) (with optional temperature
sensor)
S R O/R psi

11.4 Viewing Service Information

To view the servidce information, press the Diagnostics button.
Press the + (Up) or – (Down) buttons to switch between the
information types.
Display
Space heating supply water
temperature (°F)
S R O/R psi
Description
MODE O O
Description
Display
Space heating return water
temperature (°F)
S R O/R psi
Not Available
S R O/R psi
Not Available
S R O/R psi
Not Available
S R O/R psi
Outdoor air temperature (°F)
(from Outdoor Temperature Sensor)
S psi
R O/R
Outdoor reset curve (load type)
-: Not in use.
1: Finned tube baseboard
2: FAN coil
3: Cast iron baseboard
4: Low mass radiant
S R O/R psi
5: High mass radiant
6: Radiator
7: Custom (set by installer)
Boost interval time in minutes (set
by installer)
S R O/R psi
Space heating water pressure in PSI
S R O/R psi
Heat capacity
S R O/R psi
Flame detector AD reading (0-255)
psi
S
R O/R
Description
Operating the Boiler 75