Navien NCB-180 Service Manual page 46

Item
(E) Flow rate
(F) Outdoor air temperature
(with optional Outdoor
Temperature Sensor only)
(G) Outdoor reset curve
(H) Boost interval time
(Set by installer)
(I) Water pressure
Description
Display of the current flow rate
Minimum display unit
(0.2 Gal/min or l/min)
Display of current outdoor temperature
Display of heat load (1~7)
Display of boost interval set
(0~120 min)
Display of current water pressure
Display
Using sensor
GPM flow rate display
ex) 10.2GPM
Outdoor Temperature display for Celsius (℃) mode
with optional sensor,
ex) at 15℃
Outdoor Temperature display for Fahrenheit (℉)
mode with optional sensor, ex) at 59℉
If Finned Tube Baseboard is set;
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)
If Outdoor Reset is not used;
If Boost interval time is set at 30 minutes;
Using sensor in psi
ex) 12.3 psi