Navien NFB-175H, Руководство пользователя

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13 Operating the Boiler
Item Description
22. Outdoor Reset
Curve
Outdoor reset curve load
type (displayed when the
outdoor reset option “21.
Outdoor Reset” is enabled)
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)
23. Boost Interval
Time
Boost interval set time
(min)
24. High Altitude
Sea Level (0–2,000 ft)
Level 1 (2,000–5,400 ft)
Level 2 (5,400–7,700 ft)
Level 3 (7,700–10,100 ft)
25. Model Model type
26. Gas Fuel type (NG/LPG)
27. Main F/W Ver Main firmware version
28. Panel F/W Ver
Controller panel firmware
version
3.4 Resetting the Boiler
If an error message appears during boiler operation,
reset the boiler to resolve the problem. Press the
Back button ( ) on the front panel to reset the
boiler.
If resetting the boiler does not solve the problem,
refer to the Troubleshooting section of this manual
or contact Technical Support at 1-800-519-8794.
Item Description
5. AHU SH Set Temp
Note
Use with iFlow Air
Handlers Only.
AHU Space Heating Set
Temperature (°F)
●
If AHU is not connected,
“--” will be displayed.
●
The temperature is
displayed by 1 degree
increments for Fahrenheit
and by 0.5 degree
increments for Celsius.
This is due to the degree
control specifications of
0.5 degree for the AHU
communication type.
6. Supply Temp
Heating supply
temperature (°F)
7. Return Temp
Boiler return temperature
(°F)
8. Sys Supply Temp
System supply
temperature (°F)
9. Sys Return Temp
System return
temperature (°F)
10. Outdoor Temp Outdoor temperature (°F)
11. Approx. Boiler
Flow
Flow rate (GPM)
12. DHW Tank set
Temp
DHW Tank set temperature
(°F)
13. Tank Sensor
Temp
DHW indirect tank
temperature (°F)
14. Water Press Water pressure (psi)
15. Flame Value
Flame detector AD value
●
Flame On: 8bit AD
values equal to or lower
than 70
●
Flame Off: 8bit AD
values equal to or
higher than 175
16. Fan Target RPM Set fan speed (RPM)
17. Fan Current RPM Fan speed (RPM)
18. Fan Target APS Set APS voltage (V)
19. Fan Current APS APS voltage (V)
20. Exhaust Temp Exhaust temperature (°F)
21. Outdoor Reset
Outdoor reset status
(Enable / Disable)