Navien NHB H Series, Инструкция по установке и эксплуатации

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113 Operating the Boiler
Item Description
26. Service Notif
Time
Set the time for service
notification.
●
Setting range: 30 –
3650 days (10 years)
●
It can be set in 10 day
increments.
●
Default: 1820 days (5
years)
27. Service Notif Cycl
Set the service
notification according to
the operating times.
●
Setting range: 300 –
36500 cycles
●
It can be set in 100
cycle increments.
●
Default: 18200 cycles
28. Service contact # View the service contact
information.
29. Factory Reset
Initialize all parameter
settings (panel and main
controller) to factory
default.
30. P/W Change
Change the parameter
setting password.
Rotate the Command dial
( ) to change numbers
and places, and press the
Command dial ( ) to
save the new password.
Note
●
If you enter an incorrect password 10
times or make no inputs 5 minutes,
the boiler will return to Normal mode.
●
To return to the previous mode, press
the Reset button.
●
The Factory default password is “1234”.
●
If you make no inputs for 10 seconds
in the Parameter Edit mode, the
current parameter value will be saved
automatically.
●
Press and hold the Back button ( )
in Parameter Edit mode for 5 seconds
to reset individual parameters to their
default values.
●
When you reset one of the following
parameters, the corresponding
parameter will be reset automatically:
- Supply Min or Max capacity limit
- Return Min or Max capacity limit
Item Description
18. Boiler pump
Oper(DHW)
Turn on or turn off the
boiler pump in DHW
mode.
●
Setting range: On/Off
●
Default: Off
19. Sys pump
Oper(DHW)
Turn on or turn off the
system pump in DHW
mode.
●
Setting range: On/Off
●
Default: Off
20. Zone2 pump
Oper(DHW)
Turn on or turn off Zone 2
pump in DHW mode.
●
Setting range: On/Off
●
Default: Off
21. DHW pump
Oper(DHW pri)
Turn on or turn off the
DHW pump in DHW
mode when both the
space heating and DHW
demands are present.
●
Setting range: On/Off
●
Default: On
22. Boiler Pump
Delay**
Set the space heating
pump over-run time.
●
Setting range: 3 – 40 min
●
Default: 40 min
23. DHW Demand
On Diff
When the DHW
temperature sensor is
used:
●
Setting range: 0–10°C
(0–18°F)
●
Default: 3°C (5°F)
24. DHW Demand
Off Diff
When the DHW
temperature sensor is
used:
●
Setting range: 0–5°C
(0–9°F)
●
Default: 0°C (0°F)
25. HEX Protection
Level
Set the heat exchanger’s
protection level.
●
Setting range: 0–5 Level
●
Default: 4 Level
Note
The HEX
Protection Level
Settings only
applies to the
NHB-H boilers.