Navien NCB300-28K, Руководство по установке и эксплуатации

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Operating the Boiler 55
Item Description
18. WWSD On Diff
Set the differential temperature
to deactivate the Warm
Weather Shutdown.
●
Setting range: 1°C – 20°C
●
Default: 3°C
19. CH Heat Demand
Set the CH heat demand
control type.
1. Navien thermostat
2. panel
3. Opentherm
4. CH Thermostat
5. Switched Live
20. Supply Boost Time
Set the time that the
burner(CH) boost supply set
temperature.
21. Flow Detection Delay
Time
Set the time that delays flow
detection sequence.
22. Gas Use Compensation
setting
Adjust the gas usage estimates
to improve accuracy.
23. Parameter All Clear
All parameter setting to factory
default.
24. P/W Change
Change the parameter setting
password.
Press the Plus button
( ) or the Minus button ( )
to change numbers and places,
and press the ECO button ( )
to save the new password.
* When the boiler is connected to an outdoor temperature sensor
(optional), functioning may be activated according to outdoor
temperature conditions and K-factor values using the parameters.
10.7.2 Diagnosing the Boiler System
To Set the boiler’s operation parameters, press the ECO button
( ) and Menu button ( ) simultaneously 5 seconds, and
then select “2. TST”
5sec
Press the Plus button ( ) or the Minus button ( ) to switch
between the test procedures. Press the ECO button ( ) to run
a test procedure.
Note
During the test mode, the boiler stops combustion.
Item Description
7. Boiler Pump Delay
Set the boiler pump off delay
time.
●
Setting range: 30 – 40 min
●
Default: 40 min
8. CH Min Limit
Set the central heating
minimum heat capacity limit.
●
Setting range: Central heating
minimum capacity (%) –
[central heating minimum
capacity limit-20] %
●
Default: Boiler’s minimum
heat capacity
9. CH Max Limit
Set the central heating
maximum heat capacity limit.
●
Setting range: (Central
heating minimum capacity
limit + 20) % – 100%
●
Default: 100%
10. DHW Min Limit
Set the DHW supply minimum
temperature.
●
Setting range: DHW minimum
capacity (%) – [DHW MAX
capacity limit-20] %
●
Default: Boiler’s minimum
heat capacity
11. DHW Max Limit
Set the DHW supply maximum
temperature.
●
Setting range: [DHW minimum
capacity limit +20] % – 100%
●
Default: 100%
12. DHW Wait Time
Set the DHW wait time.
●
Setting range: 0 – 20 min
●
Default: 5 min
13. CH Min Burning Time
Set the low-load combustion
time at initial operation.
●
Setting range: 0 – 20 min
●
Default: 1 min
14. Burning Acceleration
Time
Set the time to reach the
maximum central heating
capacity after initial operation.
●
Setting range: 0 – 20 min
●
Default: 3 min
15. OTC ON/OFF
Enable or disable the outdoor
temperature compensation
control option.
16. K-Factor* K-Factor for the central heating
17. WWSD Temp
Set the Warm Weather
Shutdown temperature.
●
Setting range: 10°C – 40°C
●
Default: OFF