Navien NFB-175 Mode D'emploi page 90

Rotate the Command dial (
items. Press the Command dial (
information.
Press the Back button (
menu.
Item
1. Elapsed Time After
Install
2. HEX Overheat - No.
of Times
3. Flame Loss - No. of
Times
4. 2nd ignition - No.
of Times
5. 3rd ignition - No. of
Times
6. 4th ignition - No. of
Times
7. 5 ~10th ignition -
No. of Times
11.4.2 Viewing Input and Output Status
To view the boiler's input and output status, press the Back button
( ) and the Menu button (
then select "2. Input/Output Status".
Rotate the Command dial (
items. Press the Command dial (
information.
Press the Back button (
menu.
90 Operating the Boiler
) to switch between the information
) to select an item and view the
) to return to the previous screen or
Description
Elapsed time since installation
Number of times the heat exchanger
overheat protection has activated
Number of times a flame loss/misfire
has occurred
Number of second ignition attempts
Number of third ignition attempts
Number of fourth ignition attempts
Number of tenth ignition attempts
) simultaneously for 3 seconds, and
) to switch between the information
) to select an item and view the
) to return to the previous screen or
Item
1. SH1 Themostat Space heating thermostat 1 input
Status status
2. SH2 Themostat Space heating thermostat 2 input
Status status
3. SH3 Themostat Space heating thermostat 3 input
Status status
4. DHW Themostat
DHW thermostat 1 input status
Status
5. Boiler Pump Status Boiler pump output status
6. DHW/Zone1 Pump
DHW / Zone 1 pump output status
Status
7. Zone2 Pump Status Zone 2 pump output status
8. system/Zone3
System / Zone 3 pump output status
Pump Status
9. Zone V/V 1 Status Zone 1 valve output status
10. Zone V/V 2 Status Zone 2 valve output status
11. Zone V/V 3 Status Zone 3 valve output status
12. HTL Input Status HTL input status
13. Dual Venturi
Dual Venturi output status
Status
14. LWCO Input
LWCO input status
Status
15. Air Handler
Interface Output Air Handler Interface output status
Status
16. DHW Priority
DHW priority output status
Output Status
11.4.3 Setting the Operation Parameters
To set the boiler's operation parameters, press the Back button
( ) and the Menu button (
and then select "3. Parameter Settings".
CAUTION
Parameters must be set by a qualified professional with
an extensive understanding of the boiler system. Setting
parameters improperly may lead to property damage or injury.
Description
) simultaneously for 3 seconds,