Navien NFB-175H Installation Manual page 107

11.6.2 Viewing Input and Output Status
To view the boiler's input and output status, press
the Back button ( ) and the Menu button (
simultaneously for 3 seconds, and then select
"2. Input/Output Status".
Rotate the Command dial (
the information items. Press the Command dial (
to select an item and view the information.
Press the Back button (
screen or menu.
Item
1. SH1 Thermostat Space heating thermostat
Status 1 input status
2. SH2 Thermostat Space heating thermostat
Status 2 input status
3. SH3 Thermostat Space heating thermostat
Status 3 input status
4. DHW Thermostat DHW thermostat 1 input
Status status
5. Boiler Pump
Boiler pump output status
Status
6. DHW/Zone1 DHW / Zone 1 pump
Pump Status output status
7. Zone2 Pump Zone 2 pump output
Status status
8. system/Zone3 System / Zone 3 pump
Pump Status output status
Zone 1 valve output
9. Zone V/V 1 Status
status
)
) to switch between
)
) to return to the previous
Description
Item
10. Zone V/V 2 Zone 2 valve output
Status status
11. Zone V/V 3 Zone 3 valve output
Status 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
Air Handler Interface
Interface Output
output status
Status
16. DHW Priority DHW priority output
Output Status status
11.6.3 Setting the Operation
Parameters
To set the boiler's operation parameters, press the
Back button ( ) and the Menu button (
simultaneously for 3 seconds, 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
)
Operating the Boiler 107