Navien NHB H Series User Manual

117Operating the Boiler
Item Description
8. Zone3 Valve
Output
Test the zone 3 valve
operation.
●
The zone 3 valve is
turned on as soon
as you enter the test
mode.
●
Press the Command
dial (
) to toggle the
valve operation (On ->
Off / Off -> On).
●
This option is available
only when the “Zone
Valve System” is active.
9. Dual Venturi
Test the dual venturi
operation.
●
The dual venturi is
turned on as soon
as you enter the test
mode.
●
Press the Command
dial (
) to toggle the
dual venturi operation
(On -> Off / Off -> On).
Item Description
5. DHW (zone 1)
Pump
Test the DHW (zone 1)
pump operation.
●
The DHW (zone 1)
pump is turned on as
soon as you enter the
test mode.
●
Press the Command
dial (
) to toggle the
pump operation (On ->
Off / Off -> On).
6. Zone1 Valve
Output
Test the zone 1 valve
operation.
●
The zone 1 valve is
turned on as soon
as you enter the test
mode.
●
Press the Command
dial (
) to toggle the
valve operation (On ->
Off / Off -> On).
●
This option is available
only when the “Zone
Valve System” is active.
7. Zone2 Valve
Output
Test the zone 2 valve
operation.
●
The zone 2 valve is
turned on as soon
as you enter the test
mode.
●
Press the Command
dial (
) to toggle the
valve operation (On ->
Off / Off -> On).
●
This option is available
only when the “Zone
Valve System” is active.

Navien NHB H Series Specifications

General

Brand	Navien
Model	NHB H Series
Category	Boiler
Language	English