Navien NFC-250/175H, Руководство по установке, Страница: 125 / 151

125 Operating the Boiler
Item Description
10. Flow
Control Valve
Output
Test the Flow control valve
operation. Rotate the valve from
its current position to fully open
(0%), then fully closed (100%) and
then back to the starting position
while checking feedback.
●
Display of the valve close
ratio %
●
Display of “FEEDBACK” when
detecting the feedback
11. Mixing
Valve Output
Test the Mixing valve operation.
Rotate the valve from its current
position to fully open (0%), then
fully closed (100%) and then back
to the starting position while
checking feedback.
●
Display of the valve close
ratio %
●
Display of “FEEDBACK” when
detecting the feedback
12. 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).
13. Recirc.
Pump
Test the recirculation pump.
●
The recirculation pump is
turned on as soon as you enter
the test mode.
●
Press the Command dial ( ) to
toggle the recirculation pump
(On -> Off / Off -> On).
* The Zone 1 Pump, Zone 2 Pump, and Zone 3 Pump are
available only when the Zone Setting is set to Zone
Pump System.
** The Zone 1 valve output, Zone 2 valve output, and Zone
3 valve output are available only when the Zone Setting
is set to Zone Valve System.
Item Description
3. Zone 1
Pump*
Test the Zone 1 pump operation.
●
The 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).
4. Zone 2
Pump*
Test the zone 2 pump operation.
●
The zone 2 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).
●
This option is available only
when the “Zone Pump System”
is active.
5. System/
Zone 3 Pump*
Test the Zone 3 pump operation.
●
The Zone 3 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. Zone
1 valve
output**
Press the Command dial ( ) to
toggle the zone 1 valve operation
(On -> Off / Off -> On).
7. Zone
2 valve
output**
Press the Command dial ( ) to
toggle the zone 2 valve operation
(On -> Off / Off -> On).
8. Zone
3 valve
output**
Press the Command dial ( ) to
toggle the zone 3 valve operation
(On -> Off / Off -> On).
9. 3 Way Valve
Output
Test the 3 Way valve operation.
●
The 3 Way 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).