Navien NFB-175H, Руководство пользователя

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9 Operating the Boiler
WARNING
Follow the instructions below to avoid unsafe operating conditions that could cause property damage, severe
personal injury, or death.
●
Ensure that the boiler is filled with water before turning it on.
●
If overheating occurs or the gas supply fails to shut off, shut off the gas supply to the boiler by using the
manual gas valve.
●
If any part of the boiler has been submerged in water, do not use this appliance and immediately call a
qualified service technician. The boiler must be replaced.
3.1 Turning the Boiler On or Off
To turn the boiler on or off, press the Power button ( ).
When the power is on, the boiler automatically enters normal operation mode, and the boiler’s operating
conditions are displayed on the screen.
Note
The boiler status icons remain displayed when the boiler is turned off.
3.2 Adjusting the System Temperatures
In normal operation mode, space heating teperature for each zone can be set depending on the settings in the
following table.
Settings
Space heating settings
Zone Priority Settings Zone Settings Pump 1 Settings
Disable N/A N/A Space heating temperature settings
Enable Zone Pump System DHW Pump
Space heating temperature settings
for Zone 2 and Zone 3 (Pump 1
Settings” is set to “DHW Pump”.)
Enable Zone Pump System Zone1 Pump
Space heating temperature settings
for Zone 1, Zone 2 and Zone 3
Enable Zone Valve System DHW Pump (Default) Space heating temperature settings
for Zone 1, Zone 2 and Zone 3
3. Operating the Boiler