Accessing The Basic Menu Items - Navien NPE-180A2 Installation Manual

You can adjust the temperature by 1 degree
increments as shown below, depending on the
temperature range:
Temperature range
97 °F - 120 °F (Fahrenheit mode)
36 °C - 50 °C (Celsius mode)
120 °F - 140 °F (Fahrenheit
mode)
50 °C - 60 °C (Celsius mode)
The water heater will not provide hot water instantly
through the hot water faucet unless a recirculation
line has been installed from the furthest fixture back
to the water heater. For "A2" models, the unit must
be set to "external recirculation" mode.
7.3.1 Using Commercial Mode
To use water above 140 °F (60 °C) (up to 185 °F (85
°C)), you can use Commercial Mode.
To enter Commercial Mode: The Temperature
●
Lock feature must be OFF - Refer to "3.8.2 Setting
the Front Panel DIP Switches" on page 60 to
disable the Temperature Lock.
Press and hold the Menu button (
●
Back button ( ) simultaneously for 3 seconds
on the front panel to access the Service/
Installer menu. Then access 1. Installer Menu
> 2. Parameter Settings > 12. Commercial
Mode by pressing the OK button (
"7.5 Accessing Advanced Menu Items" on page
97 for additional information on accessing
the Installer Menu.
Function Menu
1. Installer Menu
1.2. Parameter
Commercial Settings
Mode 1.2.12.
Commercial
Mode
To adjust the temperature in 1
Note
●
(0.5 ) increments, press the Up
°C
button (
The commercial warranty applies
●
when this mode is used. Refer to the
Warranty for more details.
Adjusting the water
temperature
1 °F or 0.5 °C
increments
1 °F or 0.5 °C
increments
) and the
). Refer to
Description
Disable: 97 °F
●
(36 °C) - 140 °F
(60 °C)
Enable: 140 °F
●
(60 °C) - 185 °F
(85 °C)
°F
).
7.3.2 Resetting the Water Heater
If an error message appears, you can try resetting
the water heater to resolve the problem. To reset the
water heater, press the Back button (
If resetting the water heater does not solve the
problem, refer to "Troubleshooting" in the Owner's
Manual or contact technical support at 1-800-519-
8794.
7.4 Accessing the Basic Menu
Items
To access to view the water heater's operating
conditions, configure the DHW temperature, or
review the error history, press the Menu button (
).
Operating the Water Heater 91
).