Using Commercial Mode; Resetting The Water Heater; Accessing The Basic Menu Items - Navien NPE-180A2 Installation Manual

6.3.1 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 59 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 (
"6.5 Accessing Advanced Menu Items" on page
88 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.
82 Operating the Water Heater
) and the
). Refer to
Description
Disable: 97 °F
●
(36 °C) - 140 °F
(60 °C)
Enable: 140 °F
●
(60 °C) - 185 °F
(85 °C)
°F
).

6.3.2 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.
6.4 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 (
).
).