91Operating the Water Heater
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 (
).
You can adjust the temperature by 1 degree
increments as shown below, depending on the
temperature range:
Temperature range
Adjusting the water
temperature
97 °F - 120 °F (Fahrenheit mode)
36 °C - 50 °C (Celsius mode)
1 °F or 0.5 °C
increments
120 °F - 140 °F (Fahrenheit
mode)
50 °C - 60 °C (Celsius mode)
1 °F or 0.5 °C
increments
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 ( ) and the
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 (
). Refer to
“7.5 Accessing Advanced Menu Items” on page
97
for additional information on accessing
the Installer Menu.
Function
Menu Description
Commercial
Mode
1. Installer Menu
1.2. Parameter
Settings
1.2.12.
Commercial
Mode
●
Disable: 97 °F
(36 °C) - 140 °F
(60 °C)
●
Enable: 140 °F
(60 °C) - 185 °F
(85 °C)
Note
●
To adjust the temperature in 1
°F
(0.5
°C
) increments, press the Up
button (
).
●
The commercial warranty applies
when this mode is used. Refer to the
Warranty for more details.
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