
2-3
SYSTEMS AND OPERATION
TANKLESS WATER HEATER 199
2.3.2 Programming Mode
There are two parameters available in the User Setup Menu.
The controller has five levels: User Menu, Installer Menu (code 15), a Master
Installer Menu (code 20), RF Menu (code 30) and Cascade Menu (code 35).
See
included Controller Manual for details.
Adjusting the Domestic Hot Water Temperature
To access the main menu:
1. Touch the area above the dot.
2. Touch the Faucet button.
3. To change the DHW target temperature, touch the Plus or Minus buttons.
4.
•
To save the changes, touch the
Return button.
•
To exit without saving the changes, touch the area above the dot.
“P” to the right of the screen indicates that the changes have been saved.
NOTE
The domestic hot water
thermostat is adjusted to its
lowest temperature position
when shipped from the
factory. It’s recommended to
set the domestic hot water
thermostat to 120°F/49°C as
an initial setting and further
adjust as required. For
energy efficient operation,
this setting should be set
as low as practical for the
consumer’s needs.