Instructions / Assembly
49
WHL-590 REV. 7.27.16
Turn the dial counterclockwise to lower and clockwise to raise the DHW set-point. After changing the temperature, press the
button to save the set-point.
To change the DHW Set-Point above 121
o
F (49.5
o
C), press, then press and hold the button when the display panel is powered
ON. The current DHW set-point will display. The DHW icon will flash. Then press and hold the button for five seconds. The scald
warning symbol “ ” (high temperature) will display. High temperature DHW Set-Point range is 121 – 140
o
F (49.5 – 60
o
C).
Turn the dial counterclockwise to lower and clockwise to raise the DHW set-point. After changing the temperature, press the
button to save the set-point.
Hotter water increases the risk of scald injury. Scalding may occur within 5 seconds at a setting of 140
o
F (60
o
C). Water temperature
over 125
o
F can instantly cause severe burns, or death, from scalds. Children, disabled, and elderly are at the highest risk of being
scalded. See instruction manual before setting temperature at water heater. Feel water before bathing or showering!
NOTE: After a DHW demand has been met, the pump will run for a set period of time based upon the heat exchanger temperature.
This is meant to prevent scale build-up in the heat exchanger.
E. CHANGING THE TIME
Press and hold the button for five seconds when the display panel is powered ON to change the time. The settings can be
adjusted as follows: Year / Month / Date / Hour / Minute / Day of Week.
Figure 43 – Changing the Time Screen
Turn the dial counterclockwise to lower and clockwise to raise the current time setting. After changing the setting, press the
button to save it. The next adjustable setting will appear. After the time and date have been set, press the button to save and
return to the main screen.
F. STATUS DISPLAY
Status Display will activate when button is pressed and held for five seconds at Standby Mode.
Figure 44 – Status Display Screens