43
WHL-012 REV. 12.17.14
NOTE:
The initial display screen will differ depending on a number of factors, including whether the appliance detects a call for heat or
hot water.
The Control System can operate through user and service modes that have specific LCD outputs and dedicated controls, including:
Changing the Set-Point Temperature
Lock Mode
Error Mode
Status Display Mode
Outdoor Temperature Mode
Installer Mode
D. CHANGING THE DHW SET-POINT
The display shows the
icon when the DHW set-point can be changed.
Figure 32
– DHW Set-Point Screens
Press the
button when the display panel is powered ON to change the DHW Set-Point. The DHW icon and current set-point will
display and flash. This indicates that the DHW Set-Point can be changed. Factory DHW Set-Point is 125
o
F (51
o
C). Initial DHW Set-
Point range is 95
– 120
o
F (35
– 49
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.
To change the DHW Set-Point above 121
o
F (49.5
o
C), press and hold the
button for five seconds when the display panel is
powered ON. The current DHW set-point will display. The DHW icon will flash. And the scald w
arning letter “H” (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 appliance. Feel water before bathing or showering!
E. CHANGING THE TEMPERATURE INDICATOR
To change the temperature indicator from Fahrenheit to Celsius, press and hold the
button for more than five seconds when the
display panel is powered ON. This will toggle the temperature unit indicated on the display.
F. CHANGING THE CH SET-POINT
Press the
button when the display panel is powered ON. The display will appear as follows. The set-point will flash when the CH
Set-Point can be changed.
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