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4. The controller displays "In" (indoor).
Figure 29
5. Press the up or down arrow buttons. The controller
displays "Out" (Outdoor).
Press the "On/Off" button to confirm "Out" (Outdoor).
NOTE: The water heater MUST be set to
"OUT" (Outdoor) for recess box installations.
Figure 30
Out
6. The controller displays "nG" or "LPG," and "In" or
"Out" alternatively while the "Priority" button LED
light is blinking. The controller is showing the
current gas setting and indoor/outdoor setting.
For example, the controller displays "nG" and "Out"
alternatively, indicating the water heater is set for
natural gas and outdoor installation.
7. If settings are correct: Press the "Priority" button.
If settings are not correct:
Press the up arrow button to return to step 1.
Repeat the steps starting at step 1.
Figure 31
LED light
"Priority" button
8. The controller briefly displays "888" and makes a
beeping sound. Then, complete initial settings and
the controller is off.
n
I
Up and down
arrow buttons
"On/Off" button
Up arrow
button
Figure 32
888
9. When settings are complete, the controller display
will appear blank.
Press the "On/Off" button to turn on the unit.
Figure 33
1. Complete the checklist in the "Post-Water Heater
Installation Checklist" section of the Tankless Water
Heater Installation and Operation Manual when
installation is complete.
2. Check for gas and water leaks.
3. Install the recess box front door panel by inserting
the top end first and then pressing the bottom end
into the recess box (Figure 21).
Figure 34
1
2
"On/Off"
button
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