Installation Manual
Add-on Controller Installation Kit
NPE-A all models
NPE-A2/S2 all models
NPN all models
This device is designed to work
with NPE-A, NPE-A2/S2, and NPN
water heaters only.
WARNING
All Installations should be done only by a qualified expert and in accordance
with the appropriate Navien manual. Installing an electric appliance with
improper methods or materials may result in serious injury or death due to
fire.
ELECTRICAL SHOCK HAZARD. Disconnect power before installing or
servicing. Otherwise, severe personal injury, death, or substantial property
damage may result.
All wiring must be installed in accordance with local regulations of the
installation site.
