Navien NFC-175 Installation & Operation Manual page 85

Connecting the Power Supply
Is the supplied voltage 110-120V AC?
Is the boiler plugged into a properly grounded outlet?
If you have made a direct power supply connection, have you installed a power switch to facilitate end-user
maintenance?
Have you checked the polarity of the electrical connection?
PCB DIP switch setting (DIP SW 2, set of 8)
Gas type: Is switch #1 set correctly for LP (ON) or NG (OFF)?
If continuous boiler operation is required, is switch #7 in the up (ON) position?
If high temperature venting has been installed (CPVC or polypropylene), is switch #8 in the up (ON) position?
Operating the boiler
Have you shown the owner how to clean the inlet water filter?
Have you given the Installation & Operation Manual and User's Information Manual to the owner for future reference?
Have you shown the owner how to shut off the gas in case of an emergency?
Yes No
Yes No
Yes No
Installation Checklist 85