Navien NR-180 Installation Manual page 55

Navien Gas Water Heater Installation
 DIP Switch Settings
 For the set of 6 DIP switches:
 Are switch #1 and #2 in the down (off) position?
 Is switch #3 properly set for the gas supply type?
 Is switch #4 in the down (off) position?
 Are switch #5 and #6 set for the proper model number?
 For the set of 8 DIP switches:
 Unless using multiple units, is switch #1 in the down (off) position?
 Are switch #2 and #3 in the down position?
 If using NR, NP series, switch #4 and #5 must be in the up (on) position; If using
NR-"A", NP-"A" series, set the switches proper for normal mode(#4:off, #5:off) or
external recirculation mode(#4:off, #5:on) or internal recirculation mode(#4:on,
#5:off).
 Is switch #6 properly set for regular or premium type?
 Are switches #7 and #8 set to the customer's desired temperature?
Recommended temperature should not exceed 120°F.
 Has the homeowner been advised of the scalding potential of water
temperatures set above 125°F?
 Final
 Has the owner been advised of the minimum flow rate to trigger the burner (if not
using the NR-"A" or NP-"A" series)?
 Has the owner been shown how to clean the inlet water filter?
 Has the owner been left with the operation and installation manual for future
reference?
 Has the owner been shown how to shut off the gas in case of an emergency?
55