Flame Rod - Navien NP-180 Service Manual

8.2.5. Flame Rod

1. Turn off the gas supply
2. Turn off the 120V power supply
3. Turn off the water supply
4. Loosen the PCB right-side screw from
bottom base.
5. Pull out the fan assembly
(refer to 8.2.5 Fanmotor)
6. Remove the Ignition Transformer Cable.
< Figure 11 >
7. Remove the flame rod cable.
< Figure 12>
©Navien America Inc. 2010
8. Loosen the 2 ignition electrode screws.
9. Pull out the igniter
10. Attach the new ignition electrode and
tighten screws.
11. Connect the trans cable and flame rod cable
into the ignition electrode and flame rod.
12. Attach the fan to be replaced.
(refer to 8.2.5 Fan motor)
13. Install front panel using 4(four) screws.
14. Turn on water supply, power supply, and
gas supply.
NOTE
Always use factory seal packing between the
electrode and burner assembly.
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NR/NP series service Manual
< Figure 13 >
Version 2.0