Fuse - Navien NP-180 Service Manual

8.2.2. Fuse

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.
< Figure 4 >
5. Rotate the PCB to the left side.
6. Remove the capsule (A)'s B/C connected
to the power cable.
< Figure 5 >
B
< Figure 2 >
< Figure 6 >
©Navien America Inc. 2010
7. Pull out the fuse.
8. New fuse into the part C and assemble B/C.
9. Rotate the PCB to the right side.
10. Fix the PCB right-side screw from bottom
base.
11. Install front panel using 4(four) screws.
12. Turn on water supply, power supply, and
gas supply.
NOTE
Before remove, press the part B into part C
and put together as removing the capsule.
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NR/NP series service Manual Version 2.0