Navien NP-180, Service Manual

Page: 148 / 179

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146
Versi
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n 2.0
NOTE
Failure to correctly assemble the components
according to these instructions may result in a
gas leak or explosion.
WARNING
15. Replace the PCB .
16. Install front panel using 4(four) screws.
17. Turn on water supply, power supply, and
gas supply.
18. Perform the measuring of gas pressure
setting procedure.
19. Check for gas leaks.
1. Always replace with new gasket.
2. Wiring should be in right position.
3. Always use right part(O-ring) and right size
and place to pipe