Navien CH-180, Руководство по обслуживанию, Страница: 130 / 155

© Navien Ameri c a I n c . 20 1 0 CH series servi c e Manua l Version 1 .0
8.2.8. Manifold
9. Remove the main gas valve screws
from the gas adapter.
15. Replace the PCB. (refer to 8.2.1
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 pres
sure setting procedure.
19. Check for gas leaks.
14. Replace the gas pipe. Replace the
Oring where the assembly attaches
to the gas connection. Make sure
the old Oring removed and
discarded.
NOTE
1. Always replace with new gasket.
2. Wiring should be in right position.
3. Always use right part(Oring) and
right size and place to pipe
10. Pull out the main gas valve.
11. Positioned main gas valve.
12. Attach the main gas valve and
secured with screws.
13. Assemble the air pressure feedback
tube, gas pressure sensor tube and
wire harness connector.
1 2 8
Figure 24
Figure 25
Figure 20
Failure to correctly assemble
the components according to
these instructions may result in
a gas leak or explosion.
WARNING