Condensation Trap - Navien NP-180 Service Manual

8.2.11. Condensation Trap

1. Turn off the gas supply
2. Turn off the 120V power supply
3. Turn off the water supply.
4. Loosen the PCB 2 screw from bottom base
5. Pull out the PCB. (refer to 8.2.1 PCB)
6. Remove the Pin (A). Drain Condensate
water from the trap.
< Figure 29 >
7. Loosen the three condensation trap screws.
< Figure 30 >
©Navien America Inc. 2010
8. Remove the condensation trap connecting
hose
10. Pull out the Condensation trap.
11. Replace with new condensation trap.
12. Connects the condensation trap hose.
13. Attach the condensation trap and secured
with three screws.
14. Replace the PCB. (refer to 8.2.1 PCB)
15. Install front panel using 4(four) screws.
16. Turn on water supply, power supply, and
gas supply.
NOTE
1. Always make sure pin on right direction and
secure.
2. When installed the condensation trap
connecting hose, it should be installed from
the secondary heat exchanger drain port
first and then to trap.
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NR/NP series service Manual
< Figure 31 >
Version 2.0