Navien NP Condensing Tankless Gas Water Heater - Service Manual
Navien NP Condensing Tankless Gas Water Heater - Service Manual
Navien NP Condensing Tankless Gas Water Heater - Service Manual
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8.2.4. Fan Motor(Combustion Air)<br />
1. Turn off the gas supply<br />
2. Turn off the 120V power supply<br />
3. Turn off the water supply<br />
4. Remove the four screws securing the front<br />
panel. Remove front panel.<br />
5. Loosen three fixing screws from the fan<br />
assembly<br />
7.Pull out the fan assembly<br />
< Figure 10 ><br />
< Figure 8 ><br />
6. Disconnect the harness housing at the<br />
fan assembly.<br />
8. Attach the fan to be replaced.<br />
9. Fix the three screws of the fan.<br />
10. Attach the harness housing to the<br />
fan assembly<br />
11. Install front panel using 4(four) screws.<br />
12. Turn on water supply, power supply,<br />
and gas supply.<br />
NOTE<br />
1. Don’t over tight screws with high torque<br />
drill.<br />
It will be damaged to fan housing.<br />
2. Confirm whether the screws tighten enough<br />
or not.<br />
3. Confirm whether there are unnecessar<br />
noises after reinstalled fan.<br />
< Figure 9 ><br />
©<strong>Navien</strong> America Inc. 2010<br />
139<br />
NR/<strong>NP</strong> series service <strong>Manual</strong><br />
Version 2.0
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