BTC 120-500 - AO Smith Water Heaters
BTC 120-500 - AO Smith Water Heaters
BTC 120-500 - AO Smith Water Heaters
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>BTC</strong> TANK TYPE HEATERS<br />
SERVICE WORKBOOK<br />
Pilot is lit - Sparking has stopped.<br />
STEP 17. IID MODULE TEST. Using a multimeter, test for 24 VAC between terminal MV on<br />
the IID and 24V (GND).<br />
- If 24 VAC is not present, replace the IID module. Conduct Step 18 before applying<br />
power to replacement module.<br />
- If 24 VAC is present, go to Step 18.<br />
A.O. <strong>Smith</strong> <strong>Water</strong> Products<br />
Irving, Texas ©1998<br />
37<br />
Service Workbook<br />
Training Department
Change language