SBD TANK TYPE HEATERS
SERVICE HANDBOOK
STEP 17
IID MODULE TEST
Pilot is lit - Sparking has stopped.
STEP 17. IID MODULE TEST (Power to the Main Valve). Using a multimeter, test for 24 VAC between terminal MV on the IID and 24V (GND).
IF |
| THEN | |
24 | VAC is not present: | • | Replace the IID module. Conduct Step |
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| 18 before applying power to |
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| replacement module. |
24 | VAC is present: | • | Go to step 18. |
Technical Training Department | 38 |
Ashland City, TN ©2003 |