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INSTALLATION & OPERATIONAL SELV MANUAL
30 L20-406 Rev 5 (3/14)
12.1.5 HEATING ELEMENT
Check if the element is mechanically strong and in good condition. Look for scale build up and
inspect for signs of dry firing.
Verify element wires are in good working condition. Look for damage to wires or frayed
insulation. Check that the insulation is dry.
Verify that bulkhead connections/nut is tight and leak free. Look for grease build up and oily
surfaces.
Verify amp-draw is within range as compared to the information on the data plate.
12.1.6 CONTROL BOX & ELECTRICAL COMPONENTS
Verify that heating contactors are in good condition. Check for worn or pitted contacts. Verify
that wires are tight and in good condition.
Verify that all components (transformer, terminal block, relays, drain switches, etc…) are in
good condition. Verify that wires are tight and in good condition.
Verify enclosures are free of leaks. Check for water stains and wet surfaces.
Verify that the covers and panels are intact and provide a safe condition. Check for loose parts.
Verify power cord is in good condition. Check for frayed or exposed wires. Verify that the
insulation is in good condition and the attachment to the appliance is tight.