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1. |
Turn the power off, and unplug the unit. |
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2. |
Open the control panel. |
| 3. |
Check switch to be replaced, loosen the terminals and unhook wirings.
(Note) When unhooking wires, write down wire numbers and positions. |
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4. |
Remove the over-current relay (OCR) device. |
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5. |
Insert screw driver into hooking section below the front section of relays. |
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6. |
Pull forward while pushing down. Then raise up and remove relays. |
| 7. |
Install new relays.
(Opposite of #6, hook up upper section to rails and push bottom section on rails.) |
| 8. |
Hook up wirings.
(Securely tighten. If loose, terminals may burn due to accumulation of heat.) |
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9. |
Check setting value of thermal , and set dial to specified current value. |
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*For specifications on current values, see
Thermal Settings |
