Term
Electrical Safety Tests
STARTING OUT |
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Definition
| Ensure the boiler is isolated from the power supply correctly. |
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Term
Electrical Safety Tests
If appliance is fitted with a plug |
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Definition
Remove plug from socket.
Examine Plug to ensure plug is wired correctly and that a 3amp fuse is fitted. |
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Term
Electrical Safety Tests
Simplest way to isolate a boiler |
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Definition
| Turn off the switch and remove the fuse (3amps) |
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Term
Electrical Safety Tests
External Controls to the boiler |
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Definition
1.May be independently powered or a fault may exist in the spur.
2.Check the boiler terminal block for power |
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Term
Electrical Safety Tests
Actions |
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Definition
1.Remove boiler front panel and gain access to terminal block.
2.Select VOLT AC
3.Place BLACK lead into the BLUE (neutral) terminal
4.Place RED into the BROWN (live)terminal
5.Votage should be 0v |
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Term
Electrical Safety Tests
Earth Continuity Tests (WHY) |
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Definition
This ensures that the boiler has a good connection to the mains earth supply.
(this test makes sure that if a fault arises the boiler is safe to touch) |
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Term
Electrical Safety Tests
Earth Continuity Tests (HOW) |
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Definition
1.Boiler remains switched off at spur.
2.Select OHMS on meter
3.Black lead onto casing of boiler.
4.Boilers with a plug (red lead onto earth pin of plug)
5.Boilers wired to spur RED lead onto the retaining screw of the spur
6.Reading must be 0ohms |
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