Four precautions for hydropower design of second-h

2022-07-22
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The water and electricity lines of second-hand houses generally need to start a new stove, and the previous ones can't be used again. The water and electricity transformation needs to pay attention to the following four points:

the water and electricity lines of second-hand houses generally need to start a new stove, and the previous ones can't be used again. The water and electricity transformation needs to pay attention to the following four points:

brand stores: BEM decoration Huifa decoration

1 The power distribution system setting of second-hand houses

here is only configured for typical second-hand houses with an electricity meter of 5 (20) a (house type: two bedrooms, one living room, one kitchen and one bathroom). General opening: 20-25a bipolar circuit breaker; Lighting: 10A single pole circuit breaker; Ordinary socket in living room: 16A with leakage air switch; Kitchen socket: the same as ordinary socket; Toilet socket: the same as ordinary socket. If there is no large electrical appliance in the toilet, it can be considered to combine the circuit with the kitchen; Air conditioning socket: 16A single pole circuit breaker 2-way. This configuration will be adjusted due to different household electrical appliances, which is only for reference

2. Instant water heaters or super high-power central air conditioners, ovens and other electrical appliances should not be used in second-hand houses. If you need to buy relevant electrical appliances, you need to explain the situation in the water and electricity design to avoid serious current overload affecting normal use

3. The transformation of weak current (Internet telephone and television) in second-hand houses is often disruptive and needs to be rewired

4. For the renovation of the waterways of second-hand houses, especially galvanized pipes, it is considered to completely replace them with new pipes in the design; If the water supply needs to be temporarily cut off for about an hour to replace the main valve, contact the relevant units in advance for consent and stagger the cooking peak; When the drainage pipe, especially the iron pipe, is changed into PVC water pipe, on the one hand, the connection between metal pipe and PVC pipe should be handled well to prevent water leakage. In addition, the drainage pipe belongs to non pressure water pipe, and it is necessary to ensure smooth drainage

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