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During the installation process of the constant temperature and humidity constant humidity test chamber, due to the attention of the power supply capacity, no more than one machine can use one power supply at the same time, and a voltage drop occurs, which affects the performance and even causes the fault to stop. Please use the dedicated circuit. Therefore, please distribute the power as follows:
1 According to the power supply wiring voltage: single-phase two-wire + protection wire 220V/50Hz
2 Applicable wire diameter: (with cable length 10M or less) 4.0~5.5mm?
3 When the cable is connected to the power supply: one phase 3W 220V, 50Hz, the yellow line is fixed to the wire, and the other two wires are respectively connected to the live wire and the neutral wire.
4 The variation of the power supply voltage, please exceed ±5% of the rated voltage (the maximum allowable voltage is ±10% of the rated voltage)
5 Ground the color line between the yellow and green lines of the power cable.
6 Constant temperature and humidity test box is added to connect the connecting wire to the water pipe, the water pipe must be the metal pipe of the ground. (but not all metal tubes have an effective ground)
7 Do not connect the ground wire to oil or gas pipe
8 For the test items to be tested for power-on, do not connect to the unit's power supply, because the machine has been planned and designed, and then add other loads, which may lead to excessive load.
9 Whether there is damage wiring or piping is possible.
The above power supply voltage configuration is caused by 80 liters, 100 liters, 120 liters, and 225 liters of small constant temperature and humidity constant humidity test chambers. Other large-scale constant temperature and humidity test chambers should be installed in strict accordance with the [Electrical Installation] regulations in the equipment manual. Install correctly.
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