The power line configuration of the constant temperature and humidity tester: green is the zero line, the yellow and green colors are the ground wires, and the rest of the colors are live wires.
The power supply voltage fluctuation range of the input machine should not exceed the allowable range, the ground wire must be good, otherwise it will affect the performance of the machine.
Be sure to configure the appropriate safety device according to the power of the machine to prevent the power supply from being safely cut off when the machine fails to prevent fire and injury.
Be sure to position the machine in a safe space before wiring, and ensure that the wiring is consistent with the rated current and voltage of the machine, otherwise there will be electric shock and accidents.
The wiring operator should be professional to avoid erroneous wiring and input of wrong power to damage the machine and burn the components.
Please confirm whether the input power is disconnected before wiring to avoid electric shock.
If the machine has a three-phase motor, you must check whether the direction of rotation is correct when connecting the power supply. If it is a single-phase motor, the direction of the rotation has been adjusted at the factory. .
After the wiring is completed, input the matching power supply under the condition of ensuring that the machine control appliances are not faulty. At the same time, all the electric box covers must be installed before powering on, otherwise there is a risk of electric shock and fire.
Non-full-time personnel of this machine are not allowed to carry out maintenance and inspection on this machine, and must carry out disassembly and inspection in case of power failure to avoid electric shock and fire.
It is not allowed to dismantle the electric box, electric box door, body side panel and some safety protection devices for work. This method of the machine is in a dangerous operating state and is very dangerous.
The main power switch on the control panel should be operated as little as possible, and only the temperature switch and the user power switch need to be turned off during shutdown.
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