Single-phase card meter installation and use
1, installation
The electric energy meter is inspected before leaving the factory and sealed with seals to be installed and used. For unleaded seals or long-term storage of energy meters should be re-inspected by the relevant departments before they can be installed and used.
The electric energy meter should be installed in a ventilated and dry place, and it can be installed at any position, but it is usually installed by vertical mounting.
The height of the installation is recommended to be about 1.8 meters. The bottom plate on which the electric energy meter is installed should be fixed on a wall that is strong and fireproof and hard to vibrate.
In places that are dirty and likely to be damaged, the energy meter should be installed inside the protection cabinet.
When installing the wiring, it should be connected according to the wiring diagram on the terminal cover of the electric energy meter or the corresponding wiring diagram on this manual. It is best to use the copper joint to avoid burn out of the electric energy meter due to poor contact.
When the electric energy meter is used in areas with high lightning, lightning protection measures should be taken to avoid damaging the electric energy meter due to lightning strikes.
Single-phase card meter price alarm display
Note that the leading letter is changed from the original "E" to "L", indicating that the remaining amount in the table has fallen below the displayed alarm amount, prompting the user to purchase electricity in time. If the user continues to use the electricity without inputting electricity, the following situation will occur. The display of the alarm amount can be set according to the user's requirements, or can be set uniformly by the power management department according to the power supply plan.
It indicates that the remaining amount in the watch has fallen below the value of the pull-off alarm, the power meter automatically trips the power-off alarm, and the LED displays the above sign. After waiting for 2 minutes, the power meter will automatically switch on and resume power supply, and the LED will also display the cumulative power consumption, remaining amount, and power unit price at the same time. The amount of the alarm for opening the brake can be set according to the user's request, and can also be set uniformly by the power management department according to the power supply plan.
If the current meter allows the user to overdraft if there is no remaining amount. Then the above sign indicates that the user has already owed electricity (1RMB), prompting the user to purchase electricity in time. If the user continues to use the electricity without inputting the electricity charge, the power meter will persistently trip and power off until the user has a new electricity purchase amount input table. The allowable overdraft amount can be set according to the user's requirements, or can be uniformly set by the power management department according to the power supply plan.
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