Ambionair TDGW7000E Manuale d'uso - Pagina 12

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LOADING

Exert loads with the specified parameters. Do not start two or more machines

simultaneously. Start them one by one. Do not use floodlights with other machines.

AC application

1. Make sure to run the generator at the suggested speed.

2. After switching on the air switch, observe the voltmeter on the panel of the

control cabinet; it should point to 230V + 5%(50Hz) for the single-phase

generating set; 400V + 5%(50Hz) for the three-phase generating set, then the

loading can be carried out.

3. When the double voltage generator changes over the voltage, the air switch

should be set at the "OFF" position. Otherwise the generator and the electrical

devices will be burned out and damaged.

4. Connect the equipment to the generator in order. The heavy-duty motor should

be connected first, then the light-duty motors. If the operation is false, the

generator will lag or stop suddenly. It is necessary to unload the generating set

immediately and turn off the main switch and do checks.

5. For the three-phase generator: Balance three phases during the operation. Stop

the engine to check if the tolerance exceeds 20%. Be sure to keep the tolerance

among the three phases less than 20%. The load for each phase must be below

the rated load as will as the current must be less than rated current. A, B, C, D

(or U, V, W, N) phase arrangement should be from left to right, or clockwise.

6. When connecting devices to the generator, make sure to connect these devices

in order: Connect the large loads onto the generator first. If everything is

functional, smaller loads can then be added. If the generator shuts off, it may be

because the load being drawn by all the various devices are too high. In this

event, decrease the number of small devices until everything is functional. The

total drawn power should not exceed the maximum output power of the

generator. In order to reset the generator after overdrawn power, let it sit for

several minutes. If the indication of the voltmeter is too high or too low, adjust the

speed accordingly. If there are problems, stop the generator immediately and fix

the issue.