Hitachi S-4800 manual Main Power Disconnect, Power Supply and Grounding Connection

Main Power Disconnect

Lock out/tag out procedure are very important safety concern.

The purpose of the lock out/tag out procedure is to insure safety while working on electrical and mechanical equipment. Make sure you get introduced to the person responsible for the equipment at the site. When you need to power down the system and work on it in that state, you must lock out/tag out. If the main Disconnect is a knife switch, turn it off and place your pad lock in the hole provided. Place a tag that is clearly readable with your name and how you can be reached on it, remember you are the only person that has a key to unlock this Disconnect. If the main Disconnect is a receptacle type, remove it and place a lockable box cover over it and tag it, again you keep the only key. If there is no disconnect you should turn off main breaker at power supply and physically disconnect the power output of the main breaker.

Power Supply and Grounding Connection

This instrument is designed to operate on AC 100 V input power voltage. If other than 100 V input power must be used, it is required to use the double installation transformer.

Refer to <1.3.1 Power and Ground Wirings> for connection of the transformer.

In this case, using a voltage meter, make sure that the output voltage of the transformer is 100 V.

Connect the instrument to ground based on the standard of your country.

Avoid sharing the ground terminal with other power equipments. Be sure to ground the instrument independently.

SAFETY - 16