Ulvac DC-10, Руководство по эксплуатации, Страница: 20 / 88

DC Power
【
DC-10/DC-20
】
3. Preparation
9
3. Preparation
We describe necessary preparation and caution matters in
step where after this unit is delivered at your hand, you
use this unit.
3-1 Unpacking
Unpack the product package and take out the products.
After unpacking, check the number of accessories and the apperance of the main unit and the
accessories.
When taking the main unit out of the transportation box, be sure to work together with other
one or more persons.
3-2 Installation of power supply
3-2-1 Power receiving equipment
Operation of this power supply needs the following AC input equipment. (For details, see Table 2-1.)
Model
Number of
phases
Voltage Frequency Capacity Remarks
DC-20
Three-phase
187
～
229V
50/60Hz
25kVA
The power receiving
equipment shall be
designed with an
allowance*.
DC-10 13.5kVA
DC-20-H 25kVA
DC-10-H 13.5kVA
* The above shows the required power receiving capacity for one power supply. The number of power
supplies depends on the system configurations and the suitable power receiving capacity depends
on the number under actual working conditions.
3-2-2 Class A grounding work
The output voltage of this power supply is 1,000V or more and therefore classified into high-voltage
equipment. For this reason, Class A (formerly called Class 1) grounding with grounding resistance of
10Ω or less is necessary.
Of the Japanese standards, the Class A grounding work defined in the guide for electrical
equipment fits.
In sufficient grounding may damage the target devices and have an
excessive effect on a human body. In a country outside Japan, install the product following
its national rules.
CAUTION
CAUTION