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Toshiba Uninterruptible Power System G8000 Series User Manual

Page 16

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15

F

DANGER

RISK OF ELECTRIC SHOCK OR ELECTRIC
ENERGY-HIGH CURRENT LEVELS

Dangerous electric charge may be stored

in capacitor and associated circuitry.

Test before touching.

E

DANGER

RISK OF ELECTRIC SHOCK

Capacitors stay charged after power has

been shut off.

Accidental contact with live parts can

cause personal injury and death.

Turn off and lock out all power sources.

Wait at least five (5) minutes for power to

dissipate then check voltage before
servicing

G

Grounding Electrode

Terminal

H

The output ac circuit is considered as a

separately derived source. If local codes
require grounding of this circuit, use
terminal (identify terminal) for bonding
this circuit to the enclosure. Ground the
enclosure to a suitable grounding
electrode in accordance with local code
requirements.

I

CAUTION

RISK OF ELECTRIC SHOCK

Heat Sink (IGBT) is not grounded.

Test before touching.

J

CAUTION

8A

( control power source switch )

Do not turn off while operating.

K for 250kVA

USE COPPER CONDUCTORS ONLY

REFER TO INSTRUCTION MANUAL REGARDING

TIGHTENING TORQUE OF TERMINAL BLOCKS.

1

2

3

4

5

6

7

8

9

10 11 12

U

V

W

-

+

U

V

W

N

U

V

W

380V 375V 380V 380V

AC INPUT BATTERY BYPASS INPUT AC OUTPUT

K for 300kVA

USE COPPER CONDUCTORS ONLY

REFER TO INSTRUCTION MANUAL REGARDING

TIGHTENING TORQUE OF TERMINAL BLOCKS.

1

2

3

4

5

6

7

8

9

10 11 12

U

V

W

-

+

U

V

W

N

U

V

W

480V 400V 480V 480V

AC INPUT BATTERY BYPASS INPUT AC OUTPUT

*

The label G is attached at the ground wire connection point.

**

The label E is mounted in the vicinity of the main circuit transformers and reactors that can be seen from
the back of the UPS.

Figure 5.4 - Warning Labels.