10.2Alternative Configurations
The 431A has three additional modules that can be integrated into the unit:
Maintenance bypass panel (MBS) with mechanical interlock secured by a solenoid release. 12 pole Power Distribution Unit (PDU)
2, 3, or 4 Breaker
These can be combined in the following configurations:
One Transformer and EITHER a PDU OR a
A MBS and EITHER a PDU OR a
10.3EQUIPMENT WARNING LABELS
DO NOT attempt to install, operate, maintain or dispose of this equipment until you have read and under- stood all of the product warnings and user directions that are contained in this instruction manual.
Shown below are examples of warning labels that may be found attached to the equipment. DO NOT re- move or cover any of the labels. If the labels are damaged or if additional labels are required, contact your TOSHIBA representative for additional labels.
The following are examples of the warning labels that may be found on the equipment. The labels are there to provide useful information or to indicate an imminently hazardous situation that may result in seri- ous injury, severe property and equipment damage, or death if the instructions are not followed.
(A) 48082
DANGER
AC VOLTAGE
This UPS receives power from more than one source. Disconnect all AC sources before performing any service or testing inside this unit
48082
Figure 10-2: Auxiliary Cabinet Warning Labels
(B) 40308
DANGER
HAZARDOUS VOLTAGES
Hazardous voltages are used in the operation
of this equipment and could cause severe personal injury or loss of life.
The following precautions should be observed to reduce the risk of injury or death.
Only qualified technicians familiar with this equipment and the information supplied with it should be permitted to install and operate this equipment.
Installation of electrical equipment must be done in accordance with National Electrical Code and any other state or local codes. Proper grounding and conductor sizing must be installed for safe operation.
During operation, keep all covers in place and cabinet doors shut.
When performing visual inspections and maintenance, if possible, be sure the MBS is turned off and the incoming AC feed is turned off and locked out.
The UPS and Battery Cabinet will have hazardous voltages present even after the AC feed is turned off.
If it is necessary to make measurements with the power on, do not touch any electrical connection points. Remove all jewelry from wrists and fingers. Make sure test equipment is in good, safe operating condition.
While servicing, stand on some type of insulation, and be sure not to be grounded.
Follow the safety instructions given in the equipment manual carefully and observe all danger, warning and caution notices.
4030864818
4300 Series Ancillary Cabinets Installation and Operation Manual | 25 |