MITSUBISHI

9800A SERIES UPS

Page Number:

ELECTRIC

OWNERS / TECHNICAL MANUAL

3-2

D) External Battery Supply

Please refer to the following when installing and maintaining batteries:

1.The customer shall refer to the battery manufacturer's installation manual for battery installation and maintenance instructions.

2.The maximum permitted fault current from the remote battery supply, and the DC voltage rating of the battery supply over-current protective device are shown in Table 3.3.

TABLE 3.3 Maximum Permitted Fault Current

UPS CAPACITY

DC VOLTAGE

MAXIMUM PERMITTED

(kVA)

RATING (V)

FAULT CURRENT (A)

 

 

 

 

 

 

100

480

25000

 

 

 

150

480

25000

 

 

 

225

480

25000

 

 

 

300

480

25000

 

 

 

375

480

25000

 

 

 

500

480

25000

 

 

 

750

480

25000

 

 

 

3.3Procedure for Cable Connections *

1.Confirm the capacity of the UPS being installed. Identify the input/output power terminal blocks as shown in the appropriate Figures 3.1 through 3.2-a~g,Figure 3.3.

2.Connect the internal control wire and power wire.

(1)Control wire Inter-connect

1.CB2 NO Auxiliary to terminal TN2- 23, 24.

2.CB2-UVT to terminal TN2- 21, 22.

(2)Power wire Inter-connect

a.) From user’s distribution panel

1.X1 (A-phase) to A bus bar in UPS rectifier section.

2.X2 (B-phase) to B bus bar in UPS rectifier section.

3.X3 (C-phase) to C bus bar in UPS rectifier section.

MITSUBISHI ELECTRIC 9800A SERIES UPS

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Mitsubishi 9800A Series Electric Owners / Technical Manual, External Battery Supply, Procedure for Cable Connections