33
Chapter 6 Installation
6.3 PDB Disassembly & Installation
6.3.1 Precautions Prior to PDB Disassembly
1. The PDB is assembled with the UPS when it is shipped out from the Delta
factory. Disassembly of the PDB must be performed by trained professional
personnel.
2. To carry out UPS maintenance without interrupting its power supply, please
follow the procedures below to turn the PDB’s manual bypass switch to the
Bypass
position to let the UPS automatically shut down.
1
Unscrew the screw shown below to remove the cover plate of the manual
bypass switch.
O
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P
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B
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A
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-
4
2
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0
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3
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3
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.
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3
3
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A
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.
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5
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-
2
2
5
0
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2
0
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.
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-
1
2
5
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3
0
A
MINI SLOT
OPENING THIS COVER PLATE WILL CAUSE
INVERTER SHUTDOWN.
ONLY AUTHORIZED SERVICE PERSONNEL
CAN OPEN AND OPERATE IT.
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L2
L1
P
1
D
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4
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3
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2
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4
8
5
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S
-
2
3
2
EXTERNAL BATT. CONNECTOR 240V DC 46A
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-
1
3
0
A
MA
X.
TM
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Screw
Cover Plate
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2
Turn the manual bypass switch to the
Bypass
position.
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T
B
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A
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-
4
2
5
0
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2
5
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0A
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2
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0
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2
0
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2
2
0
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.
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-
1
2
5
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A
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3
0
A
MINI SLOT
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P
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O
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P
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L2
L1
A
C
I
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P
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T
L2
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P
1
D
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A
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P
4
P
3
P
2
R
E
P
O
R
S
-
4
8
5
R
S
-
2
3
2
EXTERNAL BATT. CONNECTOR 240V DC 46A
O
U
T
P
U
T
SO
C
KE
T
-
1
3
0
A
MAX.
TM
O
V
Manual Bypass
Switch
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