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6 – Internal Battery Connection
DANGER! LETHAL HIGH VOLTAGE HAZARD!
Potentially lethal high voltage exists within the batteries, even when not connected to a UPS system. Battery connection
should be performed by qualifi ed service personnel only, following all the precautions listed in this manual and adhering to
local electrical codes. Read
Internal battery connection is for models SU20KX and SU40KX only. Each internal battery pack consists of two strings of batteries: one string
with a black cable and one string with a red cable. The number of internal battery packs varies with model.
6-1 Internal Battery Wiring Diagrams
Review the internal battery wiring diagrams prior to connecting the internal batteries. The UPS system can accept up to four internal battery packs
(each pack consists of two strings; each string consists of 10 batteries). The number of internal battery packs varies with model.
200706017 93-2688 SU manual 4C.indd 11
200706017 93-2688 SU manual 4C.indd 11
Section 2 – Important Safety Instructions
VBoard
W1: RED, W2: BLUE, W3: WHITE, W4: BLACK
B+
RED RED
N
BLACK BLACK
VBoard
RED RED
B-
BLACK BLACK
RED RED
BLACK BLACK
RED RED
BLACK BLACK
(Models SU20KX and SU40KX Only)
before proceeding.
SU40KX shown
12V, 9AH, 10PCS
W1
W2
12V, 9AH, 10PCS
W1
W2
12V, 9AH, 10PCS
W1
W2
12V, 9AH, 10PCS
W1
W2
SU40KX shown
11
12V, 9AH, 10PCS
W3
W4
12V, 9AH, 10PCS
W3
W4
12V, 9AH, 10PCS
W3
W4
12V, 9AH, 10PCS
W3
W4
11/29/2007 2:02:24 PM
11/29/2007 2:02:24 PM
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