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VBoard
W1: RED, W2: BLUE, W3: WHITE, W4: BLACK
12V, 9AH, 10PCS
12V, 9AH, 10PCS
12V, 9AH, 10PCS
12V, 9AH, 10PCS
RED RED
RED RED
BLACK BLACK
BLACK BLACK
RED RED
RED RED
BLACK BLACK
BLACK BLACK
B+
W1
W1
W1
W1
W2
W2
W2
W2
12V, 9AH, 10PCS
12V, 9AH, 10PCS
12V, 9AH, 10PCS
12V, 9AH, 10PCS
W4
W4
W4
W4
W3
W3
W3
W3
B-
N
VBoard
11
6 – Internal Battery Connection (Models SU20KX and SU40KX Only)
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 qualified service personnel only, following all the precautions listed in this manual and adhering to
local electrical codes. Read Section 2 – Important Safety Instructions before proceeding.
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.
SU40KX shown
SU40KX shown