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INFOSEC UPS SYSTEM - 15, rue du Moulin - 44880 Sautron - FRANCE - www.infosec-ups.com
Hot Line
– Tel + 33 (0)2 40 76 15 82 - Fax + 33 (0)240 94 29 51 - [email protected] – 03 17 AA 59 201 24
2.11 Wiring
WARNING:
Before connecting any wire, make sure the AC input and battery power is completely cut off.
Make sure the breakers, Main Breaker (Q1), Maintenance Breaker (Q2), Output Breaker (Q3)
and battery breaker are all in the OFF position.
2.11.1 Installation Drawing
UPS
G
To User Safety ground
In
p
u
t1
R
S
T
N
To Main SUPPLY
(Power Cables)
In
p
u
t2
R
S
T
N
To Bypass SUPPLY
(Power Cables)
O
u
tp
u
t
R
S
T
N
To Critical Load
(Power Cables)
B
A
T
+
N
-
To External BATTERY
(Power Cables)
Figure 2-23 UPS Cabinet Wiring
2.11.2 AC source connection
For Single input application, connect Input1 to the AC power source and use 3 short wires to
connect Input1 and Input2.
For Dual input application, connect input1 to the Main AC power source and connect input2 to
the Bypass power source.
The sequence of three phase, R, S and T must be connected accordingly. The wrong sequence will
alarm a warning when the UPS is powered.
The N must be connected firmly. A warning message will be indicated, if the N is not connected
well.
