Tescom DS310H - Description of Connection Terminals of the UPS

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WARNING :
- CHECK BOTH OF THE BATTERY GROUPS FOR CORRECT POLARITY AND VOLTAGE
- DO NOT TURN ON THE BATTERY SWITCH (F5) BEFORE STARTING THE UPS
5. Connect the copper earth bus, to the safety earth of the mains distribution panel.
NOTE : The earth and the neutral connections must be in accordance with the local rules.
WARNING: Note that the Input Neutral (N1) MUST also be connected to K10 terminal
2.6.1 Description of connection terminals of the UPS :
• As shown on the power connection label of the UPS, U1, V1 and W1 phase of the incoming 3 phase
supply are used as the bypass inputs under normal conditions, if there is not a separate bypass supply
(split bypass).
• If there is a separate 3- phase AC supply for bypass (Split Bypass):
a-) Remove the links between K4 – K5, K6 – K7 and K8 – K9.
b-) Connect the phases of the bypass source U2, V2 and W2 to K5, K7 and K9 respectively.
c-) Connect the Neutral (N2) of the Bypass source to K11.
Note that the Neutral of the 3 phase input supply (N1) and the Neutral of the 3-phase bypass supply (N2)
must always be connected together to form the Neutral of the AC output.
Figure 2
.
2
10-15-20-30 kVA Cable Connection
R
ectifier Inputs
(3 P+N AC)
By
-
Pass
Input
(3 P+N AC)
UPS Output
(3 P+N AC)
(+)
Battery
Group
(
-
)
Battery
Group
+
+