19
C
ONNECTIONS
The first wire to be connected is the protective earth wire, which is to be inserted in the terminal
marked PE. During operation the UPS must be connected to the earthing system
Connect the input and output cables to the terminal board as shown in the figure below:
Models 5-6 kVA
Models 8-10 kVA
FOR CONNECTION TO A THREE-PHASE LINE WITH NEUTRAL, CONNECT THE THREE PHASES AND THE
INPUT NEUTRAL TO “L1”, “L2”, “L3” AND “N”. MAKE SURE THAT THE SWITCH IS IN POSITION “
↑
3~”.
FOR CONNECTION TO A SINGLE-PHASE LINE, CONNECT THE LIVE AND THE INPUT NEUTRAL TO “L1”
AND “N”. SET THE SWITCH TO POSITION “
↓
1~”. TERMINALS L2 AND L3 MUST REMAIN FREE.
NOTE
1. If an "external manual bypass" is not provided, make sure that there is a jumper between terminals 1 - 2 (Switch bypass).
2. The maximum cross section of the cables that may be inserted in the terminal board 1, 2, 3 & 4 are:
- 2.5 sqmm for bare cables
- 1.5 sqmm for cables with lugs.
The stripping length is 8 mm