iTrust Adapt UPS 20kVA User Manual
14
Chapter 2 Installation
•
3-in 1-out, common source configuration
Note
Except for the shorted copper bar 3, all the shorted copper bars mentioned in the installation procedures are the delivery
accessories.
1. Short bA, bB and bC terminals of the single POD user terminal block using the shorted copper bar 7, short oA, oB
and oC terminals using the shorted copper bar 5, and short mA and bA terminals using the shorted copper bar 6, then
short mN and bN terminals, two oN terminals respectively using two shorted copper bars 4, as shown in Figure 2-9.
7
4
5
4
6
8
oN oN oA oB oC
mN bN mA bA mB bB mC bC
PE PE
oN oN oA oB oC
mN bN mA bA mB bB mC bC
PE PE
Figure 2-9 Shorted copper bars connection for single POD user terminal block
2. Connect the shorted copper bar 8 to one end of the shorted copper bar 7 (see Figure 2-9), and connect the live line
(input phase A) to the shorted copper bar 8.
3. Connect the live line (input phase B and input phase C), N line and PE line respectively to the user terminal block
(mB and mC terminals), shorted copper bar 4 of mN and bN terminals, and PE terminals of the single POD.
4. Connect the live line (output phase A), N line and PE line respectively to the shorted copper bar 5 of the user
terminal block, shorted copper bar 4 of two oN terminals, and PE terminals of the single POD.
5. Remove all the shorted copper bars 3 from the UPS I/O terminal block, and connect the UPS terminal block of the
single POD with the same silkprint terminal of the UPS I/O terminal block using one-to-one correspondence method.
6. As shown in Figure 2-10, you can paste the insulating film (accessory) to the shorted copper bar 10, and insert the
buckles into the corresponding holes on the shorted copper bar 10.
Shorted copper
bar 10
Buckle
Insulating film
Assembling
Completed status
Figure 2-10 Pasting the insulating film to the shorted copper bar 10
7. As shown in Figure 2-11, you can short two PE terminals of the UPS I/O terminal block using the shorted copper
bar 10 with an insulating film, and connect two screw holes of the shorted copper bar 10 to PE terminals of the single
POD.
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