INVT iMars BG12KTR, Operation Manual

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iMars grid-tied solar inverters Installation
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(8) The installation should ensure that the inverter is reliably grounded, and the material of
grounded metal conductor should be consistent with the metal material reserved for the
grounding of the inverter.
z
Do not remove any part and component of the inverter unintended; otherwise
damage to the device and physical injury may occur.
4.2.3 Connection cables
The user can select connection cable according the table below:
Table 4-4 Cable specifications
Model
DC side AC side
Cross-section
(length ≤ 50m)
mm
ϡ ϡ
Cross-section
(length >50m) mm
ϡ ϡ
Mini cross-section
mm
ϡ ϡ
L N/PE
12kW /15kW / 17kW
4 6 6 4
20kW / 25kW
4 6 8 4
30kW 4 6 10 6
4.2.4 Miniature circuit breakers
It is recommended strongly to install circuit breakers or fus es at the DC input and AC output to
ensure safe installation and running.
z
In order to protect the PCE, user and installer, external DC and AC circuit
breaker shall be equipped at the end-use application;
z
The wiring shall be according local electric code. Choose proper cable for power
input and output lines. Input and output cable shall be PV private cables suitable
for outdoor use.
Table 4-5 Breakers specifications
Model
DC input AC output
Recommended DC breakers
(optional for length >100m)
Recommended AC breakers
12kW DC1000V, C32A, 2P AC400V, C25A, 4P
15kW DC1000V, C32A, 2P AC400V, C32A, 4P
17kW DC1000V, C32A, 2P AC400V, C35A, 4P
20kW DC1000V, C40A, 2P AC400V, C50A, 4P
25kW DC1000V, C40A, 2P AC400V, C63A, 4P
30kW DC1000V, C50A, 2P AC400V, C63A, 4P