Electrical Connection; Power Pack Connecting Terminals - Jntech JNPH3AR-S User Manual

5 Electrical Connection

After the mechanical installation of Power Pack being finished, the
electrical connection can be carried out. Following are the operation
rules that need to be followed.
Warning！
All the electrical connection must meet local electrical connection
●
standard.
Only qualified electrical personnel can perform the wiring installation
●
work.
Incorrect wiring operation may cause operating casualties or equipment
●
damage
permanently.
Ensure that there is no electricity in Output and Input side before the
●
electrical
connection.
Grounding correctly, using proper conductor and taking necessary
●
short-circuit protection to ensure the safe operation of the Power Pack.
Do not close any circuit breaker before all the electrical connections
●
being finished.

5.1 Power Pack Connecting Terminals

The input and output terminals are at the bottom of the Power Pack,
including PV INPUT terminals, AC INPUT terminals, and DC OUTPUT
terminals, as shown in the following diagram.
To solar panel
To 3 phases AC power
Figure 5-1 External connection terminals of the Power Pack
Table 5-1 Description
Terminals
PV INPUT
AC INPUT
DC OUTPUT
Description
PV array input terminals.
AC power input terminals.
DC output terminal; connect with the input side of solar
pumping inverter.
To pumping inverter