Pv Connection - Apex Digital APEX-E-P3-5000L User Manual

Be sure that AC power source is disconnected before a�emp�ng to wire it to the
unit.
3. Then, insert AC output wires according to polari�es indicated on the terminal block and �ghten
terminal. Be sure to connect corresponding N wires and PE wires to related terminals as well.
4. Make sure the wires are securely connected.
5. Appliances such as air condi�oner are required at least 2-3 minutes to restart because it is
required to have enough �me to balance refrigerant gas inside of circuit. If a power shortage
occurs and recovers in short �me, it will cause damage to your connected appliances. To
prevent this kind of damage, please check manufacturer of air condi�oner if it is equipped with
�me-delay func�on before installa�on. Otherwise, this inverter will trigger overload fault and
cut off output to protect your appliance but some�mes it s�ll causes internal damage to the air
condi�oner
3.5 PV Connec�on
Before connec�ng to PV modules, please install a separately DC circuit breaker between
inverter and PV modules. It is very important for system safety and efficient opera�on to
use appropriate cable for PV module connec�on. To reduce risk of injury, please use the
proper recommended cable size as below.
Model
5/6/8/10/12KW
To avoid any malfunc�on, do not connect any PV modules with possible current
leakage to the inverter. For example, grounded PV modules will cause current
leakage to the inverter. When using PV modules, please ensure the PV+ & PV-
of solar panel is not connected to the system ground bar.
It is requested to use PV junc�on box with surge protec�on. Otherwise, it will
cause damage on inverter when lightning occurs on PV modules.
Wire Size
12AWG
Chart 3-4 Cable size
- 13 -
2
Cable(mm )
4