8
PV Connection
CAUTION:
Before connecting to PV modules, please install
separately
a DC circuit breaker between inverter
and PV modules.
WARNING!
All wiring must be performed by a qualified personnel.
WARNING!
It's very important for system safety and efficient operation to use appropriate cable for PV
module connection. To reduce risk of injury, please use the proper recommended cable size as below.
Model
Typical Amperage
Cable Size
Torque
1KVA 24V / 2KVA 24V/
3KVA 24V
25A
12 AWG
1.2~1.6 Nm
1KVA 48V / 3KVA 48V
18A
14 AWG
1.2~1.6 Nm
2KVA 24V Plus
3KVA 24V Plus
2KVA 48V Plus
3KVA 48V Plus
4KVA / 5KVA
60A
8 AWG
1.4~1.6 Nm
PV Module Selection:
When selecting proper PV modules, please be sure to consider below parameters:
1.
Open circuit Voltage (Voc) of PV modules not exceeds max. PV array open circuit voltage of inverter.
2.
Open circuit Voltage (Voc) of PV modules should be higher than min. battery voltage.
Solar Charging Mode
INVERTER MODEL
1KVA 24V
2KVA 24V
3KVA 24V
1KVA 48V
3KVA 48V
2KVA 24V/3KVA 24V
2KVA 48V Plus/3KVA 48V Plus
4KVA / 5KVA
Max. PV Array Open Circuit Voltage
75Vdc max
102Vdc max
145Vdc
PV Array MPPT Voltage Range
30~66Vdc
60~88Vdc
60~115Vdc
Min. battery voltage for PV charge
17Vdc
34Vdc
34Vdc
Please follow below steps to implement PV module connection:
1.
Remove insulation sleeve 10 mm for positive and negative conductors.
2.
Check correct polarity of connection cable from PV modules and PV input
connectors. Then, connect positive pole (+) of connection cable to positive
pole (+) of PV input connector. Connect negative pole (-) of connection
cable to negative pole (-) of PV input connector.
3.
Make sure the wires are securely connected.
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