Sermatec SMT-5K-TL-LV, User Manual, Page: 20 / 46

14 14
Dangerous
1) Make sure all switches are at the closed(disconnect) position before the electrical connection.
2）Only qualified installation person can implement the installation of AC and DC input cable.
2.3.2.1 Connect PV cable
Attention
It is strictly prohibited to connect positive poles( PV1+、PV2+、BAT+) and negative (PV1-、PV2-、
BAT+) reversely or incorrectly.
Otherwise it would affect normal operation, or even cause damage
and other serious consequence.
The length of the external cable to the PV side and battery side is suggested to be less than 30m.
PV array should not be connected to the grounding conductor.
The minimum insulation resistance to the ground of PV panels must exceed 34k
Ω
, there is a risk of
shock hazard if the minimum resistance requirement is not met.
STEP 1: Check and verify PV rotary switch is at the OFF position.
ON
OFF
Figure 2-14
STEP 2: Follow the requirement to cramp and connect the H4 connector to a cable which can find from
installation kits.
Crimp the H4 connector to the cable as required.
Figure 2-15