
HPT-15K/17K/20K/25K USER MANUAL 10
Information on grounding components:
Object
Description
1
Housing
2
Terminal lug with protective conductor
3
M6
×12 pan head screw
PE Conductor cross-section: 16
mm²
5.
COMMISSIONING
5.1 Safety Instructions
1.
Measure the frequency and voltage of grid connection and make sure they follow the
inverter’s grid connection specifications.
2.
An external circuit-breaker on the AC side (or a fuse) at 1.25*AC rated current is
strongly recommended.
3.
Reliability of all earth connections must be tested and valid.
4.
Before commissioning, disconnect the inverter and the circuit-breaker or fuse, and
prevent accidental reconnection.