Installation Manual
26
7.2
Installation Tools and Spare Parts
Prepare the following tools and spare parts before installation:
Torque wrench
Screwdriver
Wire stripper
Terminal crimper
Alcohol blast burner (or hot air blower)
Allen wrench for terminal fixing
Megger and multimeter
Other auxiliary tools and spare parts
7.3
Cable Connection
Incorrect cable connection sequence may cause fires. Connect the parts in
correct order.
Ensure connection firmness. Poor connection or oxidation of the contact surface
may cause overheating and fires.
Before electrical connections, it is recommended to clean the cable connection
terminals. Do not directly touch the cleaned terminals.
Spare parts, such as the bolts, used for connecting the power cables of the inverter have
been packed in a dedicated bag before delivery. Connect the cables strictly observing the
description in this chapter.
7.4
Preparation Before Electrical Connection
7.4.1
Opening the Front Door
Before cable connections, the user needs to open the front door of the inverter. Open and
close the front door with the key. The opening steps are shown by the following figure:
After finishing the installation, remove the key and keep it properly.
7.4.2
Removing the Protective Grid
Before electrical connections, remove the protective grid installed for safety consideration
in the connection area inside the inverter.
